VARIAC, INPUT: 115 VOLTS. VARIABLE AC TRANSFORMER TRANSFORM FROM 0 TO 130 VOLTS.

General Radio - Variac Variable Autotransformer for Tube Guitar Amp Vintage

variac variable transformer used

NOS Vintage STACO ENERGY PRODUCTS 251 Variac Variable AutoTransformer Panel

Standard Electric Variac Model 7932

Superior Variac Electric Powerstat 10B Variable Autotransformer

Variac 1 amp varible transformer

Vintage General Radio Company Variac Untested