Audio Pro b1.28 Specification Guide

Page of 1
Sub B1.28
B1.28 is a little, easily placed active subwoofer equipped 
with a long-throw frontfiring 8” bass element, a built-in 
175W ace-bass® amplifier and a downfiring AirFlow 49 
bass reflex port.
The result is a deep, powerful bass that connects cleanly 
with the listening area. The subwoofer has an auto-standby 
function and a constant-ON function. The low-pass filter is 
steplessly adjustable between 50 Hz and 100 Hz. Zero to 
180 degree phase adjustment. On the back of the speaker 
you will find both high- and low-level inputs, which make it 
connectible to all amplifiers and receivers. The subwoofer’s 
heavy-duty binding posts accept banana and spade plugs 
as well as bare wire.
Sub B1.28 is matched, design-wise, with all speakers in 
the Image series, complementing them with a pure, deep, 
powerful bass.
SUB B1.28
Type: Powered subwoofer with built-in ace-bass® 
amplifier, bass reflex
Amplifier: 175 W rms
Woofer: 8” long-throw
Frequency range: 27-100 Hz
Lo-pass filter: 50-100 Hz, variable 24 dB/octave
Hi-pass filter: 100 Hz, 6 dB/octave
Dimensions (WxHxD): 230x394x370 mm
Weight: 16,8 kg
Connectors: Line and speaker level input, heavy duty
binding posts and RCA-input
Adjustments: Auto standby, variable level adjustment, vari-
able frequency adjustment 50-100 Hz
Filter: Movie Adaptive Filter (MAF)
Cabinet: MDF
Finish: High-gloss laquer foil
Colors: Black or silver