Denon PRA-1000 B

Data

General

• Manufacturer: Denon
• Model: PRA-1000 B
• Type: Tube preamplifier
• Years of manufacture: 1976 - 1979
• Made in: Japan
• Color: Silver / Black
• Power consumption: 80 W
• Dimensions: 410 x 152 x 271 mm (WxHxD)
• Weight: 8.5 kg
• Original price approx.: 230'000 (Japan, 1976), 4'000 DM

Connections

• Number of inputs:
  • Phono 1: 2.5 mV / 50 kOhm, max. 600 mV, 1 kHz.
  • Phono 2: 2.5 mV / 30 kOhm, max. 600 mV, 1 kHz

Tuner: 250 mV / 200 kOhm

• • Aux 1&2: 250 mV / 200 kOhm
  • Tape Play 1, 2: 250 mV / 200 kOhm
  • Main Out:
• Number of outputs:
  • Tape Rec 1, 2:
  • Headphones: 30 mW at 8 Ohm

Line Out: 1 V

Technical Data

• Total harmonic distortion: < 0.06 % (high level, 20 - 20'000 Hz)
• Frequency response:
  • Phono MM: 20 - 20'000 Hz, (+ 0.3 dB / - 0.5 dB).

High level: 8 - 100'000 Hz (+ 0 dB / - 1 dB)

• Signal-to-noise ratio:
  • Phono MM: > 71 dB
  • High level: > 83 dB
• Tone control:
  • Bass: ± 10 dB at 50 Hz
  • Treble: ± 10 dB at 20 kHz
  • Low Filter: 2-stage
    • Stage 1: 25 Hz (12 dB / octave)
    • Stage 2: 70 Hz (12 dB / octave)

High Filter: 2-stage

• • • Stage 1: 6 kHz (12 dB / octave)
    • Stage 2: 10 kHz (12 dB / octave)
  • Power control: 3-stage
    • Level 1: - 10 dB
    • Stage 2: 0 dB
    • Stage 3: + 10 dB

Special Features

• Tape dubbing in both directions
• Tone control L + R separately

Comments

• Other models in the same series:
• Preamplifier:
• Denon PRA-1000 B
• Denon PRA-1001
• Denon PRA-1003

• Power Amplifier
• Denon POA-1000 B
• Denon POA-1001
• Denon POA-1003

Pictures

• Image: Denon PRA-1000 B