Hitachi HA-270 Stereo Amplifier, 1978, made in Japan


Country: Japan
Manufacturer / Brand: Hitachi Ltd.; Tokyo
alternative name  Hitachi Sales Corp. of America
Year: 1978
Category: Audio Amplifier or -mixer
Power output: 25 watts per channel into 8Ω (stereo)
Frequency response: 15Hz to 30kHz
Total harmonic distortion: 0.1%
Damping factor: 34
Input sensitivity: 3mV (MM), 150mV (line)
Signal to noise ratio: 69dB (MM), 85dB (line)
Output: 150mV (line)
Semiconductors: 2 x IC, 20 x transistors, 16 x diodes
Reception principle Audio-Amplification
Wave bands - without
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 120; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 70 W (unknown quality)
Model: Stereo Amplifier HA-270 - Hitachi Ltd.; Tokyo
Material Metal case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 390 x 143 x 330 mm / 15.4 x 5.6 x 13 inch
Notes
  • HiFi stereo amplifier 2 x 35W sinus.
  • Frequency response 20 ... 20000 Hz, connections for Phono 2,5 milliohms at 45 ohms, tape 1, tape 2, aux, tuner.
  • Type of housing in black or silver. 
Net weight (2.2 lb = 1 kg) 7.8 kg / 17 lb 2.9 oz (17.181 lb)
Source of data -- Original-techn. papers.
Mentioned in - - Manufacturers Literature (Service Manual - No. 146)


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