09-21-2025, 08:55 AM
With the Isotap having switchable voltages in 5V steps, I’m curious why you would need to add a variac to it? The Isotap is one compact unit that does both without taking up much bench space!
Ron
Ron
Bendix 0626. RCA T64 Philco 20B
Philco 41-250. Philco49-500
GE 201. Philco 39-25
Motorola 61X13. Philco 46-420 Crosley 52TQ
Philco 37-116. Philco 70
AK 35 Philco 46-350
Philco 620B. Zenith Transoceanic B-600
Philco 60B. Majestic 50
Philco 52-944. AK 84




