AB International 1650 - User Manual

Details the output stage, bias, driver transistors, feedback, and protection.

Describes the modular concept, testing, and chassis construction for efficiency.

Specifies rack space, depth, and placement for optimal airflow and cooling.

Details voltage, frequency, and plug type for domestic (USA) power connections.

Explains how thermal protection circuitry automatically disconnects the amplifier to prevent damage.

Describes the dual fan system for enhanced cooling under demanding conditions.

Covers the power switch and the power-on LED indicator on the front panel.

Describes level controls, signal status, and clip indicators on the front panel.

Details 1/4" jack and XLR input connectors, noting balanced/unbalanced options.

Explains the switch used to eliminate ground loops between amplifier and preamplifier.

Describes the three-position switch for selecting input configurations (PARALLEL, STEREO, BRIDGED).

Details the use of five-way binding posts and precautions for wiring.

Covers fuse replacement guidelines and AC power cord connection.

Lists critical precautions for operation, including parallel outputs and cover removal.

Provides step-by-step instructions for setting up and operating the amplifier in bridged mono mode.

Lists technical specifications like crosstalk, damping factor, slew rate, and protection features.

Details heat sink, cooling, connectors, weight, controls, power input, and dimensions.