TROUBLESHOOTING
There is no power
Ensure the AC power cord is connected securely.
Ensure the plug is fully inserted into the wall socket and is switched on. Check fuse in the mains plug or adaptor
There is no sound
Make sure the unit is not in Standby mode
Check that source component is properly connected
Check that 'TAPE MON' is not switched on (unless tape input is required) Check that your speakers are properly connected
If using Speaker B terminals check they are switched on If channel LED is flashing turn mute off
There is no sound on one channel
Ensure that balance control is in the correct position
Check speaker connections
Check interconnects
There is a loud buzz or hum
Check turntable or tone arm for ground and connection lead fault Ensure no interconnects are loose or defective
Ensure that your tape deck/turntable is not too close to the amplifier
Unable to make or play tape recordings
Check that TAPE MON and TAPE OUT have been connected correctly
There is weak bass or diffused stereo imaging
Ensure that speakers are not wired out of phase
Will not switch out of standby - protection LED flashing
Please see section on CAP5 protection system
Protection LED flashing
Please see section on CAP5 protection system (page 12)
SPECIFICATIONS
| 540A | 640A |
Power Output | 75W (into 4Ω) | 100W (into 4Ω) |
Max Power | 50W (into 8Ω) | 65W (into 8Ω) |
|
| |
Consumption | 515W | 615W |
Standby Power |
|
|
Consumption | 6W | 6W |
THD (unweighted) | 1kHz < 0.009% | 1kHz < 0.005% |
| 20kHz < 0.09% | 20kHz < 0.07% |
Freq Response | 5Hz - 50kHz | 4Hz - 80kHz |
S to N Ratio (unweighted) | 92dB | 92dB |
Slew Rate (into 8Ω) | 30V/uS | 50V/uS |
Dimensions (HxWxD) | 100 x 430 x 310 | 100 x 430 x 310 |
mm | ||
inches | 3.9 x 16.9 x 12.2 | 3.9 x 16.9 x 12.2 |
Weight | 7 | 7 |
kg | ||
Lbs | 15.4 | 15.4 |
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