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Mtx ta92001 distorted output.
Mtx ta92001 distorted output.
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Old 26th March 2019, 12:29 PM   #121
Perry Babin is offline Perry Babin  United States
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It's marked C1. That should make it an SST111. The MMBFJ111 was used in some of the amps. It was marked 6P.
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Old 26th March 2019, 12:37 PM   #122
kfx5050 is offline kfx5050  United States
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I can't tell what it use to say the top of it is missing. The one next to it looks like 1GMX
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Old 26th March 2019, 12:50 PM   #123
Perry Babin is offline Perry Babin  United States
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See attached.
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Old 26th March 2019, 01:02 PM   #124
kfx5050 is offline kfx5050  United States
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Thank I will go pick up both and see wich one works.
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Old 26th March 2019, 05:13 PM   #125
kfx5050 is offline kfx5050  United States
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That axial resistor the one that got hot do you happen to know which value they used in the Amplifer? My is so hot the colors are faded. I call mtx Tom was pretty rude and didn't wanna release any values for the part. His return was "it's like going to restaurant asking for the recipe."

Last edited by kfx5050; 26th March 2019 at 05:19 PM.
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Old 26th March 2019, 05:55 PM   #126
Perry Babin is offline Perry Babin  United States
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Try MTX again and get someone else. They have always given this information in the past.

What does it read in ohms?
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Old 26th March 2019, 06:12 PM   #127
kfx5050 is offline kfx5050  United States
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called them again they said that they no longer release that information due to the fact they no longer have a repairs facility. they just simply doing exchange and they no longer authorized repairs. Will post what it's reading in 2 hrs. Away from my home right now.
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Old 26th March 2019, 10:14 PM   #128
kfx5050 is offline kfx5050  United States
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Resistor measure 6.98 kohms
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Old 26th March 2019, 11:43 PM   #129
Perry Babin is offline Perry Babin  United States
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A similar amp uses 10k, 2w.

If you replace it, using a larger resistor with leads left long are less likely to melt the solder.

If you use a 10k, confirm that the voltage at the opto-couplers remains constant during operation.
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Old 27th March 2019, 04:54 AM   #130
kfx5050 is offline kfx5050  United States
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Got it all put back together. As soon I hook up the remote wire with a subwoofer to the amp. The sub is playing a very load tone and it push the subwoofer almost to full exersion.with no RCA hook up too the amp thermal and short light is flickering with a weird clicking noise coming from amp

Last edited by kfx5050; 27th March 2019 at 04:58 AM.
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