| Country: United States of America (USA) | Manufacturer/Brand: Electro-Voice Inc.; USA |
| Year: 1956 ? | Type: Audio Amplifier |
| Valves / Tubes | 8: 12AX7 12AX7 12AX7 12BH7 6V6GT 6V6GT 5Y3GT 5Y3GT |
|---|
| Principle | Audio-Amplification |
|---|---|
| Wave bands | - without |
| Power type and voltage | Alternating Current supply (AC) / 117 Volt |
| from Radiomuseum.org | Model: A20C Circlotron Amplifier |
| Material | Metal case, TUBES VISIBLE |
| Notes | 20W audio amplifier using the patented Circlotron out stage. Frequency response 20 to 20000Hz within 1dB. |
This model was suggested by Emilio Ciardiello.
All listed radios etc. from Electro-Voice Inc.; USA
Here you find 64 models, 51 with images and 7 with schematics.