Pioneer QX-646 specifications

Category : Receiver

Brand : Pioneer

General

connections:

Technical data:

amplifier

CD-4 Demodulator part:

Tuner:

special features

• Manufacturer: Pioneer
• model: QX-646
• type: quadraphonic Receiver
• year of construction: 1973 - 1976
• Made in Japan
• color: silver, wood case walnut
• power consumption:
• dimensions: 525 x 149 x 360 mm (WxHxD)
• weight: 12.3 kg
• new price: approx. 500, US$, DM 1400

• number of inputs:
  • Phono: 2.5 mV, 100 k643961b8da111c0a15d770a1109a86d4
  • AUX: 180 mV 90 k643961b8da111c0a15d770a1109a86d4
  • Tape: 180 mV 90 k643961b8da111c0a15d770a1109a86d4
  • Coaxial FM antenna terminal (75-643961b8da111c0a15d770a1109a86d4)
  • connection to THE antenna (300-643961b8da111c0a15d770a1109a86d4)
• number of outputs:
  • 2 x pairs of Speakers: 1 x Front, 1 x Rear
  • 1 x headphone output: 6.3 mm Jack

• Phono: 2.5 mV, 100 k643961b8da111c0a15d770a1109a86d4
• AUX: 180 mV 90 k643961b8da111c0a15d770a1109a86d4
• Tape: 180 mV 90 k643961b8da111c0a15d770a1109a86d4
• Coaxial FM antenna terminal (75-643961b8da111c0a15d770a1109a86d4)
• connection to THE antenna (300-643961b8da111c0a15d770a1109a86d4)

• 2 x pairs of Speakers: 1 x Front, 1 x Rear
• 1 x headphone output: 6.3 mm Jack

• the duration of the performance: quadraphonic, 20-20 kHz,
  • 8 643961b8da111c0a15d770a1109a86d4s: 4 x 10 watts
  • 4 643961b8da111c0a15d770a1109a86d4: 4 x 11 watts
• music power: quadraphonic, 20-20 kHz,
  • 8 643961b8da111c0a15d770a1109a86d4s:
  • 4 643961b8da111c0a15d770a1109a86d4: 4 x 20 Watt
• continuous output: Stereo, 20 - 20 kHz
  • 8 643961b8da111c0a15d770a1109a86d4s:
  • 4 643961b8da111c0a15d770a1109a86d4: 2 x 10 watts
• continuous output: Stereo, 1 kHz
  • 8 643961b8da111c0a15d770a1109a86d4: 26 watts
  • 4 643961b8da111c0a15d770a1109a86d4: 30 watts
• total harmonic distortion: 0.1 %, 20 - 20'000 Hz, 0.3 % at 1 Watt, 8 643961b8da111c0a15d770a1109a86d4s
• damping factor:
• frequency response: 10 - 100'000 Hz ± 3 dB
• power range: 15 - 20'000 Hz
• signal-to-noise ratio:
  • Phono: 70 dB
  • Line: 90 dB
• sound control: Yes
  • Bass: + 13 dB, 12.5 dB at 100 Hz
  • height: + 11,5 dB, 8.5 dB at 10 kHz
• Loudness: Yes
• High Filter : no
• Low Filter (Subsonic): no

• 8 643961b8da111c0a15d770a1109a86d4s: 4 x 10 watts
• 4 643961b8da111c0a15d770a1109a86d4: 4 x 11 watts

• 8 643961b8da111c0a15d770a1109a86d4s:
• 4 643961b8da111c0a15d770a1109a86d4: 4 x 20 Watt

• 8 643961b8da111c0a15d770a1109a86d4s:
• 4 643961b8da111c0a15d770a1109a86d4: 2 x 10 watts

• 8 643961b8da111c0a15d770a1109a86d4: 26 watts
• 4 643961b8da111c0a15d770a1109a86d4s: 30 Watt

• Phono: 70 dB
• Line: 90 dB

• Bass: + 13 dB, 12.5 dB at 100 Hz
• height: + 11,5 dB, 8.5 dB at 10 kHz

• input sensitivity: 2.5 mV
• input impedance: 100 k643961b8da111c0a15d770a1109a86d4
• total harmonic distortion: 0.07 to %
• signal-to-noise ratio: &70 dB
• channel separation at 1 kHz:
  • gt; left to Right: 50 dB
  • Front to Back: 30 dB
• frequency range: 20 - 15 000 Hz

• left to Right: 50 dB
• Front to Rear: 30 dB

• receiving: FM, AM
• frequency:
  • FM: 88 - 108 MHz
  • MW: 535 - 1600 kHz
• input sensitivity:
  • FM: 2,2 µV
  • MW: 15 µV
• frequency response: 20 - 15 000 Hz
• total harmonic distortion FM: < 0,8 %
• signal-to-noise ratio:
  • FM: 65 dB
  • ON: 50 dB
• Stereo channel separation: > 40 dB at 1 kHz
• selectivity:
  • FM: 60 dB
  • MW: > 25 dB
• frequency selection: 1.0 dB
• in addition to the wave selection: > 35 dB
• mirror frequency attenuation:
  • FM: > 50 dB
  • MW: > 45 dB
• ZF-loss:
  • FM: > 90 dB
  • MW: > 55 dB
• ON-rejection: 65 dB

• FM: 88 - 108 MHz
• MW: 535 - 1600 kHz

• FM: 2,2 µV
• MW: 15 µV

• FM: 65 dB
• ON: 50 dB

• FM: 60 dB
• MW: > 25 dB

• FM: > 50 dB
• MW: > 45 dB

• FM: > 90 dB
• MW: > 55 dB

• Equipped with all the quadraphonic systems:
  • CD-4
  • SQ Decoder
  • Regular Matrix
• Quad ro level indicator
• connection for Dolby Adapter
• FM Muting
• Bass / treble control V + H separately

• CD-4
• SQ Decoder
• Regular Matrix

• All of the Pioneer Quad ro Receiver at a Glance:
  • Pioneer QX-646
  • Pioneer QX-747
  • Pioneer QX-747 A
  • Pioneer QX-949
  • Pioneer QX-949 A
  • Pioneer QX-4000
  • Pioneer QX-8000
  • Pioneer QX-8000 A
  • Pioneer QX-9900

• Pioneer QX-646
• Pioneer QX-747
• Pioneer QX-747 A
• Pioneer QX-949
• Pioneer QX-949 A
• Pioneer QX-4000
• Pioneer QX-8000
• Pioneer QX-8000 A
• Pioneer QX-9900

• introduction of Kenwood 4-channel playback technology

• extract from the prospectus: Pioneer QX-646

• extract from the prospectus: Pioneer QX-646

• extract from the prospectus: Pioneer QX-646 , QX-747, QX-949

• report to the Pioneer QX-747 of the "Hi-Fi Studio": [1]

• report "Hifi-Museum" [=quadro]

• External Link Pioneer catalogue on "Hi-Fi archive" [2]

Comment:

Comment box:

Pioneer QX-646 relate

Pioneer QX-747

Pioneer QX-747 A

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Pioneer QX-8000 A

Pioneer QX-949

Pioneer QX-949 A

Pioneer QX-9900

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Pioneer SM-Q 300

Pioneer SX-1000

Pioneer SX-1000 T

Pioneer SX-1000 TA

Pioneer SX-1000 TD

Pioneer SX-1010

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Pioneer SX-1080

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