amp guts...name that amp - AudioJunkies
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Old 07-31-2008, 05:58 AM   #1
 
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Default amp guts...name that amp

One of my current favorites. Nothing particularly special, but does everything mostly right.



Let me know your thoughts or if you know the make and model.
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Old 07-31-2008, 02:16 PM   #2
 
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Guessing by the rectifier, transformer, wings on transistors, and heatsink I was thinking Hafler. But they don't use a heatsink exactly like that.

I know it isn't Rotel, Adcom, or Classe.

So I don't know...
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Old 07-31-2008, 03:40 PM   #3
 
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Infact it is a Halfer. Lateral Mosfet goodness. You are partially right on the heat sink?

Which series used this heatsink?
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Old 07-31-2008, 03:49 PM   #4
 
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That I don't know...


But I can play this game too.

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Old 07-31-2008, 04:04 PM   #5
 
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9505? Is that the model?
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Old 07-31-2008, 04:23 PM   #6
 
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Figured it out...


It is a 9270...
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Old 08-01-2008, 02:02 AM   #7
 
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Think yours is DH200, but the rackmount model (P200?). 9270 is close. Count the ouput devices and you'll see it's a 9180.

That was fun. Anyone else?
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Old 08-01-2008, 04:45 PM   #8
 
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It is a Hafler P230.


The sad thing is that one channel is toasted beyond repair... It was used in a church for years. My dad purchased it in a kit and built it. Pretty sweet sounding amplifier


Ok, I got a really hard one. This is an old old old amplifier.

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Old 08-01-2008, 08:19 PM   #9
 
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That does look old.

No real heatsink, transistor (bi-polar design maybe?), dual transformers. Old capacitors.

Don't really have clue. Perhaps a heathkit (non-tube) or an altec design. Really reaching here.
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Old 08-01-2008, 08:57 PM   #10
 
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Well it is kind of unfair, because it is an OLD OLD OLD High Impedance amplifier for running 70 volt line speakers.

But, anyway it is a SPECO PAT-120.
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