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myster_maze · 10th March 2010, 07:12 PM

Nice preamp 845! Where do you find those chassis?

Any schematic of your preamp? Looks interesting!

845 · 10th March 2010, 07:29 PM

Quote:

Originally Posted by myster_maze

Nice preamp 845! Where do you find those chassis?

Any schematic of your preamp? Looks interesting!

I designed this chassis, and ordered it from local craftsman

eparson · 14th March 2010, 09:57 AM

Here is my Aikido preamp. It uses 12AU7's and was built utilizing Broskie's all in one PCB. Knobs are from Scott at Thingamknobs.aikido-1s.JPG

aikido-2s.JPG

aikido-3s.JPG

hkthienthanh · 15th March 2010, 05:00 PM

Woh Very nice. Happy great Pre

Nikon1975 · 23rd March 2010, 02:54 PM

I completed one...let's do it again

CSlee · 24th March 2010, 12:48 AM

This is my 6DT5 Single ended triode amp.

Power transformers - recovered from halogen lights

Output transformers and choke - recovered from Fluorescent lights (heaters and switch start ballast)

Caps from disposable camera

Chassis - Roasting tray $7

Valve sockets $15

Knob, neon and speaker terminals $10

All other parts were given to me.

Total cost about $30 Australian dollars

Sounds fantastic!

Wavebourn · 24th March 2010, 01:07 AM

Nice kitchenware, I like it!

Cassiel · 24th March 2010, 03:34 PM

Quote:

Nice kitchenware, I like it!

Do you also like the transformer? lol

doorman · 24th March 2010, 03:39 PM

OK, Honey, time to roast the chicken, now where'd I put the da&m pan??
Nice job!, very creative-- which speakers?
Best, Don

CSlee · 25th March 2010, 02:52 AM

Its only 2W a side, so still need to find some pretty efficient speakers, if any one could point me in the right direction.

I havnt done any serious testing on it other than a listening test, and to me it sounds fantastic. Even with the transformers as Stalker pointed out, arnt ideal. But the bass response is surprisingly good. Plus they were free....

14th March 2010, 09:57 AM	#2803
eparson diyAudio Member Join Date: Dec 2002 Location: Seattle	Aikido Preamp Here is my Aikido preamp. It uses 12AU7's and was built utilizing Broskie's all in one PCB. Knobs are from Scott at Thingamknobs.aikido-1s.JPG aikido-2s.JPG aikido-3s.JPG

24th March 2010, 01:07 AM	#2807
Wavebourn diyAudio Member Join Date: Sep 2006 Location: Pleasant Hill, CA	Nice kitchenware, I like it! __________________ The devil is not so terrible as his mathematical model! Wavebourn: We Create Creativity!

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10th March 2010, 07:12 PM	#2801
myster_maze diyAudio Member Join Date: Oct 2008	Nice preamp 845! Where do you find those chassis? Any schematic of your preamp? Looks interesting!

15th March 2010, 05:00 PM	#2804
hkthienthanh diyAudio Member Join Date: Oct 2009	Woh Very nice. Happy great Pre

24th March 2010, 03:39 PM	#2809
doorman diyAudio Member Join Date: Jul 2003 Location: Vancouver Isl. B.C.	OK, Honey, time to roast the chicken, now where'd I put the da&m pan?? Nice job!, very creative-- which speakers? Best, Don

25th March 2010, 02:52 AM	#2810
CSlee Clueless diyAudio Member Join Date: Mar 2009 Location: London	Its only 2W a side, so still need to find some pretty efficient speakers, if any one could point me in the right direction. I havnt done any serious testing on it other than a listening test, and to me it sounds fantastic. Even with the transformers as Stalker pointed out, arnt ideal. But the bass response is surprisingly good. Plus they were free....

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