Audio Precision Testing - Classe Audio Delta Series Service Manual

7. Record the results.
Step 2
1. Disconnect the cable in the IR IN receptacle on the EUT
2. Connect the 02100A-13 (with no attachments) to the RETURN receptacle of the HYPOT III and make sure
the aluminum ground bar is securely attached to the EUT heat sink with two standoffs. Then attached the
alligator clip of the 02100-13 cable to the bar.
3. Power on the HYPOT III.
4. Push the "Menu" button on the HYPOT III.
5. Push the "Memory" button once. The location should read M1-1. If not push MENU and then MEMORY to
step to the correct location.
6. Push "exit" then "TEST".
7. Record the results.
Protective earthing connection test
Step 1
1. Hook up DUT Adapter as per Figure 2.
2. Plug in an AC power cord (3-Prong Plug) to the Device Under Test Adapter
(DUT) and EUT,
3. Power on the HYAMP III.
4. Make sure the display of the HYAMP III shows M0-1. If not push MENU and then MEMORY to step to the
correct location.
5. Push "TEST".
Record the results

Audio Precision Testing

Run the application "Classe Testing Procedure S1" on Audio Precision System One or "Classe Testing
Procedure S2" on Audio Precision System Two Cascade Plus. Select the "Startup Testing" option and enter
the amplifier's serial number. Select the AUTOMATIC testing option and connect the balanced inputs and
speaker outputs as indicated on the pop-up window. Save all test results when prompted.
When finished, run the Power-Bandwidth (4 ohms) test and save the results.
Verify that all measurement results are within the acceptable limits.
Balanced input:
Gain:
Bandwidth:
CA(P)2100 AMP Service Manual v1.4 inc voltage change info .doc
29.1dB
<10Hz-22kHz (-0.1dB)
<10Hz-148kHz (-3dB)
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