Specyfikacja amplitunera Dual CR 1780:
Tuning range: FM, MW
Power output: 80 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 60kHz
Total harmonic distortion: 0.04%
Input sensitivity: 1.5mV (MM), 150mV (line)
Signal to noise ratio: 65dB (MM), 85dB (line)
Channel separation: 55dB (line)
Output: 320mV (line), 10mV (DIN)
Speaker load impedance: 4Ω (minimum)