Simple Killer Amp Constructor Thread - diyAudio
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Old 17th February 2006, 05:22 AM   #1
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Default Simple Killer Amp Constructor Thread

Attached are some diagrams kindly supplied by Greg Ball to assist those who are building the GB150 and GB 300 modules.


If you need further information or wish to ask questions post the in this thread and they will be answered.

Macka
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Old 17th February 2006, 05:25 AM   #2
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The Power Supply Schematic GB150
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Old 17th February 2006, 05:27 AM   #3
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The Power Supply Schematic of the GB300.
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Old 17th February 2006, 05:28 AM   #4
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Here is an image of a completed GB150.
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Old 17th February 2006, 07:30 AM   #5
rez is offline rez  Canada
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Default construction detail

Macka,
Great idea! As I build I will also try and post some key step pics. Looks like the detail in this constructors section is from a different amp - the input wires look like different colours. I was wondering what the green sleeve-like component was at the input? I'm starting to do some comparisons between the other pics you've posted (Simple Killer Amp - Listening impressions) with the ones here and also at Simple Killer Amp - Listening impressions and trying to relate these to the instructions Greg sent. I guess the only items that remain obscure is to see the photo's of point to point wiring between transformer, PS, amplifier boards and the RCA inputs and binding post outputs. I realize this is pretty general at this point but when the kit gets here I should have more specific questions - so far as I do the thought experriments things seem to be falling into place.

Again, thanks for the time you're taking to do this - very helpful.
Roman
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Old 17th February 2006, 09:39 PM   #6
mlloyd1 is offline mlloyd1  United States
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i ordered a small version.
i'll post some shots as i build it.
stay tuned, but no rushing please - i have a greedy day job ...

mlloyd1
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Old 18th February 2006, 01:24 AM   #7
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I've got a good one here:

Hi Macka

How did you screw in the last fet's on heatsink. I've got the green caps block the hole. Could desolder but then I've got to mess around dismantling the case so as to be able to get back at the rear of the PCB.
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Old 18th February 2006, 07:36 AM   #8
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Yep,

Its an issue.

I would like some feedback from Greg on this.

Macka
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Old 18th February 2006, 08:50 AM   #9
Cobra2 is offline Cobra2  Norway
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Default Mounting...

A) Bend the mosfet-legs, -> bend board down.
B) Use hex-head or unbraco
C) Mount mosfets from underside
D) too early in the morning here...
?

Arne K
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Old 18th February 2006, 09:53 AM   #10
AndrewT is offline AndrewT  Scotland
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Hi Macka,
Quote from post240:-
you should be taken out at dawn and shot (just joking)- putting in those presets where Amp Guru intended top screw multi-turn pots is real penny pinching.
Maybe you were so enthusiastic you could not wait for the postman arriving and you have already fitted the proper pots.

No reaction! What is the latest?
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