Handling” section for more information. For more complex designs, such as single and dual-vented Band-pass types, we suggest you opti- mize your design with JBL SpeakerShop, a speaker system design software for a P.C. running Microsoft Windows, available from your JBL dealer. If JBL...
These “Transfer Function Compensated” tuning recommendations result in small enclosures with excellent in-car low fre- quency performance. JBL SpeakerShop 1.0 1000 2000 Normalized Amplitude Response (dB/Hz) Vehicle Transfer Function In Car Response Curve –6...
NOTE: Try to use a port tube no smaller than 1/3 the diameter of your speaker. Using a smaller diameter port can result in “whistling” or “breathing” noises. 4. The required port length is found at the point where the vertical line you’ve drawn intersects...
Enclosure Construction Tips The GTi Subwoofer will only sound as good as the enclosure it is mounted in. Build an enclo- sure that meets the guidelines listed below and you will get the high performance bass you sought when you stepped up to GTi. 1.