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HELIX B Four User Manual

HELIX B Four
12 pages
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BEDIENUNGSANLEITUNG
INSTRUCTION MANUAL
4-Kanal Verstärker
4-Channel Amplifier
B FOUR
deutsch/english
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HELIX B Four Specifications

General IconGeneral
Channels4
Signal-to-Noise Ratio> 100 dB
Damping Factor> 100
Frequency Response10 Hz
Input Impedance10 kOhms
Input Sensitivity0.5 - 6 Volts
Fuse2 x

Summary

General Installation Instructions

Installation Location and Securing

Install amplifier in a dry, well-ventilated area, secured professionally with four screws, checking for hidden cables/lines.

Electrical System Compatibility and Cabling

Ensure 12V negative chassis ground, use a main fuse near battery, route cables safely, protect from sharp edges, avoid power cable proximity to other equipment.

Equipment Features and Control Elements

Power/Protect LED Indicator

Indicates amplifier operational status: green for ready, red for malfunction or protection activation.

Ground Cable Connection

Connect to a central ground point on the vehicle chassis, ensuring a clean metal surface and minimum 12 mm² cross-section.

Remote Lead Connection

Connect to the head unit's automatic antenna output for amplifier power control linked to the radio.

Battery Cable Connection

Connect the +12V cable to the battery's positive terminal with a minimum 12 mm² cross-section.

Fuses

Internal fuses protect against faults; system requires an additional external fuse near the battery (2 x 25A recommended).

Speaker Terminals

Connect speaker cables to the terminals, ensuring correct polarity and an impedance not lower than 2 Ohms per channel.

Signal Inputs (RCA)

Four RCA inputs for pre-amplifier outputs; all must be connected for four-channel operation; Y-adapter usable for two outputs.

Highlevel Speaker Input

Four inputs connect directly to head unit speaker outputs, featuring an automatic turn-on function.

Level Controls for Input Sensitivity

Adjust input sensitivity to match head unit output voltage; control range is 200 mV to 6 V.

Bass-Boost Control

Adjustable bass boost from 0 to 18 dB at 45 Hz.

Highpass Control

Adjusts the crossover frequency for the highpass filter from 15 Hz to 4000 Hz.

Switch for Filter Modes

Selects internal crossover mode: Highpass (HPF), Fullrange (FULL), or Lowpass/Bandpass (LPF).

Lowpass Control

Adjusts the crossover frequency for the lowpass filter from 40 Hz to 4000 Hz.

Signal Outputs

Wide band (fullrange) RCA outputs for connecting additional amplifiers.

Speaker Connections Overview

Diagrams illustrating 4-channel, 3-channel, and 2-channel (bridged) speaker connection configurations.

Warranty Disclaimer

Warranty Coverage and Limitations

Warranty covers legal regulations; excludes overload, improper use, or physical damage. Requires proof of purchase for claims.

Liability Exclusion

No liability assumed for damages to vehicle or device caused by user error or improper handling.

Certification and Compliance

Amplifiers feature E-Certification and CE-Mark, certifying them for use within the European Union (EU).

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