[AMPS] Tubes for QRO

[Mark Hall]

Does anyone have an opinion on the Penta Labs PL-175 tube in a QRO HF
amplifier?  Mid to Late '60's I believe.  For a while Eimac copied it as
the 8295 with full military pomp and circumstance.  Metal/Glass and
Metal/Ceramic versions were available.  Both are now obsolete, but can
be had for a price.

'73


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