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6J6 / ECC91 Audio Tubes - www.thetubestore.com
https://www.thetubestore.com/6j6-ecc91
Replaces 6J6A or ECC91 types. Rarely used today, but found in the revised version of the Vincent SP331MK hybrid amplifier to replace the Chinese 6N15 tubes.
Ge ECC91 Tubes Triode Radio 6j6a - Tubesocketvintagego
https://tubesocketvintagego.com/ecc91
Review (mpn: ECC91 for sale) Tubes Triode Radio Nos GE ECC91 - Tested 6J6A Fully 6x Vinta GE 6j6. Shipping handling all items will be carefully packed and shipped USPS or FedEx. Here are the test results triode a, triode b 50, 92 50, 93 50, 91 50, 95 50, 92 50, the test results have been written on the inside of the box lid.
ECC91 @ The Valve Museum
http://www.r-type.org/exhib/aaa0012.htm
ECC91. Mullard describe the ECC91 as a double triode with a common cathode for use as an RF power amplifier or oscillator. They further state that an output power of 1 Watt may be obtained from an ECC91 in a push pull oscillator at 250 MHz. This would involve an anode voltage of 150 Volts and a common grid resistor of 2000 Ohms.
Military Sleeve of 5 General Electric 6J6A / ECC91 …
https://reverb.com/item/14787373-military-sleeve-of-5-general-electric-6j6a-ecc91-vintage-audio-tubes-bangybang-tubes
Military Sleeve of 5 General Electric 6J6A / ECC91 Vintage Audio Tubes - BangyBang Tubes. $25. Free Shipping. 1. 10 in stock.
ECC 91, Tube ECC91; Röhre ECC 91 ID3395, Double Triode
https://www.radiomuseum.org/tubes/tube_ecc91.html
Tube ECC 91 or Röhre ECC91 ID3395, Double Triode, Miniatur-7-Pin-Base B7G, USA 1940 and VHF shown. Radio tubes are valves.
ECC-91(¿µ¹®)
https://www.info-instruments.com/media/pdf/MXN91C.pdf
Audio Output Power DC 12V In ut Ground B. Run the cable from the camera to the monitor. (4) (4) (4) (4) A. Attach the supplied mounting bracket to the vehicle. Adjust the angle of the camera and fasten the screws firmly. CONNECTION Align the»marks and press the connectors together. Screw the "a" up clockwise in order to prevent water
Mark Kelly's Balanced Phono Preamp
http://www.nutshellhifi.com/mkelly/
If you use the ECC91 cascode front end you will have great difficulty direct coupling - I suggest you abandon it and use RC coupling instead. Use the biggest and best coupling capacitor you can afford and a high value grid resistor - 1 megohm for preference. ... including the one I wrote myself for Glass Audio magazine nearly ten years ago. In ...
ecc91+4P1S电子管 推挽胆机实验_haoDIY_音响电子电脑科技DIY …
http://haodiy.net/a/jishuwenzhang/danjiDIY/houjiDIY/2013/0126/5721_all.html
ecc91+4P1S电子管 推挽胆机实验. 4p1sp-p-1.jpg (266.71 KB) 4p1sp-p-2.jpg (205.47 KB) 4p1sp-p-3.jpg (229.54 KB) 4p1sp-p-4.jpg (353.23 KB) 又开始玩 全频 了，总希望有一个比较有特色的小 胆机 来推。. 4P1S 单端 的音色使人印象深刻，只是功率还嫌小了一点，这次用4P1S做推挽试试。. 输出 ...
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