The dbx Model 180 is a Type I tape noise reduction system that provides two channels of encode and decode processing. It offers over 30 dB of broadband tape noise reduction and improves headroom by 10 dB during recording, making it suitable for stereo program monitoring and high-quality analog or digital master recordings.
| Noise Reduction | in excess of 30 dB broadband tape noise reduction |
|---|---|
| Headroom Improvement | simultaneous 10 dB improvement in headroom |
| Impedance Drive | 600 ohm or greater impedance lines to +24 dBm |
| Rack Space | single 1-3/4 in (44.5 mm) rack space |
| Power Input | nominal 117 V AC mains (50 Hz or 60 Hz) |
No, it will not remove hiss that is already present on an existing recording or reduce hiss on a tape recorded without Type I encoding.
No, no special calibration procedures or test tones are required to use dbx noise reduction.