Dual - CR 1730 'Slimline microprocessor-controlled' Solid state stereo receiver

Very good sounding Dual:

The Dual CR-1730 is a solid, classic hi-fi stereo receiver built between 1979 and 1981. Unlike many older models from the well-known German brand Dual, this particular model was manufactured in Japan at the time. The receiver is known for its sleek, timeless design and discreet amplifier build-up and very reliable quality.
Also soundwise it's performs very good due a very good phono pre-amp with selectable sensitivity.
The tuner section will be off when an other selection is made (aux, phono, tape)
It has convenient versatile RCA and Din plugs on the back.
It's clean in and outside.
Bias set correct.
Contacts are clean.

Key specifications

Power: Continuously delivers 2 x 55 watts (at 4 ohms) or 2 x 42 watts (at 8 ohms) DIN output power. The music power is 2 x 75 watts.


Tuner: Equipped with an analog tuner for FM (UKW), medium wave (MW) and long wave (LW), combined with a striking digital channel display and 5 manual preference keys.

Connections: Features inputs for Phono (MM), two Tape connections (including a convenient 6.3 mm jack connection on the front panel) and an AUX port. Two pairs of speakers can be connected.

Sound control: Equipped with extensive bass and treble controllers (both ± 14 dB), balance, loudness function and separate high and low filters.

Size & Weight: Dimensions are 440 x 112 x 400 mm (w x h x d) with a net weight of 9 kg.

Manufacturer: Dual
Model: CR 1730
Years of construction: 1979 - 1981
Made in: Japan
Color: metallic silver, metallic brown
Remote control: no
Power consumption:
Dimensions: 440 x 112 x 400 mm (WxHxD)
Weight: 9 kg
New price approx .: 698 DM

connections:
Phono
AUX (DIN)
Monitor In (Cinch)
Number of exits:
2x tape out, monitor out
Headphones (6.3 mm jack, front)
2 pairs of speakers

Technical specifications

amplifier

Continuous output (according to DIN)
8 ohms:
4 ohms: 2 x 55 W.
Musical performance
8 ohms:
4 ohms: 2 x 75 W.
Total harmonic distortion: 0.08% (2x 35 W, 1 kHz)
Damping factor:> 20
Frequency response:
10 - 30 kHz (DIN 45 500)
10 - 40,000 Hz (± 1.5 dB)
External voltage distance: (DIN, nominal power)
Phono: 65 dB
High level: 62 dB
S / N ratio:
Phono: 80 dB
High level: 90 dB
Crosstalk attenuation:
between the channels:> 50 dB
between the inputs:> 65 dB
Tone control:
Bass: yes, ± 14 dB at 40 Hz
Treble: yes, ± 14 dB at 15 kHz
Loudness: yes
High filter: yes, - 3 dB at 6.5 kHz (12 dB / octave)
Low filter (subsonic): yes, - 3 dB at 50 Hz (12 dB / octave
Carefully shipped