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Old 9th March 2010, 05:45 AM   #1
col is offline col  Australia
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Default Peavey IPR 1600 Class D with SMPS

Iv'e been wondering when a cheap Class D with SMPS would arrive in the pro audio amps market. I guess this is it.

Anyone had any experience with these yet? I suppose they are relatively new. The specs are impressive.

The Blurb:

The Peavey IPR 1600 stereo power amp features 830 watts per channel at 2 ohms and weighs in at 7 pounds! The IPR1600 also has 2 channel independent fourth order Linkwitz-Riley crossovers, a variable-speed fan housed in a lightweight aluminum chassis, patented DDT speaker protection, and the revolutionary new IPR class D topology.

The groundbreaking IPR series utilizes an advanced design that allows Peavey engineers to dramatically reduce weight while increasing output power, reliability and thermal efficiency. IPR Series amplifiers are designed with a resonant switch-mode power supply and a high-speed class D topology that yields the highest audio resolution and efficiency available. This revolutionary amplifier offers the sonic superiority and unsurpassed reliability for which Peavey is famous, in an extremely efficient and lightweight design. Advanced technology and extensive protection circuitry allow operation with greater efficiency into difficult loads and power conditions. The DDT™ (Distortion Detection Technique) circuitry ensures trouble-free operation into loads as low as 2 ohms. DDT protects drivers and ensures that sonic integrity is maintained, even in extreme overload conditions. The IPR's high-efficiency design allows the amplifier to operate at very low temperatures, and does not require massive heat sinks to cool.

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Old 9th March 2010, 12:56 PM   #2
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There's a thread over at AVSforum, in the DIY section.

Have you seen them available in Aus for sale?
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Old 10th March 2010, 05:44 AM   #3
col is offline col  Australia
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Originally Posted by fb View Post
There's a thread over at AVSforum, in the DIY section.

Have you seen them available in Aus for sale?
Not yet, the Aus Peavey dealership is a bit lacking, doesn't even sell speaker components, well they are not on the website.

The AVSforum thread is very interesting.

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Old 11th March 2010, 11:47 AM   #4
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Any amp designers interested in Class-D powered by SMPS should really have a read of the IPR1600 thread over at avsforum.com. Its very interesting as the Peavey IPR designer is in there defending his design.

Peavey IPR class D amps - AVS Forum

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Old 12th March 2010, 03:53 PM   #5
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So whats the take on these ipr 1600s from some more diy amp builders?

To me everything on the AVS forum has to been taken with a grain of salt, because all they care about is true continuous power and bang for buck in the $/watt ratio.

Last edited by brookbh; 12th March 2010 at 03:56 PM.
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Old 13th March 2010, 04:45 AM   #6
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hey guys, anybody seen overall efficiency of that ipr1600? I didn't.. Actually, pro amps can provide rated power only for short term, so this is not a question of power density in an industrial meaning.
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Old 18th October 2010, 08:07 PM   #7
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Just dredging up an old thread for some opinions. Any opinions on this amp after using it a bit re: sound quality, quiet operation, build quality, etc.? Seems to be quite competitive in price.
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Old 18th October 2010, 08:16 PM   #8
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Originally Posted by Racket Scientist View Post
Just dredging up an old thread for some opinions. Any opinions on this amp after using it a bit re: sound quality, quiet operation, build quality, etc.? Seems to be quite competitive in price.
I have 2 of them that I bought for PA duties. Haven't got around to using them for that yet though as I am still building speakers.

Iv'e tried them both in my home HiFi, heaps of clean power, fan a bit noisy, blue lights painful. Wouldn't take much modding to make these a killer HT amp though.

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Old 18th October 2010, 08:20 PM   #9
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I have another Peavey class D amp that has an annoyingly loud fan. Is there a drop in replacement that is nice and quiet? What other mods would you consider for these amps?
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Old 21st October 2010, 02:33 PM   #10
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Anybody with any further opinions on these? I'm especially curious about percieved differences in sound quality between these and other class D offerings. Are these in the same ballpark sonically with the amps using the Hypex modules?
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