Pioneer SX-1250 specifications

Category : Receiver

Brand : Pioneer

General

Connections

Technical data

Amplifiers

Tuners

Special equipment

• Manufacturer: Pioneer
• Model: SX-1250
• Type: Receiver
• Years of construction: 1976 - 1978
• Manufactured in: Japan
• Color: Front silver, wooden case
• Remote control: no
• Power consumption: 1,200 W max.
• Dimensions: 556 x 186.5 x 464.5 mm (WxHxD)
• Weight: 29.2kg
• Factory price approx.: 950 US$, 3.498,- DM

• Number of inputs:
  • Phono 1, 2: 2.5mV, 50 k643961b8da111c0a15d770a1109a86d4, max. 500 mV at 1 kHz
  • Microphone: 6.5mV, 50 k643961b8da111c0a15d770a1109a86d4
  • Aux: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4
  • Tape Play 1, 2: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4
  • Tape Play DIN: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4
  • Dolby NR Adapter: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4
  • FM Det Out (4 channel):
  • Antenna VHF/MW: 75, 300 643961b8da111c0a15d770a1109a86d4 / 300 643961b8da111c0a15d770a1109a86d4
  • Main In: 1 V, 50 k643961b8da111c0a15d770a1109a86d4
• Number of Outputs:
  • Tape Rec 1, 2: 150 mV
  • Tape Rec DIN: 30 mV, 80 k643961b8da111c0a15d770a1109a86d4
  • Dolby NR Adapter : 150 mV
  • Pre Out: 1 V, 1 k643961b8da111c0a15d770a1109a86d4
  • Headphones (6.3mm jack):
  • 3 pairs of speakers

• Phono 1, 2: 2.5mV, 50 k643961b8da111c0a15d770a1109a86d4, max. 500 mV at 1 kHz
• microphone: 6,5 mV, 50 k643961b8da111c0a15d770a1109a86d4s
• Aux: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4s
• Tape Play 1, 2: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4s
• Tape Play DIN: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4s
• Dolby NR adaptor: 150 mV, 50 k643961b8da111c0a15d770a1109a86d4s
• FM Det Out (4-channel):
• antenna FM/MW: 75, 300-643961b8da111c0a15d770a1109a86d4 / 300 643961b8da111c0a15d770a1109a86d4
• Main: 1 V, 50 k643961b8da111c0a15d770a1109a86d4

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

• the duration of the performance (total harmonic distortion):
  • 8 643961b8da111c0a15d770a1109a86d4: 2 x 160 W RMS (20 - 20,000 Hz, 0,05 %)
  • 4 643961b8da111c0a15d770a1109a86d4: 2 x 258 W DIN (1,000 Hz, 1 %)
• dynamic power:
  • 8 643961b8da111c0a15d770a1109a86d4s:
  • 4 643961b8da111c0a15d770a1109a86d4:
• total harmonic distortion: < 0,1%
• damping factor: 30 (at 8 643961b8da111c0a15d770a1109a86d4)
• frequency response:
  • Phono: 30 - 15,000 Hz ± 0.2 dB
  • High Level: 10 - 50,000 Hz (+0 dB, -1 dB)
  • amplifier: 5 - 100,000 Hz
• signal-to-noise ratio:
  • Phono: 75 dB
  • High Level: 90 dB
  • amplifier: 100 dB
• control:
  • Bass:
    • 50 Hz: ± 5 dB
    • 100 Hz: ± 10 dB
  • height:
    • 10 kHz: ± 10 dB
    • 20 kHz sound: ± 5 dB
• Loudness: Yes, +6 dB at 100 Hz, +3 dB at 10 kHz
• Low Filter : Yes, 12 dB / octave at 30 Hz
• High Filter : Yes, 12 dB / octave at 8 kHz
• Mute: Yes -20 dB

• 8 643961b8da111c0a15d770a1109a86d4: 2 x 160 W RMS (20 - 20,000 Hz, 0,05 %)
• 4 643961b8da111c0a15d770a1109a86d4: 2 x 258 W DIN (1,000 Hz, 1 %)

• 8 643961b8da111c0a15d770a1109a86d4s:
• 4 643961b8da111c0a15d770a1109a86d4:

• Phono: 30 - 15,000 Hz, ± 0.2 dB
• High Level: 10 - 50,000 Hz (+0 dB, -1 dB)
• amplifier: 5 - 100,000 Hz

• Phono: 75 dB
• High Level: 90 dB
• amplifier: 100 dB

• Bass:
  • 50 Hz: ± 5 dB
  • 100 Hz: ± 10 dB
• height:
  • 10 kHz: ± 10 dB
  • 20 kHz: ± 5 dB

• 50 Hz: ± 5 dB
• 100 Hz: ± 10 dB

• 10 kHz: ± 10 dB
• 20 kHz: ± 5 dB

• channels: FM/MW
• frequency:
  • FM: 88 - 108 MHz
  • MW: 535 - 1605 KHz
• input sensitivity:
  • FM: 1.5 µV
  • MW: 15µV
• frequency response: 30 - 15,000 Hz (+0.3 dB, -1 dB)
• total harmonic distortion:
  • FM, 1 kHz: < 0,1% (Mono), < 0,2% (Stereo),
• signal-to-noise ratio:
  • FM: 80 dB (Mono), 74 dB (Stereo)
  • MW: 55 dB
• channel separation: 50 dB (1kHz)
• selectivity: 83 dB
• frequency selection: 1.0 dB
• in addition to the wave selection:
  • FM: 83 dB
  • MW: 40 dB
• mirror frequency attenuation:
  • VHF: 110 dB
  • MW: 65 dB
• ZF-loss:
  • FM: 120 dB
  • MW: 85 dB
• ON-suppression: 60 dB

• FM: 88 - 108 MHz
• MW: 535 - 1605 KHz

• FM: 1.5 µV
• MW: 15µV

• FM, 1 kHz: < 0,1% (Mono), < 0,2% (Stereo),

• FM: 80 dB (Mono), 74 dB (Stereo)
• MW: 55 dB

• FM: 83 dB
• MW: 40 dB

• VHF: 110 dB
• MW: 65 dB

• FM: 120 dB
• MW: 85 dB

• Pre - and power amplifier can be separated (Main In/Pre Out)
• microphone (6.3 mm

• Jack) and The black Version:
  • Pioneer SX-5 590

• Pioneer SX-5 590

• Other models from the same series:
• Pioneer SX-4 50
• Pioneer SX-5 50
• Pioneer SX-6 50
• Pioneer SX-7 50
• Pioneer SX-8 50
• Pioneer SX-9 50
• Pioneer SX-1050
• Pioneer SX-1250

• The SX-1250 is the largest Receiver of the SX-x50-series.

• Picture: Pioneer SX-1250

• Picture: Pioneer SX-1250

• Device presentation at good-old-hifi: [1]

• External link: Website "Hifi Archive": [2]

• External link: Website "Hifi Studio": [3]

• External link: Website "Pioneer Vintage": [4]

• External link: Website "Classic Audio": [5]

Comment:

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