Amplificator Dual CR 1750

Amplificator Dual CR 1750: 5 intrari, 4 iesiri, 4-16 ohmi, 380W consum, 2x50W RMS, afisaj, radio, reglaje bass, inalte, balance, loudness, low filter,  loudness, poze reale.

General

• Manufacturer: Dual
• Model: CR 1750
• Years of manufacture: 1979 - 1981
• Made in: Japan
• Color: Metallic silver, Metallic brown
• Remote control: no
• Power consumption: 450 W (at rated power)
• Dimensions: 440 x 150 x 405 mm (WxHxD)
• Weight: 14 kg
• Original price approx.: 1'198 DM

Connections

• Number of inputs:
  • Phono (MM): 1.5 mV / 47 kOhm
  • AUX, Monitor In, 2x Tape In: 150 mV / 470 kOhm
  • Main In
• Number of outputs:
  • 2x Tape Out, Monitor Out: 320 mV, DIN 10 mV
  • Pre Out
  • Headphones (6.3 mm jack, front)
  • 2 pairs of speakers

Technical Data

Amplifier

• Continuous power (at distortion)

8 Ohm: 2x 50 W

• • 4 Ohm:
• Dynamic power
  • 8 Ohm: 2x 75 W
  • 4 Ohm:
• Total harmonic distortion: 0,04 %
• Attenuation factor: > 20
• Frequency response:
  • 10 - 60,000 Hz (DIN 45 500)

10 - 40,000 Hz (±1.5 dB)

• Signal-to-noise ratio: (DIN, nominal power)
  • Phono: > 65 dB

High level: > 85 dB

• Stereo channel separation:
• Tone control:
  • Bass: yes, ±15 dB at 50 Hz

treble: yes, ±15 dB at 15 kHz

• Loudness: yes
• High Filter: yes, -3dB at 8.5 kHz (12 dB/oct)
• Low Filter (Subsonic): yes, -3dB at 70 Hz (12 dB/oct)
• Mute: yes
• Direct/Line-Straight:

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 87.5 - 104.05 MHz

MW: 513 - 1,602 kHz

• Frequency response: 40 - 12,500 Hz
• Input sensitivity:
  • FM: 0.6 µV (mono), 18 µV (stereo).

MW: 15 µV

• Distortion factor: 0.3% (mono/stereo)

Signal-to-noise ratio: 60 dB (mono/stereo)

• Channel separation:
• Selectivity: 85 dB
• Co-wave selection:
• Spurious wave selection:
• Image frequency attenuation: 75 dB
• IF attenuation: 100 dB
• AM suppression:
• Output level: for TB(1kHz,5mV at phono input) at cinch-> 320mV; at DIN(10kOhm)-> 10mV.

RDS: no

• Station memory: 6