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Old 28th May 2005, 05:02 PM   #1
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Default FS: Velodyne subwoofer amps...

Hi All,

2 Velodyne amps to sell, plus one monitor audio.

I don't have dummy loads big enough to know if the class D amp really puts out 1kw RMS continuously, but it really can put out 150v peaks into an 8ohm load.

Velodyne SPL10, 1000w RMS, Class D amp - $350
If you aren't sure what you are doing, this amp might not be for you, it can put out more than enough voltage to kill you or someone else...

Velodyne DLS-R, minimum 150w RMS, Class AB amp - $100
Incorporates some sort of DSP, but I don't have the means to access the functions, the default 'mode' seems to work perfectly as a normal sub. If you get an infra-red reciever and the remote from Velodyne you can play with the other modes.

Monitor Audio Radius 360, 100w/4ohms, Class AB - $75
Based on the rail voltages and power output I measured, I think this amp is underrated, I used an 8 ohm woofer and was getting 100w easily, so I assume it can drive a 4ohm load to higher powers.

Pictures available apon request,

Stuart
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Old 28th May 2005, 09:44 PM   #2
Netlist is offline Netlist  Belgium
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A posted picture here might make it more attractive.

/Hugo
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Old 28th May 2005, 10:05 PM   #3
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Is that Monitor audio amp a sub amp or is it a 2 channel amp??


Zc
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Old 28th May 2005, 11:03 PM   #4
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Default monitor audio amp...

...is a sub-amp, from a radius 360 sub.

HTH

Stuart
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Old 28th May 2005, 11:05 PM   #5
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Default velodyne SPL II

Here is the big amp...
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File Type: jpg spl_sub_amp.jpg (71.3 KB, 478 views)
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Old 28th May 2005, 11:07 PM   #6
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Default DLS-R amp

and the 'smaller' amp, though it quite a lot heavier...
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File Type: jpg dlsr_sub_amp.jpg (71.6 KB, 436 views)
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Old 29th May 2005, 02:40 AM   #7
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I'm flexble on price if someone wants to make me an offer...

These things are simply in the way...

Stuart
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Old 29th May 2005, 03:57 AM   #8
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Stuart,

I'd be interested in the 1KW sub amp, can you send me a PM with what you consider a fair price as well as some details on what state the amp is in, whether it is new/used etc. I'd also appreciate a pic of the business end of the amp and any info that comes with it, x-over freqs, schematic etc.

Best regards,

Sander Sassen
http://www.hardwareanalysis.com
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Old 29th May 2005, 03:45 PM   #9
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Default back of SPL II amp

Hi,

Here is a picture of the back of the SPL II amp. You can't see much, the power amp is in the aluminum can, while the 'pre-amp' is on a pcb mounted under the rest of the assembly.

I have no idea how old/used the amp is. It was sold to me as a non-working product, I diagnosed the problem and ultimately fixed it.

I don't have any schematics, it's a current velodyne product, so they are understandably cagey about service info. From the brochure on Velodynes website it seems the low pass crossover is adjustable from 40-120, 12db/oct or can be bypassed, absolute phase can be switched, 0 or 180. High pass is fixed at 80, 6db/oct. You can check out the 3 models of sub that use this at this link...this is from the 10" model.

http://www.velodyne.com/velodyne/pro...7&sid=577q145r

Based on what I've seen wandering around the web I think $300 is pretty reasonable for a 1kw amp, hence my original price.

Stuart
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Old 31st May 2005, 02:15 PM   #10
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