[ KB ] JBL audio system specs and measurements

tmorrowus · 07-11-2005, 12:22 PM

Category: Electronic Modifications
Type: Modifications

Article Name: JBL audio system specs and measurements
Author: tmorrowus
Description: Things that are useful to know when planning an audio upgrade

>>Read Full Article

DanMan32 · 07-20-2005, 08:33 AM

Good article, good useful information. I would suggest converting to PDF and posting the PDF itself.

It is clear that the outputs are not flat, but as one poster commented, it could be to compensate for the acoustics of the car.
Someone else posted a picture of the circuit board from overhead, you may want to include that. The 'power transistors' are probably power amp ICs. I really doubt it can be a 7 channel (FRW, FLW, FRT, FLT, C, RR, RL) discrete push-pull amplifier. That would require at least 14 power transistors, and there just isn't enough room for that.

07-11-2005, 12:22 PM	#1
tmorrowus Senior Member Join Date: Dec 2003 Posts: 444 My Car: Model: Package: Thanks: 1 Thanked 0 Times in 0 Posts Friends: 0	[ KB ] JBL audio system specs and measurements Category: Electronic Modifications Type: Modifications Article Name: JBL audio system specs and measurements Author: tmorrowus Description: Things that are useful to know when planning an audio upgrade >>Read Full Article

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07-20-2005, 08:33 AM	#2
DanMan32 Join Date: Aug 2004 Location: Tampa Bay, FL Posts: 3,775 My Car: Model: Package: Thanks: 0 Thanked 0 Times in 0 Posts Friends: 0	Good article, good useful information. I would suggest converting to PDF and posting the PDF itself. It is clear that the outputs are not flat, but as one poster commented, it could be to compensate for the acoustics of the car. Someone else posted a picture of the circuit board from overhead, you may want to include that. The 'power transistors' are probably power amp ICs. I really doubt it can be a 7 channel (FRW, FLW, FRT, FLT, C, RR, RL) discrete push-pull amplifier. That would require at least 14 power transistors, and there just isn't enough room for that.