Aiwa AX-7500

Data

General

• Manufacturer: Aiwa
• Model: AX-7500
• Type: Receiver
• Years of manufacture: 1974 - 1976
• Made in: Japan
• Color: Front silver
• Remote control: no
• Power consumption: 190 W
• Dimensions: 450 x 150 x 300 mm (WxHxD)
• Weight: 11 kg
• Original price approx.: 1'098 DM

Connections

• Number of inputs:
  • Phono (MM): 2.5 mV / 50 kOhm, 200 mV max.
  • Microphone: 1 mV, 5 kOhm
  • Aux: 150 mV / 50 kOhm
  • Tape 1, 2: 150 mV / 50 kOhm

Tape 1, 2 DIN: 150 mV / 50 kOhm

• • Antenna (FM: 75, 300 Ohm, MW: 300 Ohm).
• Number of outputs:
  • Tape Rec 1, 2: 150 mV, 50 kOhm

Tape Rec 1, 2 DIN: 30 mV, 50 kOhm

• • Headphones (6.3mm jack)
  • 2 pairs of loudspeakers

Technical Data

Amplifier

• Continuous power (at distortion):
  • 8 Ohm: 2x 30 W

4 Ohm: 2x 33 W

• Dynamic power:
  • 8 Ohm: 90 W
  • 4 Ohm: 110 W
• Total harmonic distortion: 0.2%
• Attenuation factor: > 50 at 8 Ohm
• Frequency response:
  • Phono: 30 - 15'000 Hz, ± 3 dB
  • High level: 10 - 70'000 Hz, ± 3 dB

Signal-to-noise ratio:

• • Phono: 80 dB
  • High level: 100 dB
• Stereo channel separation:
• Tone control:
  • Bass: ± 10 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

• Loudness: yes
• High Filter:
• Low Filter (Subsonic):
• Mute:
• Direct/Line-Straight:

Tuner

• Reception: FM/MW
• Frequencies:
  • FM: 87.5 - 108 MHz
  • MW: 525 - 1605 KHz
• Input sensitivity:
  • FM: 1.8 µV
  • MW: 300 µV
• Frequency response: 20 - 15'000 Hz (+0,2 dB / -0,5 dB)
• Distortion factor:
  • FM (1 kHz): < 0.24 % (mono), < 0.4 % (stereo).
• Signal-to-noise ratio:
  • FM mono: 75 dB

FM stereo: 70 dB MW: 50 dB

• Channel separation: 43 dB (1 kHz)
• selectivity: 50 dB
• Co-wave selection: 1.5 dB
• Spurious wave selection:
  • FM: 75 dB
• Mirror frequency attenuation:
  • FM: 55 dB

MW: 40 dB IF attenuation:

• • FM: 80 dB
  • MW: 40 dB
• AM suppression: 50 dB

Special Features

• Microphone mixer
• Tape 2 DIN front connector
• Tape Dubbing
• VHF muting
• VHF AFC

Comments

• Other models in the same series:
• Receiver:
• Aiwa AX-7400
• Aiwa AX-7500
• Aiwa AX-7550
• Aiwa AX-7600

• Tape Deck
• Aiwa AD-1200
• Aiwa AD-1300
• Aiwa AD-1600
• Aiwa AD-1800
• Aiwa AD-6500

Pictures

• [[Picture: Aiwa AX-7500

• Picture: Aiwa AX-7500 backside

• Excerpt from brochure: Aiwa AX-7500