I got one given to me sans tubes. Looks like they take 8908 tubes and I can't find them. Can these be swapped for more common tubes?
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Palomar 200 base amp
- Thread starter demco satelite
- Start date
Not easily. The tube sockets will have to be changed more than likely. The 8908 uses an octal socket. Not many other suitable tubes built with that style base.
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Cb tricks shows it using 8908, YouTube videos show it using 8950s. I don't know what to belive. Oh well, as I got it free so no money lost.
Believe what you see. Each production run will use whatever tube the factory could buy cheapest in bulk. The socket reveals which one your amplifier takes. The 8908 has an 'octal' socket with eight fat pins. The 8950 has 12 much-skinnier pins. You'll need whatever tube fits the sockets in your unit.
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I contacted the guy I got it from and he said it used 6lf6 or 6kd6 tubes. He would know as he used to use it until the keying circuit went out. He then removed and sold the tubes.
Ok I just looked inside and it has written 6lf6 by the sockets and they are the narrow pin sockets. Good deal. Then I can use the tubes I have. Just need to fix the keying circuit.