Tube Amp Archive

The engineers at SBE - who took over the "Orange Drops" told me that they are randomly oriented. The idea is to have the outer foil connect to the low impedance side of the circuit, thus - contrary to Gerald Weber's recommendation - the outer foil would go to the plate of say a 12AX7 (~62K//100K) in...

Hi, I was talking to someone who used to "hang" with Aspen. He volunteered the following: the tubes are made in a Chinese factory. The claim that they are mostly (ninety-whatever percent) made in the USA is based entirely on relative cost. As with the 6L6B, imported from the Reflector Factory in Rus...