Hertz DBA 200.3 - User Manual

www.hertzaudiovideo.com
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OWNER’S
MANUAL
DBA 200.3
62018 Potenza Picena (MC) Italy - T +39 0733 870 870 - F +39 0733 870 880 - www.elettromedia.it
FKL 042_12.REV.F
All Specifications Subject to Change Without Notice
T
he Hertz products are warranted, under normal functioning conditions, for the period of time as set by the laws in force, against
defects concerning materials or their manufacturing. The warranty is valid from the date of purchase, certified by receipt.
The warranty is not valid if:
• the product is damaged by incidents, installations and/or improper use, or by any other causes not depending on
materials or manufacturing defects;
• the product is modified or tampered with by unauthorised people;
• its serial number has been altered or cancelled.
While the product is under warranty, defective parts will be repaired or replaced at the manufacturer's discretion.
The defective product, along with notification about it, must be returned to the dealer from which it was purchased together with
the warranty certificate duly filled in. If the product is no longer under warranty, it will be repaired at the current costs.
Elettromedia s.r.l. does not undertake any liability for damages due to transportation.
E
lettromedia s.r.l. does not take any responsibility for: costs or loss of profit due to the impossibility to use the product, other
accidental or consequential costs, expenses or damages suffered by the customer.
Warranty according to laws in force.
For more information visit the Hertz website.
Hertz Warranty
FKL042_DBA 200__OM_art_rev.F_Sub 30/03/12 10:18 Pagina 1

Summary

Hertz Warranty

Warranty Validity Conditions

Details conditions under which the Hertz warranty is invalid, including damage from incidents or improper use.

Defective Parts and Repairs

Explains that defective parts will be repaired or replaced at the manufacturer's discretion.

Warranty Service Return Process

Instructs to return the defective product with the warranty certificate to the dealer.

Manufacturer Liability Limitations

Elettromedia s.r.l. disclaims liability for transportation damages and loss of profit.

Installation and Wiring Guidelines

General Installation and Safety Precautions

Covers securing components, tool safety, handling, storage, and location choices.

Electrical System and Amplifier Care

Details electrical system checks, amplifier temperature, and cleaning procedures.

Power and Signal Wiring

Explains wiring for power, ground, remote turn-on, RCA, and high-level inputs.

Final Checks and Fuse Installation

Instructions for checking wiring, installing fuses, and setting fuse values.

Setup, Safety, and Disposal

Listening Level Calibration

Explains how to calibrate listening levels by adjusting source and amplifier volumes.

Safe Listening and Driving Safety

Emphasizes using common sense for safe sound levels and prioritizing safety while driving.

WEEE Disposal Information

Provides information on proper disposal of WEEE according to European regulations.

Connection Diagrams and Terminals

Terminal Overview

Provides an overview of the various connection terminals on the unit.

Wiring Configuration Guide

Illustrates how to connect power, RCA, high-level inputs, and remote turn-on.

AUTO TURN ON and Remote Connections

Details the AUTO TURN ON function and remote connection options.

Control Panel Functions

Sensitivity Adjustment

Explains the sensitivity adjustment range (3-5.0 VRMS) for audio input.

Phase Shift Control

Describes the phase shift control (0°-180°) for optimizing sound.

Safety Indicator LED

Explains the function of the safety indicator LED for the amplifier's protection mode.

Power Supply and Fuse Details

Details power supply, idling current, consumption, and fuse specification.

Unit Dimensions and Wiring Examples

Physical Unit Dimensions

Provides the physical dimensions of the DBA 200.3 unit in mm and inches.

Connection Wiring Diagrams

Illustrates connection examples for PRE IN, IN HI LEVEL, POWER, AUTO TURN ON, and REMOTE.

Cable Selection and Input Connections

Recommended Cable Diameter

Provides a table recommending cable diameter based on length and power.

Low-Level and High-Level Input Connection

Details connecting RCA (low-level) and Speaker IN (high-level) inputs.

Technical Specifications Data

Applied Power vs. Cable Diameter Chart

Chart showing recommended cable diameter based on applied power and connection length.

Electro-Acoustic Parameters

Lists key electro-acoustic parameters like Xmax, Re, Fs, Vas, Mms, Cms, BL, Qts, Qes, Qms, Spl.

Component and Amplifier Specifications

Subwoofer Component Details

Provides details on the subwoofer component, including power handling, weight, size, impedance, etc.

Amplifier Stage Specifications

Lists specifications for the amplifier stage, including power supply, idling current, consumption, distortion, bandwidth, S/N ratio, etc.

Input and Filter Specifications

Details input sensitivities, impedances, filters (Lo-Pass, Subsonic), and speaker polarity.

Remote and Fuse Specifications

Specifies remote connection requirements and fuse details.

Hertz DBA 200.3 Specifications

General

Power Handling - Peak	750 W
Frequency Response	32 ÷ 400 Hz
Magnet weight	850 g
Voice Coil Diameter	38 mm
Size	8 inch
Power Handling - Continuous	200W
Power Handling (RMS)	200W
Power Handling (Peak)	400 Watts
Impedance	4 Ω
Re	3.2 Ohm
Qes	0.50
Spl	88 dB
Sensitivity	88 dB