2006年7月12日 · Anyone with exp in this 811A tube in PP for an audio amplifier? Gotham Audio Corp made one to use as a record cutting amp that is a little tricky to build but sounds very …

2017年2月11日 · Look for the Altec 1570B for a good example of a PP 811A amplifier. The 1570B does 165Watts with some headroom. You could do 100 watts if you want to be somewhat to …

某オークションで811Aを手に入れてから、2A3PPを解体し使っていたトランス他パーツをもとに自作の道を進みましたが、シャーシー加工も面倒で、惚れ惚れするほど配線技術を持ち合 …

2002年12月26日 · I have made lots of 811A PP amps, nothing comes even close. You get more than 100 watts with less than 600 volts. The 811A's last much longer than any other tube.

2016年12月21日 · FU---811的极限运用参数：阳极电压1.25KV，屏流125mA，阳极耗散功率40w，只要不超过最大屏耗，玩玩高压还是有可能有惊喜的！ 神蛋虽寿，犹有尽时，这是你我 …

Here is a swap meet find - a full wave bridge rectifier capable of handling a couple thousand volts. The transformer requires 55 MFD of capacitance to deliver its rated voltage / amperage with …

出力管808と811Aのグリッドバイアスの違いは、 EL34のプレート電圧で調整します。 今回は欲張らず控え目にして、 出力管のIpはそれぞれ90mA強に抑えていますが、 Egは808で32V …

2008年12月18日 · It is a three stage power amp based on Nobu Shishido 811A design with some changes regarding the voltage amplification stage. At the moment I m testing the driver stage …

2014年10月1日 · As with most transmitting triodes (3C24, 808, 811), you will need to operate them in Class A2 mode (meaning the grid is always positive). Search around his site... he has …

2022年3月14日 · In particular when I built my Starlight CD player and he helped me out with the DAC ladder resistor matching. See you on the other side Jon. The last year of the pandemic …