Hitachi
HA-3500 Stereo Integrated Amplifier (1979)
Features:
Low-distortion
power amplifier
Power level
meters for output power readout
Connection
facilities for two pairs of speakers
New ICs in
the Equalizer and pre-amplifier
Subsonic
filter that cuts out rumble and wow in the ultra-low frequencies without
impairing the sound quality
LED program
source indicators
Specifications:
Power
Output:
30
watts per channel, (min. RMS, at 8 Ω
from 20-20,000 Hz, with no more than 0,05% THD)
33 +
33 W/channel (both channels driven into 8 Ω, 20-20,000 Hz, 0,05% THD)
36 +
36 W/channel (8 Ω, 1 kHz, 0,05% THD)
38 +
38 W/channel (4 Ω, 1 kHz, 0,15% THD)
Power
Bandwidth: 10 Hz - 50 kHz
Frequency
Characteristics:
Tuner, Tape
1, 2: 10 Hz - 40 kHz (+0,5 -1,5 dB)
Phono : RIAA ±0,3 dB
Total
Harmonic Distortion:
Less than
0,05% at rated output
Less
than 0,03% at ½ rated output
Intermodulation
Distortion: less than 0,03% (at ½ rated output)
Input
Sensitivity/Impedance:
Phono
: 2,5 mv / 47 k Ω
Tuner
: 150 mv / 33 k Ω
Tape
1, 2 : 150 mV / 33 k Ω
Output
level:
Tape Out
: 150 mV
Phono
Overload Level (at 1 kHz, 0,05% THD):
200 mV
Signal-to-Noise
Ratio (IHF a network):
Phono : 75 dB
Tuner, Tape
1,2 : 90 dB
Damping
Factor: 30 (1 kHz , 8 Ω)
Bass
Control: ±10 dB at 100 Hz
Treble
Control: ±10 dB at 10 kHz
Loudness
Control: +9 dB at 100 Hz; +4 dB at 10
kHz
Subsonic
Filter: 20 Hz (-12 dB/oct)
Semiconductors: 4 ICs, 24 transistors, 18 diodes (2 LEDs)
Power
Supply: AC 120 V 60 Hz; 220 V 50/60 Hz;
240 V 50/60 Hz; 120/220/240 V 50/60 Hz
Power
Consumption: 160 W (at ⅓
rated output) 240 W (at rated output)
Dimensions
(W x H x D): 435 x 110 x 275 mm
Weight: 6 kg