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Author Topic: Integrated amp: repair or replace  (Read 1165 times)

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Offline Massive Dynamic

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Integrated amp: repair or replace
« on: January 19, 2025, 05:14:50 PM »
I’ve got an inexpensive Class D amp in my system taking the place of a nicer Class A amp that developed a hum. A job layoff delayed sending it in for repair, and now the amp is at least 20 years old.

If I replace that Class A amp, here’s what I need:
-must drive 4-ohm speakers
-dedicated sub-out or pre-outs
-4+ inputs

Amps from NAD or Arcam might do, but I’m open to recommendations for gear I’ve not found in my initial searches. Budget is ~$700, which is a bit more than the anticipated amp repair costs.
Naiant X-X > SP-SPSB-1 > M10
Superlux S502 > Denecke PS-2 > Hosa MIT-435 > M10

Offline grawk

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Re: Integrated amp: repair or replace
« Reply #1 on: January 19, 2025, 05:43:59 PM »
Which class D amp? I prefer my ice power based diy class d amp to my old hafler and marantz class a amps.
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Offline Massive Dynamic

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Re: Integrated amp: repair or replace
« Reply #2 on: January 19, 2025, 06:29:11 PM »
Which class D amp?

A Panasonic XR-25 that I paid a little over $100 for. It's ok, but it doesn't sound as good as the Primare. And the sub out quit working.
Naiant X-X > SP-SPSB-1 > M10
Superlux S502 > Denecke PS-2 > Hosa MIT-435 > M10


Offline Gutbucket

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Re: Integrated amp: repair or replace
« Reply #4 on: January 20, 2025, 09:57:05 AM »
I used a couple panasonic xr55s for years, the slightly later bigger brother of the xr25.  They sounded very good and were flexible enough for my needs. I especially liked their very transparent and particularly useful tone controls. Biggest problem was that the internal power supplies were a bit undersized. They weren't current monsters, but otherwise decent early class D. 
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Offline Massive Dynamic

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Re: Integrated amp: repair or replace
« Reply #5 on: January 20, 2025, 06:54:27 PM »
Auction item

How do you manage multiple inputs into this amp?
Naiant X-X > SP-SPSB-1 > M10
Superlux S502 > Denecke PS-2 > Hosa MIT-435 > M10

Offline Gutbucket

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Re: Integrated amp: repair or replace
« Reply #6 on: January 20, 2025, 07:02:01 PM »
I don't mean to speak for grawk, but the item linked is a two channel stereo amplifier only, with no input switching, no volume control, no anything else, just good amplification to drive a pair of speakers.  You'd need a preamp with source switching and presumably volume control as well between that and whatever the source components are.
musical volition > vibrations > voltages > numeric values > voltages > vibrations> virtual teleportation time-machine experience
Better recording made easy - >>Improved PAS table<< | Made excellent- >>click here to download the Oddball Microphone Technique illustrated PDF booklet<< (note: This is a 1st draft, now several years old and in need of revision!  Stay tuned)

Offline grawk

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Re: Integrated amp: repair or replace
« Reply #7 on: January 20, 2025, 07:44:56 PM »
I don't mean to speak for grawk, but the item linked is a two channel stereo amplifier only, with no input switching, no volume control, no anything else, just good amplification to drive a pair of speakers.  You'd need a preamp with source switching and presumably volume control as well between that and whatever the source components are.

Yup.
4015gs/4018a/kk14/nohype srm1->mma:a d-vice/sonosax sx-r4+/lectrosonics spdr/deity pr2/marantz pmd-430

Offline Massive Dynamic

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Re: Integrated amp: repair or replace
« Reply #8 on: January 21, 2025, 10:56:23 PM »
I don't mean to speak for grawk, but the item linked is a two channel stereo amplifier only, with no input switching, no volume control, no anything else, just good amplification to drive a pair of speakers.  You'd need a preamp with source switching and presumably volume control as well between that and whatever the source components are.

Yup.
That's what I inferred, but I don't think I'm interested in a DIY solution. I'm starting to learn toward getting my amp repaired.

I did a forum search, but did not see any reference regarding George Meyer AV in LA which is the authorized service center for Primare. I do see they have used equipment for sale, too.
Naiant X-X > SP-SPSB-1 > M10
Superlux S502 > Denecke PS-2 > Hosa MIT-435 > M10

Offline grawk

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Re: Integrated amp: repair or replace
« Reply #9 on: January 22, 2025, 06:04:53 AM »
That’s not diy, it’s a built amp. But it does require a preamp.
4015gs/4018a/kk14/nohype srm1->mma:a d-vice/sonosax sx-r4+/lectrosonics spdr/deity pr2/marantz pmd-430

Offline heathen

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Re: Integrated amp: repair or replace
« Reply #10 on: February 27, 2025, 02:48:17 PM »
Yamaha A-S801 fits the bill.  I love mine, and the loudness feature is awesome.
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