Vacuum Tubes for Audio, Music and Radio from BOI AudioWorks
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We are back. Orders placed Sep 4-13 are being shipped.
Thank you for your patience.

Various


Various

6C33C-B

This tube is famous for being used in Mig jet fighters. The Wall was broken down, and now we have abundant access to this wonderful unique tube.

Sold out - Please inquire
6C33C-B

Various

Electrolytic 220uF/350V Axial

Low leakage. 1" dia. x 2.25" length. United Chemicon 85C

Out of stock. We recommend 220uF/300V by F&T.

Sold out - Please inquire
Electrolytic 220uF/350V  Axial

Various

Musicap 0.47uF 600V

.59" dia x 2.00" long.

Sold out - Please inquire
Musicap 0.47uF 600V

NOS OFFERINGS

The following is NOS and vintage tubes in this category. Due to the scarcity of some items, inventory will change constantly, so please check back often. Be sure to check out our NOS terms.

The photos of NOS tubes are representative samples and actual NOS tube shipped may vary. "Various" means we have multiple brands in stock.


Various

0A2/6073 NOS

Voltage regulator tube at +150V. 0A2WA is the shock resistant version.

In stock
0A2/6073 NOS Buy Now $7.50

Various

0A3 NOS

Voltage regulator at +75V. Various NOS brands in stock.

Sold out - Please inquire
0A3 NOS

Various

0B2 NOS

VOLTAGE REGULATOR, DIODE, GLOW-DISCHARGE

In stock
0B2 NOS Buy Now $7.00

Various

0G3/85A2 NOS

VOLTAGE REGULATOR

In stock
0G3/85A2 NOS Buy Now $5.00

Various

12AE6A NOS

DIODE, DUAL - TRIODE

Sold out - Please inquire
12AE6A NOS

Various

12AF6 NOS

PENTODE

Sold out - Please inquire
12AF6 NOS

Various

12AT6 NOS

12AT6A or HBC90.

Sold out - Please inquire
12AT6 NOS

Various

12AU7A NOS

We have various brands in stock. Please also see our 12AU7 section for complete list of other brands or types we stock.

In stock
12AU7A NOS Buy Now $18.00

Various

12AV6 NOS

Various 12AV6 NOS in stock.

In stock
12AV6 NOS Buy Now $5.50

Various

12AV7 NOS

Lower mu than 12AX7, 12AT7 or 12AY7, this is the tube to try in your guitar amp if you want even cleaner headroom.

Sold out - Please inquire
12AV7 NOS

Various

12AY7/6072 NOS

TRIODE, DUAL

Sold out - Please inquire
12AY7/6072 NOS

Various

12AZ7 NOS

As used on McIntosh amps. Various brands in stock.

In stock
12AZ7 NOS Buy Now $11.50

Various

12B4 NOS

TRIODE, LOW MU
TV vertical deflection triode, excellent for audio application.

In stock
12B4 NOS Buy Now $6.50

Various

12BH7A US NOS

US made 12BH7A, perfect for driver stage such as those on McIntosh Amplifiers.

Sold out - Please inquire
12BH7A US NOS

Various

12BH7A US NOS Matched Pair

TRIODE, DUAL MEDIUM MU
Price is for a matched pair of US NOS brand 12BH7A.

Sold out - Please inquire
12BH7A US NOS Matched Pair

Various

12BQ6 NOS

12BQ6GTB/12CU6 NOS tubes

In stock
12BQ6 NOS Buy Now $4.50

Various

12BY7A NOS

Used on Harmon Kardon Citation II amplifier. Various brands in stock. Replaces 12BV7

In stock
12BY7A NOS Buy Now $15.50

Various

12CR6 NOS

PENTODE

In stock
12CR6 NOS Buy Now $4.00

Various

12DQ6A NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
12DQ6A NOS

Various

12DQ6A USED

BEAM POWER AMPLIFIER

Sold out - Please inquire
12DQ6A USED

Various

12DQ6B / 12GW6 NOS

Improved 12DQ6, excellent for use in audio/transmitter output stage.

Sold out - Please inquire
12DQ6B / 12GW6 NOS

Various

12DT5 NOS

PENTODE, BEAM POWER

In stock
12DT5 NOS Buy Now $4.00

Various

12DT8 NOS

Dual triode. RCA manual states that this is a 12AT7 with pin 9 connected to shield between the triodes.

In stock
12DT8 NOS Buy Now $7.75

Various

12DW7/7247 NOS

Quite a decent audio voltage amplifier Used in Dynaco ST-35 as a driver tube. It's a half of 12AX7 and a half of 12AU7 in one tube, to perform voltage amplification and phase splitting duty. Very limited NOS stock.

Sold out - Please inquire
12DW7/7247 NOS

Various

12HE7 NOS

DIODE - PENTODE

In stock
12HE7 NOS Buy Now $4.00

Various

12GN7A/12HG7 NOS

Various 12GN7A/12HG7 NOS in stock.

In stock
12GN7A/12HG7 NOS Buy Now $7.50

Various

12HL7 NOS

Varous 12HL7 NOS in stock.

In stock
12HL7 NOS Buy Now $4.00

Various

12JT6 NOS

BEAM POWER AMPLIFIER

In stock
12JT6 NOS Buy Now $8.00

Various

12L6 NOS

Audio output tube. Various NOS brands in stock.

In stock
12L6 NOS Buy Now $5.00

Various

12SN7 NOS

TRIODE, DUAL MEDIUM MU

In stock
12SN7 NOS Buy Now $10.00

Various

1635 NOS

TRIODE, DUAL

In stock
1635 NOS Buy Now $7.00

Various

16GY5 NOS

PENTODE, BEAM

In stock
16GY5 NOS Buy Now $5.00

Various

17BR3 / 17RK19 NOS

DIODE, DAMPER

In stock
17BR3 / 17RK19 NOS Buy Now $5.00

Various

17Z3 / PY81 NOS

RECTIFIER

In stock
17Z3 / PY81 NOS Buy Now $5.00

Various

1AN5 / DF97 NOS

PENTODE

In stock
1AN5 / DF97 NOS Buy Now $8.00

Various

1T4 / DF91 NOS

PENTODE, REMOTE CUT OFF

Sold out - Please inquire
1T4 / DF91 NOS

Various

1T6 NOS

PENTODE

Sold out - Please inquire
1T6 NOS

Various

2050/2050A GT NOS

THYRATRON

In stock
2050/2050A GT NOS Buy Now $21.00

Various

25CD6 NOS

25CD6 NOS by various manufacturers in stock.

In stock
25CD6 NOS Buy Now $12.00

Various

25L6 NOS

Audio output tube. Various NOS brands in stock. Repalces 25W6 as well. 25L6, 25L6GT

Sold out - Please inquire
25L6 NOS

Various

26DQ5 NOS

BEAM POWER TUBE

In stock
26DQ5 NOS Buy Now $5.00

Various

2G21 NOS

TRIODE - HEPTODE, SUBMINIATURE

In stock
2G21 NOS Buy Now $17.50

Various

31AL10 NOS

TV compactron with a pentode and two triodes.

In stock
31AL10 NOS Buy Now $5.00

Various

33GY7A NOS

DIODE - PENTODE

In stock
33GY7A NOS Buy Now $13.00

Various

35LR6 NOS

Horizontal sweep tube. Excellent for use in output power stage.

Sold out - Please inquire
35LR6 NOS

Various

35W4 NOS

Half wave rectifier. Various brands in stock.

In stock
35W4 NOS Buy Now $8.50

Various

3Q5GT NOS

TETRODE, BEAM POWER
Often used as audio output power in battery powered radio.

In stock
3Q5GT NOS Buy Now $5.50

Various

4409 NOS

PHOTOCELL

In stock
4409 NOS Buy Now $10.00

Various

4CB6/4DE6 NOS

Various 4CB6/4DE6 NOS in stock.

In stock
4CB6/4DE6 NOS Buy Now $4.00

Various

50BM8 NOS

TRIODE - PENTODE

Sold out - Please inquire
50BM8 NOS

Various

50C5 NOS

Pentode used for output stage of compact audio receivers. Excellent for use in audio and even QRP transmitters.

Sold out - Please inquire
50C5 NOS

Various

50EH5 NOS

Various brands in stock.

Sold out - Please inquire
50EH5 NOS

Various

50L6 NOS

Audio output tube. 50L6GT Made in Holland

In stock
50L6 NOS Buy Now $10.00

Various

5651A NOS

VOLTAGE REFERENCE

In stock
5651A NOS Buy Now $6.00

Various

5670/2C51 NOS

Various 5670 in stock. TRIODE, DUAL

In stock
5670/2C51 NOS Buy Now $7.00

Various

5678 NOS

PENTODE
Sub-miniature shielded pentode.

In stock
5678 NOS Buy Now $7.00

Various

5687 JAN NOS

Medium-mu high reliability double triode tubes. Excellent as a preamp or driver in audiophile application. 5687WB

In stock
5687 JAN NOS Buy Now $27.00

Various

5691 NOS Brown Base

Brown base 5691. Tung-Sol made, re-branded by Richardson Electric as National brand. 5691 is a high quality long-life version of 6SL7.

Sold out - Please inquire
5691 NOS Brown Base

Various

5703WB NOS

TRIODE, SUBMINIATURE

In stock
5703WB NOS Buy Now $11.00

Various

5703WB NOS Matched Pair

TRIODE, SUBMINIATURE
Price is for a matched pair(2 tubes)

In stock
5703WB NOS Matched Pair Buy Now $26.00

Various

5751 JAN NOS

One of the top choices in guitar amp. Also does very well in audiophile application.

In stock
5751 JAN NOS Buy Now $38.00

Various

5751 JAN NOS Matched Pair

Price is for a matched pair of 5751 JAN NOS.

In stock
5751 JAN NOS Matched Pair Buy Now $80.00

Various

5755 NOS

TRIODE, DUAL
Electrically equivalent to WE420A.

In stock
5755 NOS Buy Now $10.00

Various

5763 NOS

TETRODE, BEAM POWER

In stock
5763 NOS Buy Now $14.00

Various

12AU7/5814A NOS Black Plate

TRIODE, DUAL
These are rare and excellent sounding ribbed black plate version of 5814A. It may have 2 or 3 micas. Sorry, no RCA.

Sold out - Please inquire
12AU7/5814A NOS Black Plate

Various

12AU7/5814A NOS US Made

TRIODE, DUAL
This is the most common double mica, long grey plate version of 5814A. JAN or commercial Sylvania or Philips ECG.

In stock
12AU7/5814A NOS US Made Buy Now $20.00

Various

12AU7/5814A NOS US Made Matching Pair

Price is for a matching pair of regular US made 5814A .

In stock
12AU7/5814A NOS US Made Matching Pair Buy Now $44.00

Various

12AU7/5814A NOS US Triple Mica

TRIODE, DUAL
This is the less common, triple mica, long grey plate version of 5814A. JAN or commercial Sylvania or GE or Philips ECG.

In stock
12AU7/5814A NOS US Triple Mica Buy Now $21.50

Various

5933/807W USED

TETRODE, BEAM POWER -- USED

In stock
5933/807W USED Buy Now $7.00

Various

12AU7/5963 NOS

Originally designed for computer switching applications, 5963 is a low cost alternative to NOS 12AU7.

Sold out - Please inquire
12AU7/5963 NOS

Various

12AU7/5963 NOS Matched Pair

Price is for a matching pair of 12AU7/5963 tube.

Sold out - Please inquire
12AU7/5963 NOS Matched Pair

Various

5965 NOS

TRIODE, DUAL
Equivalent to 12AV7. Comes in white box.

In stock
5965 NOS Buy Now $8.00

Various

5AZ4 NOS

Full wave rectifier. Comparable to 5Y3.

Sold out - Please inquire
5AZ4 NOS

Various

5C22/6279 NOS

THYRATRON, HYDROGEN
Please let us know on your application when ordering this tube.

In stock
5C22/6279 NOS Buy Now $280.00

Various

5EA8/5GH8A NOS

Triode-Pentode combination tube. Other than the filament volatge, identical to 6GH8A.

In stock
5EA8/5GH8A NOS Buy Now $6.00

Various

5R4GYB NOS

RECTIFIER, FULL WAVE
Various brands in stock.

Sold out - Please inquire
5R4GYB NOS

Various

5U4GB NOS

RECTIFIER, FULL WAVE

In stock
5U4GB NOS Buy Now $42.00

Various

5U4GB / 5AS4A USED

RECTIFIER, FULL WAVE
Used 5U4GB tubes that test like new.

Sold out - Please inquire
5U4GB / 5AS4A USED

Various

5V4GA NOS

RECTIFIER, FULL WAVE

Sold out - Please inquire
5V4GA NOS

Various

5V6GT NOS

This is a 5V heater version of 6V6GT. Would make an inexpensive substitute for 6V6GT if heater circuit is matched.

Sold out - Please inquire
5V6GT NOS

Various

5Y3 NOS

RECTIFIER, FULL WAVE

Sold out - Please inquire
5Y3 NOS

Various

6012 NOS

THYRATRON, GAS TETRODE

In stock
6012 NOS Buy Now $95.00

Various

6112 NOS

TRIODE, DUAL SUBMINIATURE

In stock
6112 NOS Buy Now $25.00

Various

6146 NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
6146 NOS

Various

6146B NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
6146B NOS

Various

12AU7/6189 NOS

Similar to CV4003, military grade 12AU7.

In stock
12AU7/6189 NOS Buy Now $20.00

Various

12AU7/6189 NOS Matched Pair

Price is for a matched pair of 12AU7/6189 NOS tube.

In stock
12AU7/6189 NOS Matched Pair Buy Now $44.00

Various

6227/E80L NOS

PENTODE

In stock
6227/E80L NOS Buy Now $55.00

Various

6336A NOS

TRIODE, DUAL, LOW MU

In stock
6336A NOS Buy Now $60.00

Various

6336B NOS

TRIODE, DUAL, LOW MU

Sold out - Please inquire
6336B NOS

Various

6414 NOS

TRIODE, DUAL
Used as driver tubes in Manley tube amps, great tube for DIYer's.

In stock
6414 NOS Buy Now $13.00

Various

6677 NOS

PENTODE

In stock
6677 NOS Buy Now $5.00

Various

6953 NOS

PHOTOCELL

In stock
6953 NOS Buy Now $20.00

Various

6973 NOS

BEAM POWER AMPLIFIER
NOS 6973 is now very scarce. Also see 6973EH for current production replacement.

In stock
6973 NOS Buy Now $65.00

Various

6AB4/EC92 NOS

HF TRIODE.
Replaces 6AB4, EC92 tubes.

In stock
6AB4/EC92 NOS Buy Now $6.00

Various

6AB7/1853 NOS

PENTODE, REMOTE CUTOFF, RF
Replaces 6AB4/EC92 tubes.

In stock
6AB7/1853 NOS Buy Now $8.00

Various

6AC10 NOS

TRIODE, TRIPLE
Replaces 6AC10 tubes.

In stock
6AC10 NOS Buy Now $8.00

Various

6AC5GT NOS

TRIODE, POWER AMPLIFIER
Replaces 6AC5GT types.

Sold out - Please inquire
6AC5GT NOS

Various

6AD10 NOS

PENTODE, DISSIMILAR DOUBLE
Replaces 6AD10 types.

In stock
6AD10 NOS Buy Now $10.00

Various

6AF3 NOS

DIODE, DAMPER
Replaces 6AF3 types.

In stock
6AF3 NOS Buy Now $5.00

Various

6AF4/6DZ4 NOS

TRIODE, UHF, OSCILLATOR
Replaces 6AF4 types.

In stock
6AF4/6DZ4 NOS Buy Now $6.00

Various

6AF6/6AD6 NOS

INDICATOR
Replaces 6AF6/6AD6 types.

In stock
6AF6/6AD6 NOS Buy Now $21.00

Various

6AG5 NOS

PENTODE, SHARP CUTOFF
Replaces 6AG5 types.

In stock
6AG5 NOS Buy Now $5.00

Various

6AG7/6AK7 NOS

PENTODE, POWER
Replaces 6AG7 types.

In stock
6AG7/6AK7 NOS Buy Now $8.00

Various

6AH4GT NOS

An excellent inexpensive triode in audio application.

Sold out - Please inquire
6AH4GT NOS

Various

6AH6 NOS

PENTODE, SHARP CUTOFF
Replaces 6AH6 types.

In stock
6AH6 NOS Buy Now $4.00

Various

6AJ8/ECH81 NOS

TRIODE - HEPTODE
Replaces 6AJ8, ECH81 types.

In stock
6AJ8/ECH81 NOS Buy Now $9.50

Various

6AK5/5654 NOS

PENTODE, SHARP CUT-OFF
Replaces 6AK5, 5654 types.

Sold out - Please inquire
6AK5/5654 NOS

Various

6AK6 NOS

PENTODE
Replaces 6AK6 type.

In stock
6AK6 NOS Buy Now $6.00

Various

6AL5/5726 NOS

DIODE, DUAL
Replaces 6AL5 types.

In stock
6AL5/5726 NOS Buy Now $5.50

Various

6AM4 NOS

TRIODE
Various brands in stock.

In stock
6AM4 NOS Buy Now $5.00

Various

6AM6/EF91 NOS

PENTODE, SHARP CUT-OFF
Replaces 6AM6/EF91 types

In stock
6AM6/EF91 NOS Buy Now $5.00

Various

6AM8 NOS

DIODE - PENTODE
Replaces 6AM8 types.

In stock
6AM8 NOS Buy Now $5.00

Various

6AN8 / 6AN8A NOS

MEDIUM MU TRIODE - SHARP CUTOFF PENTODE.
Various brands in stock.

In stock
6AN8 / 6AN8A NOS Buy Now $12.50

Various

6AN8 NOS Matched Pair

MEDIUM MU TRIODE - SHARP CUTOFF PENTODE.
Price is for a matching pair (2 tubes) of 6AN8/6AN8A. Various brands in stock.

In stock
6AN8 NOS Matched Pair Buy Now $29.00

Various

6AQ5/6HG5/6005/6669 NOS

TETRODE, BEAM POWER
6AQ5 is identical to 6V6 in electrical characteristic except for lower rating. Replaces 6005 6HG5 6669 also.

Sold out - Please inquire
6AQ5/6HG5/6005/6669 NOS

Various

6AQ6 NOS

DIODE, DUAL - TRIODE
Replaces 6AQ6 types.

Sold out - Please inquire
6AQ6 NOS

Various

6AQ7GT NOS

DIODE, DUAL - TRIODE
Replaces 6AQ7 types.

In stock
6AQ7GT NOS Buy Now $6.00

Various

6AQ8 / ECC85 NOS

6AQ5 / ECC85 NOS

In stock
6AQ8 / ECC85 NOS Buy Now $19.00

Various

6AR6 NOS

TETRODE, BEAM POWER
Replaces 6AR6 types.

In stock
6AR6 NOS Buy Now $22.00

Various

6AS11 NOS

TRIODE, DISSIMILAR DOUBLE - PENTODE
Replaces 6AS11 types.

In stock
6AS11 NOS Buy Now $7.00

Various

6AS5 NOS

TETRODE, BEAM POWER
Replaces 6AS5 types.

In stock
6AS5 NOS Buy Now $4.00

Various

6AS6/5725 NOS

PENTODE, DUAL CONTROL RF
Replaces 6AS6 and 5725 types.

Sold out - Please inquire
6AS6/5725 NOS

Various

6AS8 NOS

DIODE - PENTODE, SHARP-CUTOFF, RF
Replaces 6AS8.

In stock
6AS8 NOS Buy Now $5.00

Various

6AT6 / 6BK6 / EBC90 NOS

DIODE, DUAL - TRIODE
. Various NOS brands in stock. Used on Tweed Fender Harvard 5F10 amp.

In stock
6AT6 / 6BK6 / EBC90 NOS Buy Now $5.00

Various

6AT8 NOS

TRIODE - PENTODE
Replaces 6AT8 types.

In stock
6AT8 NOS Buy Now $5.00

Various

6T8A NOS

TRIODE - DIODE, TRIPLE

In stock
6T8A NOS Buy Now $4.00

Various

6AU4GTA NOS

DIODE, DAMPER
Replaces 6AU4 type.

In stock
6AU4GTA NOS Buy Now $6.00

Various

6AU5GT NOS

TETRODE, BEAM POWER
Replaces 6AU5 types.

In stock
6AU5GT NOS Buy Now $6.00

Various

6AU6 / 6136 / EF94 NOS

PENTODE, SHARP CUTOFF
Replaces 6AU6A, 6136 or EF94 types.

In stock
6AU6 / 6136 / EF94 NOS Buy Now $8.00

Various

6AU8A/6BH8 NOS

TRIODE - PENTODE
Replaces 6AU8A, 6BH8 types.

In stock
6AU8A/6BH8 NOS Buy Now $8.00

Various

6AV5GA NOS

TETRODE, BEAM POWER
Replaces 6AV5GA types.

In stock
6AV5GA NOS Buy Now $7.00

Various

6AV5GT NOS

TETRODE, BEAM POWER
Replaces 6AV5GT types.

Sold out - Please inquire
6AV5GT NOS

Various

6AV6/EBC91 NOS

DIODE, DUAL - TRIODE
Replaces 6AV6 types.

Sold out - Please inquire
6AV6/EBC91 NOS

Various

6AW8A NOS

TRIODE - PENTODE

In stock
6AW8A NOS Buy Now $7.00

Various

6AX3 NOS

DIODE, DAMPER
Replaces 6AX3 types.

In stock
6AX3 NOS Buy Now $4.00

Various

6AX4 NOS

DIODE, DAMPER
Replaces 6AX4 types.

In stock
6AX4 NOS Buy Now $5.00

Various

6AX5GT NOS

RECTIFIER, FULL WAVE
Replaces 6AX5 types

In stock
6AX5GT NOS Buy Now $8.00

Various

6AY3/6BS3 NOS

DIODE, DAMPER
Replaces 6AY3, 6BS3 types

In stock
6AY3/6BS3 NOS Buy Now $5.00

Various

6B10 NOS

DIODE, DUAL - TRIODE, DUAL
Replaces 6B10 types.

In stock
6B10 NOS Buy Now $6.00

Various

6B8 NOS

DIODE, DUAL- PENTODE
Replaces 6B8 types.

Sold out - Please inquire
6B8 NOS

Various

6BA6/5749/EF93 NOS

PENTODE, REMOTE CUT-OFF
Replaces 6BA6 types.

In stock
6BA6/5749/EF93 NOS Buy Now $9.00

Various

6BA7 NOS

HEPTODE
Replaces 6BA7 types.

In stock
6BA7 NOS Buy Now $10.00

Various

6BA8 NOS

HEPTODE
Replaces 6BA8 types.

In stock
6BA8 NOS Buy Now $6.00

Various

6BC5/6CE5 NOS

PENTODE, SHARP CUT-OFF
Replaces 6BC5, 6CE5 types.

In stock
6BC5/6CE5 NOS Buy Now $4.00

Various

6BC7 NOS

DIODE, TRIPLE
Replaces 6BC7 types.

In stock
6BC7 NOS Buy Now $5.00

Various

6BC8 NOS

TRIODE, DUAL
Replaces 6BC8 types.

In stock
6BC8 NOS Buy Now $5.00

Various

6BD6 NOS

PENTODE, REMOTE CUT OFF
Replaces 6BD6 types.

In stock
6BD6 NOS Buy Now $5.00

Various

6BE6 NOS

HEPTODE
Replaces 6BE6 types. Also see 7036 NOS for higher reliability version.

In stock
6BE6 NOS Buy Now $8.00

Various

6BF5 NOS

TETRODE, BEAM POWER
Replaces 6BF5 types.

Sold out - Please inquire
6BF5 NOS

Various

6BF6 NOS

DIODE, DUAL - TRIODE
Replaces 6BF6 types.

In stock
6BF6 NOS Buy Now $4.00

Various

6BG6 NOS

BEAM POWER AMPLIFIER
Replaces 6BG6 types.

In stock
6BG6 NOS Buy Now $12.00

Various

6BH11 NOS

TRIODE, DUAL - PENTODE
Replaces 6BH11 types.

In stock
6BH11 NOS Buy Now $7.00

Various

6BH6 NOS

PENTODE, SHARP CUT-OFF

Sold out - Please inquire
6BH6 NOS

Various

6BJ6 NOS

PENTODE, REMOTE CUT-OFF

Sold out - Please inquire
6BJ6 NOS

Various

6BK4C NOS

TRIODE, SHARP CUTOFF BEAM

In stock
6BK4C NOS Buy Now $50.00

Various

6BK5 NOS

TETRODE, TRANSMITTING

In stock
6BK5 NOS Buy Now $4.00

Various

6BK7 NOS

TRIODE, DUAL, HF

In stock
6BK7 NOS Buy Now $5.00

Various

6BL7 NOS

TRIODE, DUAL, MEDIUM MU

In stock
6BL7 NOS Buy Now $12.50

Various

6BL8/ECF80 NOS

TRIODE - PENTODE

Sold out - Please inquire
6BL8/ECF80 NOS

Various

6BM8/ECL82 NOS

TRIODE - PENTODE, POWER

Sold out - Please inquire
6BM8/ECL82 NOS

Various

6BN11 NOS

PENTODE, DUAL

In stock
6BN11 NOS Buy Now $10.00

Various

6BN4 NOS

TRIODE, HF

In stock
6BN4 NOS Buy Now $4.00

Various

6BN6/6KS6 NOS

DISCRIMINATOR, GATED BEAM

In stock
6BN6/6KS6 NOS Buy Now $5.00

Various

6BN8 NOS

DIODE, DUAL - TRIODE

In stock
6BN8 NOS Buy Now $10.00

Various

6BQ6/6CU6 NOS

BEAM POWER AMPLIFIER

In stock
6BQ6/6CU6 NOS Buy Now $4.00

Various

6BQ7A NOS Set of 5

TRIODE, DUAL
Price is for a set of 5 tubes.

Sold out - Please inquire
6BQ7A NOS Set of 5

Various

6BR8A NOS

TRIODE, PENTODE

In stock
6BR8A NOS Buy Now $6.00

Various

6BS8A NOS

TRIODE, DUAL

Sold out - Please inquire
6BS8A NOS

Various

6BU8 NOS

PENTODE, DUAL

In stock
6BU8 NOS Buy Now $4.00

Various

6BV11 NOS

PENTODE, DUAL

In stock
6BV11 NOS Buy Now $7.00

Various

6BW4 NOS

RECTIFIER, FULL WAVE

Sold out - Please inquire
6BW4 NOS

Various

6BW8 NOS

PENTODE

In stock
6BW8 NOS Buy Now $5.00

Various

6BX7 NOS

TRIODE, DUAL

Sold out - Please inquire
6BX7 NOS

Various

6BY6 NOS

HEPTODE

In stock
6BY6 NOS Buy Now $6.00

Various

6BY8 NOS

PENTODE

In stock
6BY8 NOS Buy Now $5.00

Various

6BZ6/6JH6 NOS

PENTODE, SEMI REMOTE CUT OFF

In stock
6BZ6/6JH6 NOS Buy Now $6.00

Various

6C10 NOS

US made (various brand) NOS 6C10 tubes for Super Champs and Ampegs. Limited quanity.

Sold out - Please inquire
6C10 NOS

Various

6C4 NOS

TRIODE, MEDIUM-MU

In stock
6C4 NOS Buy Now $9.00

Various

6C4WA JAN NOS

TRIODE, MEDIUM MU
Military version of 6C4. Replaces EC90, 6135.

In stock
6C4WA JAN NOS Buy Now $8.00

Various

6CA5/6EH5 NOS

Various NOS brands in stock.

In stock
6CA5/6EH5 NOS Buy Now $4.50

Various

6CB5A NOS

Various brands in stock.

Sold out - Please inquire
6CB5A NOS

Various

6CB6A/6CF6 NOS

PENTODE, SHARP CUT OFF

In stock
6CB6A/6CF6 NOS Buy Now $4.00

Various

6CD6 NOS

Various NOS 6CD6GA, 6EX6 in stock.

In stock
6CD6 NOS Buy Now $8.00

Various

6CG7/6FQ7 NOS

TRIODE, DUAL
US Made 6CG7/6FQ7 NOS tubes. Brands vary.

Sold out - Please inquire
6CG7/6FQ7 NOS

Various

6CK4 NOS

TRIODE

Sold out - Please inquire
6CK4 NOS

Various

6CL6 NOS

PENTODE, POWER

In stock
6CL6 NOS Buy Now $10.00

Various

6CM6 NOS

TETRODE, BEAM POWER

In stock
6CM6 NOS Buy Now $12.50

Various

6DA4 NOS

NOS 6DA4/6DM4 in stock.

Sold out - Please inquire
6DA4 NOS

Various

6DA5/EM81 NOS

INDICATOR, ELECTRON RAY
Magic eye.

Sold out - Please inquire
6DA5/EM81 NOS

Various

6DE6 NOS

PENTODE

In stock
6DE6 NOS Buy Now $5.00

Various

6DL5/EL95 NOS

Replaces 6DL5/EL95 types.

Sold out - Please inquire
6DL5/EL95 NOS

Various

6DQ5 NOS

TETRODE, BEAM POWER
Replaces 6DQ5 types.

In stock
6DQ5 NOS Buy Now $15.00

Various

6EB8 / 6GN8 NOS

TRIODE - PENTODE

Sold out - Please inquire
6EB8 / 6GN8 NOS

Various

6EF4 / 6EJ4A NOS

TRIODE, BEAM

In stock
6EF4 / 6EJ4A NOS Buy Now $10.00

Various

6EJ7 NOS

PENTODE, SHARP CUT-OFF

In stock
6EJ7 NOS Buy Now $6.00

Various

6EM7/6EA7 NOS

6EM7 contains two disimilar triodes and are great for audio amplifiers. Unit 1 makes an excellent signal amplifier, while triode unit 2 is and excellent output triode with 10W Plate dissipation. When you order in multiples of two, we'll ship you pairs with matching exterior and unit 2 sections. Please note that the markings and brands may not always match.

Sold out - Please inquire
6EM7/6EA7 NOS

Various

6ES8 NOS

TRIODE, DUAL, REMOTE CUT OFF

In stock
6ES8 NOS Buy Now $13.00

Various

6EU7 NOS

TRIODE, DUAL, HIGH-MU

In stock
6EU7 NOS Buy Now $36.00

Various

6EW6 NOS

PENTODE, SHARP CUT OFF RF

Sold out - Please inquire
6EW6 NOS

Various

6EW7 NOS

TRIODE, DISSMILAR DOUBLE
Asymmetrical double triode, often producing excellent results in DIY audio circuits. Various brands in stock.

In stock
6EW7 NOS Buy Now $15.00

Various

6FG6 / EM84 NOS

INDICATOR, TUNING

Sold out - Please inquire
6FG6 / EM84 NOS

Various

6GH8A NOS

TRIODE - PENTODE
Substitutes 6AN8 but with different pinout.

In stock
6GH8A NOS Buy Now $7.50

Various

6GM6 NOS

PENTODE, SEMI REMOTE CUT OFF

In stock
6GM6 NOS Buy Now $7.00

Various

6GT5 NOS

BEAM POWER AMPLIFIER

In stock
6GT5 NOS Buy Now $18.00

Various

6GU7 NOS

TRIODE, DUAL, MEDIUM MU

In stock
6GU7 NOS Buy Now $8.00

Various

6GW6 / 6DQ6B NOS

Improved 6DQ6.

In stock
6GW6 / 6DQ6B NOS Buy Now $11.00

Various

6GW8 / ECL86 NOS

TRIODE - PENTODE, POWER

Sold out - Please inquire
6GW8 / ECL86 NOS

Various

6GY5 NOS

BEAM POWER AMPLIFIER

In stock
6GY5 NOS Buy Now $7.00

Various

6GY6 / 6GX6 NOS

PENTODE, DUAL CONTROL

In stock
6GY6 / 6GX6 NOS Buy Now $6.00

Various

6HA5 / 6HM5 / 6HQ6 / EC900 NOS

TRIODE, HI MU

In stock
6HA5 / 6HM5 / 6HQ6 / EC900 NOS Buy Now $7.00

Various

6HB5 NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
6HB5 NOS

Various

6HG8 / ECF86 NOS

TRIODE - PENTODE

In stock
6HG8 / ECF86 NOS Buy Now $5.00

Various

6HS5 / 6HV5A NOS

TRIODE, BEAM

In stock
6HS5 / 6HV5A NOS Buy Now $9.00

Various

6J10 / 6Z10 NOS

GATED DISCRIMINATOR

In stock
6J10 / 6Z10 NOS Buy Now $10.00

Various

6J5 NOS Metal

TRIODE, MEIDUM MU
Great for vintage guitar amps and Altec gears.

Sold out - Please inquire
6J5 NOS Metal

Various

6J6A / ECC91 NOS

TRIODE, DUAL MEDIUM MU

In stock
6J6A / ECC91 NOS Buy Now $5.00

Various

6J7 NOS

PENTODE, SHARP CUT OFF

Sold out - Please inquire
6J7 NOS

Various

6JB6 NOS

Beam power pentode. Various brands in stock.

Sold out - Please inquire
6JB6 NOS

Various

6JC6A NOS

PENTODE, SHARP CUT OFF

In stock
6JC6A NOS Buy Now $7.00

Various

6JD6 NOS

PENTODE, SHARP CUT OFF

In stock
6JD6 NOS Buy Now $5.00

Various

6JH6 NOS

PENTODE, SEMI REMOTE CUT OFF
6BZ6 is compatible also.

In stock
6JH6 NOS Buy Now $6.00

Various

6JH8 NOS

DOUBLE PLATE BEAM

Sold out - Please inquire
6JH8 NOS

Various

6JM6 NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
6JM6 NOS

Various

6JN8 NOS

TRIODE, PENTODE

Sold out - Please inquire
6JN8 NOS

Various

6JQ6 NOS

PENTODE, BEAM

In stock
6JQ6 NOS Buy Now $4.00

Various

6JS6B NOS

Replaces 6JS6 type tubes. Various brands in stock.

In stock
6JS6B NOS Buy Now $40.00

Various

6JS6C NOS

Replaces any 6JS6 type tubes. Various brands in stock.

Sold out - Please inquire
6JS6C NOS

Various

6JT8 / 6KR8 / 6LB8 NOS

TRIODE - PENTODE

In stock
6JT8 / 6KR8 / 6LB8 NOS Buy Now $7.00

Various

6JU8 NOS

DIODE, QUADRUPLE

In stock
6JU8 NOS Buy Now $6.00

Various

6JV8 NOS

TRIODE - PENTODE

In stock
6JV8 NOS Buy Now $5.00

Various

6JW8 / ECF802 NOS

TRIODE - PENTODE

In stock
6JW8 / ECF802 NOS Buy Now $8.00

Various

6JZ8 NOS

TRIODE - PENTODE

In stock
6JZ8 NOS Buy Now $8.00

Various

6K11/6Q11 NOS

6K11/6Q11 - TRIODE, TRIPLE
Replaces 6K11/6Q11.

Sold out - Please inquire
6K11/6Q11 NOS

Various

6K6GT NOS

Various NOS brands in stock.

In stock
6K6GT NOS Buy Now $7.00

Various

6KR8 NOS

TRIODE - PENTODE

Sold out - Please inquire
6KR8 NOS

Various

6KT6 NOS

PENTODE, SEMI REMOTE CUT OFF

In stock
6KT6 NOS Buy Now $8.00

Various

6KZ8 NOS

TRIODE - PENTODE

In stock
6KZ8 NOS Buy Now $7.00

Various

6LN8/LCF80 NOS

TRIODE - PENTODE

In stock
6LN8/LCF80 NOS Buy Now $8.00

Various

6ME8 NOS

Various NOS brands in stock.

In stock
6ME8 NOS Buy Now $5.00

Various

6SA7GT NOS

Various NOS brands in stock.

Sold out - Please inquire
6SA7GT NOS

Various

6SC7 NOS

High-Mu Twin Triode. Metal can. Military version may be marked VT105. Used as phase inverter or voltage amplifier. The triodes are independent except for common cathode.

Sold out - Please inquire
6SC7 NOS

Various

6SC7 GTY NOS

High-Mu Twin Triode. These are the glass (6SC7GTY) version. Actual tube may vary from the picture.

Sold out - Please inquire
6SC7 GTY NOS

Various

6SH7 NOS

PENTODE, SHARP CUTOFF, RF
Tube may not have logo.

In stock
6SH7 NOS Buy Now $4.50

Various

6SJ7 NOS

Militar version of metal 6SJ7. Perfect for your vintage amplifier.

Sold out - Please inquire
6SJ7 NOS

Various

6SL7GT NOS

TRIODE, DUAL
Replaces any 6SL7 type tube.

Sold out - Please inquire
6SL7GT NOS

Various

6SL7GT USED

TRIODE, DUAL
Replaces any 6SL7 type tube.

In stock
6SL7GT USED Buy Now $15.00

Various

6SN7GTA/GTB NOS

We have a limited number of NOS 6SN7GTA/GTB. These are the earlier 6SN7 with octal base, not the later coin base version. GTA and GTB are basically the same. GTB's usually have side getters instead of the top, and were produced from 1960-1970's. Picture is a typical representation.

Sold out - Please inquire
6SN7GTA/GTB NOS

Various

6SN7WGT/GTA/GTB USED

We have used 6SN7 WGT/GTA/GTB by various US manufacturer. These tubes are used but tested to be in good condition. Photo is a typical representation.

Sold out - Please inquire
6SN7WGT/GTA/GTB  USED

Various

6SQ7 NOS

Various NOS brands in stock.

Sold out - Please inquire
6SQ7 NOS

Various

6T4 NOS

Miniature triode used as an oscillator in UHF television applications. Substitutes 6AN4, 6AF4, 6DX4.

In stock
6T4 NOS Buy Now $4.00

Various

6U8A/6AX8/6KD8 NOS

Replaces any 6U8 / 6AX8 / 6KD8 / ECF82 May come from bulk pack with no marking.

In stock
6U8A/6AX8/6KD8 NOS Buy Now $6.50

Various

6V6GT/G US NOS Mathced Pair

TETRODE, BEAM
We found a stash of US made 6V6GT/G which has been in storage since 1959!

These have black smoked glass with black plates. Some are marked PHILIPS, some have no brand at all. But these are otherwise identical to Sylvania VT-107 from the same era.

Price is for a matching pair.

Sold out - Please inquire
6V6GT/G US NOS Mathced Pair

Various

5871 NOS Matched Pair

TETRODE, BEAM POWER
5871 is a military lower noise version of 6V6GT. US or Canadian brands.

Sold out - Please inquire
5871 NOS Matched Pair

Various

6W4GT NOS

DAMPER, DIODE

In stock
6W4GT NOS Buy Now $5.00

Various

6W6GT / 6DG6 NOS

BEAM POWER AMPLIFIER

In stock
6W6GT / 6DG6 NOS Buy Now $5.50

Various

6X4 NOS

Replaces any 6X4.

In stock
6X4 NOS Buy Now $10.00

Various

6X5GT / EZ35 NOS

Twin diode rectifier tube. Various brand NOS tubes in stock. 6X5GT, 6X5WGT

Sold out - Please inquire
6X5GT / EZ35 NOS

Various

6Y6G / GA NOS

Beam tetrode audio power tube.

In stock
6Y6G / GA NOS Buy Now $7.00

Various

6Y9 / EFL200 NOS

PENTODE, DISSIMILAR DOUBLE

Sold out - Please inquire
6Y9 / EFL200 NOS

Various

7027A NOS

TETRODE, BEAM POWER
Inquire about matched pairs.

In stock
7027A NOS Buy Now $60.00

Various

7055 NOS

DIODE, DUAL

In stock
7055 NOS Buy Now $6.00

Various

7189 NOS

PENTODE, BEAM

Sold out - Please inquire
7189 NOS

Various

7199 NOS

TRIODE - PENTODE

Sold out - Please inquire
7199 NOS

Various

7360 NOS

DOUBLE PLATE BEAM

In stock
7360 NOS Buy Now $45.00

Various

7581A NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
7581A NOS

Various

7586 NOS

TRIODE, MEDIUM MU

In stock
7586 NOS Buy Now $38.00

Various

7717 NOS

TETRODE, SHARP CUTOFF RF

In stock
7717 NOS Buy Now $5.50

Various

7737 NOS

PENTODE, RF

In stock
7737 NOS Buy Now $15.00

Various

7868 NOS

PENTODE, BEAM POWER AMPLIFIER
American made NOS

In stock
7868 NOS Buy Now $65.00

Various

7868 USED

PENTODE, BEAM POWER AMPLIFIER
American made USED

Sold out - Please inquire
7868 USED

Various

7AU7 NOS

TRIODE, DUAL

In stock
7AU7 NOS Buy Now $4.50

Various

7N7 NOS

Basically a compactron version of 6SN7GT. Excellent triode matching, better construction and characteristics. A good inexpensive alternative.

Sold out - Please inquire
7N7 NOS

Various

8032A/6883B/8662 NOS

BEAM POWER AMPLIFIER

Sold out - Please inquire
8032A/6883B/8662 NOS

Various

8068 USED

PENTODE, BEAM --USED

In stock
8068 USED Buy Now $35.00

Various

811 NOS

Power Triode. Thoriated-tungsten-filament. AF power output as well as RF power and oscillator application. Replaces 811, 811A, VT217.

Sold out - Please inquire
811 NOS

Various

826 NOS

Ken-Rad 826 NOS

Sold out - Please inquire
826 NOS

Various

8334 NOS

Very rare hi-mu miniature triode. Equivalent to 1218A.

Sold out - Please inquire
8334 NOS

Various

836 NOS

Half-Wave Rectifier for transmitting and industrial equipment.

In stock
836 NOS Buy Now $25.00

Various

8CS7 NOS

Various brands in stock.

In stock
8CS7 NOS Buy Now $4.50

Various

Clamp, 1-3/8" Diameter

Form mounting 1-3/8" can capacitors. Supplied with #6-32 screw and nut.

In stock
Clamp, 1-3/8" Diameter Buy Now $2.00

Various

Clamp, 1-1/2" Diameter

Form mounting 1-1/2" can capacitors. Supplied with #6-32 screw and nut.

In stock
Clamp, 1-1/2" Diameter Buy Now $2.75

Various

Silver Mica 10pF/500V

10pF/500V Silver Mica capacitor.

In stock
Silver Mica   10pF/500V Buy Now $0.56

Various

Silver Mica 22pF/500V

22pF/500V Silver Mica capacitor.

In stock
Silver Mica   22pF/500V Buy Now $0.56

Various

Silver Mica 33pF/500V

33pF/500V Silver Mica capacitor.

In stock
Silver Mica   33pF/500V Buy Now $0.56

Various

Silver Mica 47pF/500V

47pF/500V Silver Mica capacitor.

In stock
Silver Mica 47pF/500V Buy Now $0.56

Various

Silver Mica 100pF/500V

100pF/500V Silver Mica capacitor.

In stock
Silver Mica 100pF/500V Buy Now $0.56

Various

Silver Mica 120pF/500V

120pF/500V Silver Mica capacitor.

In stock
Silver Mica 120pF/500V Buy Now $0.56

Various

Silver Mica 220pF/500V

220pF/500V Silver Mica capacitor.

In stock
Silver Mica 220pF/500V Buy Now $0.95

Various

Silver Mica 250pF/500V

250pF/500V Silver Mica capacitor.

In stock
Silver Mica 250pF/500V Buy Now $0.98

Various

Silver Mica 390pF/500V

390pF/500V Silver Mica capacitor.

In stock
Silver Mica 390pF/500V Buy Now $1.26

Various

Silver Mica 500pF/500V

500pF/500V Silver Mica capacitor.

In stock
Silver Mica 500pF/500V Buy Now $1.30

Various

Silver Mica 1000pF/500V

1000pF/500V Silver Mica capacitor.

In stock
Silver Mica 1000pF/500V Buy Now $1.82

Various

4pin Ceramic

4pin white ceramic base socket. Bottom mount only. Requires 1-1/3" hold for tube base to go through the chassis. 1-3/4" mounting centers. Fits tubes like 2A3, 300B, 811.

In stock
4pin Ceramic Buy Now $4.50

Various

4pin Ceramic Gold Plated

Same as our 4pin white ceramic socket but with gold plated plugs and terminals. Just that last piece needed to make your DIY SET amp look perfect. Fits tubes like 2A3, 300B, 811.

In stock
4pin Ceramic Gold Plated Buy Now $6.80

Various

4pin Bayonet Gold Socket for 845, 211

4pin gold socket, bayonet style for 845 and 211 tubes.

In stock
4pin Bayonet Gold Socket for 845, 211 Buy Now $12.50

Various

8pin Phenolic

8pin Socket with black Phenolic base. 3-5 days to ship

Sold out - Please inquire
8pin Phenolic

Various

8pin Socket Micalex

8pin Socket with Brown Micalex. Socket hole is 1-3/16" minimum. Mounting hole center to center is 1-9/16".

In stock
8pin Socket Micalex Buy Now $4.50

Various

8pin Ceramic

8pin Socket with white ceramic base. Ring mount, can be mounted on top or bottom of chassis. 1-7/16" mounting centers, fits in 1-1/16" to 1-1/4" hole.

In stock
8pin Ceramic Buy Now $2.75

Various

8pin Ceramic High Quality

8pin Socket with ivory ceramic base. Lower height with long lasting plugs that grabs the tube pins. Ring mount, can be mounted on top or bottom of chassis. 1-7/16" mounting centers, fits in 1-1/16" hole.

In stock
8pin Ceramic High Quality Buy Now $7.50

Various

8pin Bracketed

8pin Socket with white ceramic base with a bracket. Installed on top of the chassis, the hole needs to be 7/8" to 1". Mounting holes are 1.5" center to center.

In stock
8pin Bracketed Buy Now $5.00

Various

8pin Ceramic Gold Plated

8pin Socket with white ceramic base. Ring mount, can be mounted on top or bottom of chassis. Excellent quality with gold plated pins and ring. We use these sockets to burn-in.

In stock
8pin Ceramic Gold Plated Buy Now $4.50

Various

9pin ceramic with shield

9pin ceramic chassis mount socket with aluminium shield assembly.

Sold out - Please inquire
9pin ceramic with shield

Various

9pin phenolic with steel shield

9pin phenolic chassis mount socket with steel shield assembly.

In stock
9pin phenolic with steel shield Buy Now $6.75

Various

9pin Ceramic

Chassis mount 9 pin cermaic socket with a bracket. For tubes like 12AX7, etc.

In stock
9pin Ceramic Buy Now $2.00

Various

9pin Belton

9 pin miniature Belton socket. 1 1/8" mounting centers, fits 3/4" chassis hole.

In stock
9pin Belton Buy Now $4.75

Various

9pin Ceramic Gold Plated

Chassis mount 9 pin cermaic socket with gold plated pins and bracket. Very high quality. For tubes like 12AX7, etc.

In stock
9pin Ceramic Gold Plated Buy Now $4.00

Various

9pin Ceramic Magnoval

9pin ceramic socket for 6Pi45C / EL519, 7868.

In stock
9pin Ceramic Magnoval Buy Now $6.50

Various

9pin tube shield, Aluminim

Aluminium Shield assembly for 9pin sockets. Does not include a socket and can be installed on regular 9pin socket.

In stock
9pin tube shield, Aluminim Buy Now $2.00

Various

4pin Ceramic Base

4pin base. Made of heavy ceramic.

In stock
4pin Ceramic Base Buy Now $10.00

Various

8pin Octal Base

8pin base. As used by Eelctro-Harmonix.

In stock
8pin Octal Base Buy Now $3.00

Various

Retainer, EL34, 5881, 6L6GC

Retainer clip for EL34, 5881, 6L6GC type.

In stock
Retainer, EL34, 5881, 6L6GC Buy Now $2.00

Various

Retainer, KT88 and 6550

Retainer clip for KT88 and 6550.

In stock
Retainer, KT88 and 6550 Buy Now $2.00

Various

Retainer, EL84

Retainer clip for EL84. Mounts on top of a socket.

In stock
Retainer, EL84 Buy Now $2.00

Various

Matching Fee

This is an additional fee for selecting conductance matched tubes.

In stock
Matching Fee Buy Now $2.00
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