Dual Twenty
| Brand | Eric |
| Manufacturer | Eric Engineering |
| Function | Amplifier, Integrated |
| Produced | 1960 |
| Country | United States |
| Form Factor | Standard Width |
| Power Output | 20W |
| THD | 1% |
| MSRP (1960) | $99.95 |
| Channels | 2 Channel |
| Brand | Eric |
| Manufacturer | Eric Engineering |
| Function | Amplifier, Integrated |
| Produced | 1960 |
| Country | United States |
| Form Factor | Standard Width |
| Power Output | 20W |
| THD | 1% |
| MSRP (1960) | $99.95 |
| Channels | 2 Channel |