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home studio power amp recs

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Anonymous   09-12-2005 at 04:20:55 AM

Archived from groups: rec.audio.tech (More info?)

 

All.

I have a MOTU 828 mkII connected to an Alesis RA300 2 channel power amp
driving 2 Event 20/20s. I believe the amp is going bad. After about 20
minutes of playing audio, both channels start to crackle. It started a
few months ago in just the left channel, now it's both. The headphone
output on the 828 sounds great. I suppose it could be the main outs on
the 828, but it seems more likely that it's the amp (IMO).

1. What are my options as far as repairing the amp? I live in Portland,
OR.
2. Can anyone recommend a good replacement amp for this setup?

Thanks,
--b

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Anonymous   09-12-2005 at 05:00:46 PM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

<cbnewman@gmail.com> wrote in message
news:1126502455.408028.255720@z14g2000cwz.googlegroups.com...
> All.
>
> I have a MOTU 828 mkII connected to an Alesis RA300 2 channel power amp
> driving 2 Event 20/20s. I believe the amp is going bad. After about 20
> minutes of playing audio, both channels start to crackle. It started a
> few months ago in just the left channel, now it's both. The headphone
> output on the 828 sounds great. I suppose it could be the main outs on
> the 828, but it seems more likely that it's the amp (IMO).
>
> 1. What are my options as far as repairing the amp? I live in Portland,
> OR.
> 2. Can anyone recommend a good replacement amp for this setup?
>
> Thanks,
> --b
>

Might be worthwhile to try a different power amp just to be sure - the MOTU
(preamp?) might have a separate headphone amp stage.

Mark Z.

Reply to Anonymous
Anonymous   09-13-2005 at 01:24:26 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

Try feeding the amp from another source. If it doesn't crackle, I would
suspect buffer underrun in the 828's drivers...

Reply to Anonymous
Anonymous   09-15-2005 at 02:43:30 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

that is an interesting hypothesis. can you elaborate?

Reply to Anonymous
Anonymous   09-15-2005 at 02:46:49 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

that is an interesting hypothesis. can you elaborate?

Reply to Anonymous
Anonymous   09-15-2005 at 02:48:50 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

could this be consistent with the observation that the headphone
channel does not exhibit the same characteristics?

Reply to Anonymous
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