INSTRUCTION MANUAL
A-255DTM Version 1.0 1/1
A-255DTM
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 SPEAKER
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 – Pull the wiring through the cutout hole.
Step 3 – Connect the speaker wires. Please, ensure that the polarity is correct.
Step 4 – 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. DO NOT OVERTIGHTEN.
Model A-255DTM
Loudspeaker
Woofer 5,25” Kevlar
Tweeter 1,2” Titanium
Rated Power (RMS)
40 W at 8 Ω, 20 W at 100V
Power Taps 100V 20, 10 & 5 W
Impedance
500 Ω, 1 kΩ & 2 kΩ
Sensitivity 90 dB SPL at 1 W, 1 m & 1 kHz
Sound Pressure 103 at 20 W, 1 m & 1 kHz
Frequency Range 70 ~ 20.000 Hz
Cutout Size Ø 179 mm
Dimension (mm) Ø 196 x 75 (depth)
Weight 1,25 kg
Finish ABS, metallic grille
Colour White
Mounting Rotary tabs
INSTALLATION GUIDE
Tweeter Equalizer +3 dB/-3 dB