27
11.2.9 POWER SUPPLY UNIT. See 1.1
PSU MUST be a Regulated Switching AC/DC Adapter: CE/UL
Input: 100-240 VAC 50/60 Hz @ 100 mA
Output: 18VDC @ 0.5A
EDB-2 Input DC Plug Connections (L.P.S.)
Outer = +VE (Positive) /Inner = -VE (Negative)
EDB-2 Input DC Plug Dimensions
Centre Hole: 2.1mm Diam./Plug Diam: 5.5mm./Plug Length: 10mm
Use ONLY Headway Music Audio Ltd. supplied EDB PSU as in 1.1
Headway will NOT honour guarantees where incorrect Power Supplies
cause damage.
11.2.10 WEEE/RoHS – ENVIRONMENTAL REGULATIONS
WEEE Regulations & Environmental Disposal: Power Supplies,
Batteries and Pre-amplifiers should NEVER be randomly disposed of
in a bin or sent for landfill disposal. Pre-amplifiers should be repaired
or use local re-cycling and electronics collection schemes.
RoHS: Headway products are free of lead and other environmentally
damaging substances. (Conforms to RoHS regulations).
12 TROUBLE-SHOOTER CHECKLIST
12.1 AVOIDING ACOUSTIC FEEDBACK & ROOM RESONANCES
Turn the amplifiers, instruments and microphones down and turn off
when not in use.
If possible have instruments and microphones to the side of, off axis,
or behind speakers.
Check that you have "Range" control set in correct position to remove
unwanted low frequency amplification.
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