Boston acoustics GTA-802 - Manuals

Page 2 - Introduction; Technical Specifications:

S p e c if ic a ti o n s 2 Introduction Thank you for choosing Boston Acoustics and congratulations, you’vemade the right choice. You’re now equipped for the open road. Your highperformance GTA amplifiers are engineered to perform and built to last.These products represent the pinnacle of performanc...

Page 3 - Status LED; Speaker Level Input; Connections and Controls; White Solid = Left Positive White w/ Black Stripe = Left Negative

C o n n e c tio n s / C o n tr o ls 3 Status LED The Boston Logo will illuminate “Blue” under normal operating conditions. The LED will illuminate “Red” during start-up and under fault conditions. If theLED is still red after start-up, please refer to troubleshooting on page 12. u Speaker Level Inpu...

Page 4 - Never mount an amplifier in the engine compartment; Installation - General

In s ta ll a ti o n - G e n e ra l 4 WARNING! Before driving the amplifier mounting screws through any surface, be sure of what is behind that surface. Check for the gas tank, brake lines, andany vehicle wiring harness. Never run wires outside or under the vehicle orwhere they could become broken or...

Page 5 - Amplifier Fuses; Prepare each wire by stripping approximately; Mono Subwoofer Operation; Installation - Wiring

In s ta lla tio n- Wir in g 5 Amplifier Fuses Although the amplifier has an internal fuse (s), additional fuse protectionshould be installed as close as possible to the battery on the positive (+) powerwire going to the amplifier. An inline fuse should be installed at no more than18" (46cm) on t...

Page 6 - Tuning The Amplifier - Front or Rear Speakers; Configuration and Connection Diagram:

T u n in g T h e A m p li fi e r - F ro n t a n d R e a r S p e a k e rs 6 1) Music The material chosen for head unit/amplifier system setup must be both clear inrecording quality and dynamic in amplitude. Many audiophile “test” discs havemusical tracks with both of these characteristics and should ...

Page 7 - loudspeaker failure at higher listening levels.; ) Crossover Controls; ir of Full Range Speakers (80Hz Highpass)

T u n in gT h e A mp lif ie r - F ro n t a n dR e a r S p e a k e rs 7 Tuning The Amplifier - Front or Rear Speakers WARNING! A distorted signal from the head unit sent to the amplifier can cause loudspeaker failure at higher listening levels. 6) Input Sensitivity Control (Gain) Slowly rotate the co...

Page 8 - boost, they should be deactivated at this time. Turn head unit

T u n in g T h e A m p li fi e r - S u b w o o fe r( s ) 8 Tuning The Amplifier - Subwoofer(s) 1) Head Unit The head unit should have all controls such as bass, treble, balance, and faderset to the flat or centered position. The volume control should be at the minimum setting. If the head unit has a...

Page 9 - Control; to

T u n in gT h e A mp lif ie r - S u b w o o fe r( s ) 9 Tuning The Amplifier - Subwoofer(s) 4) Crossover Control Move the selector switch to “LP” (refer to the diagram on page 3). In this setting, lowpass signal is sent to the speaker outputs. Experiment with thecrossover point settings while the su...

Page 10 - speaker failure at higher listening levels.; ) Front Crossover Control

T u n in g T h e A m p li fi e r - G T A -5 0 4 10 Configuration and Connection Diagram: GTA-504 Amplifier Powering Both Front Speakers and a Subwoofer 80Hz Highpass Front, 65Hz Lowpass Rear w/ Q-Tune Tuning The Amplifier - Front Speakers and Subwoofer(s) 1) Head Unit The head unit should have all c...

Page 11 - th Front Speakers and a Subwoofer; ) Rear Crossover Control

T u n in gT h e A mp lif ie r - G T A -5 0 4 11 Connection Diagram: th Front Speakers and a Subwoofer Lowpass Rear w/ Q-Tune ™ On Tuning The Amplifier - Front Speakers and Subwoofer(s) 4) Front Crossover Control Cont. Slowly rotate the input sensitivity control clockwise until maximum undistorted pl...

Page 12 - Amplifier Troubleshooting Guide

Amplifier Troubleshooting Guide Status LEDs on Amplifier not Lit—Head Unit (Source) Turned “ON” Verify Remote turn-on wire from source to amplifier has proper voltagePower (B+) connections at amplifier, terminal blocks, and battery are secureGround (GND) connections at amplifier and vehicle chassis ...