WebECC99 is a capable and popular medium-mu 5W twin triode, which is reported to be very linear, Quick estimates shows that a 2-stage ecc99/6c33c amp needs over 10vPP of input signal and therefore the … Web「ecc99 真空管」関連の新品・未使用品・中古品が約8件出品中。ヤフオク!は、常時約5,000万点以上の商品数を誇る、誰でもかんたんに売り買いが楽しめるサービスです。 …
JJ-ECC99 vs. EH-12BH7 first impression - JJ Triode - Tubes Asylum
WebBase: Noval, 9 pin miniature (USA pico-9) B9A Filament: Vf 12.6 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC Description: Although according to the European standard the number series 90 ... 99 was assigned for tubes with the Miniature 7-pin base B7G, the company JJ Electronic disregarded this agreement and chose the designation … Webこちらの真空管は工場出荷時に試験済みでございます。写真は在庫の平均的なものが写っておりますので実物とは異なる場合がございます。(印字、プレート特徴等)長期に渡り保管されている場合がありますので錆や汚れが付着している場合がございます。2本以上のセットで出品の場合でも ... simultaneous bluetooth transmitter receiver
ヤフオク! -ecc99 真空管の中古品・新品・未使用品一覧
WebJan 27, 2012 · When I plug brand new ECC99 tubes, the amplifier sounds fantastic. However, after about a year or so of normal use sound changes and becomes "grainy" (meaning it is distorted). $30 spent on new tubes brings things back to normal. I have replaced driver tubes each year for three years now. Measured parameters for new JJ … WebMar 23, 2024 · The ECC99 was kind of average sounding. I'm currently using the an old stock 12BH7. The new manufacturer 12BH7's just aren't the same. I agree! I like very much TungSol black plates and early D-getter RCA 12BH7. They sound much better than any 12AU7 I've tried. Another tip: 6211 GE five-star are amazing. WebThe ECC99 is a modern twin triode. The first 9 should indicate a B7G base according to the classical naming convention but here the valve is on a B9A base. So classically it would have been an ECC89. The design use of the ECC99 is as driver for power valves or as an output valve in headphone amplifiers etc. simultaneous equations circle and linear