DBX CX-3
¥ 120,000 (released in 1986)
Commentary
Multi-function control amplifier with built-in surround processor.
With a built-in surround function, you can choose from three positions : Dolby surround, Matrix surround, or Simulated Stereo which adds breadth and depth to mono source.
Also, the Dolby input can be calibrated with the rear panel knob.
The surround function can be bypassed.
It has an external surround processor input and can be connected to an external surround processor.
Equipped with 3-band split tone control.
Audio and video signals are completely isolated to eliminate mutual interference.
Each of the phono equalizer, tone controller and surround processor is equipped with a power regulator to eliminate interference between circuits.
Each video circuit is equipped with a buffer amplifier to reduce video buzz and pop noise.
Model Rating
Type | Control amplifier |
Phono MM:2.5mV Phono MC:0.25mV CD, Line, Tape : 200 mv |
|
Maximum allowable input | Phono MM:150mV Phono MC:15mV |
Input impedance | Phono MM : 47k Ω Phono MC : 100 Ω CD, Line, Tape : 30k Ω |
Frequency characteristic | Phono MM : 20 Hz to 20 kHz ± 0.25 dB CD, Line, Tape : 10 Hz to 50 kHz + 0 -1dB |
S/N ratio (IHF-A) | Phono MM : 85 dB or more Phono MC : 67 dB or more CD, Line, Tape : 100 dB or more |
Total harmonic distortion factor | Phono MM : 0.01% (20 Hz to 20 kHz, 3 V) Phono MC : 0.02% (20 Hz to 20 kHz, 3 V) CD, Line, Tape : 0.008% (20 Hz to 20 kHz, 5 V) |
Maximum output level | 8 v (20 Hz ~ 20 kHz) |
Output impedance | 600 Ω |
Tone control | Bass : + / - 10 dB Mid : ± 10 dB Treble : + / - 10 dB |
Infrasonic filter | -3dB (-6dB/oct) at 15 hz |
Surround part | Dolby Surround Delay time : 20 ms Total harmonic distortion rate : 0.2% (1 kHz) |
Pwer | 100 VAC, 50Hz/60Hz |
Power consumption | 11W |
External dimensions | Width 475x Height 99x Depth 343 mm |
Weight | 7.2kg |