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Electrical characteristics (Tamb=25°)
Audio amplifier(USE Panasonic VP-7723A Audio Analyzor. )
Spec.
Item Audio Input Freq.
Min. Typ. Max.
Comment
Input Voltage(V) - 0.5Vm
s
-
Input Current(m A) - 500 800
Audio Voltage Gain 500m Vrms 1KHz - - 6 d B Volume Max.,load 4 Ω
Frequency Response 500m Vrms 300Hz-20KH
z
-10dB - +10d B Volume Max.,load 4 Ω
Signal to Noise ratio 500m Vrms 1KHz - - -40dB Volume Max.,load 4 Ω
Total harmonic distortion 500m Vrms 1KHz 1% except speakers distortion
Cross talk 500m Vrms 1KHz - - -30dB Volume Max.,load 4 Ω
Output Watt. 500m Vrms 1KHz - - 0.5W Volume Max.,load 4 Ω
Volume Control - - - Analog
Speakers
Maximum power : 2 W per speaker(max)
Impedance : 4 ohm +/- 15 % @ 1kHz 1.0Hz
Frequency response range : 300 Hz – 20 kHz (S.P.L. – 10 dB)
Total harmonic distortion : Less than 5 % @ 0.125 W 1kHz
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