BC4A
ACTIVE SPEAKER SET
Order ref: 170.145, 170.146
User Manual
Active + satellite stereo pair
Supplied with adjustable wall brackets
RCA or 3.5mm stereo inputs
2 x 8W output
Introduction
Thank you for choosing the BC4A active speaker set. Please read this manual prior to use to avoid
damage to the item.
These compact, self-contained stereo speakers are designed to deliver high quality near-field or
perimeter coverage for various monitoring and installed sound applications
Contents
Please take care when unpacking this product. Inspect for any damage and ensure you have the
following components…
BC4A active speaker with built-in amplifier
BC4A passive satellite speaker
2 x wall-mounting brackets with screw caps
Satellite speaker wire – modular connector to bare ends
18Vdc mains adapter
Warning
To prevent the risk of fire or electric shock, do not expose this appliance to rain or moisture. To
prevent electric shock do not remove the rear cover. No user serviceable parts inside. Refer servicing
to qualified service personnel.
Safety
Prior to connecting the dc adaptor to mains, ensure that the supply voltage is correct.
Avoid ingress of water or particles into the enclosure.
Placement
Keep the unit out of direct sunlight and away from heat sources.
Keep the unit away from moisture or dusty environments.
Allow adequate space for cooling at the rear of the active speaker unit
Cleaning
Use a soft cloth with a neutral detergent to clean the cabinet, panel and controls.
To avoid damage, do not use solvents to clean this equipment.
170.145, 170.146 User Manual
Specifications
Power supply
18Vdc 1.0A adaptor (supplied)
Woofer
100mmØ (4“) reinforced paper cone
Tweeter
25mm balanced dome
Power rms
2 x 8W
Controls
Combined On/Off + volume rotary
Input connections
3.5mm stereo and L+R RCA
Frequency response
120Hz - 20kHz
Dispersion
150° (-3dB)
Dimensions (each)
155 x 220 x 148mm
Weight (per set)
2.79kg
Setting up
For near-field or desktop use, space speakers apart for adequate stereo separation depending on
proximity to the listener. For installations using the supplied wall-mount brackets, attach the brackets
to a solid surface using fixings which are sufficient to hold the weight of the active speaker. Take
care to mount the active unit close enough to a mains outlet for the supplied adaptor to reach.
Fix the speaker units to the brackets at top and bottom using the supplied screw caps. Each can be
rotated to aim the general direction of sound output.
If the speakers are mounted at height or where falling objects may be hazardous, it is advised to
attach a secondary means of support (e.g. drop-wire or chain)
Operation
Connect the bare ends of the supplied speaker wire to the spring terminals on the satellite unit.
Note: WHITE wire to RED terminal, BLACK wire to BLACK terminal
The other end of the speaker wire carries a modular connector which is to be plugged into the active
unit (will only plug in one way round)
With the rotary control set to “Off”, connect the supplied 18Vdc adaptor to the d.c. input jack on the
rear of the active unit and plug into a suitable mains outlet. Connect the source signal into the active
unit via either L+R RCA connectors or 3.5mm stereo jack input.
Gradually turn the rotary control clockwise to switch on the amplifier (Power LED will light) and
increase volume level to the required amount.
To switch off, turn the rotary control all the way down until it clicks and the Power LED goes out.
170.145, 170.146 User Manual
No output and Power LED not lit
Check rotary switch is not set to “Off”
Check mains adapter is connected and in good
condition
Check mains outlet is on
Power LED lit but no output
Turn up rotary control
Check signal lead is connected properly
Check sound source is playing
Sound output only from one speaker
Check speaker wire is connected from active to
satellite properly
Check signal lead is connected properly
Output is very low
Turn up rotary control
Check sound source is turned up
Output is too loud or distorted
Turn down rotary control
Check sound source output is not too high for
input
Troubleshooting
DISPOSAL:
Please dispose of the unserviceable device according to the current statutory requirement
Errors and omissions excepted.
Copyright© 2012. AVSL Group Ltd.
170.145, 170.146 User Manual
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