Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A++
Text excerpt from page 5 (click to view)
Power Amplifier
Reference 7540a/7541a
APPLICATIONS � 7540a/7541a
The 7540a/7541a can be set up for stereo 4-channel, 3-channel or bridged 2-channel operation, as shown in Figures 7 through 9. NOTE: For simplicity, Figures 7 through 9 do not show power, remote and input connections. NOTE: Minimum speaker impedance for stereo operation is 2 ohms. Minimum speaker impedance for bridged operation is 4 ohms. NOTE: �Bass Boost� only affects rear channels.
Figure 7.
7540a/7541a amplifier in 4-channel (stereo) operation to drive front and rear full-range speakers.
Figure 8.
7540a/7541a is set up for 3-channel operation to drive a set of full-range speakers and a subwoofer.
Figure 9.
7540a/7541a used in bridged 2-channel mode to drive a set of components or subwoofers.
