System 4 - PH30.2 used in 4-channel mode with high-pass tweeters and bandpass midrange. Channels 1and 2 are configured high-pass for the main tweeters and channels 3 and 4, and 5 and 6 are configured bandpass for main midrange. Channels 4 and 6 are controlled by the 3/4 level control and crossover section. The amplifier is configured for a 2-channel input.
70A
left tweeter
right tweeter
left midrange
right midrange
System 5 - PH30.2 used in 4-channel mode with high-pass main speakers and low-pass subwoofers.Channels 1 and 2 are configured high-pass for front speakers and channels 3/4, and 5/6 are configured low-pass for bridged output subwoofers. The amplifier is configured for a 4-channel input. Front/rear fade adjusts subwoofer level.
70A
left satellite
right satellite