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SPEAKER CONFIGURATIONS

Many audio systems can be generated from the three basic speaker output configurations of this

amplifier. They are: 2 channel stereo; 1 channel mono; and 3 channel mixed stereo/mono.
Possible in-car configurations will be covered elsewhere in this manual.

2 CHANNEL-STEREO MODE

1 CHANNEL-MONO/BRIDGE MODE

SUBWWFER

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Содержание V2100

Страница 1: ...II I Audio Amplifier with THD Limiting x 300 Watts avec limitation de ion de bruit HUSHTM 89 h i 2 x 100 o 1 x 300 vatios con limitacih y Reduccidn de Ruidos HUSHTM a I I I j j jj S S A Bosch Group ...

Страница 2: ...dements de I amplificateur et interface 26 Configurations de speaker 27 Configurations des systemes 4 28 31 Montage final Montage et ventilation adequats interface du signal d entree utilisation des croisements internes et des commances d intensite mise a la masse fusibles 32 34 Guide de depannage 35 Garantie limitee tats Unis 36 Accessoires 54 Autres notes 54 Specifications 55 INDICE DE MATERIAS ...

Страница 3: ...ou call upon your Blaupunkt dealer MODEL WARRANTY NUMBER PURCHASE DATE DEALER INSTALLER KEY FEATURES DISTORTION LIMITING THD reduces the annoying acoustical pops and cracks present during high signal levels It is acoustically transparent until high signal levels thus providing protection for tweeters since high level distortion products are not allowed to enter the speakers HUSHTM NOISE GATING AND...

Страница 4: ...thus turning musical sine waves into very unmusical square waves Here is where your new Blaupunkt VELOCIWTMamplifier is uniquely impressive The Blaupunkt VELOCITYTM series of amplifiers have a very unique feature called Distortion Limiting THD which tolerates high input voltage levels but prevents ugly sounding distortion products common to nearly all other amplifiers An input voltage sensing netw...

Страница 5: ...this system is the choppy sound as the Gate opens and closes with music which is known as pumping The HUSHTM noise reduction circuits avoid this pumping by the use of a downward expander which effectively expands the dynamic range of the signal thus pushing down the background noise in relation to the desired signal Also the HUSHTM circuits offer a continuously variable set point that smoothly mov...

Страница 6: ...ss of a subwoofer amplifier independently of the radio Remote mounting of an input gain control would be a major problem with most car audio amplifiers because of the likely noise intrusion into the signal path With a VCA circuit on the input of an amplifier the gain can be controlled remotely but is done with moderate level DC voltages O 1 5 volts that are insensitive to noise noise is an AC volt...

Страница 7: ...ssible Always use the fuse supplied with this amp and never increase the fuse size for example 10A in case it does blow Be sure all power grounds are clean Scrape off paint if necessary to guarantee this Make wiring connections from one component to the next making sure that you plug radio or equalizer outputs to amplifier inputs and not outputs to outputs Do not run power cables and audio RCA cab...

Страница 8: ...gnals bass comes out the speaber leads 4 INPUT GAIN CONTROL This control matches the radio or preamp output voltage to the amplifier s input voltage so that full output can be achieved Most radios provide only 0 5 l OV rms output at their RCA leads so this control offers nearly any input voltage Turning the control clockwise effectively makes the amp play louder Technically speaking this is the vo...

Страница 9: ... the remote location of the amplifier REMOTE CONTROL INPUT OUTPUTS This amplifier has the capability to have its gain changed from a remote optional gain control and uses a common RJ 11 telephone jack for interface Should more than one amplifier be used in an installation you can daisy chain these controls together using simple telephone cables so all amps move their gains up and down in tandem LE...

Страница 10: ...the three basic speaker output configurations of this amplifier They are 2 channel stereo 1 channel mono and 3 channel mixed stereo mono Possible in car configurations will be covered elsewhere in this manual 2 CHANNEL STEREO MODE 1 CHANNEL MONO BRIDGE MODE SUBWWFER ...

Страница 11: ...guration You simply run RCA cables from the radio back to the amp wire up a good set of coaxial 6x9 speakers and then play loud Some head units today offer 2x15 watts at the high level speaker outputs but usually on the left front and right front channels only The rear channel outputs of the radio sometimes exit with low level RCA leads which can then be connected to an outboard amplifier usually ...

Страница 12: ... of most music Bass information usually requires a lot more power than mid and high frequencies for proper reproduction For truly dynamic performance a dedicated subwoofer amplifier and speaker are needed for the low frequencies A satellite subwoofer system allows for a lower powered mid and high frequency amplifier e g 4x15 watts inside the radio but a much higher powered unit for the bass region...

Страница 13: ...s shown below The amplifier must be capable of this multi mode operation you cannot simply hook up three speakers to any 2 channel amplifier and get this performance The amp must be capable of sourcing and sinking large currents in order to do this CROSSOMR SWITCH SWITCH CAUTtON Be sure that the cmmbhed impedance of your speaker system If lhe coils and capacitors are not avaibbla h the vakres list...

Страница 14: ...leled sound quality Using the optional remote control you can also run the gains of all three amps up and down together from one remote Performance is tremendous since you are dedicating individual amplifiers to parts of the music spectrum thus gains and tone controls can be adjusted independently to achieve a truly balanced sounding system LR aa RR LF M RF OPTIONAL REMOTE GAIN CONTROL ...

Страница 15: ...ng the lines of the two speaker outputs to the center conductors of the RCA jacks One common signal ground reference wire is then connected from the radio chassis to the shields of the RCA lines connecting to the amplifier input LOW LEVEL AUDIO RCA LEADS L L R I USE OF INTERNAL CROSSOVERS AND TONE CONTROLS Internal active crossover networks allow for this amplifier to be configured in three possib...

Страница 16: ... near noise producing objects such as engine or braking system computers More common is alternator whine generated from ground point voltage differences due to component connections throughout the vehicle voltage ground loops The best installation design to prevent this condition is done using a star grounding scheme shown below to ensure a common ground point for all stereo components Radio Equal...

Страница 17: ...5 ft 4 5 m 20 ft 6 0 m 25 ft 17 5 m 30 ft 9 0 m WIRE GAUGE FOR TOTAL SYSTEM AUDIO POWER max output level 50 w 100 w 200 w 500 w 1000 w 4 A rms 8 A rms 16 A rms 40 A rms 80 A rms 16 12 10 8 4 16 12 10 8 4 14 12 10 6 2 14 12 IO 6 2 12 IO 8 4 0 or 00 12 10 8 4 0 or 00 American Wire Gauge Sizes A W G for amplifier power and ground leads This chart reflects maximum voltage drop of 0 5 V dc over the giv...

Страница 18: ...ning noise alternator whine l occurs while engine is running l and varies in pitch with engine speed this noise VARIES with 0 radio s volume setting I 1 Whining noise alternator whine l occurs while engine is running and varies in pitch with engine speed this noise DOES NOT vary with radio s volume setting 0 0 Disconnect the RCA input lines to the amp and turn amplifier unit on and off via the Tri...

Страница 19: ...ith respect to products covered by it whether for negligence or otherwise We will not be liable for consequential or incidental damages losses or expenses THIS WARRANT IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES ANY WARRANTY IMPLIED BY LAW WHETHER FOR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE SHALL BE EFFECTIVE ONLY FOR THE PERIOD THAT THIS EXPRESS WARRANTY IS EFFECTIVE No at...

Страница 20: ...itors but can be confusing for the average installer We highly recommend that the BB 1 be used to avoid possible confusion and ensure proper operation EC l END CAP If only one amplifier is installed in a car these end caps can be placed at either end of this amp to protect the control settings and wires If two or more amps are used an EC l can be mounted between two amps to bridge the gap between ...

Страница 21: ...signal voltage control Current draw efficiency 14 4 V dc full rated power 2 ch into 4 CI g Ee power high listening levels Battery voltage to maintain rated power Usable battery voltage Trigger line voltage Trigger line current draw Turn on delay time Thermal power rollback temperature non muting Input common mode rejection P er supply ripple rejection pte control gain range I I noise reduction due...

Страница 22: ...ssauga Ontario Canada L5N 1Rl Robert Bosch SA DE C V Dr Lucia 270 Cols Doctores Mexico 06720 Copyright 1994 by the Robert Bosch Corporation No portion of this work may be reproduced in any form without the written consent of the Robert Bosch Corporation The VELOCI and HUSHTM names are trademarked by Rocktron Corporation of Rochester Hills Michigan U S A Printed in the U S A 41941 ...

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