The document details the unboxing and initial setup of the dbx 1BX Series Three unit. It includes safety warnings regarding electric shock and voltage conversion settings, as well as a list of contents found in the packaging such as hookup cables and mounting brackets.
The guide explains how to connect the device into an audio system's tape-monitor loop between a preamp and a tape recorder. It covers typical hookups for standalone use and integration with dbx noise-reduction systems. The manual also describes the front panel controls, including Impact Restoration Level, Expansion level, Transition Level, and various mode buttons.
| Impact Restoration Range | +10 dB (upward only), program-dependent |
|---|---|
| Frequency Response | 20 Hz-20 kHz, any setting |
| Total Harmonic Distortion (THD) | 0.15% |
The maximum upward impact restoration is +10 dB, which is program-dependent.
A setting of 20% increases the program's dynamic range by that amount, up to a maximum of 12 dB upward.
The frequency response is from 20 Hz to 20 kHz with any setting.