What reasonable priced HU(if any) are there that will give me an output of 8 volts to an external amp?
I want to be able to crank my gain.
THANKS
F**k How You Feel
What reasonable priced HU(if any) are there that will give me an output of 8 volts to an external amp?
I want to be able to crank my gain.
THANKS
CarAudio.com Veteran
eclipse has 8V sub-outs i beleive.
Originally Posted by chase007
after i explained to him there's more to a proper box than boards and glue and he should practice before trying to sell boxes to others
after i told him that customers would care about the looks of the box
Banned
By "crank" I assume you mean crank it way down?
Eclispse, as mentioned. Pioneer has some units that are 6.5V
Abministrator
What ?
1. why would you do such a stupid thing
2. the higher the preout voltage the lower the gain you need
Supa's mom was here!
You don't really need a hi preout voltage. Just look for HU's with low impedance outputs.
F**k How You Feel
?
I thought you were suppose to match the gain with the ouput voltage the HU puts out. So I figured if I were to buy a HU that has a 8v sub out I would be able to set the gain to 8V.
BTW, I really dont know much, just a little more than the basics.
SRT 4 (neon with balls)
Go check out the gain setting tutorial
"There is not anything in college that I have learned that life did not teach me first"
Pioneer Premier DEH-P860MP - Head Unit
Alpine SPX 177R - Componets
Orion 3002 - Componet Amp
Alpine SWR-1241D x 2 - Subwoofers
Soundstream VGA800.2 - Subwoofers Amp
1
M (2.71828) r^2 (__) _____
4 l x^2 ( force)
____
(acceleration)
=
Figure that out and you get a cookie
Banned
Yes, it allows you to turn your gain down (setting your gain to 8V is actually turning it down, not up). But, the one of the main advantages to this is reduce possibility for noise from the amp. If your amp has no noise issues at 4V, then 8V isn't going to sound any different. It's also supposed to help reduce the chance for induced noise when being transferred via the RCA wire. But again, if you have no noise with a lower voltage HU, then you aren't going to notice a difference.
F**k How You Feel
ok, makes sense
learned something new. LOL
THANKS
Junior Member
i did a test with a alpine head unit and a rockford head unit. I did the test about a yr ago so i dont remember what model alpine it was but it was 4v and the rockford was 5v. I put in a test cd and at about 1/2 volume on the alpine it was giving out 5% distortion, at about 1.5v. The rockford head unit went all the way up to 5v with less than 3% distortion. So there is alot more to a head unit then how strong its signal is.
CarAudio.com Elite
So with my Kenwood HU(2 volts) I'll have to crank my gains almost all the way up? Is this not good for the amp? I believe I can get some processor for my unit and it would make the output 4 volts. Is that something I should look into?
HU: Kenwood Excelon DDX-7015
Sub Amp: US amps MD2D
Sub: 12" RE XXX
Comp Amp: SS Reference 700s
Comps: CDT HD-62
Rearfill: CDT CL-6X
Box: 2.5 cuft after displacement
Kinetik HC1800
OG 185a HO Alt
100 sq ft eDead
Custom Trunk
Banned
Higher gain = more chance of the amp having noise
Electrical Weenie
IMO preout voltage is highly overrated. There are plenty of SQ systems out there with 2V preouts. It's worth getting higher outputs if you're buying a new HU, mostly because other specs also improve with upper end models. But using a line booster is a waste unless you're experiencing hiss from the amp. Anything you add inline adds to distortion.
dave
----------
1999 Buick Park Ave Ultra
Head Unit: JVC KWHDR720
EQ: Audiocontrol EQL
Front Stage: Hybrid Audio Technologies Imagine 5.25
Sub Stage: In process (will be Boston G310)
Amp: Boston Acoustics GTA-704 4 Ch
Rear Fill: Boston SE953 6X9's
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