Audio Technical Specification - Acer AL1931 Manual

2.9 Audio Technical specification

2.9.1 General Description:
Output power
Total harmonic distortion : Less than 1 % (except speakers distortion)
Input signal sensitivity
Input impedance
Frequency response range
Difference of L and R output
2.9.2 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
2.9.3 Speakers
Maximum power
Impedance
Frequency response range : 350 Hz – 15 kHz (S.P.L. – 10 dB)
Total harmonic distortion
: 1Wrms + 1Wrms maximum
: 0.5 Vrms for full output
: 47 Kohm +/- 5 %
: 20Hz – 20kHz (except speakers response)
: Less than 2 dB
Audio Input Freq.
500m Vrms 1KHz
500m Vrms 300Hz-
20KHz
500m Vrms 1KHz
500m Vrms 1KHz
500m Vrms 1KHz
500m Vrms 1KHz
: 2 W speaker(max)
: 8 ohm +/- 15 % @ 1kHz 1.0Hz
: Less than 5 % @ 0.125 W 1kHz
°
)
Spec.
Min. Typ.
- 5
- 500
- -
-10dB -
- -
- -
- -
- -
24
Comment
Max.
-
800
6 d B Volume Max.,load 8 Ω
+10d B Volume Max.,load 8 Ω
-40dB Volume Max.,load 8 Ω
1% except speakers distortion
-30dB Volume Max.,load 8 Ω
1W Volume Max.,load 8 Ω
- Analog