Phase Linear 400 - User Manual

Introduces the Phase Linear 400-Series Two as a state-of-the-art, high-power audio amplifier.

Explains the two voltage versions (120V/220-240V) and the corresponding fuse types.

Details the procedure for qualified technicians to change voltage settings and fuses.

Specifies using shielded cables only to connect source inputs.

Refers to using 18 gauge AC line cord to connect to speakers.

Connects preamp outputs to amplifier input jacks using shielded audio cable.

Guides correct speaker connection methods, wire gauge, and fusing.

Explains correct speaker phasing for optimal sound reproduction.

Simultaneous display of output voltage/power via LED arrays with dynamic range.

Individual controls for variable adjustment of amplifier gain.

Details LED display functionality, overload indication, and response characteristics.

Information on factory-installed power supply fuses (AGX 8) and replacement.

Recommends external speaker fuses for protection against high power output.

Optional contoured wood sides with brushed aluminum top cover.

Front panel for rack mounting with standard E.I.A. dimensions.

Fan kit for applications requiring enhanced cooling.

Details the dual-channel, direct-coupled power amplifier design and its stages.

Explains the function of the LED display system, including compression and dynamics.

Instructions for cleaning the front panel to maintain its appearance.

Guidelines for obtaining service and proper shipping procedures for the unit.

Details power output, THD, IM distortion, frequency response, and signal-to-noise ratio.

Covers displays, controls, protection, power requirements, dimensions, and weight.

Step-by-step guide to diagnose and resolve common issues with the amplifier.

Introduces the Phase Linear 400-Series Two as a state-of-the-art, high-power audio amplifier.

Explains the two voltage versions (120V/220-240V) and the corresponding fuse types.

Details the procedure for qualified technicians to change voltage settings and fuses.

Specifies using shielded cables only to connect source inputs.

Refers to using 18 gauge AC line cord to connect to speakers.

Connects preamp outputs to amplifier input jacks using shielded audio cable.

Guides correct speaker connection methods, wire gauge, and fusing.

Explains correct speaker phasing for optimal sound reproduction.

Simultaneous display of output voltage/power via LED arrays with dynamic range.

Individual controls for variable adjustment of amplifier gain.

Details LED display functionality, overload indication, and response characteristics.

Information on factory-installed power supply fuses (AGX 8) and replacement.

Recommends external speaker fuses for protection against high power output.

Optional contoured wood sides with brushed aluminum top cover.

Front panel for rack mounting with standard E.I.A. dimensions.

Fan kit for applications requiring enhanced cooling.

Details the dual-channel, direct-coupled power amplifier design and its stages.

Explains the function of the LED display system, including compression and dynamics.

Instructions for cleaning the front panel to maintain its appearance.

Guidelines for obtaining service and proper shipping procedures for the unit.

Details power output, THD, IM distortion, frequency response, and signal-to-noise ratio.

Covers displays, controls, protection, power requirements, dimensions, and weight.

Step-by-step guide to diagnose and resolve common issues with the amplifier.