I'm know this is a stupid question
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Tourer
Joined: Jul 2016
Posts: 303
Likes: 17
From: alabama
I'm know this is a stupid question
Ok, while going through steps of resetting my gains with my DSR1. I put the gains on 0 then I put the hu on the max output 3/4 .test 1000hz while turning the gain up it started distorting at about 6 o'clock. Channel 1&2. I'm using a DD1. Then I kinda thought it can't be right. So then I tested 3&4 and it when to about 12 Oclock before it started to destort. I don't think that was right, so I'm asking , setting a 4 channel amp am I just setting the gain on 1&2 or all four channels? Why should a big difference in the front and rear change. Channels.?
Ultimate HDF Member
Joined: Mar 2015
Posts: 6,446
Likes: 873
From: TEXAS
With that DD1 u want to test everything. Start by testing when the HU gets dirty then that becomes ur max.
Then go channel by channel fir all amp outputs that are controlled by a gain ****.
U lost me when u said 6 o'clock. The gain usually starts a 7 o'clock so how is it distorting at 6.
T
Then go channel by channel fir all amp outputs that are controlled by a gain ****.
U lost me when u said 6 o'clock. The gain usually starts a 7 o'clock so how is it distorting at 6.
T
Thread Starter
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Tourer
Joined: Jul 2016
Posts: 303
Likes: 17
From: alabama
With that DD1 u want to test everything. Start by testing when the HU gets dirty then that becomes ur max.
Then go channel by channel fir all amp outputs that are controlled by a gain ****.
U lost me when u said 6 o'clock. The gain usually starts a 7 o'clock so how is it distorting at 6.
T
Then go channel by channel fir all amp outputs that are controlled by a gain ****.
U lost me when u said 6 o'clock. The gain usually starts a 7 o'clock so how is it distorting at 6.
T
Seasoned HDF Member
Joined: Jan 2013
Posts: 10,637
Likes: 1,246
From: Lake, Ms
Originally Posted by Eric Steward
Ok, I turned it all the way to the left. Then I started turn to turn the gains and when it got straight up and down the light on the DD1 turned red. I back off ,then I did channel 3&4 and when to 1 oclock. I said WTH....never did that before.
Stellar HDF Member
Joined: Mar 2010
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From: Black River Falls, WI.
My very simple input is that there is never a stupid question!! Ask away brother. We are lucky to have some really good knowledgeable helpful guys around here that are happy to help out. Thats what has always made this a great forum. You will learn something and hopefully will be able to help someone else down the road.
Kris
Kris
Seasoned HDF Member
Joined: Jan 2013
Posts: 10,637
Likes: 1,246
From: Lake, Ms
Originally Posted by SBates08
That's because it was obviously wrong before. You should never have to go past the 12:00 position. 1:00 at the absolute most.
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Tourer
Joined: Jul 2016
Posts: 303
Likes: 17
From: alabama
I know, it never did that before. I was taken Haze advice and the 5 steps he recommended. Start with the gains. I think I read somewhere that you had to start setting your gains before you install a DSP and after it is in. Please verify if that is true, please.
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Cruiser
Joined: Oct 2017
Posts: 152
Likes: 14
From: South Side Chicago
You set gains after dsp is installed. Also that dsi-2 puts an extra couple volts so you might want to tune the master volume down on the dsp a few Dbs to make it easier to set the gains in the amp. I think it outputs 5 volts?
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Tourer
Joined: May 2007
Posts: 356
Likes: 24
From: Illinois
I believe he is using. DSR1 for the dsp. If so, when you did the original settings, what output voltage did you tell the DSR1 is coming from the head unit? If you have a head unit that only does 2 volts, but you didnt tell it to correct for that, that may be an issue. I know if you tell it that you have say a 1 volt input, it will ramp up the output side.
Elite HDF Member
Joined: Aug 2008
Posts: 4,150
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From: S. FL
If you are having different gain settings on the same amp, pull out the digital multi meter and measurer your voltage. Don't just rely on the little red light on a DD1, measure the voltage brotha!