Pioneer ER-420

Data

General

• Manufacturer: Pioneer
• Model: ER-420 (LX-420 A with LW)

Type: Tube Receiver

• Years of manufacture: around 1966 - 1970
• Manufactured in: Japan
• Color: Silver / Black
• Power consumption: 154 W
• Dimensions: 445 x 150 x 400 mm (WxHxD)
• Weight: 15.7 kg
• Original price approx.: 210 US-$ (USA, 1966), 898 DM

Connections

• Number of inputs:
  • Phono ceramic: 29 mV
  • Phono MM: 2,7 mV
  • Tape, Aux: 200 mV
  • Tape Head: 1,8 mV
• Number of outputs:
  • Tape
  • Headphones
  • Loudspeaker

Technical Data

Amplifier

• Continuous power (at distortion)

8 Ohm: 2x 15 W 4 Ohm: 2x 15 W

• Dynamic power
  • 8 Ohm: 40 W
  • 4 Ohm: 40 W
• Total harmonic distortion: < 1% (1 kHz)
• Attenuation factor:
• Frequency response: 20 - 20,000 Hz (± 1 dB).
• Signal to noise ratio:
  • Phono Mag: > 68 dB
  • High level: 75 dB
• Tone control:
  • Bass: ± 14 dB from 50 Hz
  • Treble: -13/+11 dB from 10 kHz
• Loudness: yes, + 15 dB at 50 Hz, + 8 dB at 10 kHz
• High Filter: yes, 14 dB at 10 kHz
• Low Filter (Subsonic): yes, 6 dB at 50 Hz

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 88 - 108 MHz
  • MW: 535 - 1605 KHz
• Input sensitivity:
  • FM: 2.0µV
  • MW: 20µV
• Frequency response:
• Distortion Ratio:
• Signal-to-noise ratio:
  • FM: 55 dB
• Channel separation: 35 dB
• selectivity:
  • FM: 35 dB
• Co-wave selection:
• Spurious wave selection:
• IF attenuation: 50 dB
• IF attenuation:
• AM suppression:

Special Features

• Last generation tube receiver

Remarks

• Other models in the same series:
  • Pioneer ER-420
  • Pioneer LX-34 B
  • Pioneer LX-420 A
  • Pioneer LX-300
  • Pioneer LX-800
  • Pioneer SX-34 B
  • Pioneer SX-300 TF
  • Pioneer SX-440
  • Pioneer SX-700 TF
  • Pioneer SX-800
  • Pioneer SX-800 A
  • Pioneer SX-1000 TA
  • Pioneer SX-1000 TD
  • Pioneer SX-1500 T

Pictures

• Image: Pioneer ER-420

• Extract from brochure: Pioneer ER-420