Billz428

Thanx , your explaination really helped.

These are my settings Front L- 40in- 1.5 delay Front R- 60in- 0.0 Rear L- 32in- 2.1 Rear R-56in- 0.3 Sub -32in- 2.1 How do I use these numbers to adjust my Bass Focus?

Got this off Crutchfield http://a248.e.akamai.net/pix.crutchfield.com/Manuals/500/500CDA9815.PDF 9811-9813-9815 share the same book. Bass Focus page 18.

I have the 9813 model head unit it has a time delay feature , easy to set by plugging in your speaker to listening position. Alpine`s web site can give you the settings for your TD . The Bass Focus is a separate feature but when adjusted it affects the time delay. I would like to use the Bass Focus but I do not understand the instructions completely. Is any one else here using this feature and how is it set?

Thanx every one. I have added material inside the boxes to reduce internal volume , played around with the EQ, it all helped some . In fact I may have like the bigger .95 box volume over the smaller recommended .65 . Music wise it sounds great. I was hoping for more impact , but 300 watts going to two 10 in subs just does not get it done! This late spring when I have warmer weather I will add 4 ga wire, install the Pioneer amps, make any upgrades as needed. I have the two amps now Pioneer GM- 6400F 60x4 @ 4 ohms and the Pioneer GM-8400M 600 watts @ 2 ohms. They appear solid and of decent quality really no different than the Alpine PDX-5 they are replacing . However the PDX-5 is really small and powerful for its small size. We will see how they sound later, I do hate giving up the small size for more power though..

I gave up on the 5-channel amp idea for the truck. Pioneer Amps. Where do they stack up in the amp world now? I don`t compete or am I looking for that perfect sound stage. I need a solid quality, reliable amp. Pioneer GM-D8400M 300x1 4 ohm, 600 x1 2 ohm. PIONEER GM6400F 60x 4 4 ohm. I got these cheap off Ebay. I,m moving the PDX-5 75x4-300x1 to the Trans Am , selling the 5 channel Hifonics Zues 55x4-200x1. The Polk MM series 5.25 front and 6x9 rear and the new 12 MM will really like the Alpine power . The HU for the TA is Alpine 9833. http://www.cardomain.com/ride/3228763 The Trans Am

Phase is good, both subs are connected + to+ to Amp + . I will add some material to the sub box to shrink up air space, get it closer to ,65 cu ft. Thanx every one.

Thanx guys , I going to up-grade the power wire to 4ga, re-check the deck settings. The Alpine 9813 has time delay, crossover settings,Parametric EQ. I changed nothing on the deck, but I changed boxes and added a extra sub. The Polks call for .65 cu ft it now has .95 cu ft. SQ is the goal not SPL or Rap boom. I want to stay a single amp for wiring ease and space issues.

I would like some input on 5 channel amps from - Polk Audio PA1100.5 PowerBass ASA 1100.5x Infinity KAPPA FIVE Kicker 08ZX700.5 Hifonics ZXi 8010 US AMPS AX 5600 Budget $300.00 to $400.00 My Alpine PDX-5 is clean sounding, just lacking in the thump dept. I sold my old Alpine F353 as it was getting old and I wanted more thump. My system is Alpine 9813 HU, Alpine PDX-5 amp, Polk DB 6.75 components,Polk DB coaxails 4x6 rears, 2-10" Polk MOMO subs @ 2ohm, in a down firing box in a 98 GMC ext cab truck. 120 amp alternator, large conventional battery, 1frad cap, 8 ga power wire.