Automotive Subwoofers Owner’s Manual
GTO1020 GTO1020D GTO1220 GTO1220D
GTO SERIES
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Page 1: ...Automotive Subwoofers Owner s Manual GTO1020 GTO1020D GTO1220 GTO1220D GTO SERIES ...
Page 2: ...s optimized for a particular speaker so they require the smallest amount of space inside the vehicle Vented enclosures provide better efficiency in the 40Hz 50Hz range but this efficiency comes at the expense of sound in the lowest octave below 40Hz and at the expense of some control and power handling If you are using a small amplifier a vented box will provide more bass output from less power Ve...
Page 3: ...aker impedance wire resistance and the D C resistance of any crossover coil connected to the woofer to amplifier output impedance Therefore connecting separate woofers in series reduces the damping factor of the amplifier 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 amplifie...
Page 4: ... 16 154mm 6 1 16 154mm 6 13 16 174mm 6 13 16 174mm Cut out diameter 9 229mm 9 229mm 10 7 8 277mm 10 7 8 277mm JBL Consumer Products 250 Crossways Park Drive Woodbury NY 11797 1 800 336 4JBL 4525 www jbl com 2002 JBL Incorporated JBL is a registered trademark of JBL Incorporated Part No GTO1020 D GTO1220 DOM Specifications JBL GTO Series Declaration of Conformity We Harman Consumer International 2 ...
