PIONEER SA-420

• Manufacturer:   Pioneer
• Model: SA-420
• Year of construction: 1981/1982
• Manufactured in: Japan
• Color: silver
• Type: Analog
• Remote Control: no
• Power consumption: 150 W (max)
• Dimensions: 420 x 94 x 267 mm (W x H x D)
• Weight: 4.6 kg
• Price about:

Connections

• Number of Inputs: 4
• Phono 1: 3 mV, 50 kOhm (MM), 56 mV, 100 ohms (CER)
• Tuner, 230 mV, 200 kOhm
• AUX: 230 mV, 200 kOhm
• Tape: 230 mV, 200 kOhm
• Microphone: 2.3 mV, 25 kOhm
• Main In: 560 mV, 100 kOhm
• Number of Outputs:
• Tape Rec (RCA): 230 mV
• Tape Rec (DIN): 35 mV
• Pre Out: 3 V (nominal), 5 V (max)
• 2x speakers (4 - 16 ohms)

Specifications

• Power (at THD)
• 8 Ohm: 2x 21 (0.1%) / 28 (DIN) Watts
• 4 Ohm: 2x 39 W?
• Dynamic power
• 8 Ohm:
• 4 Ohm:
• THD:
• Preamplifier: <0.1%
• Amplifier: <0.5%
• Damping Factor: 65 (8 ohms, 1kHz)
• Frequency response:
• Preamplifier: 20 - 60.000Hz (± 1dB)
• Amplifier: 5 - 80.000Hz (± 1dB)
• Signal to noise ratio: > 80 dB
• Stereo separation:
• Tone control:
• Bass: -9 dB, +12 dB (100 Hz, 3 dB steps)
• Treble: -12 dB, 9 dB (10 kHz, 3 dB steps)
• Loudness: Yes, +11.5 dB (100 Hz), +6.5 dB (10 kHz)
• High Filter: -3 dB (6 kHz, 12 dB / oct. )
• Low filter (subsonic): -3.5 dB (60 Hz, 12 dB / oct. )
• Mute: Yes, -20 dB

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