INSTRUCTION MANUAL
A-258SB Version 1.0
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A-258SB
WARNING:
Installation by qualified personnel only.
Speakers must be wired in parallel and connected to
the correct line terminals of amplifier.
Ensure that all speakers have the same polarity with
respect to each other.
Do not select another tapings if the speaker is in use.
No naked flame sources, such as lighted candles,
should be placed on the apparatus
.
CEILING SUBWOOFER
SPECIFICATIONS
Step 1 – Cutout the hole size,
either by tracing the cardboard cutout template or with a circular cutter set to the cutout size.
Step 2 – Remove speaker’s grille, select 8
or 100 V and connect the speaker to amplifier.
Step 3 – Insert the speaker into the ceiling and tighten.
Insert the speaker into the ceiling as far as it goes, until the front rim
touches the ceiling. Turn the attachment screws CLOCKWISE to tighten the mounting tabs. The first ¼ clockwise turn
rotates the attachment tabs outward and the remaining turns tighten the tabs down onto the back of the ceiling surface.
DO NOT OVERTIGHTEN.
Paso 4 – Reinstall speaker’s grille.
Model
A-258SB
Loudspeaker
8”
Rated Power (RMS)
50 W (100 W program)
Power Selection
100 V, OFF, 8
(selector)
Impedance
200
– 8
Sensitivity
90 dB SPL at 1 W, 1 m & 1 kHz
Sound Pressure
107 dB SPL at 50 W, 1 m & 1 kHz
Frequency Range
50 ~ 200 Hz
Cutout Size
Ø 250 mm
Ceiling thickness
10 ~ 35 mm
Dimension (mm)
Ø 280 x 192 (depth)
Weight
4 kg
Finish
ABS, metallic grille
Colour
White RAL9003
Mounting
Rotary tabs
INSTALLATION GUIDE
