Telefunken TRX 3000

Data

General

• Manufacturer: Telefunken
• Model: TRX 3000

Type: Quadraphonic Receiver

• Years of manufacture: 1978 - 1980
• Made in: Germany
• Color: Black
• Remote control: no
• Power consumption: 530 W max.
• Dimensions: 494 x 163 x 386 mm (WxHxD)
• Weight: 23,5 kg
• Original price approx.: 3'000 DM

Connections

• Number of inputs:
  • Phono 1, 2: 2.5 mV, 50 kOhm, max. 330 mV.
  • Aux 2-channel: 150 mV, 50 kOhm
  • Aux 4-channel: 150 mV, 50 kOhm
  • Tape Play 1, 2, 2-channel: 150 mV, 50 kOhm
  • Tape Play DIN, 2-channel: 150 mV, 50 kOhm
  • Tape Play 1, 2, 4-channel: 150 mV, 50 kOhm
  • Tape Play DIN, 4-channel: 150 mV, 50 kOhm
  • Discrete 4-channel: 150 mV, 50 kOhm
  • Main In:
  • Antenna (FM: 75, 300 Ohm, AM)
  • Microphone (6.3mm jack).
• Number of outputs:
  • Tape Rec 1, 2: 100 mV

Tape Rec DIN: 30 mV

• • Dolby NR Adapter:
  • Pre Out: 1 V
  • Headphones (6,3mm jack): 1x front, 1x rear
  • 3 speaker pairs front
  • 2 speaker pairs in the back

Technical Data

Amplifier

• Continuous power 4-channel (at distortion):
  • 8 Ohm: 4x 50 W (RMS, 20 Hz - 20 kHz, 0.4 %).
  • 4 Ohm: 4x 90 W
• Continuous power 4-channel (at distortion factor):
  • 8 Ohm: 2x 100 W (RMS, 20 Hz - 20 kHz, 0.4 %)
  • 4 Ohm: 2x 160 W
• Dynamic power:
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: < 0.04 %
• Attenuation factor: 10 at 8 Ohm
• Frequency response:
  • phono: 30 Hz - 15 kHz, ± 1 dB

High level: 15 Hz - 30 kHz, ± 1 dB

• Signal-to-noise ratio:
  • Phono: 70 dB
  • High level: 80 dB
• Tone control:
  • Bass: ± 10 dB at 50 Hz
  • Mid: ± 5 dB at 1 kHz

Treble: ± 10 dB at 10 kHz

• Loudness: + 8 dB at 50 Hz, + 3 dB at 10 kHz
• Treble filter: - 10 dB at 10 kHz, 6 dB / octave
• Subsonic: - 10 dB at 50 Hz, 6 dB / octave
• Mute:

Tuner

• Reception: FM, MW, LW, KW1, KW2
• Frequencies:
  • FM: 88 - 108 MHz
  • MW: 530 - 1,605 kHz

LW: 150 - 390 kHz

• • KW 1: 1.8 - 3.9 MHz
  • KW 2: 4.6 - 7.6 MHz
• Input sensitivity:
  • VHF: 1.8µV
  • MW: 15µV
• Frequency response: 30 - 15,000 Hz (+0.3 dB, -1 dB)
• Distortion factor:
  • FM, 1 kHz: < 0.06% (mono), < 0.08% (stereo).
• Signal-to-noise ratio:
  • FM: 72 dB (mono), 67 dB (stereo)

MW: 55 dB

• Channel separation: 50 dB (1kHz)
• selectivity: 80 dB
• Co-wave selection: 1.0 dB
• Spurious wave selection:
  • FM: 80 dB

MW: 35 dB

• Image frequency attenuation:
  • FM: 85 dB
  • MW: 65 dB
• IF attenuation:
  • FM: 100 dB
  • MW: 85 dB
• AM suppression: 55 dB
• Station memory: 7 + 1 for FM stations

Special Features

• Switch for 4-channel RM, SQ, Discrete / Stereo / Mono
• Midrange control
• Analogue varicap diode tuner with digital frequency display

Remarks

• Other models in the same series:
• Telefunken TRX 2000
• Telefunken TRX 3000

• [[Corresponding Tape Deck:
• Telefunken MC 3300

• Corresponding Turntable:
• Telefunken S 500
• Telefunken S 600

• Corresponding Loudspeaker:
• Telefunken TL 710
• Telefunken TL 800

• [[Corresponding Headphones:
• Telefunken TH 600
• Telefunken TH 700

Pictures

• Extract from brochure: Telefunken TRX 3000

Reports

• Report from "Hifi Museum": [[1]]