PIONEER QX-949A

Ponúkam na predaj špičkový Monster vintage kvadrofónny (4-kanálový) receiver Pioneer predstavený v polovici 70. rokov. Je známy svojou masívnou konštrukciou, ikonickým modrým podsvietením a unikátnym 4-kanálovým indikátorom úrovne („scope“), ktorý vizuálne zobrazuje vyváženie zvuku medzi prednými a zadnými reproduktormi. Zariadenie je veľmi peknom dá sa povedat zberateľskom stave, plne funkčné, prešlo servisnou prehliadkov. Ponúkam možnosť odskúšania a vypočutia. Pri serióznom záujme ma prosím kontaktujte v správe.

General
Manufacturer: Pioneer
Model: QX-949 A
Type: Quadraphonic Receiver

Years of manufacture: 1976 - 1977
Made in: Japan
Color: silver, wooden case walnut
Power consumption: 530 watts
Dimensions: 550 x 160 x 440 mm
Weight: 22,4 Kg
Original price approx.: 3'190 DM

Connections:
Number of inputs:
Phono: 2.2 mV, 50 kOhm
Phono ground connection: yes
AUX: 140 mV, 100 kOhm
Tape: 140 mV, 100 kOhm

Coaxial FM- antenna connection (75 Ohm)
AM antenna connection (300 Ohm)
Number of outputs:
3 x loudspeaker pairs: 2 x front, 1 x rear
2 x headphone output front + rear: 6.3 mm jack each

Technical data:

Amplifier:continuous power: quadrophonic, 20-20 kHz
8 Ohm: 4 x 40 Watt
4 Ohm: 4 x 44 Watt

music power: quadrophonic, 20-20 kHz
8 Ohm: 4 x 58 Watt
4 Ohm: 4 x 75 Watt
Continuous power: Stereo, 20- 20 kHz
8 Ohm: 2 x 60 Watt
4 Ohm: 2 x 65 Watt
Continuous power: Stereo, 1 kHz
8 Ohm: 85 Watt
4 Ohm: 100 Watt
Total harmonic distortion: 0.3 % at 20- 20'000 Hz, 0.02 % at 1 Watt, 8 Ohm
Attenuation factor: 35 at 8 ohms, 1 kHz
Frequency response:
AUX, Tape: 10 - 25'000 Hz + 0,5 dB, - 1 dB
Phono: 30 - 15'000 Hz ± 1 dB
Power bandwidth: 7 - 40'000 Hz
Signal-to-noise ratio:
Phono: 70 dB
Line: 90 dB

Tone control: yes
Bass: ± 10 dB, 100 Hz
treble: ± 10 dB, 10 kHz

Loudness: yes
High Filter: no
Low Filter (Subsonic): no

CD-4 demodulator part:
Input sensitivity: 2.5 mV
Input impedance: 100 kOhm
Distortion factor: 0,07
Signal-to-noise ratio: > 70 dB
Channel separation at 1 kHz:
Left to Right: 50 dB
front to rear: 30 dB

Frequency range: 20 - 15'000 Hz

Tuner:
Reception: FM, AM
Frequencies:
FM: 88 - 108 MHz
MW: 535 - 1600 kHz
Input sensitivity:
FM: 1.8 µV
MW: 15 µV
Frequency response: 20 - 15'000 Hz
Distortion factor FM: stereo 0.4 %, mono 0.2 %
Signal-to-noise ratio:
FM: 70 dB
AM: 50 dB

Stereo channel separation: > 40 dB at 1 kHz
Selectivity:
FM: 80 dB
AM: > 25 dB
Co-wave selection: 1.0 dB
Spurious wave selection: 65 dB
Image frequency attenuation:
FM: > 85 dB
MW: > 65 dB IF attenuation:

FM: > 90 dB
MW: > 85 dB
AM suppression: 65 dB

Special Features
Equipped with all quadraphonic systems:
CD-4
SQ Full Logic

Regular Matrix
Quadro level meter
Connector for Dolby adapter
MPX 4-Channel Output Jack
MPX Noise Filter
FM Muting
Bass / Tweeter control V + H separate
Display level switchable: 0 dB, - 10 dB, - 20 dB