The Specimen Pentode Driven Single-ended 2A3 Stereo Tube Amplifier is made using the same Baltic Birch plywood as our horn speakers and can be finished to match perfectly. Presently …

2012年8月5日 · The 6C6>2A3 or equivalent pentode input/driver circuit is what I would consider a "highish" sensitivity design requiring less than 1 volt from a typical line level source e.g. CD …

2016年12月3日 · A properly scaled power amp is "normally" run wide-open. If it has to be turned down, you have too much gain in front of it. Preamp-control unit should have just enough gain …

2019年1月3日 · Congratulations, you got the amp running. In your latest schematic: Your filter cap that feeds the 300B output transformer primary is 15uF. The 300B plate resistance, rp, is 700 …

The 6C6 is a general purpose amplifier valve but the close similarities with the 6J7 indicate a good linear characteristic and good suitability for early stage audio amplification such as the output …

2018年4月8日 · Does anyone have any experience with swapping these? My amp has a switch that allows for both to be used. The 310A is so much more expensive...but I would love to …

2006年10月20日 · 有朋友做过一台三分体的300B，电源一个，左右声道各一个机壳，其中放大部分做了两款电路，使用开关进行切换，一个就是6C6推300B，另一个是高保真音响曾经的胆机 …

2024年12月19日 · The 6C6, which is a general purpose tube, detects, rather demodulates, the amplified RF signal coming from the 6D6. To get more gain and to increase selectivity from …

2018年9月20日 · I have built this amp with the changes shown in Red. It sounds very good driven with a Cary 9SLP-98 into a pair of Heathkit AS-21. I do have a couple of...

2025年1月18日 · Find many great new & used options and get the best deals for RCA type 6C6 NOS audio radio amplifier vacuum tubes 2 valve tested ST shape 6C6G at the best online …