Soz

MEGA-amp · 21st May 2004, 12:22 AM

Here it is so far. The 8R on the white papers are 50 watters, I plan on using 250W, the paper is the footprint of the big Dales. I'm pretty sure the sink can handle 25-30W.

MEGA-amp · 21st May 2004, 12:28 AM

closeup

MEGA-amp · 21st May 2004, 12:31 AM

side shot.

Eventually I will have to build a BOSOZ to drive it. I have every intention of X-ing it, but after all Ive heard about the SOZ, I wanna hear it stock first. I can only imagine bi-amping using the SOZ and Aleph 2. Sweet sound would be an understatement.

regards

JH

moe29 · 21st May 2004, 12:40 AM

I know those 250 watt Dale resistors are pretty expensive... did
you consider paralleling 50 watt resistors to get your 8ohms?
Might be cheaper than the price you're paying for the hefty 250's.

Plus it allows you to spread out the heat over more of the heatsink.

Looks pretty cool

Always like seeing SOZ's.

consider X'ing it too.

keep us updated with pics!!

m.

Variac · 21st May 2004, 01:58 AM

But can your house wiring handle it?

It might look nice it you make a wood frame with a recessed ledge on top for the heatsink to plop into. So it would be about 3" tall with the heatsink facing up. Low profile, kind of like B&O

Got my 50 watters from Apex Jr. He doesn't list them and I don't know if he has more, but he had 8 ohm for $2 ea.

GO Soz!!

MEGA-amp · 21st May 2004, 03:41 AM

I already have 8 - 8R 50 watters. All I need is 24 more, not too bad as they are $4.26 a piece, much cheaper than buying 8 250's. The 8R I have are RH type and I'll buy 24 more RH type, the 1R are NH type, I am assuming that this will be fine to mix. I read somewhere on this forum that RH are more warm sounding while the NH are more analytical, so if i mix them will I enter another dimension?

regards,
JH

Blues · 22nd May 2004, 06:49 AM

Mega-amp, I see you take your hardware to bed

uhmm something feels warm. Make sure that's a DOZ...Daughter of Z! Keep us posted.

MEGA-amp · 23rd May 2004, 01:52 AM

Heres what one channel will look like. 16 - 8R 50W in series-parallel, and 3 1R 50W. The 4 mosfets for both channels will be mounted on a separate sink 12"L x 9.75"W 2.2"Fins. Still debating whether I should go with 35 or 38 V secondaries. Will the fact that I'm doubling current from each X-formr be taken into consideration?

MEGA-amp · 23rd May 2004, 01:55 AM

I may reduce some uF, we'll see

moe29 · 23rd May 2004, 02:32 AM

...looking at that picture i remembered how much fun it was
drilling and tapping all the holes for those power resistors!!!

21st May 2004, 01:58 AM	#5
Variac diyAudio Editor Join Date: Dec 2001 Location: San Francisco, USA	But can your house wiring handle it? It might look nice it you make a wood frame with a recessed ledge on top for the heatsink to plop into. So it would be about 3" tall with the heatsink facing up. Low profile, kind of like B&O Got my 50 watters from Apex Jr. He doesn't list them and I don't know if he has more, but he had 8 ohm for $2 ea. GO Soz!! __________________ Burning Amp Festival Sunday, October 28th, 2012 in S.F. We need Volunteers & sign-up's for what you're bringing!

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21st May 2004, 12:40 AM	#4
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	I know those 250 watt Dale resistors are pretty expensive... did you consider paralleling 50 watt resistors to get your 8ohms? Might be cheaper than the price you're paying for the hefty 250's. Plus it allows you to spread out the heat over more of the heatsink. Looks pretty cool Always like seeing SOZ's. consider X'ing it too. keep us updated with pics!! m.

22nd May 2004, 06:49 AM	#7
Blues Lightning In A Bottle diyAudio Member Join Date: Sep 2003 Location: Bremerton, WA	Mega-amp, I see you take your hardware to bed uhmm something feels warm. Make sure that's a DOZ...Daughter of Z! Keep us posted.

23rd May 2004, 02:32 AM	#10
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	...looking at that picture i remembered how much fun it was drilling and tapping all the holes for those power resistors!!!

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