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Xtant 603 build
Xtant 603 build
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Old 18th August 2011, 07:37 PM   #11
JLH is offline JLH  United States
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A 4" isn't enough to do much as you found out. An inexspensive midbass option that works well is the new Eminence Eminator 1508. Its Fs is right around 80Hz which makes it perfect to hand off to your subs. It has a cloth surround so you never have to worry about it dry rotting. They are also only like $32 a piece. The only down side, if you want to call it that, is it is 8 ohms. However, it is much more sensitive than most other car audio 8" so you probably won't notice a reduction in power from the higher impedance.
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Old 19th August 2011, 02:34 AM   #12
Recover is offline Recover
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I do not have any modules, I do however have all the sip chips. Could you explain your last statement a bit more.?

You may want to verify the bias on this amp to maximize the sound quality. I think I read on here that XTANT amps of this era tend to drift a bit. Certainly somebody correct me if I am wrong, the ones I had certainly did
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Old 19th August 2011, 03:54 AM   #13
RiLoWa is offline RiLoWa  United States
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I was thinking this amp was like the ones I had in that you had to utilize the accesory port for a crossover module. I forgot "X" in the model number meant crossover onboard, my mistake.

Here is a link to an older thread that discusses DC Offset and Bias, although I can't remember exactly where I read about the "XTANT's tend to drift" comment I made if it wasn't on this site somewhere.

xtant x604 dc offset

If you search around the site using "offset" and "bias" as key words, you'll find numerous discussions on how it's done with various amplifiers.

If after you read up on the process and you have a multimeter, I suggest that you take close up pictures of the audio section of the amp and start a new thread asking for this help.
Tools - 1. TPI Scope Plus 440 2. B&K 2125 20MHz Dual Trace 3. Sorensen DCR20-50B 4. B&K 4011 5MHz Function Generator 5. Weller WESD51 6. A big hammer
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