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.
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.
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.
0A2/6073 NOS
Voltage regulator tube at +150V. 0A2WA is the shock resistant version.
$7.50
$7.00
$5.00
12AU7A NOS
We have various brands in stock. Please also see our 12AU7 section for complete list of other brands or types we stock.
$18.00
$5.50
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.
$11.50
12B4 NOS
TRIODE, LOW MU
TV vertical deflection triode, excellent for audio application.
$6.50
12BH7A US NOS
US made 12BH7A, perfect for driver stage such as those on McIntosh Amplifiers.
12BH7A US NOS Matched Pair
TRIODE, DUAL MEDIUM MU
Price is for a matched pair of US NOS brand 12BH7A.
$4.50
12BY7A NOS
Used on Harmon Kardon Citation II amplifier. Various brands in stock. Replaces 12BV7
$15.50
$4.00
12DQ6B / 12GW6 NOS
Improved 12DQ6, excellent for use in audio/transmitter output stage.
$4.00
12DT8 NOS
Dual triode. RCA manual states that this is a 12AT7 with pin 9 connected to shield between the triodes.
$7.75
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.
$4.00
$7.50
$4.00
$8.00
$5.00
$10.00
$7.00
$5.00
$5.00
$5.00
$8.00
$21.00
$12.00
25L6 NOS
Audio output tube. Various NOS brands in stock. Repalces 25W6 as well. 25L6, 25L6GT
$6.50
$5.00
$17.50
$5.00
$13.00
35LR6 NOS
Horizontal sweep tube. Excellent for use in output power stage.
$8.50
3Q5GT NOS
TETRODE, BEAM POWER
Often used as audio output power in battery powered radio.
$5.50
$10.00
$4.00
50C5 NOS
Pentode used for output stage of compact audio receivers. Excellent for use in audio and even QRP transmitters.
$10.00
$6.00
$7.00
$7.00
5687 JAN NOS
Medium-mu high reliability double triode tubes. Excellent as a preamp or driver in audiophile application. 5687WB
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.
$11.00
$26.00
5751 JAN NOS
One of the top choices in guitar amp. Also does very well in audiophile application.
$37.00
$70.00
$10.00
$14.00
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.
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.
$20.00
12AU7/5814A NOS US Made Matching Pair
Price is for a matching pair of regular US made 5814A .
$44.00
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.
$21.50
$7.00
12AU7/5963 NOS
Originally designed for computer switching applications, 5963 is a low cost alternative to NOS 12AU7.
12AU7/5963 NOS Matched Pair
Price is for a matching pair of 12AU7/5963 tube.
$8.00
5C22/6279 NOS
THYRATRON, HYDROGEN
Please let us know on your application when ordering this tube.
$280.00
5EA8/5GH8A NOS
Triode-Pentode combination tube. Other than the filament volatge, identical to 6GH8A.
$6.00
$42.00
5U4GB / 5AS4A USED
RECTIFIER, FULL WAVE
Used 5U4GB tubes that test like new.
5V6GT NOS
This is a 5V heater version of 6V6GT. Would make an inexpensive substitute for 6V6GT if heater circuit is matched.
$95.00
$25.00
$20.00
$44.00
$55.00
$60.00
6414 NOS
TRIODE, DUAL
Used as driver tubes in Manley tube amps, great tube for DIYer's.
$14.50
$5.00
$20.00
6973 NOS
BEAM POWER AMPLIFIER
NOS 6973 is now very scarce. Also see 6973EH for current production replacement.
$65.00
$6.00
$8.00
$8.00
$10.00
$5.00
$6.00
$21.00
$5.00
$8.00
$4.00
$9.50
$6.00
$5.50
$5.00
$5.00
$5.00
$12.50
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.
$29.00
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.
$6.00
$19.00
$22.00
$7.00
$4.00
6AS6/5725 NOS
PENTODE, DUAL CONTROL RF
Replaces 6AS6 and 5725 types.
6AS7 NOS
TRIODE, DUAL
Originally used as a regulator tube in power supply, and in projection tv booster scanning applications. These tubes are excellent for use in OTL amplifier output stage.
$13.00
$5.00
6AT6 / 6BK6 / EBC90 NOS
DIODE, DUAL - TRIODE
.
Various NOS brands in stock. Used on Tweed Fender Harvard 5F10 amp.
$5.00
$4.00
$5.00
$6.00
$6.00
$8.00
$8.00
$7.00
$7.00
$4.00
$5.00
$8.00
$5.00
$6.00
$9.00
$10.00
$6.00
$4.00
$5.00
$5.00
$5.00
6BE6 NOS
HEPTODE
Replaces 6BE6 types.
Also see 7036 NOS for higher reliability version.
$8.00
$4.00
$12.00
$7.00
$50.00
$4.00
$5.00
$12.50
$7.00
$10.00
$4.00
$5.00
$10.00
$4.00
$6.00
$4.00
$7.00
$5.00
$6.00
$5.00
$6.00
$9.00
$8.00
$4.50
$4.00
$8.00
6CG7/6FQ7 NOS
TRIODE, DUAL
US Made 6CG7/6FQ7 NOS tubes. Brands vary.
$10.00
$12.50
$5.00
$15.00
$10.00
$6.00
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.
$13.50
$13.00
$36.00
6EW7 NOS
TRIODE, DISSMILAR DOUBLE
Asymmetrical double triode, often producing excellent results in DIY audio circuits. Various brands in stock.
$15.00
$7.50
$7.00
$18.00
$8.00
$11.00
$7.00
$6.00
$7.00
$5.00
$9.00
$10.00
6J5 NOS Metal
TRIODE, MEIDUM MU
Great for vintage guitar amps and Altec gears.
$5.00
$7.00
$5.00
$6.00
$10.00
$4.00
$40.00
$6.00
$5.00
$8.00
$8.00
$7.00
$8.00
$7.00
$8.00
$5.00
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.
6SC7 GTY NOS
High-Mu Twin Triode. These are the glass (6SC7GTY) version. Actual tube may vary from the picture.
$4.50
6SJ7 NOS
Militar version of metal 6SJ7. Perfect for your vintage amplifier.
$15.00
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.
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.
6T4 NOS
Miniature triode used as an oscillator in UHF television applications. Substitutes 6AN4, 6AF4, 6DX4.
$4.00
6U8A/6AX8/6KD8 NOS
Replaces any 6U8 / 6AX8 / 6KD8 / ECF82 May come from bulk pack with no marking.
$6.50
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.
5871 NOS Matched Pair
TETRODE, BEAM POWER
5871 is a military lower noise version of 6V6GT. US or Canadian brands.
$5.00
$5.50
$10.00
6X5GT / EZ35 NOS
Twin diode rectifier tube. Various brand NOS tubes in stock. 6X5GT, 6X5WGT
$7.00
$60.00
$6.00
$45.00
$38.00
$5.50
$15.00
$65.00
$4.50
7N7 NOS
Basically a compactron version of 6SN7GT. Excellent triode matching, better construction and characteristics. A good inexpensive alternative.
$22.00
$35.00
811 NOS
Power Triode. Thoriated-tungsten-filament. AF power output as well as RF power and oscillator application. Replaces 811, 811A, VT217.
$25.00
$4.50
Clamp, 1-3/8" Diameter
Form mounting 1-3/8" can capacitors. Supplied with #6-32 screw and nut.
$2.00
Clamp, 1-1/2" Diameter
Form mounting 1-1/2" can capacitors. Supplied with #6-32 screw and nut.
$2.75
$0.56
$0.56
$0.56
$0.56
$0.56
$0.56
$0.95
$0.98
$1.26
$1.30
$1.82
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.
$4.50
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.
$8.00
4pin Bayonet Gold Socket for 845, 211
4pin gold socket, bayonet style for 845 and 211 tubes.
$12.50
8pin Phenolic
8pin Socket with black Phenolic base. 3-5 days to ship
8pin Socket Micalex
8pin Socket with Brown Micalex. Socket hole is 1-3/16" minimum. Mounting hole center to center is 1-9/16".
$4.50
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.
$2.75
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.
$7.50
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.
$5.00
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.
$4.50
9pin ceramic with shield
9pin ceramic chassis mount socket with aluminium shield assembly.
9pin phenolic with steel shield
9pin phenolic chassis mount socket with steel shield assembly.
$6.75
9pin Ceramic
Chassis mount 9 pin cermaic socket with a bracket. For tubes like 12AX7, etc.
$2.00
9pin Belton
9 pin miniature Belton socket. 1 1/8" mounting centers, fits 3/4" chassis hole.
$4.75
9pin Ceramic Gold Plated
Chassis mount 9 pin cermaic socket with gold plated pins and bracket. Very high quality. For tubes like 12AX7, etc.
$4.00
$6.50
9pin tube shield, Aluminim
Aluminium Shield assembly for 9pin sockets. Does not include a socket and can be installed on regular 9pin socket.
$2.00
$10.00
$3.00
$2.00
$2.00
$2.00
$2.00
- 12AT7 / ECC81
- 12AU7 / ECC82
- 12AV7 / 5965
- 12AX7 / ECC83 / 7025
- 12AY7 / 6072
- 12BH7
- 2C51 / 5670 / 6n3p
- 5751
- 6CG7 / 6FQ7
- 6DJ8 / ECC88 / 6922
- 6SL7 / VT229 / 5691
- 6SN7 / VT231 / 5692
- EF86 / 6267
- Other Preamp Tubes
- Tube Sets for Fender Amps
- 6550
- 6BM8 / 6GW8 / 14GW8
- 6L6 / 5881
- 6V6
- 7591A / 7868
- EL34 / 6CA7 / KT77
- EL84 / 6BQ5 / SV83
- KT66
- KT88 / KT90 / KT120
- 2A3 / 300B / 811 / 572
- Other Power Tubes
- Rectifier Tubes
- Sub-miniatures
- Tubes By Number->
- Capacitors->
- Sockets
- Transformers
- Amps and Accessories
- DIY Parts
- Specials! Specials!
- Archive
