Performance Tests; Test Equipment Required - Audiolab 8000S Service Manual

5.0 p e r fo r m a n c e t e s t s

5.1. Test equipment required

Equipment
True RMS multimeter
Audio analyser
Oscilloscope
Output loads
Shorted phono plugs
Various leads
Audio analyser
Output
Figure 5.1 Performance test set-up. Connections for left channel shown, repeat connections for right channel.
Specification
Accuracy better than 0.5% in V and mV ranges
Able to measure
• distortion to 0.001% with 200Hz high pass filter
• signal to noise ratio greater than 95 dB with IHF
A-weighted filter
20 MHz, dual channel
8 Ω (125 W) and short circuit
2 off
Input
CD I/P
Oscilloscope
Ch 1 Ch 2
±
+
8 Ω Load
AC Power Input
Scope Probe
11