Hitachi HA-7700 specifications

Category : Integrated amplifier

Brand : Hitachi

General

connectors

Technical data

special features

• manufacturer: Hitachi
• model: HA 7700
• type: amplifier
• year of construction: 1979 - 1981
• Made in Japan
• color: Silver
• remote control: no
• power consumption: 460 watts
• dimensions (WxHxD): 435 x 164.5 x 383 mm
• weight: 16 kg
• factory price approx.: 1'198 DM

• number of inputs:
  • Phono MM: 2.5 mV / 47 kOhm , 250 mV max.
  • Phono MC: 0.25mV / 100 ohm, 25 mV max.
  • Tuner: 150 mV / 47 kOhm
  • Aux: 150 mV / 47 kOhm
  • Tape Play 1, 2: 150mV / 47 kOhm
  • Tape Play DIN 1, 2:
• Number of Outputs:
  • Tape Rec 1, 2: 150 mV / 47 kOhm
  • Tape Rec DIN 1, 2:
  • Headphones
  • 2 pairs of speakers

• Phono MM: 2.5mV / 47 kOhm , 250 mV max.
• Phono MC: 0.25mV / 100 ohm, 25 mV max.
• Tuner: 150 mV / 47 K-ohms
• Aux: 150 mV / 47 K-ohms
• Tape Play 1, 2: 150 mV / 47 K-ohms
• Tape Play to DIN 1, 2:

• Tape Rec 1, 2: 150 mV / 47 K-ohms
• Tape Rec DIN 1, 2:
• headphones
• 2 pairs of Speakers

• the duration of the performance (total harmonic distortion)
  • 8 Ohm : 2x 65 W, 0.02%
  • 4 Ohm :
• dynamic performance
  • 8 Ohm s:
  • 4 Ohm :
• total harmonic distortion: 0.02% of
• inter-modulation distortion: 0.03% of
• damping factor: 50
• frequency response:
  • Phono RIAA: ± 0.3 dB, 20 - 20, 000 Hz
  • high-level: 10 - 40'000 Hz
• signal-to-noise ratio:
  • Phono: 80 dB
  • high level: 100 dB
• sound-control:
  • Bass: ± 8 dB at 100 Hz
  • treble: ± 8 dB at 10 KHz
• Loudness: no
• High Filter : No
• Low Filter (Subsonic): 15 Hz - 6 dB / octave
• Mute: - 16 dB
• Direct/Line-Straight: Yes

• 8 Ohm : 2x 65 W, 0.02%
• 4 Ohm :

• 8 Ohm :
• 4 Ohm :

• Phono RIAA: ± 0.3 dB, 20 - 20, 000 Hz
• high-level: 10 - 40'000 Hz

• Phono: 80 dB
• high level: 100 dB

• Bass: ± 8 dB at 100 Hz
• treble: ± 8 dB at 10 KHz

• MosFet Transistors
• dual-Mono construction

• Other models from the same series:
• Hitachi HA-2 700
• Hitachi HA-3 700
• Hitachi HA-4700
• Hitachi HA-57 00
• Hitachi HA-7700
• Hitachi HA-8700

• image: Hitachi HA-7700

• extract from the prospectus: Hitachi HA-7700 , HA-8700

• extract from the prospectus: Hitachi HA-7700

• stereo play April 1981, 9 amplifier in comparison

• listening test of a User of the Hi-Fi forum

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