Pioneer F-28

Data

General

• Manufacturer: Pioneer
• Model: F-28
• Model range: Series 20
• Type: Tuner
• Years of manufacture: 1977 - 1980
• Made in: Japan
• Color: Metal Silver
• Power consumption: 14 W
• Dimensions: 420 x 156 x 360 mm (WxHxD)
• Weight: 8.5 kg
• Original price approx.: 690 US-$, 1'998 DM

Connections

• Number of Outputs:
  • Output Fix: 650 mV, 2.2 kOhm
  • Output Variable: 50 mV - 1.3, 3 kOhm

Multipath:

• • • Vertical: 100mV / 5kohm (AM, 1kHz, 30% modulation)
    • Horizontal: 500mV / 4.1kohm (FM, 1kHz, 100% modulation)
• Number of inputs:
  • Antenna FM 300 Ohm balanced

Antenna FM 75 Ohm unbalanced

Technical data

• Reception: FM
• Frequencies:
  • VHF: 88-108 MHz
• Frequency response: 20 Hz - 15 kHz ± 0.5 dB
• Input sensitivity: 1.8 µV IHF
• Distortion factor:
  • Wide:
    • Mono: 0.04 % (1 kHz)
    • Stereo: 0.05 % (1 kHz)

Narrow:

• • • Mono: 0.08% (1 kHz)
    • Stereo: 0.15 % (1 kHz)
• Signal-to-noise ratio:
  • Mono: 84 dB

Stereo: 81 dB

• Channel separation:
  • Wide: 55dB (1kHz)

40dB (20Hz - 15kHz) Narrow: 50dB(1kHz)

• • • > 40 dB
• Selectivity: 90 dB
• Equal wave selection:
  • Wide: 0.8 dB

Narrow: 1.5 dB

• Spurious wave selection: > 80 dB, 400 kHz
• Image frequency attenuation: 120 dB
• IF attenuation: 120 dB
• AM suppression: 65 dB

Special Features

• Pioneer Photo Logic Synthesizer/Quartz Locked
• 5-speed tuner
• Electronic station fine-tuning becomes active as soon as the selector knob is released
• De-emphasis switch: 25 µs, 50 µs, 75 µs

IF band selector: Wide, Narrow

Remarks

• Other models in the same series:
  • Pioneer C-21
  • Pioneer M-22
  • Pioneer D-23
  • Pioneer U-24
  • Pioneer M-25
  • Pioneer F-26
  • Pioneer A-27
  • Pioneer F-28
  • Pioneer PL-C 590

Pictures

• Picture: Pioneer Tuner F-28 Front

• Picture: Pioneer Tuner F-28 rear panel