+ x 130 or 2 x 130 Watt Audio Amplifier
Limiting
and
HUSH@ Noise Reduction
ion de distorsion THD et
de bruit
con
de
THD y
U.S.A.
Bosch Group
Page 1: ...fier Limiting and HUSH Noise Reduction Amphwdia4x50ou2x50 1x130ou2x1300Watts ion de distorsion THD et Rbduction de bruit ifi dowdeaudio4x50o2x50 1 x130o2x130 10s con limitacibn de distorsiiin THD y Re...
Page 2: ...ements 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 cr...
Page 3: ...u 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 l...
Page 4: ...hus 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 uni...
Page 5: ...his 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 effectiv...
Page 6: ...s 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 si...
Page 7: ...sible 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 th...
Page 8: ...s out the speaker leads 4 INPUT GAIN CONTROLS 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...
Page 9: ...has the capability to have its gain changed from a remote gain control optional and uses a standard RJ 11 telephone jack for interface Should more than one amplifier be used in an installation you ca...
Page 10: ...lifier They are 4 CHANNEL MODE full range audio 3 CHANNEL MODE 2 channel high pass l channel low pass and 2 CHANNEL MODE 2 channel full range or low pass subwoofer Possible in car configurations will...
Page 11: ...r configuration You simply run RCA cables from the radio back to the amp install a good set of coaxial front and rear speakers and then play loud Many head units today offer 4x15 watts at the high lev...
Page 12: ...icated 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...
Page 13: ...ss response and can be done using only one amplifier as shown below The amplifier must be capable of this multi mode operation you cannot simply hook up three speakers to any 2 channels and get this p...
Page 14: ...ing 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 t...
Page 15: ...sily done by connecting the lines of the two speaker outputs to the center conductors of the RCA jacks One common sjgnal ground reference wire is connected from the radio chassis to the shields of the...
Page 16: ...se can still enter the shields of the RCA cables if these are run near noise producing objects such as engine or braking system computers More common is alternator whine generated from ground point vo...
Page 17: ...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...
Page 18: ...ing 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 en...
Page 19: ...th 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 W...
Page 20: ...tors 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...
Page 21: ...t signal voltage control Currant draw efficiency 14 4 V dc full rated power 2 ch into 4 2 33 power high listening levels idle Battery voltage to maintain rated power Usable battery voltage Trigger lin...
Page 22: ...sauga 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...
