AR 60S1G6, Operating And Service Manual

Page: 43 / 46

Model 60S1G6
Rev C 27
7. If the response of the output stages (i.e., A3 Quad Amp input to front panel RF output) is normal, check
the response of the A2 Quad Amp (see Figure 4-6).
Figure 4-6. Typical Quad Amp Response
NOTE: The A1 Preamplifier’s response may differ considerably, particularly in flatness, from the typical
response shown in Figure 4-7.
8. The typical response for the A1 Pre-amplifier is shown in Figure 4-7.
Figure 4-7. Typical A1 Preamplifier Response