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looky what i found...

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    Posted: 30 March 2007 at 9:30am
hi peeps, thomann have brought out a new range of digital amps the biggest ones specs are:

the t.amp D3400, digital amplifier class D, 19" 1He, 2x 1700W / 4 Ohm, 2x 3350W / 2 Ohm, sym. XLR inputs, Speakon Out, depth 50cm, Gewicht 9,5Kg



http://www.thomann.de/gb/the_tamp_d3400.htm


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Post Options Post Options   Thanks (0) Thanks(0)   Quote CHAMPION Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 9:45am
Could of made them look abit more funky !
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Insomnia Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 10:07am
looks desgined around the Powersoft stuff- might have a few heating issues considering its only 1U- but i may be intereted myself for hires esp at that price!

Edited by Insomnia - 30 March 2007 at 10:07am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gramps Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 10:07am
Would be interesting to see the technical specs.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Static Age Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 12:41pm
how do you calculate how many watts this amp puts out running three 8ohm cabs per channel in parallel, ie at 2.66 ohm per channel?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lyndon A Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 12:46pm
If that output is true, then its quite incredible.  The 2ohm wattage rating is practically double the 4 ohm rating!  Not many amps can do that.  It would give about 850w RMS to each 8 ohm driver.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jethrocker Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 1:57pm
Originally posted by Lyndon A Lyndon A wrote:

If that output is true, then its quite incredible.  The 2ohm wattage rating is practically double the 4 ohm rating!  Not many amps can do that.  It would give about 850w RMS to each 8 ohm driver.
 
I guess that digital amps don't have the same losses as energy is transformed to heat in the output stages as normal transistor amps..just a guess mind..thoughts anyone?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Disco Stu Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 2:08pm
Yeah I would take that with a pinch of salt, as rog says good amps should almost be able to double their power from 8 ohms to 4, but only the best amps can double from 4 to 2.

Not even the Voids do, so I cant see how thomann have performed such a miracle, if it is its with a high distortion percentage.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jay Lawless Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 2:10pm
you are correct if i'm not mistaken on that, Jeth. Digital amps don't have as much heat problems as other amps and really is based about it's design. Like Crown's i-Tech amps, Crown perpusly designed them to do about the same output in 4ohm as it does in 2ohm. they wanted to keep an "about" same voltage pull on all settings or someting like that. i can't intirely remember anymore but i did email them some time ago and it was something along those lines.
 
other amps are just designed diffrent ways, this one being a fine example.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tb_mike Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2007 at 10:58pm
It would be nice to have some independant testing done to compare a few,but this almost never happens.
But what does it matter if the output is 10% less than stated in terms of SPL.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Moller Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2007 at 4:32am
FWIW: It looks like some of the amps that Steinigke also sells.. If these are the same, you are looking at a chinese built ( and designed? ) product.. Some of the djs here bought them and have had no problems with them except the need for a 32 amp feed for it to perform properly..
 
I have a couple of issues with these things though:
Price: Conventional amps are cheaper to build, fewer things to go wrong but they do weigh quite a lot..
 
IMO: If you dont need light weight, get a good old conventional design and save some money.. If you do need light weight and high power - look at something else..
 
Keep in mind that I have not had my hands on this thing, just looking at chinese switching amps in general..
 
/peter
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ArthurG Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2007 at 4:33am
I see Thoman is another Kobble OEM customer (after DAP, BST and many others) :
http://www.kobble-digital.com/products/index.asp?productSort=195

well what to say... good points are direct low price, 1U and 9,5kg. that's all. it's a bad copy of Powersoft with low cost components, poor reliability, lot of noise, not stable under 2 ohms and advertised power is headroom not RMS (SMPS power supply cannot sustain more than 1500W per channel)...
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