Vintage Akai AS-8100S Quadraphonic Stereo Receiver Vintage Akai AS-8100S Quadraphonic Stereo Receiver

Vintage Akai AS-8100S Quadraphonic Stereo Receiver

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$132.99

Availability: 1 item(s)

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Details

Vintage Akai AS-8100S Quadraphonic/Stereo AM/FM Receiver

  • Made in the mid-1970s - an initial attempt at surround sound using 4 corner speakers
  • The receiver's side pieces appear to be solid wood
  • Internal lighting is functional
  • All knobs are smooth, all push buttons appear to work
  • Excellent tuner sensitivity
  • The top of the receiver is a metal plate painted brown
  • Look carefully at the unusual inputs/outputs on the back of the receiver - some of them are non-conventional
  • Weight with protective packaging is approximately 41 lbs (this receiver is heavy!)
  • The receiver is functional - it is sold as-is due to its 40+ years of age
SPECIFICATIONS:

Music Power: 120 watts (4x30) into 4 ohms
Power Output: Stereo mode: 36 watts per channel into 4 or 8 ohms
Quadro mode: 18 watts per channel into 8 ohms, 22 watts per channel into 4 ohms
Distortion: Less than 0.1% at 8 ohms
Bandwidth: 20 Hz to 30,000 Hz at 8 ohms
Frequency Response: 20 Hz at normal levels to 100,000 Hz (- 3 dB)
AUX 20 Hz to 100,000 Hz (- 3 dB)

Input sensitivity:

Phono to 3 mV 100 kOhms
AUX 150 mV to 100
kOhms
Monitor (DIN) 150 mV to 100 kOhm
Monitor (Line) 150 mV to 100 kOhm
Better than 70dB Phono
AUX Better than 80 dB
Minimum volume less than 3 mV

Channel separation:

Better than 60dB Phono
Better than 60 dB AUX
Equalizer: Bass ± 10 dB at 100 Hz, Treble ± 10 dB at 10 kHz
Loudness switch 100 Hz ± 8 dB, 10 kHz ± 4 dB
Filter: height filter 6 dB at 10 kHz, depth filter 6 dB at 50 Hz

FM tuner:

Frequency range: 88 to 108 MHz
Intermediate frequency: 10.7 MHz
Sensitivity: 2 uV THD:
Less than 0.5% of mono, stereo less than 0.8 0%
Rest ratio: Better than 60 dB
Antenna Input: 300 ohms balanced, 75 Ohm

AM tuner:

Frequency range: 535-1605 kHz
Intermediate frequency: 455 kHz
Sensitivity: 10 dB at 1 MHz (400 Hz at 30 0 / o Mod) 180 uV at 1 MHz
FM Distortion: Less than 1.50 / 0
Rest ratio: Better than 50 dB (400 Hz at 30 dB and 74% mod)
Semiconductors: 53 silicon transistors, a field effect transistor, IC 99, 15 diodes, 4 varistors, 3 zener diodes

Input voltage:  100 V to 240 V, 50 and 60 Hz 200 VA