2024年8月17日 · It has taken years but I have finally stopped trying to build OTL vacuum tube headphone amps. The big output capacitors required are not well suited to the task and …

2014年9月9日 · Bruce Heran outlines the design and construction of a low power 6DJ8 (ECC88) tube headphone amplifiers. The headamp circuit is Push-Pull and biased into Class-A …

2016年12月15日 · I'm working my way through a build of Bruce Heran's 6DJ8 headphone amp, the schematic is available on diyaudioprojects. I decided to build it because I had most of the …

2015年10月25日 · hifidiy论坛-这是我正在用着的一个前级，先发个图，这段很忙，待稍后再作些补充吧、、、1、原理图2、频率特性仿真图(可看到低频部分没有衰减反而稍微有提升，这恰好 …

A phono pre-amplifier having a gain of about 40 dB, passive RIAA equalization, two tubes, and simple circuitry. The 6DJ8 (ECC88) dual triode tube was chosen for its relatively low output …

The 6DJ8 was designed for use as a low-noise amplifier in VHF and UHF TV tuners, an improved successor to the usual 6BK7, but due to its high gain it was heavily used in high-end test …

6DJ8 / ECC88 SRPP Tube Preamplifier Schematic. This is one of many possible variations for a Symmetrical SRPP Preamplifier based around the 6DJ8 / ECC88 family of tubes. The SRPP …

2012年11月25日 · The tube headphone amplifier is designed along the lines of the Oddwatt power amplifiers with the exception that this headamp does not require a driver stage. The …

Tube Depot carries a selection of 6DJ8 / 6922 / ECC88 / E88CC / CV2492 Pre Amp Vacuum Tubes. New & NOS tubes from Electro-Harmonix & other brands!

2016年4月7日 · For heater, you need 2.5 A for 6AS7 and 0.3A for 6DJ8 so 0-9 V 5A should do the trick. To run this amp cool 7A or higher is better and you need bigger heatsink for 1083 …