Pioneer QX-4000
Data
General
- Manufacturer: Pioneer
- Model: QX-4000
Type: Quadraphonic Receiver
- Years of manufacture: 1972 - 1974
- Made in: Japan
- Color: Silver, Wooden Cabinet Walnut
- Power consumption:
- Dimensions: 450 x 144 x 350 mm
- Weight: 10,1 Kg
- Original price approx.: 68'000 Yen (Japan, 1972), corresponds to about 1'100 DM
Connections:
- Number of inputs:
- Phono MM: 2.3 mV, 50 kOhm.
- AUX: 200 mV, 90 kOhm
Tape Play: 200 mV, 90 kOhm Coaxial FM antenna connection (75 Ohm)
- AM antenna connection (300 Ohm)
- Number of outputs:
- Tape Rec: 200 mV
Tape Rec DIN: 35 mV Speaker pairs: 2 x front, 1 x rear
- Headphone output: 6,3 mm jack each
Technical Data:
Amplifier:
- continuous power: quadrophonic, 20 Hz - 20 kHz
- 8 Ohm: 4 x 10 Watt
4 Ohm: 4 x 11 Watt
- music power: quadrophonic, 20 Hz - 20 kHz
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: < 1 % at rated power
- Attenuation factor: 35 at 8 ohms, 1 kHz
- Frequency response: 10 - 100'000 Hz ± 3 dB
- Signal-to-noise ratio:
- Phono: > 70 dB
- Line: > 90 dB
- Tone control:
- Bass: + 13 dB, - 12.5 dB at 100 Hz
- Treble: + 11.5 dB, - 8.5 dB at 10 kHz
- Loudness: + 10 dB at 100 Hz, + 5 dB at 10 kHz
- Low Filter (Subsonic):
- High Filter:
Tuner:
- Reception: FM, AM
- Frequencies:
- FM: 87.5 - 108 MHz
- MW: 525 - 1605 kHz
- Input sensitivity:
- FM: 2.2 µV
- MW: 15 µV
- Frequency response: 20 - 15'000 Hz
- Distortion factor FM: Stereo < 0.8 %, < Mono 0,6 %
- Signalrauschabstand:
- UKW: 65 dB
- AM: 50 dB
- Stereo-Kanaltrennung: >40 dB at 1 kHz
- Selectivity:
- FM: 60 dB
MW: > 25 dB
- Co-wave selection: 3.0 dB
- Spurious wave selection: > 80 dB
- Image frequency attenuation:
- FM: > 50 dB
MW: > 45 dB IF attenuation:
- FM: > 85 dB
- MW: > 30 dB
- AM suppression: 50 dB
Special Features
- Quadro Matrix SQ
- Quadro Discrete
- FM Muting
- Bass / Tweeter control V + H separately
Comments
- All Pioneer Quadro Receivers at a glance:
Pictures
- Image: Pioneer QX-4000
Reviews
Links
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