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Elliot Thompson View Drop Down
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Direct Link To This Post Posted: 09 February 2009 at 3:01pm

Originally posted by levyte357 levyte357 wrote:


Originally posted by Elliot Thompson Elliot Thompson wrote:

I would put the MA 5000vz but, it was already posted.

Best Regards,
@Elliot, do you have internal pics of the MX3000a and MPX1200/MPA1100? Just to see if there are any layout changes.Cheers to all who have contirbuted so far. Clap


The Schematic of the EX 4000 labels the MPX 1200 (JBL) on the same overlay sheet.

The MX 3000a Schematic is exactly the same as the EX 4000.

The EX 4000 came first followed by the JBL MPX 1200 then the MX 3000a. All three are exactly the same from a power persepective.

Best Regards,
Elliot Thompson
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Direct Link To This Post Posted: 09 February 2009 at 6:18pm
Chameleon 1U    
No I havent dismantled it yet, they all look like that.





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Direct Link To This Post Posted: 09 February 2009 at 6:18pm
Lab gruppen 2000c built in 1993 - their first clast TD amp. was giving it its anual " deep clean" today, so took the oportunity to take some pics and staighten the front pannel out!





 


Edited by csg - 09 February 2009 at 6:20pm
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Direct Link To This Post Posted: 09 February 2009 at 6:38pm
matrix ukp1300


matrix ukp2100

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Direct Link To This Post Posted: 09 February 2009 at 7:35pm
Inside the T.Amp TA2400 MKX. (my first post, hope it works)
 
 
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Direct Link To This Post Posted: 09 February 2009 at 8:16pm
Originally posted by CHS CHS wrote:

Inside the T.Amp TA2400 MKX. (my first post, hope it works)
 
 
 
Thats better than I thought? Tidy, big tranny..
It's everything, not everythink!
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Direct Link To This Post Posted: 09 February 2009 at 8:24pm
Originally posted by nickyburnell nickyburnell wrote:

 
Thats better than I thought? Tidy, big tranny..


Exactly what I thought, but only has 8x smoothing caps though.

Big boys have at least 12x. Yes Caps can have different values, but from upgrade point of view 12x upgrade caps, would be better than 8x.


Edited by levyte357 - 09 February 2009 at 8:25pm
"Who am I? I'm the guy who does his job.. You must be the other guy".
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Direct Link To This Post Posted: 10 February 2009 at 3:58pm
QSC PLX3602 alongside the board from a PL236 (from which the PLX is derived)


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Direct Link To This Post Posted: 11 February 2009 at 10:36am
Originally posted by levyte357 levyte357 wrote:

Originally posted by nickyburnell nickyburnell wrote:

 
Thats better than I thought? Tidy, big tranny..


Exactly what I thought, but only has 8x smoothing caps though.

Big boys have at least 12x. Yes Caps can have different values, but from upgrade point of view 12x upgrade caps, would be better than 8x.

What bothers me more is the lack of output transistors - only 8 per channel! Seems not too many for claimed 1200 W/ch @ 4 ohms... The smallest sibling, TA-450, which I happen to have, has 4 transistors per channel (and four 10000 uF caps), and is quoted as 200 W/ch @ 4 ohms. Unfortunately, I don't have a camera, so no pics, but it is very similar to TA-2400 internally - just smaller transformer and heatsinks, less caps and transistors.

As for TA-2400, a guy on a local forum said that they are prone to blow output transistors if pushed hard @ 4 ohms. Fortunately, these transistors are cheap. Also, this same guy said that he has done some modifications to the amp, increasing reliability.

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Direct Link To This Post Posted: 11 February 2009 at 11:05am
Originally posted by technofreak technofreak wrote:


What bothers me more is the lack of output transistors - only 8 per channel! Seems not too many for claimed 1200 W/ch @ 4 ohms...

I would think there would be a similar compliment of them on the other side of the heatsinks.
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Direct Link To This Post Posted: 11 February 2009 at 12:47pm
Inside an MC1250..
 
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Direct Link To This Post Posted: 11 February 2009 at 5:06pm
Nice! fans and heatsink configuration is well designed for optimum air flow.Clap 

Edited by Xmax extreme - 11 February 2009 at 5:07pm
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