English dropdown-ico

Manual Boston Acoustics GT-20 GT-222

19 pages 0.62 mb
Download

Go to site of 19

Summary
  • Boston Acoustics GT-20 GT-222 - page 1

    GT-20 GT-22 2-Channel, High-Curr ent/High-Power Amplifiers ...

  • Boston Acoustics GT-20 GT-222 - page 2

    2 T able of Contents Parts List 3 Features and Specifications 3 Control Functions 4 Control functions (cont.) 5 Mechanical Functions 6 Recessed RCA inputs 6 Control cover r emoval & reinstallation 6 Multi-position mounting feet 6 V ents (side & rear) 6 Mechanical functions (cont.) 7 Amplifier linking 7 Wi re connection 7 Fuses 7 General I ...

  • Boston Acoustics GT-20 GT-222 - page 3

    Included Hardwar e: GT -20 & GT -22 (1) owner’ s manual (1) female quick-connect terminal (1) 2mm hex wrench (for speaker input) (1) 3mm hex wrench (for power input) (4) mounting screws 3 Parts List Te chnical Specifications GT -20 GT -22 14.4VDC Power @ 4 Ohms 2x55W 2x100W @ 2 Ohms 2x100W 2x175W @ 4 Ohms (mono) 1x200W 1x350W @ 2 Ohms (mono) ...

  • Boston Acoustics GT-20 GT-222 - page 4

    4 Contr ol Functions RCA Inputs RCA cables from head unit or fr om other line level device should be connected here. Use both inputs (L & R) for ster eo; use “L” input for mono. Remote Input Use the supplied FEMALE quick-connector to connect the REMOTE trigger lead from the head unit to the amplifier . Amplifier turns “ON” when head u ...

  • Boston Acoustics GT-20 GT-222 - page 5

    5 Contr ol Functions (cont.) Lowpass Crossover Contr ols To use 12dB/octave crossover , move switch to right-hand position. Lowpass crossover fr equency is adjustable from 50Hz to 350Hz by r otary control. (Moving switch to left-hand position will bypass crossover functions.) “Q” Control The “Q” Control is active when the highpass cr ossove ...

  • Boston Acoustics GT-20 GT-222 - page 6

    6 Mechanical Functions Recessed RCA Inputs The input jacks are r ecessed into the body of the amplifier to provide clear- ance in tight mounting locations. Control Cover Removal & Reinstallation The cover panel is secured with two (2) captive coin-slotted scr ews. Coin-slotted screws allow a coin edge to be used as a scr ewdriver to remove the ...

  • Boston Acoustics GT-20 GT-222 - page 7

    7 Mechanical Functions (cont.) Amplifier Linking The design of the side panels enables multiple amplifiers to be used together without additional hardwar e. Wire Connection Amplifier accepts stripped wire dir ectly into the terminal blocks. Speaker outputs accept 8-gauge, and the DC power and ground accept 4-gauge. Tighten with supplied hex wren ...

  • Boston Acoustics GT-20 GT-222 - page 8

    8 Before Y ou Install Before you install the unit, disconnect the negative (–) battery cable in the engine compartment of the vehi- cle. Doing so will prevent damage to both the electrical system of the vehicle and the amplifier during installation. Wire Routing Do not run the power wire near any low-level signals or audio cables such as the RCA ...

  • Boston Acoustics GT-20 GT-222 - page 9

    9 57mm (2.5") Choose the Mounting Location Plan your installation so that the amplifier is mounted where adequate ventilation is available. Never mount an amplifier in the engine compartment of a vehicle! W ARNING! Before driving the mounting scr ews thr ough any surface, be sure of what is behind that sur- face. Check for gas tank, brake li ...

  • Boston Acoustics GT-20 GT-222 - page 10

    10 Passenger & T runk Compartment Mounting If the amplifier is mounted under a seat, be sure that the vents do not become blocked. Do not allow seat padding or other obstructive material to press down on the amplifier . All Boston GT amplifiers have top panel controls. If the amplifier is mounted under a seat, position the amplifier so the ...

  • Boston Acoustics GT-20 GT-222 - page 11

    Power/B+ & Power/GND Connection Strip approximately 5 / 8 " (16mm) of insulation. The positive (+) power wir e is installed into the amplifier terminal marked “B+”. The negative (–) wire is installed into the terminal marked “GND”. The ground wir e should be as short as possible and connected directly to the chassis of the vehic ...

  • Boston Acoustics GT-20 GT-222 - page 12

    12 Mono Subwoofer Operation When the amplifier is configured for mono operation, use the speaker output terminals marked for mono use. W ARNING! Subwoofer impedance must not fall below 2 ohms when in MONO mode. Installation—Fuses & Wiring (cont.) 1) Music The material chosen for head unit/amplifier system setup must be both clear in recor ...

  • Boston Acoustics GT-20 GT-222 - page 13

    13 Setup T uning—Full-range Speakers (cont.) 4) Head Unit The head unit should have all controls such as bass, tr eble, balance, and fader set to the flat or centered position. The volume control should be at the minimum setting. If the head unit has any equalization or bass management features such as boost , they should be defeated at this tim ...

  • Boston Acoustics GT-20 GT-222 - page 14

    14 8) “Q” Control Once the highpass crossover point has been determined, use the “Q” contr ol to increase the bass information center ed around the cr ossover point. Setting the “Q” control is done in conjunction with setting the levels on the input sensitivity and highpass crossover fr equency controls. Y ou may find while setting the ...

  • Boston Acoustics GT-20 GT-222 - page 15

    15 4) Input Sensitivity Control Tu rn contr ol all the way counterclockwise (minimum position). In this position, the amplifier will be less sen- sitive to the input signal from the head unit. Slowly r otate this control clockwise until maximum undistorted playing level is heard fr om the subwoofer(s). Listen closely for faults such as bottoming f ...

  • Boston Acoustics GT-20 GT-222 - page 16

    16 System Examples System A—Full-range Front Speakers fuse to + battery terminal to ground 6 . 5 L F 6 . 5 L F System B—Rear Fill Speakers fuse to + battery terminal to ground 6 . 5 L F 6 . 5 L F ...

  • Boston Acoustics GT-20 GT-222 - page 17

    17 System Examples (cont.) System C—Single Subwoofer (2 Ω ) System D —Parallel 4 Ω Subwoofers (2 Ω load) fuse to + battery terminal to ground 10.5LF 2 Ω fuse to + battery terminal to ground 10.5LF 4 Ω 10.5LF 4 Ω ...

  • Boston Acoustics GT-20 GT-222 - page 18

    18 Amplifier T r oubleshooting Guide Status LEDs on Amplifier not Lit — Head Unit (Sour ce) T urned “ON” V erify Remote turn-on wire fr om source to amplifier has pr oper voltage Power (B+) connections at amplifier , terminal blocks, and battery are secure Ground (GND) connections at amplifier and vehicle chassis ar e secure Battery B+ f ...

  • Boston Acoustics GT-20 GT-222 - page 19

    19 Contact and W arranty Information 300 J ubilee Drive Pe a b o d y, MA 0 1 960 U.S.A. (978) 538-5000 Boston, Boston Acoustics, and the Boston logo are r egister ed trademarks of Boston Acoustics, Inc. © 2003 Boston Acoustics, Inc. All rights reserved. Specifications subject to change without notice. P/N 042-001565-2 www .bostonacoustics.com Lim ...

Manufacturer Boston Acoustics Category Stereo Amplifier

Documents that we receive from a manufacturer of a Boston Acoustics GT-20 GT-222 can be divided into several groups. They are, among others:
- Boston Acoustics technical drawings
- GT-20 GT-222 manuals
- Boston Acoustics product data sheets
- information booklets
- or energy labels Boston Acoustics GT-20 GT-222
All of them are important, but the most important information from the point of view of use of the device are in the user manual Boston Acoustics GT-20 GT-222.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Boston Acoustics GT-20 GT-222, service manual, brief instructions and user manuals Boston Acoustics GT-20 GT-222. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Boston Acoustics GT-20 GT-222.

Similar manuals

A complete manual for the device Boston Acoustics GT-20 GT-222, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Boston Acoustics GT-20 GT-222 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Boston Acoustics GT-20 GT-222.

A complete Boston Acoustics manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Boston Acoustics GT-20 GT-222 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Boston Acoustics GT-20 GT-222, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Boston Acoustics GT-20 GT-222, that we can find in the current document
3. Tips how to use the basic functions of the device Boston Acoustics GT-20 GT-222 - which should help us in our first steps of using Boston Acoustics GT-20 GT-222
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Boston Acoustics GT-20 GT-222
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Boston Acoustics GT-20 GT-222 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Boston Acoustics GT-20 GT-222?

Use the form below

If you did not solve your problem by using a manual Boston Acoustics GT-20 GT-222, ask a question using the form below. If a user had a similar problem with Boston Acoustics GT-20 GT-222 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Captcha
New picture

Comments (0)