Maybe I missunderstood, but the fact that you say you can turn the volume up higher with the new amp instead of the old one leads me to think your gains are not properly adjusted. Your gain should be adjusted with your deck at the max unclipped volume. (You should be able to turn the HU to the same volume# no matter what amp you are running) If done correctly your amp shouldnt be putting out full power till your HU is at its highest unclipped volume. You should'nt be dimming untill you are at nearly max volume, unless you have real weak electrical or poor connections. Having the gain even a tiny bit to high can cause severe dimming also.
Originally Posted by macsdad
My Alpine 9887's max un-clipped volume is 32/35 when running a -3db 45hz test tone with all HU settings set flat and loudness/MX mode turned off.
WTB Alpine KTX-100eq Please PM me if you have one to sell. 3/14/13
2001 Taurus Work In Progress: HU- Alpine 9887, AMPS- RF T1500-1bdcp, a/d/s M860, Front Stage 2- 6.5" Silver Flutes, 2- Seas Prestige tweets, Rear Stage-CDT HD69cfx Sub Stage 2- AB XFL 1544's, Mobile Enclosure designed box Processing 1-AudioControl EQX Series II, Electrical- 220amp HO alt, lots of 0/1 welding cable,2-yellow top Optima's, Security Viper 2way and XD9 subcompact
SOLD or Purchased from: CD6551, ace_800, underfire , Cyclone9, mclsound, mylows10, BigSix.....