Crown Audio Power-Tech 1.1 Wire Your System, Stereo Mode, Bridge-Mono Mode, Parallel-Mono Mode

Power-Tech .1 Series Power Amplifiers

3 Setup

3.6 Wire Your System

Turn down the Level controls (fully counter- clockwise) and turn off the amplifier before wir- ing it as described below. Refer to Figure 3.6.

3.6.1 Stereo Mode

Set the back panel stereo/mono switch to Stereo.

INPUTS: Connect input wiring to both channels.

OUTPUTS: Maintain proper polarity (+/–) on output connectors.

Connect Channel 1 positive (+) speaker load to Channel 1 positive terminal of amp; repeat for negative (–). Repeat Channel 2 wiring as for Channel 1.

3.6.2 Bridge-Mono Mode

Set the back panel stereo/mono switch to Bridge-Mono.

INPUTS: Connect input wiring to Channel 1 only.

OUTPUTS: Connect the speaker across the posi- tive terminals of each channel. Do not use the negative terminals when the amp is being oper- ated in Bridge-Mono mode.

NOTE: The Channel 2 level control should be set fully counter-clockwise when oper- ating the amplifier in Bridge-Mono mode.

3.6.3 Parallel-Mono Mode

CAUTION: Parallel-Mono wiring requires installation of a jumper wire. Do not switch to Stereo or Bridge-Mono mode until this output jumper wire is removed.

IMPORTANT: The Channel 2 IOC indicator will remain lit when operating in Paral- lel-Mono mode.

Set the back panel stereo/mono switch to Parallel-Mono.

INPUTS: Connect input wiring to Channel 1 only.

OUTPUTS: Add a 14 AWG gauge (or larger) jumper between the red(+) Channel 1 and Chan- nel 2 binding posts. Connect the speaker posi- tive (+) lead to the Channel 1 red (+) terminal. Connect the speaker negative (–) lead to the Channel 1 black (–) terminal.

NOTE: Use only the Channel 1 level con- trol.

NOTE: Crown provides a reference of wiring pin assignments for commonly used connector types in the Crown Amplifier Application Guide, available online at www.crownaudio.com.

Figure 3.6 Three System Connection Methods

page 8 Operation Manual