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