Pioneer SX-939 specifications

Category : Receiver

Brand : Pioneer

General

connectors

Technical data

amplifier

Tuner

special features

• manufacturer: Pioneer
• model: SX-939
• type: Receiver
• year of construction: 1974 - 1976
• Manufactured in: Japan
• color: Front silver, wood Cabinet
• remote control: no
• power consumption: 470 W
• dimensions: 520 x 175 x 420 mm (WxHxD)
• weight: 18.5 kg
• factory price approx.: 2.385,- DM

• number of inputs:
  • Phono MM 1, 2: 2.5 mV, 50 k643961b8da111c0a15d770a1109a86d4s, 250 mV max.
  • Microphone (6.3mm jack): 2 mV, 50 k643961b8da111c0a15d770a1109a86d4
  • Aux: 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
  • Tape 1, 2 Play: 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
  • Tape Play (DIN): 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
  • NR Adapter In: 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
  • Main In: 1 V , 50 k643961b8da111c0a15d770a1109a86d4
  • Antenna (FM: 75, 300 643961b8da111c0a15d770a1109a86d4, MW: 300 643961b8da111c0a15d770a1109a86d4)
• Number of Outputs:
  • Tape Rec 1, 2: 150 mV
  • Tape (DIN): 30 mV, 80 k643961b8da111c0a15d770a1109a86d4
  • NR Adapter Out: 150 mV
  • Pre Out: 1 V, 1 k643961b8da111c0a15d770a1109a86d4, 4 V max.
  • Headphones (6.3mm jack)
  • 3 pairs of speakers

• Phono MM 1, 2: 2.5mV, 50 k643961b8da111c0a15d770a1109a86d4, 250 mV max.
• Microphone (6.3mm jack): 2 mV, 50 k643961b8da111c0a15d770a1109a86d4
• Aux: 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
• Tape 1, 2 Play: 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
• Tape Play (DIN): 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
• NR Adapter In: 150 mV, 70 k643961b8da111c0a15d770a1109a86d4
• Main In: 1 V , 50 k643961b8da111c0a15d770a1109a86d4
• Antenna (FM: 75, 300 643961b8da111c0a15d770a1109a86d4, MW: 300 643961b8da111c0a15d770a1109a86d4)

• Tape Rec 1, 2: 150 mV
• Tape (DIN): 30 mV, 80 k643961b8da111c0a15d770a1109a86d4
• NR Adapter Out: 150 mV
• Pre Out: 1 V, 1 k643961b8da111c0a15d770a1109a86d4, 4 V max.
• headphone (6.3 mm Jack)
• 3 pairs of Speakers

• the duration of the performance (total harmonic distortion):
  • 8 643961b8da111c0a15d770a1109a86d4: 2x 70 W (RMS , 20 Hz to 20,000 Hz)
  • 4 643961b8da111c0a15d770a1109a86d4: 2x 80 W
• dynamics of power:
  • 8 643961b8da111c0a15d770a1109a86d4s:
  • 4 643961b8da111c0a15d770a1109a86d4:
• total harmonic distortion: < 0,05 %
• damping factor: 50 (8 643961b8da111c0a15d770a1109a86d4s, 1 kHz)
• frequency response:
  • Phono RIAA: 30 - 15,000 Hz, ± 0.3 dB
  • high level: 10 - 40,000 Hz, + 0 dB, 1 dB
• signal-to-noise ratio:
  • Phono: 70 dB
  • MIC: 65 dB
  • high level: 95 dB
• control:
  • Bass Main sound: ± 10 dB at 100 Hz
  • Bass Sub: ± 5 dB at 50 Hz
  • height Main: ± 10 dB at 10 kHz
  • heights Sub: ± 5 dB at 20 kHz
• Loudness: + 8 dB at 100 Hz, + 4 dB at 10 kHz
• Low Filter : - 8 dB at 50 Hz, 6 dB / octave
• High Filter : - 9 dB at 10 kHz, - 6dB / octave
• Subsonic: no
• Mute: - 20 dB

• 8 643961b8da111c0a15d770a1109a86d4: 2x 70 W (RMS , 20 Hz to 20,000 Hz)
• 4 643961b8da111c0a15d770a1109a86d4: 2x 80 W

• 8 643961b8da111c0a15d770a1109a86d4s:
• 4 643961b8da111c0a15d770a1109a86d4:

• Phono RIAA: 30 - 15,000 Hz, ± 0.3 dB
• high-level: 10 - 40,000 Hz, + 0 dB, 1 dB

• Phono: 70 dB
• MIC: 65 dB
• high level: 95 dB

• Bass-Main: ± 10 dB at 100 Hz
• Bass Sub: ± 5 dB at 50 Hz
• height Main: ± 10 dB at 10 kHz
• heights Sub: ± 5 dB at 20 kHz

• receiving: FM, MW
• frequency:
  • FM: 88 - 108 MHz
  • MW: 525 - 1605 kHz
• input sensitivity:
  • FM: 1,8 µV
  • MW: 15µV
• any additional information for FM
• frequency response: 20 - 15,000 Hz, + 0.2 dB - 2 dB
• total harmonic distortion:
  • Mono: < 0,2 %
  • Stereo: < 0,4 %
• signal-to-noise ratio:
  • Mono: 70 dB
  • Stereo: 65 dB
• channel separation: 40 dB (1 kHz)
• selectivity: 80 dB
• frequency selection: 1.0 dB
• in addition to the wave selection: 100 dB
• mirror frequency attenuation: 85 dB
• if rejection: 100 dB
• ON-suppression: 55 dB

• FM: 88 - 108 MHz
• MW: 525 - 1605 kHz

• FM: 1,8 µV
• MW: 15µV

• Mono: < 0,2 %
• Stereo: < 0,4 %

• Mono: 70 dB
• Stereo: 65 dB

• Pre - and power amplifier can be separated (Main In/Pre Out)

• Black:
• Pioneer SX-9 930

• Other models from the same series:
• amplifier:
• Pioneer SA-500 A
• Pioneer SA-620 0
• Pioneer SA-7100
• Pioneer SA-810 0
• Pioneer SA-9100

• Tuner:
• Pioneer TX-500 A
• Pioneer TX-6200
• Pioneer TX-7100
• Pioneer TX-8100
• Pioneer TX-9100

• Receiver:
• Pioneer SX-4 34
• Pioneer SX-5 35
• Pioneer SX-6 36
• Pioneer SX-7 37
• Pioneer SX-8 38
• Pioneer SX-9 39
• Pioneer SX-1010

• Tape Decks:
• Pioneer CT-3131 A
• Pioneer CT-4 1 41 A
• Pioneer CT-5151
• Pioneer CT-F 7171

• coil devices:
• Pioneer RT-1020

• record player:
• Pioneer PL-10
• 18d5e6df1a8ddc56d9432cba87c55791
• Pioneer PL-15 D
• Pioneer PL-A 45-D
• Pioneer PL-5 1 A
• Pioneer PL-7 1

• image: Pioneer SX-9 39

• image: Pioneer SX-9 39

• extract from the prospectus: Pioneer SX-9 39

• Device performance in good-old-hifi: [1]

Comment:

Comment box:

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