Adastra IW30 User manual
IW30 / IW60
In-wall Stereo Amplifier
Item ref: 953.092UK, 953.094UK
User Manual
Version 1.0
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
953.092UK, 953.094UK User Manual
Introduction
Thank you for choosing the Adastra IW30 / IW60 in-wall amplifier for your discreet audio
installation. This unit is designed to power wall or ceiling mounted speakers from a stereo
line input. Please read this manual to gain the best results from your product and avoid
damage through misuse.
SAFETY SYMBOL AND MESSAGE CONVENTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS
RISQUE DE CHOC ELECTRIQUE NE PAS
OUVRIR
This symbol indicates that dangerous voltage constituting a risk of electric shock is
present within this unit
This symbol indicates that there are important operating and maintenance instructions in
the literature accompanying this unit.
Warning
To prevent the risk of fire or electric shock, do not expose any components to rain or moisture.
If liquids are spilled on the casing, stop using immediately, allow unit to dry out and have checked by
qualified personnel before further use. Avoid impact, extreme pressure or heavy vibration to the case.
No user serviceable parts inside –Do not open the case –refer all servicing to qualified service
personnel.
Safety
•Check for correct mains voltage before connecting the power adaptor
•Use only the power adaptor provided or an identical replacement
Placement
•The amplifier can be installed in a ceiling or stud wall to power flush or surface mount speakers
•The amplifier unit can also be surface mounted if necessary
•Ensure adequate ventilation for cooling and keep away from combustible material or moisture
Cleaning
•Use a soft cloth with a neutral detergent to clean the housing as required
•Use a vacuum cleaner to clear apertures and controls of any dust or debris build-ups
•Do not use solvents for cleaning the unit
953.092UK, 953.094UK User Manual
Connections
Installation
Locate the amplifier unit in the ceiling, wall or on the surface required. Tabs at each end of
the housing can be used for securing with screws.
Connect speakers using the supplied wires or equivalent by connecting “+” and “-” on the
speaker to the relevant connection on the amplifier unit. The speaker connections are via
screw terminals on a Euroblock, which can be removed for easy access whilst making
connections.
Important: Ensure that the load is no lower than 4Ωfor each output.
(e.g. 2 x 4Ω speakers… or… 2 pairs of 8Ω speakers wired in parallel)
Ensure that the speakers can handle 15W from each output.
Connect the line level stereo input signal to the Euroblock terminals labelled “AUX IN” as
shown on the Connections diagram above.
Left positive connection (Left+) should be connected to “L”
Right positive connection (Right+) should be connected to “R”
Both negative connections (Left- and Right-) should be connected to “G”
(G is the terminal for Ground connection –common for both Left and Right signals)
Likewise, the Aux input can be relayed to further amplifiers by connecting a line level output
from the Euroblock terminals labelled “AUX OUT”
AUX IN and AUX OUT connections should be made using shielded stereo audio cable and
not speaker cable.
953.092UK, 953.094UK User Manual
Operation
When all connections are completed, make sure that the stereo input signal is turned down
and power up the amplifier by plugging in the supplied power adaptor to the 12Vdc input
from a 230Vac socket. Also power up any further amplifiers connected to the Aux output.
Gradually increase the input signal volume and check for output through the speakers.
Take care not to overdrive the input by turning the input signal up too high, which may
cause the sound to be distorted and subsequently cause damage to the speakers.
Power down the amplifier when not in use and isolate from the mains if not used for long
periods of time.
Specifications
Output: rms @ 4Ω
IW30: 2 x 15W
IW60: 2 x 30W
Power supply
12Vdc, 2000mA (adaptor included)
Minimum impedance
4Ωper output
Speaker outputs
L-/L+/R-/R+ screw terminals (Euroblock)
Auxiliary input
L/G/R screw terminals (Euroblock)
Auxillary output
L/G/R screw terminals (Euroblock)
Dimensions
124 x 40 x 27mm
Weight
60g (excluding power adaptor)
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as Electrical or
Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life.
The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted.
Copyright© 2019. AVSL Group Ltd.
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