Nikko TRM-230

Data

General

• Manufacturer: Nikko
• Model: TRM-230
• Type: Integrated amplifier
• Years of manufacture: 1971 - 1973
• Made in: Japan
• Color: front silver, cabinet wood (walnut?)
• Remote control: no
• Power consumption: 120 W (max)
• Dimensions: 320 x 115 x 240 mm (WxHxD)
• Weight: 4,8 kg
• Original price approx.: 450 DM

Connections

• Number of inputs: 5 (all DIN)

2x Phono, MM (1.8 mV / 50 kOhm)

• • Tuner, Aux, Tape (200 mV / 100 kOhm)
  • Tape Front (switchable with rear panel)
  • Main in (850 mV / 150 kOhm).
• Number of outputs:
  • Headphones (6.3mm jack)
  • Tape (rear / front)
  • 2 speaker pairs (DIN plug)

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2x 16 W (1%, 100 Hz); 2x 14 W (1%, 40 Hz - 20 kHz); 20 W (one channel)
  • 4 Ohm: 2x 16 W (1%, 100 Hz); 2x 14 W (1%, 40 Hz - 20 kHz); 20 W (one channel)
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 1% at rated power, 0.2% / 1 W
• Attenuation factor: 25 at 8 Ohm
• Frequency response: 20 Hz - 30 kHz ±1 dB
• Signal-to-noise ratio: phono 60 dB / high level 75 dB.
• Tone control:
  • Bass: ±10 dB at 70 Hz

Treble: ± 10 dB at 10 kHz

• Loudness: -30 dB, +10 dB at 70 Hz, + 5 dB at 10 kHz
• Subsonic: Low Filter -3 dB at 50 Hz

High Filter: -3 dB at 7 kHz

• Mute: no
• Direct/Line-Straight: no
• Stereo Channel Separation:

Special Features

• 18 transistors, 4 diodes. Switchable AC output only for 110 V model

Remarks

• Other models in the same series:
• Nikko TRM-120
• Nikko TRM-210
• Nikko TRM-230
• Nikko TRM-500
• Nikko TRM-600
• Nikko TRM-800
• Nikko TRM-1200

Pictures

• Image: Nikko TRM-230

• Image: Nikko TRM-230

• Image: Nikko TRM-230 interior view

• Image: Nikko TRM-230, TRM-500, TRM-600

Links

• http://audio.mezei.fr/pages/NikkoTRM230.html