Hitachi HCA 7500 MK2 + HMA 7500 MK2 Power Mos-Fet Dual Mono

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General

Manufacturer: Hitachi
Model: HMA-7500 MKII
Type: MOS FET power amplifier
Years of manufacture: 1980 - 1983
Made in: Japan
Color: Champagne
Remote control: No
Power consumption: 420 W (1/3 rated power), 620 W (rated power)
Dimensions (WxHxD): 435 x 165 x 320 mm
Weight: 14 kg
Original price approx.: 1'298 DM

Connections

Number of inputs: 2
1 x Cinch (Stereo) direct coupling
1 x Cinch (stereo) condenser coupling Number of outputs: 2

2 x loudspeaker (stereo)A + B

Technical data

Sine power (0.005 %)
8 Ohm: 80 W
4 Ohm: 80 W

8 Ohm mono (bridged): 150W
Power bandwidth: 5 Hz - 100,000 Hz
Input sensitivity: 1V/47kOhm
Total harmonic distortion: 0,005 % * Attenuation factor: 100 dB
Attenuation factor: 100 dB (1kHz)
Frequency response: 0.5 Hz - 100,000 Hz
Signal-to-noise ratio: 118 dB

Special Features

Mono bridgeable (BTL)
Direct connection and capacitor switched connection

Manufacturer: Hitachi
Model: HCA-7500 II
Type: Preamplifier
Years of manufacture: 1980 - 1983
Made in: Japan
Color: Black, Silver, Titanium
Remote control: No
Power consumption: 8 watts
Dimensions: 435 x 83 x 292 mm (WxHxD)
Weight: 4.5 kg
Original price approx.: 798 DM

Connections

Number of inputs: 4
PHONO MM: 25 mV (22, 47, 100 kOhm)
PHONO MC : 0,1 - 2,5 mV (100 kOhm)
TUNER, AUX : 150 mV (47 kOhm)
TAPE : 150 mV (47 kOhm)
Number of outputs: 3
PRE OUT : 1 V (600 Ohm)
TAPE REC OUT: 150 mV (600 Ohm)
PHONES OUT: 70 mV (90 Ohm)

Specifications

Frequency response:
PHONO (RIAA): 20-20000 Hz (±0.2 dB).
TUNER, AUX : 5- 100000 Hz (+0 / -1.5 dB)
Distortion factor:
PHONO: < 0.005% at REC OUT level 5 V.
TUNER, AUX: < 0.005% at PRE OUT level 5 V

Signal-to-noise ratio:
PHONO MM: 91 dB
PHONO MC: 75 dB TUNER, AUX : 104 dB

TAPE : 104 dB
Tone control:
Bass: ±8 dB (150 Hz, 100 Hz transition at 150 Hz, 300 Hz).
Treble: ±18 dB (10 kHz, 20 kHz transition at 3 kHz, 6 kHz)

Loudness: (when volume control is set to -30dB)
+8 dB (150 Hz)
+8 dB (10 kHz)
Subsonic Filter: 15 Hz (6 dB/oct.)
Mute: - 20 dB

Special Features

Record selector switch
Mono/stereo switch
Phono MM & MC