Pioneer SPEC-1

Data

General

• Manufacturer: Pioneer
• Model: SPEC-1
• Years of manufacture: 1976-1980
• Made in: Japan
• Color: Silver / Black
• Type: Stereo power amplifier
• Power consumption: 17 W
• Dimensions: 480 x 187 x 365 mm
• Weight: 11,2 kg
• Original price approx.: 4'900 DM (for combination SPEC-1 and SPEC-2)

Connections

• Number of inputs:
  • Phono 1: 2.5 mV / 50kOhm, max. 500mV.
  • Phono 2: 2,5 mV ... 10 mV / 50kOhm, max. 500mV
  • Microphone: 2,5 mV / 50kOhm

Tuner: 150mV / 100kOhm

• • Aux 1&2: 150mV / 100kOhm
  • Tape Play 1&2: 150mV / 100kOhm
• Number of outputs:
  • Tape Rec 1&2: 150mV / 2.2kOhm
  • Line: 2 V, 600 Ohm, max. 7 V

Technical Data

• Total harmonic distortion:
  • <0.05% (Aux input, 20Hz ... 20kHz).
  • <0.03% (aux input, 20Hz ... 20kHz, 2V output).
• Frequency response:
  • 10Hz ... 70kHz (Aux input, DIN, +0 / -0.5 dB)

30Hz ... 15kHz (phono input, DIN, ± 0.2 dB).

• Signal-to-noise ratio:
  • > 70dB (Phono MM).
  • > 90dB (Tuner, Tape, Aux).
• Tone control:
  • Bass:
    • Main control 100 Hz: ± 7.5 dB
    • Auxiliary control 50 Hz: ± 4.5 dB

Treble:

• • • Main control 10 kHz: ± 7.5 dB
    • Auxiliary control 20 kHz: ± 4.5 dB
  • Low Filter: 2-stage
    • Stage 1: 15 Hz (12 dB / octave)
    • Stage 2: 30 Hz (12 dB / octave)

High Filter: 2-stage

• • • Stage 1: 8 kHz (12 dB / octave)
    • Stage 2: 12 kHz (12 dB / octave)
  • Power attenuator: 2-stage
    • Stage 1: - 15 dB
    • Stage 2: - 30 dB

Special Features

• Microphone mixer: 6.3 mm jack plug on the front panel
• 19" unit with handles

Remarks

• Other models in the same series:
  • Pioneer Preamplifier
    • Pioneer SPEC-1
    • Pioneer SPEC-3
  • Pioneer power amplifiers
    • Pioneer SPEC-2
    • Pioneer SPEC-4

Pictures

• Image: Pioneer SPEC-1

• Image: Pioneer SPEC-1

• Excerpt from brochure: Pioneer SPEC-1, SPEC-2

Reports

• Report at "Hifi Studio": [[1]]

Links

• External link on website "The Vintage Knob": [[2]]