Acer AL1715 Service Manual page 29

Electrical characteristics (Tamb=25°)
Audio amplifier(USE Panasonic VP-7723A Audio Analyzor. )
Item
Input Voltage(V)
Input Current(m A)
Audio Voltage Gain
Frequency Response
Signal to Noise ratio
Total harmonic distortion
Cross talk
Output Watt.
Volume Control
Speakers
Maximum power
Impedance
Frequency response range
Total harmonic distortion
Audio Input Freq.
500m Vrms 1KHz
500m Vrms 300Hz-20KH
z
500m Vrms 1KHz
500m Vrms 1KHz
500m Vrms 1KHz
500m Vrms 1KHz
: 2 W per speaker(max)
: 4 ohm +/- 15 % @ 1kHz 1.0Hz
: 300 Hz – 20 kHz (S.P.L. – 10 dB)
: Less than 5 %
Spec.
Min. Typ. Max.
- 0.5Vm
s
- 500 800
- - 6 d B
-10dB - +10d B Volume Max.,load 4 Ω
- - -40dB Volume Max.,load 4 Ω
1%
- - -30dB Volume Max.,load 4 Ω
- - 0.5W
- -
@ 0.125 W 1kHz
- 29 -
Comment
-
Volume Max.,load 4 Ω
except speakers distortion
Volume Max.,load 4 Ω
- Analog