Aiwa AX-7800

Data

General

• Manufacturer: Aiwa
• Model: AX-7800
• Type: Receiver
• Years of manufacture: 1979 - 1981
• Made in: Japan
• Color: front silver, sides wood
• Remote control: no
• Power consumption:
• Dimensions: 530 x 120 x 440 mm (WxHxD).
• Weight: 11.1 kg
• Original price approx.: 998 DM

Connections

• Number of inputs:
  • Phono (MM): 2.5 mV / 50 kOhm

Aux: 150 mV / 50 kOhm Tape: 150 mV / 50 kOhm

• • Antenna (FM: 75, 300 Ohm, MW: 300 Ohm).
• Number of outputs:
  • Tape Rec: 150 mV
  • Headphones (6.3mm jack)
  • 2 pairs of loudspeakers

Technical Data

Amplifier

• Continuous power (at distortion):
  • 8 Ohm: 2x 60 W
  • 4 Ohm:
• Dynamic power:
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.05%
• Attenuation factor: 50 at 8 Ohm
• Frequency response:
  • Phono: 30 - 15'000 Hz, ± 0,5 dB
  • High level: 10 - 50'000 Hz, ± 1,0 dB

Signal-to-noise ratio:

• • Phono: 80 dB
  • High level: 100 dB
• Stereo channel separation:
• Tone control:
  • Bass: ± 10 dB at 100 Hz
    • Tilt frequencies: 200 Hz, 400 Hz

Treble: ± 10 dB at 10 kHz

• • • Tilt frequencies: 2.5 kHz, 5 kHz
• Loudness: yes
• High Filter:
• Low Filter (Subsonic):
• Mute:
• Direct/Line-Straight:

Tuner

• Reception: FM/MW
• Frequencies:
  • FM: 88 - 108 MHz
  • MW: 535 - 1605 KHz
• Input sensitivity:
  • FM: 1.9 µV
  • MW: 15 µV
• Frequency response: 30 - 15'000 Hz (+0,2 dB / -0,5 dB)
• Distortion factor:
  • FM (1 kHz): < 0.07 % (mono), < 0.2 % (stereo).
• Signal-to-noise ratio:
  • FM mono: 75 dB

FM stereo: 70 dB

• • MW: 55 dB
• Channel separation: 47 dB (1 kHz)
• selectivity:
• Co-wave selection: 1.0 dB
• Spurious wave selection:
  • FM: 70 dB
• Mirror frequency attenuation:
  • FM: 90 dB

MW: 40 dB IF attenuation:

• • FM: 110 dB
  • MW: 40 dB
• AM suppression: 55 dB
• Fixed station memory: 6x FM, 6x MW

Special Features

• Digital display for frequency and preset station

LED power indicator

Remarks

• Other models in the same series:
• Receiver:
• Aiwa AX-7300
• Aiwa AX-7700
• Aiwa AX-7800

• Tape Deck
• Aiwa AD-M 250
• Aiwa AD-L 300
• Aiwa AD-L 450
• Aiwa AD-R 500
• Aiwa AD-M 700
• Aiwa AD-M 800
• Aiwa SD-L 50

• Record Player
• Aiwa AP-D 30
• Aiwa AP-D 50
• Aiwa AP-2100
• Aiwa LP-3000

• Noise Reduction System
• Aiwa HR-50

Pictures

• Extract from brochure: Aiwa AX-7800