Focal I BUS 20 User Manual

INTEGRATION
FLAT
AMPLIFIED
BASS
ENCLOSURE
User
manual
MIM·'MW.!.i
Thank you for choosing Focal and for sharing our passion for the "Spirit
of
Sound".
To
obtain the best results
from
this
product, we recommend that
you
follow carefully all
the information contained
in
this user's manual.
If
not correctly followed,
any fault observed may not be covered by the guarantee.
Warning
Continuous
listening
at high sound
level
(above
11
OdB)
can durably
damage your hearing.
Listening above
130dB
can damage your hearing permanently.
The
Focal
guarantee
only
applies
if
the
enclosed
guarantee
card
is
returned
to
us
within
1
0
days
of
purchase.
0
the
Spirit
of
Sound
CE
Focai-JMiab®-
BP
374
-
108,
rue
de
I'Avenir-
42353
La
Talaudiere
cedex-
France
-
www.focal.com
Tel.
(+33)
04
77
43
57
00-
Fax.
(+33)
04
77
43
57
04
Due
to
constant
technological
advances, Focal
reserves
its
right to modify specifications without notice. Images may not
conform
exactly
to
specific
product
..

Focal I BUS 20 Specifications

General

Motor	Ferrite
Frequency Response	45Hz - 150Hz
Driver Size	8"
Voice Coil Diameter	1.5"
Surround	Butyl
Amplifier Power	75W RMS
Maximum Power	150W
Weight	5.6 kg
Cone	Polypropylene cone
Power Output	75W RMS

Summary

Product Introduction and Safety Information

Welcome and Guarantee Policy

Provides a welcome message, usage advice, and details on warranty validation.

Critical Hearing Safety Notice

Warns users about potential hearing damage from prolonged exposure to high sound levels.

Component and Control Descriptions

Power and Ground Connections

Details the +12V battery and GND chassis connectors for power supply.

REM Connector for Auto Power

Explains the REM connection for automatic amplifier activation with the car radio.

Audio Input Connections

Describes the HI LEVEL INPUT and RCA INPUT connectors for audio signals.

Fuse and Remote Control Ports

Covers the FUSE connector and the REMOTE CONTROL PLUG for system wiring.

Signal Adjustment Controls

Explains how to adjust input gain, subsonic filter, and bass boost.

Filtering and Phase Adjustment

Details setting the low-pass filter frequency and adjusting bass channel phase.

Auto Power On and Status LED

Describes the auto power feature and the LED indicator for amplifier operational status.

Guarantee Conditions and Wiring Advice

Official Guarantee Coverage

Details guarantee coverage provided by official Focal distributors and legal terms.

Fuse and Traditional Wiring Guidance

Provides warnings and instructions regarding car radio fuses and alternative wiring methods.

Installation Overview

Placement and Connection Cable Legend

Illustrates amplifier placement and provides a legend for identifying connection cables.

Detailed Connection Diagrams

Cable Identification and Wiring Harnesses

Illustrates key cables (A-G) and wiring harnesses (D, E, H) for connection.

Connector and Interface Assembly

Shows detailed views of connector (H, E) and interface (I, D, F) assembly for installation.

Input and Power Terminal Connections

Details HI LEVEL INPUT, power terminals (1, 2, 3), and various cable connections (A, B, C, D, F, G).

Remote Control and Gain Interface

Explains the REMOTE CONTROL port and GAIN adjustment, showing associated cable J and connector K.

International Guarantee Registration

Guarantee Validation Form Details

Provides instructions and a form to register the product for international guarantee validation.