Harman-Kardon A50K
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An integrated push-pull beam tetrode power amplifier.
Specifications
- Circuit Type: “simplified Williamson” push-pull, class AB, pentode
- Input Sensitivity: 1V PtP
- Input Impedance: 220Kohms
- Output Power: 20W per channel
- Tubes: 4 x 12AX7, 1 x 12AU7, 4 x 7355
- Power Consumption: 250W max
