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I AM HIGHLY IMPRESSED BY THE EASE OF USE OF THIS DOWNLOAD SERVICE. INSTRUCTIONS ARE CLEAR AND SIMPLE TO FOLLOW....EVEN BY TECHNOPHOBES SUCH AS MYSELF. THE EMAILS POINT YOU IN THE RIGHT DIRECTION...ITS SO EASY PEASY. THE DOWNLOAD CHOICE OF USER MANUALS IS EXTENSIVE AND I COULD NOT FIND A CHEAPER OR MORE EFFICIENT SERVICE ON THE INTERNET. I COULD NOT HAVE MADE A BETTER CHOICE OF INFORMATION PROVIDER. SHOULD I EVER NEED ANOTHER USER MANUAL, THEN THIS IS THE FIRST CHOICE SITE. COULD NOT BE BETTER PLEASED!!!!!!!...MANY THANXES FROM JIM BURNS
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I was impressed with the quality of service (frequent e-mails to let you know the status of your order), and the speed at which the download became available. The manual was a life saver and was not easy to track down. Thank you for such an excellent service.
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the manual was just what i wanted it had all the revelent information required to operate the hifi .Iwould use any manual i downloaded for any item which needs a manual
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Die gewünschte Bedienungsanleitung wurde vereinbarungsgemäß in deutsch bereitgestellt. Sie ist gut lesbar. Kein Kauderwelsch.
Danke für den Service.
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GOOD SERVICE MANUAL GOT ALL THE INFO. THAT I NEEDED..
Connecting Your Subwoofer to Your Amplifier JBL GTO Series
JBL GTO Series subwoofers are available in two different con�gurations: as a single 2-ohm voice coil or as dual 2-ohm voice coils. Depending on the ampli�ers you are using, you may use either single-voice coil or dual-voice coil subwoofers in singles or multiples to maximize the power available from your ampli�ers. To achieve the maximum ampli�er output possible, you should design a speaker system that provides the lowest impedance that your ampli�er is rated to drive safely. When designing a subwoofer system, consider the following rules: 1. Don�t mix different subwoofer or enclosure types in the same system (use all single-coil woofers or all dual-coil woofers). 2. You may connect the coils of a dual-voice coil woofer in series, but we recommend that you avoid connecting separate woofers in series. The ampli�erdamping factor (the ampli�er�s ability to control the motion of the woofer) is expressed as a ratio of terminal impedance (the sum of speaker impedance, wire resistance and the D.C. resistance of any crossover coil connected to the woofer) to ampli�er-output impedance. Therefore, connecting separate woofers in series reduces the damping factor of the ampli�er to a value less than 1. This will result in poor transient response. 3. You must use both coils of a dual-voice coil woofer connected either in series or in parallel. 4. Most ampli�ers deliver exactly the same amount of power bridged into a 4-ohm load as they do running a 2-ohm stereo load. To design a subwoofer system that maximizes available ampli�er power, keep the following rules in mind: 1. The total system impedance of woofers in parallel can be calculated using the formula: Impedance = 1 1 + 1 + 1 ... w w w
1 2 3
Figure 1. Parallel connection
RED STRIPE POS ( + ) BLACK STRIPE NEG ( � )
POS ( + ) NEG ( � )
Figure 2. Series connection
RED STRIPE POS ( + ) BLACK STRIPE NEG ( � )
where w is the nominal impedance of the woofer. 2. The total system impedance of voice coils (or woofers) in series can be calculated using the formula: Impedance = w1 + w2 + w3 . . . The diagrams at right show parallel and series speaker connections.
POS ( + )
NEG ( � )
03
 $4.99 GTO1020 JBL
Service Manual Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagr…
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