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Old 12th August 2012, 11:59 PM  
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
Old 13th August 2012, 04:21 AM  
diyAudio Member
Join Date: Oct 2009
Location: kansas
Originally Posted by Triden312 View Post
I think I found all the part no.'s except for the resistors. Any idea on those R147/148?
Do you have a p/n for these
Old 13th August 2012, 04:33 PM  
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
I don't have a part number. You can look it up on the site where you're buying parts. I think they're 2512 parts (0.25" x 0.12"). Measure them with a dial caliper.
Old 28th August 2012, 02:27 AM  
diyAudio Member
Join Date: Oct 2009
Location: kansas
Hey Perry, Yes that is the size of the resistors, am I correct at their value 1ohm? (their open) also I am having difficulty finding a replacement part for D408 FAF37 would you happen to know one? Lastly D400 is it 5H or 15H.
thank you so much Perry,, You the man
Old 28th August 2012, 03:30 AM  
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
Yes. 1 ohm.

ES2D is the part number. It should be printed on D408.

I think the mark that looks like a 1 may be a logo or some other mark. It's likely 5H but you should confirm that with MTX.
Old 19th September 2012, 06:47 PM  
diyAudio Member
Join Date: Sep 2012
Hi, I don't know if this helps you out any, but MTX will repair/replace this amp for $95.00 If you call them @1-800-225-5689 and tell them your problem . They'll give you an RA# and address to send it to. They call you after they receive it to get your credit card info & send it back to you all for $95.00.
I've had my TA7801 for 6 years and have done it 2 times. Their service dept. is great and so is everyone I've dealt with. It's actually Mitek Corp. in Phoenix.
They'll do this for the life of the amp, although now that you've taken it apart they might void their warranty. You can give it a try though. Good Luck with what ever you do. John.


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