Audio Pro Subwoofer User Manual

1) USB charging connector
Only for the extra accessory
RX-100
2) Volume control
3) Low pass crossover control
(variable 50Hz - 100Hz)
8) Speaker Level output
(to satellite speakers)
9) ON/OFF indicator (Red)
10) Mains switch
11) Fuse ( T1AL)
12) Mains cord (230V)
WARNING !
To reduce the risk of electric shock, do not open or remove cover or back. Do not expose this appliance to rain or moisture. In case
of malfunction consult qualified service personel.
The exclamation point, within an equilateral triangle, is intended to alert
the user of the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the appliance.
The lightning flash with arrowhead, within an equilateral
triangle, is intended to alert the user of the presence of
uninsulated "dangerous voltage" within the product´s
enclosure; that may be of sufficient magnitude to constitute a
risk of electric shock to persons.
4) Phase switch
5) Standby switch
(Auto or ON)
6) Low level input (MONO)
from amplifier
7) Speaker Level input
(from amplifier)
English
CONTROLS AND INDICATORS
6
1
2
7
8
9
10
12
11
F
U
S
E
FREQUENCY
FUSE TYPE:
POWER ON OFF
180 00
LEVEL
PHASE
AUTO
50HZ
MIN
ON
100HZ
MAX
CAUTION:
ATTENTION:
R
L
SPEAKER
LEVEL
IN
OUT
RL
B1.40
DC OUT
5V 250mA
RX- 1 0 0
3
4
5
6

Audio Pro Subwoofer Specifications

Amplifier Specifications

amplifier output power	250 Watt
woofer size	10 inch

Frequency and Filters

frequency range	25-100 Hz
lowpass filter	50 - 100 Hz, 24 dB/octave
highpass filter	100 Hz, 6 dB/octave

Weight and Dimensions

width	355 mm
height	415 mm
depth	355 mm
weight	16.6 kg

Summary

Controls and Indicators Overview

USB Charging Connector

Connector for the optional accessory RX-100.

Volume Control

Adjusts the sound level of the subwoofer.

Low Pass Crossover Control

Variable control (50Hz - 100Hz) to match subwoofer to satellite speakers.

Phase Switch

Switches phase by 180 degrees to optimize subwoofer and satellite alignment.

Standby Switch

Selects between Auto standby or permanent ON mode.

Low Level Input (MONO)

Input for signal from amplifier's subwoofer-out.

Speaker Level Input

High-level input from amplifier speaker terminals.

Speaker Level Output

Output for connecting satellite speakers.

ON/OFF Indicator (Red)

Indicates subwoofer operation status: red light means on or standby.

Mains Switch

Switches the subwoofer amplifier ON or OFF.

Fuse (T1AL)

Protective fuse, rated T1AL 250V for 230V operation.

Mains Cord (230V)

Power cord for connecting to a 230V mains supply.

Safety Warnings and Symbols

Important cautions regarding electric shock risk and maintenance.

Introduction and Installation Guide

Product Overview

Welcome and general introduction to the Audio Pro subwoofer.

Understanding ace-bass Technology

Explanation of the ace-bass technique for improved bass reproduction.

Unpacking Instructions

Steps for unpacking the subwoofer and checking for any damages.

Connecting to Amplifier (Subwoofer-out)

Instructions for connecting via LINE IN from amplifier's subwoofer-out.

Connecting to Amplifier (Speaker Level)

Instructions for high-level connection to amplifier speaker terminals.

Functions Explained

Power Switch Operation

How to switch the subwoofer amplifier ON or OFF and when to turn it off.

Standby Switch Modes

Details on Auto mode (standby on no signal) and ON mode (constantly ON).

Power Indicators

Explanation of the red main power indicator and blue front power indicator.

Volume Adjustment

Guidance on adjusting the subwoofer's sound level carefully.

Lowpass Filter Adjustment

How to adjust the crossover frequency to match satellite speakers.

Phase Adjustment

Using the phase adjustment to affect subwoofer and satellite phase.

USB Charging for Accessories

How the USB port powers accessories like RX-100.

Placement and Troubleshooting

Optimal Subwoofer Placement

Tips for positioning the subwoofer to optimize room amplification and sound quality.

Troubleshooting Common Issues

Steps to check for connection problems or cable damages.

Technical Specifications

Details on amplifier, woofer, frequency range, dimensions, and weight.