11
5.0 p e r f o r m a n c e t e s t s
5.1. Test equipment required
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
Equipment
True RMS multimeter
Audio analyser
Oscilloscope
Output loads
Shorted phono plugs
Various leads
Figure 5.1 Performance test set-up. Connections for left channel shown, repeat connections for right channel.
+
±
8
Ω
Load
AC Power Input
Oscilloscope
Audio analyser
Output
Input
Ch 1
Ch 2
CD I/P
Scope Probe
Summary of Contents for 8000S
Page 1: ...service manual Integrated amplifier 8000S ...
Page 25: ...25 7 0 c i rc u i t s c h e m a t i c s 7 9 Digital system interface schematic SCH26701 03 01 ...
Page 27: ...27 7 0 c i rc u i t s c h e m a t i c s 7 11 Relay coils schematic SCH26701 05 01 ...
Page 28: ...28 7 0 c i rc u i t s c h e m a t i c s 7 12 Front panel schematic SCH26702 01 01 ...
Page 29: ...29 7 0 c i rc u i t s c h e m a t i c s 7 13 Speaker outputs schematic SCH26703 01 01 ...
