Wavtech Link500.1mini Manuel utilisateur

www.wavtech-usa.com

Owner’s Manual

500W RMS Mono Ampliﬁer

link500.1mini

• DO NOT DRIVE WHILE DISTRACTED. Any function that requires your prolonged attention should not be

performed while driving. Always stop the vehicle in a safe location before performing any such function. Failure

to do so may result in an accident.

• KEEP THE VOLUME AT MODERATE LEVELS WHILE DRIVING. Excess volume levels can obscure sounds such

as emergency vehicle sirens or road warning signals and may result in an accident. Continuous exposure to high

sound pressure levels may cause permanent hearing loss. Use common sense and practice safe sound.

• FOR USE WITH 12V NEGATIVE GROUND VEHICLE APPLICATIONS ONLY. Using this product other than in its

designed application may result in ﬁre, injury or product damage.

•MAKE THE CORRECT WIRING CONNECTIONS AND USE PROPER FUSE PROTECTION. Failure to connect

wiring correctly with appropriate gauge and fuse protection may result in ﬁre, injury or product damage . When

replacing fuse(s), never exceed the speciﬁed rating. Ensure proper protection of all system power wiring and

install an external fuse (not included) with speciﬁed rating for each ampliﬁer connected with the +12V lead at

the battery terminal.

• DISCONNECT THE NEGATIVE BATTERY TERMINAL BEFORE INSTALLATION. Failure to do so may result in

ﬁre, injury or damage to the unit.

• D O NOT ALLOW CABLES TO BECOME ENTANGLED IN SURROUNDING OBJECTS. Arrange wiring and cables

to prevent obstructions when driving. Cables or wiring that obstruct or hang up on places such as steering

wheel, brake pedals, etc. can be extremely hazardous.

• DO NOT DAMAGE VEHICLE SYSTEMS OR WIRING WHEN DRILLING HOLES. When drilling holes in the

chassis for installation, take precautions so as not to contact, puncture or obstruct brake lines, fuel lines, fuel

tanks, electrical wiring, etc. Failure to take such precautions may result in ﬁre or an accident.

• DO NOT UTILIZE OR CONNECT TO ANY PART OF VEHICLE SAFETY SYSTEMS. Bolts, nuts or wires used in

the brake, airbag, steering or any other safety-related systems or fuel tanks should NEVER be used for

mounting, power or ground connections. Using such parts may disable control of the vehicle or result in ﬁre.

WARNING This symbol means important instructions.

Failure to heed them can result in serious injury or death.

CAUTION

• STOP USE IMMEDIATELY IF A PROBLEM OCCURS. Failure to do so may result in personal injury or damage to

the product. Return it to your authorized Wāvtech dealer.

• HAVE AN EXPERT DO THE WIRING AND INSTALLATION. This unit requires special technical skill and

experience for wiring and installation. To insure safety and proper function, always contact the authorized

dealer where you purchased the product to have it done professionally.

• INSTALL THE UNIT SECURELY WITH SPECIFIED PARTS. Be sure to use only the included parts and speciﬁed

installation accessories (not included). Use of other than designated parts may damage this unit. Install the

unit securely so that it will not come loose during a collision or sudden jolt.

• ROUTE WIRING AWAY FROM SHARP EDGES AND MOVING PARTS. Arrange cables and wiring away from

sharp or pointed edges and avoid moving parts such as seat hinges or rails to prevent pinching or wear. Use

loom protection where appropriate and always use a grommet for any wiring routed through metal.

• NEVER RUN SYSTEM WIRING OUTSIDE OR UNDERNEATH THE VEHICLE. All wiring must be routed, secured

and protected inside the vehicle. Failure to do so may result in ﬁre, injury or property damage.

• INSTALL THE UNIT IN A DRY AND VENTILATED LOCATION. Avoid mounting locations where the unit will

likely be exposed to high moisture or heat without adequate ventilation. Moisture penetration or heat buildup

may result in product failure. Always make sure the ampliﬁer chassis temperature is safe before touching it.

• REDUCE GAIN AND SOURCE VOLUME TO MINIMUM LEVELS FOR INITIAL SYSTEM TUNING. Ensure

ampliﬁer power is oﬀ before connecting signal cables and follow proper system gain setting procedures.

Failure to do so may result in damage to the ampliﬁer and/or connected speakers.

Package Contents: Accessories Required for

Installation (not included):

ŸRCA Cables or Signal Wire

ŸPower Supply & Speaker Wire

ŸIn-line Fuse Holder w/50A Fuse

ŸBattery Ring Terminal

ŸChassis Ground Terminal

ŸWire Crimp Connectors

ŸGrommets & Loom

WARNING

CAUTION

This symbol means important instructions.

Failure to heed them can result in injury or property damages.

Mounting Tabs

(pre-attached)

Spk Level

Input Terminal

Main Unit

Hex Wrenches Mounting Screws

Introduction

Welcome to Wāvtech, exceptional mobile audio products for audiophiles. Our products are

engineered from the ground up to provide a truly remarkable listening experience with superior

performance, sound quality and reliability. Built for the professional installer, our innovative

features enable maximum application coverage with ultimate system ﬂexibility. Whether retaining

the factory receiver or utilizing an aftermarket source, our solutions are simply the best available

for unlimited sound system upgrades.

Features:

• Diﬀerential Balanced Inputs

• Dual Input Range with Ideal Gain Structure

• Variable Gain Adjustment with Clip LED

• Fully Adjustable Parametric EQ

• Variable -24dB/oct. Low-Pass Filter

• Variable -24dB/oct. Subsonic Filter

• RLC Ready (linkRC sold separately)

• Auto Turn-On via DC-Oﬀset and Audio Detect

• Stop-Start Vehicle Compatible

• OEM Load Detect System Compatible

• Active Rollback Thermal Management

• Panel Mount RCA Inputs with Bal/Unbal Select

• Locking Detachable Spk Level Input Terminal

• 4AWG Insert Power/Ground Terminals

• Dual Mono 12AWG Insert Speaker Output Terminal

• Compact Chassis w/Detachable Mounting Tabs

Input Panel Connections & Settings

Auto Turn-On Detect Jumpers:

By default, the ampliﬁer is set to

detect both DC-oﬀset and audio

signals for turning itself on/oﬀ

automatically. These jumpers

allow either turn-on mode to be

defeated independently for cases

where only one turn-on mode is

preferred or to bypass both

modes when a switched +12V trigger

is available and connected to the remote turn-on (REM) terminal.

Load Jumpers: Each speaker level input channel has built-in loading to satisfy most OEM load



detect systems. These internal loading circuits can be bypassed (OFF) for channels where no

loading is required, such as when a speaker is still directly connected to the source.

Speaker Level Input Terminal: For left/right channels of speaker level input connections to

the source. When set to the 20V input range (default), audio signal from 1-20Vrms will produce

up to full power output from maximum to minimum gain. For factory ampliﬁers with more than

20Vrms output signal or if volume range is not suﬃcient with gains set at minimum, select the

40V input range, which will reduce the input sensitivity by half for signals up to 40Vrms.

RCA Input Bal/Unbal Jumpers: These jumpers select the RCA input conﬁguration between



balanced (default) and unbalanced. Unbalanced connects the RCA shield to ground reference,

which may be useful in eliminating noise under certain source or system conditions. Both

jumpers (left/right) should be moved together if changed.

RCA Inputs: For left/right channels of RCA line level input connections to the source. When set



to the 5V input range, audio signal from 0.2-5Vrms will produce up to full power output from

maximum to minimum gain. For sources with more than 5Vrms output signal or if volume range

is not suﬃcient with gains at minimum, select the 10V input range, which will reduce the input

sensitivity by half for signals up to 10Vrms. Use quality interconnects to ensure stable

connection and minimize the possibility for induced noise.

Remote Level Control Jack: This RJ45 jack is for connecting the optional linkRC remote level

‘

controller to the main unit with its supplied cable. A standard ethernet cable may also be used.

Power/Protect Indicator: This LED will illuminate green when the ampliﬁer is powered on and

’

operating normally. If a shutdown occurs due to a detected fault, the LED will turn red. Note

that over-current and short circuit protections require manual reset (power oﬀ/on) to recover

after the fault has been cleared, while other protection modes will automatically recover.

DETECT PWR

PRO

LOAD LOAD

CH1(L) CH2(R)

CH2(R)CH1(L) RLC

RCA IN

BAL

UNBAL

CH1/2

Œ



‘

’

GAINCLIP

MIN MAX (Hz)10 50

SUBSONIC

(Hz)50 500

LPF

5V/

20V

10V/

40V NAR WIDE

(dB)

012

BOOST WIDTH

(Hz)30 80

FREQ

PARAMETRIC EQ

Top Panel Controls

Input Sensitivity Range: Two input

sensitivity ranges are provided for each

channel pair to optimize source volume

range while minimizing the gain required

to achieve full power output for best signal-to-noise. Choose the input range that will

accommodate the source's maximum output signal voltage without excessive clipping, 5V or

10V for low level (RCA) inputs, and 20V or 40V for speaker level inputs.

Gain Adjustment with Clip LED: This adjustment is for matching the ampliﬁer's input to the



source's maximum undistorted output signal. The clip LED will dimly illuminate just before the

onset of clipping and become fully bright when the ampliﬁer has reached full power output at

clipping. Follow proper gain setting procedure to ensure optimum source volume range with

minimum chance for clipping or distortion. Gain readjustment may be necessary after any

changes made to the parametric EQ, subsonic or low-pass ﬁlters.

Parametric EQ: This section provides full adjustment over all parameters of a single EQ band,

including boost, width and frequency. Unlike traditional bass boost, a parametric EQ provides

the tuning ﬂexibility required for diﬀerences between vehicles, subwoofers and enclosures.

Boost: This adjustment sets the amount of boost



at the center frequency (Fc) of the parametric EQ

band from 0dB up to +12dB. Note that adding

boost may cause the output to clip or subwoofer

to be over-driven. Readjust the gain, subsonic and

low-pass ﬁlters as necessary to optimize bass

response vs. maximum output and volume range.

Width: Also known as Q, width sets the



bandwidth (BW) of boost for the parametric EQ

band. A wide setting will include more adjacent

frequencies for a broad boost, while a narrow

setting will only boost frequencies close to the

chosen center frequency (Fc). The range of Q

adjustment is 1.5 (wide) to 5 (narrow). To calculate the bandwidth between the -3dB points

that are boosted by the EQ band, use the formula BW = Fc/Q.

Example: If FREQ is set to 50Hz, and WIDTH is set to narrow (Q=5), then the boosted

bandwidth is 50Hz/5=10Hz, which puts the upper and lower -3dB points at 45Hz and 55Hz.

Frequency: This adjustment sets the center frequency (Fc) of the parametric EQ band

‘

between 30Hz and 80Hz. Note that boosted frequencies that overlap with the subsonic and

low-pass ﬁlters will attenuated.

Subsonic Filter: This adjustment sets the -3dB cut-oﬀ point ( ) below which all frequencies

’F3

are ﬁltered out at -24dB/oct. Very low frequencies can waste ampliﬁer power and damage

subwoofers. This adjustment is especially important for ported enclosures to prevent over-

excursion below the tuning frequency.

Low-Pass Filter: This adjustment sets the -3dB cut-oﬀ point ( ) above which all frequencies

“F3

are ﬁltered out at -24dB/oct. Unwanted high frequencies allowed to play through subwoofers

can cause boomy, buzzy bass that is easy to localize. With a steep -24dB per octave slope, the

cut-oﬀ frequency can be set higher, allowing more punch with less distortion and optimized

integration with full-range speakers to achieve up-front bass.

Œ

‘ ’

Boost (dB)

Freq (Hz)

BW = F2-F1

F2F1

3dB

Note: If the subsonic and low-pass ﬁlter cut-oﬀ points are set too close together, only a narrow

frequency range will pass through and may result in signiﬁcantly reduced output.

“

MONOGND REM +12V

Œ

System Wiring

It is important to read this manual thoroughly before starting your installation and always plan

accordingly. Before installing any Wāvtech product, disconnect the negative (ground) wire from

the vehicle’s battery to avoid damage to the vehicle or yourself. Following all guidelines will ensure

years of enjoyment with your Wāvtech ampliﬁer.

Chassis

Ground

≤2ft

(45cm)

Remote

Turn-on

≤18in

(45cm)

12V

Power Supply Terminal Wiring:

8AWG

(min)

Power Supply & Output Panel Connections

Power Supply Terminal:

Ground (GND): The ground

terminal must be connected to a

metal part of the vehicle with

ground plane back to the main

battery ground attachment point

(a.k.a. chassis ground). This wire

should be as short as possible,

but no longer than 2ft (60cm),

with minimum gauge of 8AWG.

The ground wire should be terminated with a ground speciﬁc or ring terminal and securely

bolted to the vehicle with a star or lock washer and nut to prevent from coming loose. The

chassis ground connection point should be scuﬀed to the bare metal.

Remote Turn-on (REM): If the source unit has a remote output wire (+12V switched output),

connect it to the REM terminal. If a remote lead is unavailable, the ampliﬁer will automatically

turn-on by detecting DC-oﬀset or audio signal from the source. While auto turn-on works well

in most applications, there may be some cases were a +12V trigger is preferable or necessary.

Both detect functions are enabled by default, but can be individually defeated via the two

jumpers located on the input panel.

ŸPower (+12V): The constant +12V power connection must be made at the vehicle's main

battery, securely connected with a ring terminal and protected with an in-line fuse within 18in

(45cm) from the positive battery terminal. The link500.1mini requires a 50A external in-line

fuse (not included) and a minimum power wire gauge of 8AWG. Do not install the fuse until all

other system connections have been made.

Speaker Output Terminal: This terminal is for connecting the ampliﬁer's output to one or



more subwoofers as a single mono channel. The dual positive (+) and negative (-) outputs are

provided for wiring convenience of parallel connections. Ensure correct polarity and that the

connected subwoofer(s) are conﬁgured as a total nominal impedance no less than 2Ω.

Mounting Tabs: These mounting tabs are pre-attached and should be used to properly secure

the ampliﬁer with the included mounting screws to a solid mounting surface that is directly

attached to the metal structure of the vehicle cabin. These tabs are removable if the unit can

be safely secured by another method.

MONOGND REM +12VMONOGND REM +12V

DETECT PWR

PRO

LOAD LOAD

CH1(L) CH2(R)

CH2(R)CH1(L) RLC

RCA IN

BAL

UNBAL

CH1/2

DETECT PWR

PRO

LOAD LOAD

CH1(L) CH2(R)

CH2(R)CH1(L) RLC

RCA IN

BAL

UNBAL

CH1/2

Single Subwoofer

Speaker Output Terminal Wiring:

RCA Input Wiring: Speaker Level Input Wiring:

CH1

(L) CH2

(R)

Note: Always connect stereo sources to both CH1(L) and CH2(R) inputs to retain full music content. If only one

source channel is available, use an RCA y-adapter or jumper wires to connect it to both CH1 and CH2 inputs,

otherwise signal level will be reduced by half and require increasing the gain to achieve full power output.

Notes:

• Ensure at least a 2Ω minimum total load impedance for any single or multiple subwoofer system conﬁguration.

• After checking all wiring and connections, make all initial settings and adjustments before turning on the

ampliﬁer to avoid damaging the connected speakers. Gains should always start at minimum with the

appropriate input range selected for your aftermarket or OEM source's maximum output voltage. For smaller

subwoofers, free-air or ported alignments, always set the subsonic ﬁlter cut-oﬀ frequency to protect them

from being over-driven.

• If bass output seems diminished vs. cone excursion, check the polarity of all input and output connections.

Depending upon the particular vehicle and subwoofer placement, reversing subwoofer polarity may be

necessary to minimize cancellation of bass frequencies at the listening position.

2Ω

(min) 4Ω

(min)

Dual Subwoofers (Parallel)

Speciﬁcations

link500.1mini

4Ω

300W RMS x 1

2Ω

500W RMS x 1

1W, 100Hz, A-wtd

-78dBA

Max Flat (+0/-1dB)

Extended (+0/-3dB)

RCA Input

Spk Level Input

Low Range

High Range

Low Range

High Range

Slope

Remote

via RCA Input

10mV/50mV (1kHz/100Hz)

via Spk Input

50mV/200mV (1kHz/100Hz)

<2mA

<0.7A

Fuse Rating

50A

Operational Voltage

7V - 16.5V

Rollback / Auto-Recover

Auto-Recover

Manual Reset

16AWG, Insert/Plug

4AWG, Insert

12AWG, Insert

42 x 115 x 233mm

1.65" x 4.53" x 9.17"

44 x 115 x 259mm

1.73" x 4.53" x 10.2"

External (not included)

Thermal

Over-Voltage

Under-Voltage

Short Circuit

Current Draw Sleep Current

Idle Current

Protection

Chassis Dimensions HxWxL

w/o terminals, tabs

incl. terminals, tabs

Battery / DC Power Supply

Crossover

Low-Pass Filter

Turn-On Threshold

Audio Signal

Terminals Speaker Level Input

Power Supply

Speaker Output

Input Impedance

Input Sensitivity

RCA Input

Spk Level Input

Power Output 14.4V,

<1%THD+N

S/N Ratio

Frequency Response 15Hz - 400Hz

10Hz - 500Hz

20KΩ

20KΩ / 20Ω

200mV - 5V

400mV - 10V

1V - 20V

2V - 40V

-24dB/oct.

2.6Vvia REM

DC-Oﬀset via Spk Input

Note: All Speciﬁcations are subject to change without notice.

Panel Mount

RCA Input

Slope

Subsonic Filter -24dB/oct.

Boost

Width (Q)

0dB to +12dB

1.5 - 5

Frequency (Fc) 30Hz - 80Hz

Parametric EQ

Frequency (F3) 50Hz - 500Hz

Frequency (F3) 10Hz - 50Hz

Remote Level Control (w/optional linkRC) 0dB to -30dB

Volume Range

Manual Reset

Over-Current

Wāvtech

1350 W. Melody Ave.

Suite 101

Gilbert, AZ 85233

(480) 454-7017

v0223

Warranty & Service Care

Wāvtech warrants this product to be free from defects in material and workmanship for a period

of one (1) year when purchased from an authorized Wāvtech retailer within the United States. This

warranty will be extended to a period of two (2) years when the installation is performed by an

authorized Wāvtech retailer. A valid sales receipt is required to verify eligibility of purchase and

installation.

This warranty is valid only to the original purchaser and is not transferrable to subsequent parties.

This warranty is void if the product serial number has been altered or removed. Any applicable

implied warranties are limited in duration to a period of express warranty as provided herein

beginning with the date of the original purchase at retail, and no warranties, whether expressed or

implied, shall apply to this product thereafter. Some states do not allow limitations on implied

warranties, therefore these exclusions may not apply to you. This warranty gives you speciﬁc legal

rights. You may also have other rights which vary from state to state.

If your product needs service, you should contact Wāvtech Customer Service to receive a Return

Authorization (RA) Number. Any product received without an RA number will be returned to

sender. Once your product is received and inspected by customer service, Wāvtech at its sole

discretion, will repair or replace it with a new or remanufactured product at no charge. Damage

caused by the following is not covered under warranty: accident, abuse, failure to follow

instructions, misuse, modiﬁcation, neglect, unauthorized repair or water damage. This warranty

does not cover incidental or consequential damages. This warranty does not cover the cost of

removing or reinstalling the product. Cosmetic damage and normal wear are not covered under

warranty.

For Service within the United States:

Wāvtech Customer Service: (480) 454-7017

Monday – Friday, 8:30am to 5:00pm MST

Important Notice for International Customers:

For products purchased outside the United States of America or its Territories, please contact your

local distributor concerning speciﬁc procedures for your country's warranty policy. International

purchases are not covered by Wāvtech, LLC.

Serial Number:

Installation Date:

Place of Purchase:

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