Tube 6Ф6С or Röhre 6Ф6С ID18859, Vacuum Pentode, and Power/Output shown. Radio tubes are valves.

2009年5月19日 · Yes, the loadline is for SE, but since I'm staying mostly in class A, it should be equivalent with half the primary impedance. The anode-to-anode impedance of the OPT is 7.6K to one single 8 ohm winding.

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Russian pentode 6F6S. Equivalent to the 6F6G. Tube was made by famous Novosibirsk military plant in USSR. Great quality, nice sound and authentic vintage tone! "OTK" marking. Premium military grade tubes.

2014年3月9日 · From the plate graphs for 6F6 that gives about 17W plate dissipation, but the maximum specified is only 11W/tube. The 17W will be slightly lower because I did not take screen current into consideration (not given), but it is still pretty sure you are overheating the 6F6s at …

Tube 6F6 or Röhre 6F6 ID598, Vacuum Pentode, Octal (Int.Octal, IO) K8A, USA 1935 and Power/Output shown. Radio tubes are valves.

4 天之前 · Electron tube 6F6S (6Ф6С) is a pentode, which was designed for usage in terminal stages of low-frequency amplifiers. This is the older "figural" version of the 6F6S tube, which is nowadays quite scarce. It is direct replacement for the american 6F6G, but also for the VT66-A and CV1911 tubes. New in box tubes. Year of production: 1957. Tested.

The 6F6S tube – low frequency output pentode. Designed to amplify low frequency power. It is used in output single-cycle and push-pull circuits of receivers and low-frequency amplifiers. Near equivalent tube: 6F6G, 6F6. Stamp of technical control department of the manufacturer “ОТК“

2023年11月21日 · Earn up to 5x points when you use your eBay Mastercard®. Learn more. Seller assumes all responsibility for this listing. An item in excellent, new condition with no wear. The item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed. The item includes original accessories.

2013年9月2日 · I liked the 6V6s better in my Super pro 210X than the correct 6F6s but am very curious about doing a stereo SE 6F6 amp, either triode or preferably pentode.