Need a 2 or 4 channel amp recommendation - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 07-05-2019   #1
 
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Default Need a 2 or 4 channel amp recommendation

I am looking at playing around with rear fill, but this means I need another amp.

This leaves me with some options. I currently have a pdx-v9 on my tweeters (M25) and mids (TM65). This puts out about 120 watts to the mids and I set it around 75 watts for the tweeters.

Here are my options.

1) Pick up a 2 ch amp (probably a zapco st-2xsq) for the tweeters and then run rear fill off of the pdx-v9. Probably the cheapest route

2) Pick up a cheap micro amp to run rear fill off of (probably the alpine ktp-445u)

3) Pick up a used 4 channel amp to bridge and use it on my TM65's to get them more clean power and then run tweeters and rear fill off of the pdx-v9. Probably a pdx-f4/f6 so I can stack them or something smaller.

The problem is space. This is in an f150 so I don't have a lot of it. Picture attached showing what I am working with for space. The amp rack is built as big as possible so whatever amp I choose, needs to fit on it.
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File Type: jpg IMG_8069.jpg (1.17 MB, 9 views)
File Type: jpg IMG_8070.jpg (1.11 MB, 9 views)
File Type: jpg IMG_8081.jpg (1.12 MB, 9 views)

2014 F150 Limited -> Factory HU programmed for 4v outputs -> Helix DSP.2 -> Alpine PDX-V9 -> SI M25 in Valicar Stuttgart Pods, SI TM65 mk3, & JL TW3. Rears: SB17's. Resonix 35% CLD and 100% CCF, 100% MLV, Soon: PDX-F6 and SI M3 in Valicar Stuttgart pods
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Old 07-05-2019   #2
 
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Default Re: Need a 2 or 4 channel amp recommendation

These little guys look interesting. Looks like it would fit right above the Alpine nest to the Helix

https://www.audiocontrol.com/car-aud...iers/acm-2300/
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Old 07-05-2019   #3
 
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Originally Posted by willis36 View Post
These little guys look interesting. Looks like it would fit right above the Alpine nest to the Helix

https://www.audiocontrol.com/car-aud...iers/acm-2300/
That doesn't look bad, but at $300 I can pick up a used pdx-f6 and stack it on the v9.
The st-2x Sq is $65 and the ktp-445u is $120

2014 F150 Limited -> Factory HU programmed for 4v outputs -> Helix DSP.2 -> Alpine PDX-V9 -> SI M25 in Valicar Stuttgart Pods, SI TM65 mk3, & JL TW3. Rears: SB17's. Resonix 35% CLD and 100% CCF, 100% MLV, Soon: PDX-F6 and SI M3 in Valicar Stuttgart pods
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Old 07-05-2019   #4
 
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Default Re: Need a 2 or 4 channel amp recommendation

The ST 2x SQ is a bit over rated in my opinion. I'm willing to bet that Alpine is a better sounding amplifier than the ST 2X SQ by a smidgen. That AudioControl looks nice and I have always had good luck with AudioControl products. I also happen to think rear fill is a waste of time too but you don't want to hear that. The only vehicle I run rear fill in is my minivan and only when the kids are watching moves back there, otherwise I fade them out. They are cheap Kicker coaxial speakers that actually sound kind of decent run off the head unit power.

Sienna SB29 Focal PS165V Alpine SWS10 Mazda CX5 AF GB15 AF GB60 AF GB12 Ford F150 AF GB10 JLC5 Sundown SD310.
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Old 07-05-2019   #5
 
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Originally Posted by JCsAudio View Post
The ST 2x SQ is a bit over rated in my opinion. I'm willing to bet that Alpine is a better sounding amplifier than the ST 2X SQ by a smidgen. That AudioControl looks nice and I have always had good luck with AudioControl products. I also happen to think rear fill is a waste of time too but you don't want to hear that. The only vehicle I run rear fill in is my minivan and only when the kids are watching moves back there, otherwise I fade them out. They are cheap Kicker coaxial speakers that actually sound kind of decent run off the head unit power.
Ya, I've never played with rear fill before, but thought it might be interesting to play with since the helix can do the proper time delay.

I'm leaning towards a pdx-f4/f6 so I can get the tm65's a little more clean power and it would stack nicely and solve placement issues.

2014 F150 Limited -> Factory HU programmed for 4v outputs -> Helix DSP.2 -> Alpine PDX-V9 -> SI M25 in Valicar Stuttgart Pods, SI TM65 mk3, & JL TW3. Rears: SB17's. Resonix 35% CLD and 100% CCF, 100% MLV, Soon: PDX-F6 and SI M3 in Valicar Stuttgart pods
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