Harman Kardon MA-250
Not much is documented about the Harman Kardon MA-250. What the record shows comes from a single period listing in Studio Sound (April 1975, p.35). It describes a monoblock power amplifier with a level meter and a rated slew rate of 16 V/µs (dV/dT). It was a hefty unit: 41.7 kg, 48 × 22 × 41 cm (WHD), priced at £830 at the time. Power requirements were switchable for 120, 220, or 240 V AC. No further specifications, design details, or production history survive in the available sources.
- Configuration: monoblock power amplifier
- Level meter: yes
- dV/dT: 16 V/µs
- Weight: 41.7 kg
- Dimensions (WHD): 48 × 22 × 41 cm
- Price (1975): £830
- Power requirements: 120/220/240 V AC
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