Blaupunkt Velocity V7000, Manual

Page 1: ...tion Ampri audio 4 x 40 2 x 80 1 x 20 Watts avec limitation de distorsiun THD et R6duction de bruit HUSH Ampfificador de audio 4 x 40 2 x 80 1 x 20 vatios con ci6n de distorsi6n THD y Reduccidn de Ruidos HUSH Made in the U S A Bosch Group ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 8: ...hen switched ON the circuit greatly reduces all distortion products at high levels but is electrically transparent at all other listening levels In the OFF bypass mode the distortion limiting feature is disabled so typically unwanted clipping harmonics pass on to the speakers LEFT FRONT RIGHT FRONT I MONO Ll INPUTS These lines connect to the RCA output jacks of a radio or directly from the high le...

Page 9: ...telephone jack for interface The HUSH control on the remote controls the HUSH noise reduction for the Satellite and Subwoofer channels SUBWOOFER SPEAKER OUTPUTS These connections are used to connect loudspeakers with 1 ohm or higher speaker impedance in the 7 channel mode If any channels are placed into bridge mode speaker loads seen by these channels should NOJ be less than 4 ohms impedance Pleas...

Page 10: ... common include the following 716 MULTI CHANNEL SYSTEM MODE 615 CHANNEL HIGH SUBWOOFER POWER MODE 413 CHANNEL HIGH SYSTEM POWER MbDE Possible in car configurations will be covered elsewhere in this manual cwonal csn er Channel 7 CHANNEL MODE Full Multichannel System _ 6315 CHANNEL MODE High Subwoofer Power 413 CHANNEL MODE High System Power ...

Page 11: ...ng the audio spectrum 20 20 000 Hz into two parts e g above and below 100 Hz amplifier power and associated loudspeakers can be better proportioned to the needs of most music The obvious benefit in this configuration is minimum installation complexity and generally high 1 performance You simply run 4 RCA cables from the radio back to the amp install a good set of satellite and subwoofer speakers a...

Page 12: ...en the radio and amplifier Although the internal crossovers in the V7000 amplifier offer tremendous flexibility the user may wish to add dedicated crossovers for tweeters for example that fall outside the crossover frequency limits inside the amp Although this is rarely used but for competition vehicles and noise problems can be interjected due to additional cabling it is possible to easily add su...

Page 13: ...2OOW subwoofer 2x2OW center channel Such an installation will most likely be done by the competition user who is placing their car in a listening contest but such power levels are becomming common in average vehicles This configuration is achieved easily by configuring both amps in their respective bridge modes The LFlRF line RCA outputs of the radio are connected to the first amp and the LR RR li...

Page 14: ... normally requires the most power be in front as well Rear speakers are usually only used for Fill information to give the vehicle a spacious sound Using the power normally found inside the radio 2x15 watts or so to power the rear satellite speakers the V7000 amp can then be used to supply the high power for the front satellite speakers and the subwoofer This is a very good setup for those wanting...

Page 15: ...he lines of the two speaker outputs to the center conductors of the RCA jacks One common signal ground reference wire is connected from the radio chassis to the shields of the RCA lines connecting to the amplifier input High or Low Level Signal Input HIGH LEVEL CHASSIS GROUND LOW LEVEL AUDIO RCA LEADS t RR USE OF INTERNAL CROSSOVERS AND TONE CONTROLS Internal active crossover networks allow for th...

Page 16: ...ar 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 _ I Radio Equa...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 21: ...quency Input impedance Input signal voltage control Current draw efficiency 14 4 V dc full rated power 7 ch into 4 12 33 power high listening levels idle 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 ower supply ripple rejection P note control...

Page 22: ...ississauga 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 VELOCXY and HUSHTM names are trademarked by Rocktron Corporation of Rochester Hills Michigan U S A Printed in the U S A 11194 ...