3S4 Philco and Raytheon NOS same build 1940”s – 1951 (1 Pair)

1 pair) 3S4 Philco and Raytheon NOS same build

1 tube) 67/38 Raytheon

1 tube) 63/38 Philco by Sylvania

– Bottlehead Quickie preamp 2010-2013
– WWII Walkie Talkie
– Analog Squared TU-5