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blak Integrated Amplifier
Manual
If you suspect that your Roksan blak Integrated Amplifier is not operating properly, you
should check all the connections carefully. Pay particular attention to speaker phasing and
channel connections. Phono plugs should be fully inserted - a frequent cause of problems
is due to the phono plug surrounds not making proper contact. Below are some commonly
encountered problems with suggestions for possible cures. The list is not exhaustive: If you
have any unresolved problems, please consult Roksan or your appointed Roksan dealer or
distributor.
SYMPTOM
• No power
• No output on one or
both channels
• Very low sound output
• Poor speaker imaging,
lack of Bass output
• Hum from speakers
TROUBLESHOOTING
LIKELY CAUSE
• AC Mains lead not inserted
properly
• Unit not switched on
• Amplifier in standby mode
(LED on display)
• Missing or bad input
signal connection Incorrect
speaker connection
• Wrong input selected
• Loudspeakers connected
out of phase
• Amplifier muted or volume
set to 0
• Incorrect grounding
Roksan Audio Ltd
CLASSIFICATION: General Use
All specifications are liable to change without notice. E&OE
ROKSAN AUDIO
Roksan Audio Ltd, Jubilee Close, Townsend Lane, London, NW9 8TR, United Kingdom
Website: www.roksan.co.uk | email: info@roksan.co.uk
Tel: +44 (0)20 8900 6801 | Fax: +44 (0)20 8205 2644
Registered in England | Number: 3089229 | VAT Number: 719 3079 23 | Director: T Hashemi
SUGGESTED REMEDY
• Ensure AC Mains lead is
fully inserted
• Switch unit on (on the front
underside)
• Check that amplifier is out
of standby mode
• Check all input
connections
• Check speaker output
connections on rear panel
• Select correct input,
ascertain source is working
• Check polarity of speaker
connections (especially
important if Multi-wiring,
Multiamping)
• Check Mains polarity and
grounding on all connect-
ed equipment
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