Upgrading sound: Found this on Auditt.org...
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Joined: Mar 2001
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Upgrading sound: Found this on Auditt.org...
HAS ANYONE TRIED THIS? HOW WELL DOES IT WORK? & HOW DO I GET MY HANDS ON THESE TOOLS OR WHO WILL DO IT? Thanks Ahead... : )
Coding Bose for MEGA Bass:
The Concert radio can be coded for two different Bass/Treble Vehicle-specific tone control slopes. One is for Bose/Concert and the other for Concert only. You can change this setting by recoding the radio module with either a VAG1151/1552 or VWTOOL. The standard coding for a TT w/bose and secondary display is 00517. If you don't have a cd changer, secondary display, etc. this value may vary in the first decimal place (see page 5 of audi tech document on adding a CD-Changer for complete details. URL at end). We are only concerned with the value at the second decimal place (in the example above it is 1 for Bose tone slope). If you have the radio recoded and change the 1 to a 0 (zero), you will enable the other Vehicle-specific tone control.
Once the radio is recoded you will notice the "Bose" missing from the display on powerup. The Bass/Treble range is now +-6 but the adjustment is more dramatic.
I must say, the effect on the Bass is incredible! It may not be a "true" sound in the Bose universe but many will find it an improvement.
Coding Bose for MEGA Bass:
The Concert radio can be coded for two different Bass/Treble Vehicle-specific tone control slopes. One is for Bose/Concert and the other for Concert only. You can change this setting by recoding the radio module with either a VAG1151/1552 or VWTOOL. The standard coding for a TT w/bose and secondary display is 00517. If you don't have a cd changer, secondary display, etc. this value may vary in the first decimal place (see page 5 of audi tech document on adding a CD-Changer for complete details. URL at end). We are only concerned with the value at the second decimal place (in the example above it is 1 for Bose tone slope). If you have the radio recoded and change the 1 to a 0 (zero), you will enable the other Vehicle-specific tone control.
Once the radio is recoded you will notice the "Bose" missing from the display on powerup. The Bass/Treble range is now +-6 but the adjustment is more dramatic.
I must say, the effect on the Bass is incredible! It may not be a "true" sound in the Bose universe but many will find it an improvement.
Car Nut
Joined: Oct 2000
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YES YES YES! WORKS!!
I had this done right away - after learning about it on the forum! I'm very pleased with it ...<ul><li><a href="https://forums.audiworld.com/tt/msgs/148029.phtml">My early review of the MEGA bass option ...</a></li></ul>
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