Simple Killer Amp Constructor Thread

macka · 17th February 2006, 04:22 AM

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

macka · 17th February 2006, 04:25 AM

The Power Supply Schematic GB150

macka · 17th February 2006, 04:27 AM

The Power Supply Schematic of the GB300.

macka · 17th February 2006, 04:28 AM

Here is an image of a completed GB150.

rez · 17th February 2006, 06:30 AM

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

mlloyd1 · 17th February 2006, 08:39 PM

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

ShinOBIWAN · 18th February 2006, 12:24 AM

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.

macka · 18th February 2006, 06:36 AM

Yep,

Its an issue.

I would like some feedback from Greg on this.

Macka

Cobra2 · 18th February 2006, 07:50 AM

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

AndrewT · 18th February 2006, 08:53 AM

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?

17th February 2006, 06:30 AM	#5
rez diyAudio Member Join Date: Jan 2006 Location: yeg	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

18th February 2006, 07:50 AM	#9
Cobra2 DIY ! diyAudio Member Join Date: Apr 2002 Location: Stavanger, Norway	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 __________________ Ars longa, vita brevis

18th February 2006, 08:53 AM	#10
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	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? __________________ regards Andrew T.

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17th February 2006, 08:39 PM	#6
mlloyd1 diyAudio Member Join Date: Feb 2001 Location: illinois	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

18th February 2006, 12:24 AM	#7
ShinOBIWAN diyAudio Member Join Date: Feb 2004 Location: UK	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.

18th February 2006, 06:36 AM	#8
macka diyAudio Member Join Date: Dec 2001 Location: Australia	Yep, Its an issue. I would like some feedback from Greg on this. Macka

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