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Operation
Listening at Higher Volumes
It requires more power to achieve a rea-
sonable volume of sound in a large room
than it does in a small room. It is possi-
ble (even if you are not a teenager) to
turn the volume so high that the amplifi-
er
runs out of power
. This creates “clip-
ping” distortion.
Clipping distortion makes treble sound
very harsh and unmusical. When you hear
harsh sounding treble from any good
speaker, turn the volume down immedi-
ately! Those harsh sounds are masking
some much more powerful ultra-high-fre-
quency sound spikes which will quickly
damage any fine loudspeaker. You are
much less likely to damage a speaker with
a large amplifier because it will be very
loud indeed before it produces any clip-
ping distortion.
Cleaning
You can clean the speaker with a damp-
ened soft cloth or paper towel. If the
speaker is mounted high up on a wall or
ceiling, use a broom to gently brush it off.
Specifications
Model BG-525
Driver Complement
5 1/4” woven fiber full-range PointSource
TM
driver
Design Principle
Infinite baffle for large and varying air
volumes
Recommended Amplifier Power
Five to Fifty watts per channel
Nominal Impedance
8 Ohms
Frequency Response
100 Hz to 12,000 Hz, plus or minus 5 dB
(on axis)
Sensitivity
89 decibels for 2.83 volts of Pink Noise,
measured at 1 meter on axis
Overall Exterior Frame Dimensions
7 1/8” x 9 7/8”
Depth Behind Wall
1 7/8” (Assumes 1/2” drywall)
Wall Cut-Out Dimensions
6 1/4” x 9”
Wiring Requirements
We recommend 16 to 18 gauge for up to
80 feet, 14 gauge for up to two hundred
feet. Connectors accommodate 14 to 22
gauge wire.
18
Specifications