The dbx Model 140 is a two-channel compressor/expander providing minimum 30 dB broadband audio noise reduction with a 10 dB increase in system headroom. It features independent encode and decode circuitry for recording live announcements or studio productions on cartridges, eliminating tape hiss without audible breathing or pumping.
| Input Impedance (Balanced) | 75 kohm |
|---|---|
| Frequency Response | 30 Hz to 20 kHz |
| Warranty Period | Two years |
No, there are no pilot tones or routine calibration procedures necessary for its use.
The unit requires a connection to an 117 VAC, 50 or 60 Hz AC power source.
Yes, it may be used as a playback-only device to decode dbx encoded discs or tapes for broadcast.