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older AB International- Scratchy Pots and a little static
- MAutopsy
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13 years 5 months ago #14258
by MAutopsy
older AB International- Scratchy Pots and a little static was created by MAutopsy
I have one older AB amp that is a little noisy. the volume pots are a little scratchy. Also, there is some slight static when there is no music, and is faintly present behind the mix. any ideas as to why? i know its old (mid 90's i believe), but none of my other ABs have the static issue. (they all seem to have the volume pot issue)
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- tony.a.s.s.
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13 years 5 months ago #14263
by tony.a.s.s.
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Replied by tony.a.s.s. on topic older AB International- Scratchy Pots and a little static
I assume you've tried switch cleaner in the pots. The amps are old so perhaps its just wear and tear. Dave martin was the first to import these in UK, I can't imagine there are many about here.
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- saul
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13 years 5 months ago #14267
by saul
Replied by saul on topic older AB International- Scratchy Pots and a little static
the one i know of sounds excellent smiley32
obviously they were all class AB , and build quality was good, so no surprise
just a shame they didn't do a super powered version
obviously they were all class AB , and build quality was good, so no surprise
just a shame they didn't do a super powered version
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13 years 5 months ago #14270
by tony.a.s.s.
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Replied by tony.a.s.s. on topic older AB International- Scratchy Pots and a little static
Saul, there was no super power when these were designed, these were some of the big ones at the time.
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13 years 5 months ago #14272
by saul
Replied by saul on topic older AB International- Scratchy Pots and a little static
i know.... these were back in the 90's smiley16
if they were around now though...
if they were around now though...
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- MAutopsy
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13 years 5 months ago #14283
by MAutopsy
Replied by MAutopsy on topic older AB International- Scratchy Pots and a little static
They are around. Abamps.com. I will try the contact cleaner.
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13 years 4 months ago #14334
by tony.a.s.s.
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Replied by tony.a.s.s. on topic older AB International- Scratchy Pots and a little static
Just looked at the site. Some interesting stuff there. It seems strange to see amps still made that size, still at least there will be plenty of room for air flow.
Peace and goodwill to all speaker builders
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