Excellent sounding 12AX7 from SED (ex-Svetlana) people with Winged-C logo. The filaments are not spiraled, which means it may pick up too much hum in amps with AC filament circuit. Most recent audio amps have DC filament so this is not a problem.
Shipped as OEM original output tubes on many high-end amplifiers, SED6550C is the top choice for audiophile application with crisp top end and deep full bottom end response. On guitar and bass amps, SED6550C provides rich, clean, rull power with plenty of headroom. Price is for a matched pair.
Price is for a matched quad.
Price is for a matched sextet (six tubes).
6L6GC-WC by S.E.D. used to be sold as Svetlana brand. It has a tone that closely resembles Sylvania 6L6, and has an excellent construction. Price is for a matched pair.
Price is for a matched quad of S.E.D. (ex-Svetlana) 6L6GC.
Price is for a matched sextet (6 tubes) of S.E.D. (ex-Svetlana) 6L6GC.
These SED6550C-WC tubes measure with plate current beyond our standards. Many amps do not have enough bias adjustment to use these tubes properly.
We are offering these tubes for DIYer or those who have necessary skills to modify bias circuitry. The price reflects over 20% discount!
Carries standard 90 day warranty. Price is for a single tube. Limited stock.
Note: Do not use these tubes if you do not know how to make necessary modification/adjustments to your amp.
More headroom, very nice dynamics, good bass response. Excellent for audiophile application as well as bass amp. Price is for a?@matched pair.
Price is for a matching quad of SED EL34.
Used by McIntosh in their legendary MC2000 tube amp, SED KT88 is the top choice for audiophile application. The SED KT88 provides smooth mids, warmth and clarity with full bass response. Very well constructed excellent KT88. Price is for a matching pair.
Price is for a matched quad (set of 4 tubes) of SED KT88.
Price is for a matched sextet (set of 6 tubes) of SED KT88.
- 12AT7 / ECC81
- 12AU7 / ECC82
- 12AV7 / 5965
- 12AX7 / ECC83 / 7025
- 12AY7 / 6072
- 2C51 / 5670 / 6n3p
- 6CG7 / 6FQ7
- 6DJ8 / ECC88 / 6922
- 6SL7 / VT229 / 5691
- 6SN7 / VT231 / 5692
- EF86 / 6267
- Other Preamp Tubes
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- 6BM8 / 6GW8 / 14GW8
- 6L6 / 5881
- 7591A / 7868
- EL34 / 6CA7 / KT77
- EL84 / 6BQ5 / SV83
- KT88 / KT90 / KT120
- 2A3 / 300B / 811 / 572
- Other Power Tubes
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- Specials! Specials!