Hafler DH-500 Stereo Amplifier User Manual


 
Power Rating:
Less than 0.025% total harmonic distortion at any power level up to 255
watts continuous average power per channel into 8 ohms at any frequency between
20 Hz and 20
kHz
with both channels driven.
IM Distortion (SMPTE):
Less than 0.007% from 1 watt to 255 watts into 8 ohms
Typical THD at 255 watts into 8 ohms:
1
kHz-0.002%;
10
kHz-0.007%
Frequency Response into 8 ohms:-3
dB,
0.5 Hz to 120
kHz
at 1 watt
kO.5
dB,
5 Hz to 40
kHz
at 255 watts
Typical Channel Separation at 1
kHz:
60 dB
Signal to Noise Ratio:
Exceeds 100 dB referred to 255 watts into 8 ohms, unweighted
Exceeds 90 dB referred to 1 watt into 8 ohms, A weighting
Input Impedance: 47,000
ohms
Input Sensitivity: 2.35
volts for 255 watts into 8 ohms; 0.145 volts for 1 watt
Damping Factor: 200
to
1
kHz
into 8 ohms; 60 to 10
kHz
into 8 ohms
Rise Time:
10
kHz,
80
volts p/p square wave, 10% to
90%: 2.5 us.
Slew Rate:
1
kHz,
120
volts p/p square wave:
45
V/us.
Semiconductor Complement: 27
transistors, 12 power Mosfets, 33 diodes, 8 zener diodes,
one integrated circuit, one diode bridge.
Power Consumption: 240
VA quiescent; 1200 VA
@
rated power into 8 ohms, 2 channels
Size:
7-l/4”
high, 19” wide, 13deep including handles
Net Weight: 45
lbs.
Shipping Weight: 49
lbs.
CAUTION:
For continued protection, replace the power fuse only with the same type and rating
as indicated.
WARNING:
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
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Copyright 1987. All rights reserved.