The 6C4 triode valve was specified as both an amplifier and an RF power valve. In the latter role it would deliver 5.5 Watts in class C operation. With a very small envelope volume, this would make it ideal for hand portable equipment. In larger apparatus it could deliver enough drive power for much larger PA's.

Tube 6C4 or Röhre 6C4 ID2842, Triode, vacuum, Miniatur-7-Pin-Base B7G, USA 1940 and Universal shown. Radio tubes are valves.

Improved 6C4 FM Receiver. The "One Tube FM Tuner" described in Popular Electronics, August 1960 is about the simplest valve receiver for reception of the 88-108Mc/s FM broadcast band. However after constructing it, I was less than impressed.

2018年1月19日 · I'm about to start restoring a Pilotone aa-903 mono integrated amp that uses a 6c4 tube between the preamp and the power amp. It's an integrated, so it uses one 12ax7 for the phono stage, one 12ax7 for the line stage, then it's the 6c4 in between the preamp tubes and the 12au7 driver tube that feeds the 6v6 output tubes.

The 6C4 triode was specified as both an amplifier and an RF power valve. In the latter role it would deliver 5.5 Watts. With a very small electrode size in a small envelope volume, this would make it ideal for hand portable equipment.

2009年1月31日 · The 6C4 is used to mix Channel 1 and Channel 2. The 6C4 is a bit of an unusual tube. The common tubes we normally see like 12AX7, 12AT7, and 12AU7 each have two matching triodes. The 6C4 only has one triode, and it is very similar to the sections in a 12AU7.

2024年12月26日 · I've been wondering how many of these 6888, and 6888-alternates and non-6888 type AM Broadcasters we've designed and built over the years. And, more importantly, where are the schematics for them? Is there a collected list of the good, better and best home-brew AM Transmitters?

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Miniature tube used in smaller receivers as a local oscillator in FM and other high- frequency circuits. It may also be used as a class C rf amplifier. In class C service it delivers a power output of 5.5 watts at HF, and 2.5 watts at 150 MHz (VHF). Might be used as a QRP power osc.

Solid, rugged version of the 6C4 vacuum tube. Excellent option for vintage audio receivers and tuners, as well as Conrad Johnson preamps that use M8080 tubes. Made in USA by Phillips. This miniature 7 pin small signal triode tube features ribbed plates, ample top flash gettering, clean construction features overall.