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Old 14th May 2012, 12:18 AM   #931
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Join Date: Feb 2009
Location: Brisbane, Australia
ok ok, This is the IV for me. Put me down for one pcb via qusp.

Only reason for hesitation was that I don't currently have a I-out dac. It's in my long term plans and I have now managed to read my way through ~20pages of this thread and ~30 pages of the build thread, the things I do when I'm procrastinating eh.

1. cersepn x 1
2. icewall x 2
3. pmchoong x 1
4. qusp x 1 this is tentative mate, but wanted to make sure my name was down
5. regal
6. randytsuch x 1
7. LK x1
8. greyrab x1
9. alexcount x1
10. adelias x1
11. Coolhead x1 + fets
12. Emphrygian x 1
13. tranhieu x 1
14. crazyfrog x 1
15. woresseo x 2
16. Algar_emi x 1
17. ggetzoff x 1
18. syklab x1 + fets
19. Magsy x 1
20. Vitalica x2 + fets
21. Pinnocchio x 1
22. hochopeper x 1
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Old 14th May 2012, 12:40 AM   #932
neb001 is offline neb001  United States
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Join Date: Mar 2007
1. cersepn x 1
2. icewall x 2
3. pmchoong x 1
4. qusp x 1 this is tentative mate, but wanted to make sure my name was down
5. regal
6. randytsuch x 1
7. LK x1
8. greyrab x1
9. alexcount x1
10. adelias x1
11. Coolhead x1 + fets
12. Emphrygian x 1
13. tranhieu x 1
14. crazyfrog x 1
15. woresseo x 2
16. Algar_emi x 1
17. ggetzoff x 1
18. syklab x1 + fets
19. Magsy x 1
20. Vitalica x2 + fets
21. Pinnocchio x 1
22. hochopeper x 1
23. neb001 x1 + fets
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Old 14th May 2012, 01:19 AM   #933
qusp is offline qusp  Australia
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Location: Brisbane, Australia
well perhaps if someone posts a thread in the GB section proper we'll make the 50 from new people that dont check this thread religiously like those here so far =)

just a few observations (not demands it works well as is) can I plead for a slightly larger section for the output caps, a bit more space for the PSU output caps so that a lower profile part can be used and maybe a tiny bit more room around the PSU heatsinks so that more than that one model can be used? they get a little toasty in idle when ambient is warm and that would be easy fixed by using something like the type used on the Sigma11/22 PSU

Click the image to open in full size.

so yeah i'm down with splitting the work with Do; he can do north America and i'll do ROW, or split down the middle, pcb only wont be pricey even from here. Since theres only a few people wanting fets i'll see what I can do, since i've got easy enough left here and will have to do it for mine. perhaps I can get a hand from hochopeper and i'll work out an active heating arrangement for the heatsink so I can do it at any time of the day. but still no promises, we'll see where i'm at, I can probably slightly loosen my matching requirements and find some sets in what Ive already tested tbh

getting the heatsinks again might be possible, but tbh i've had really bad luck getting them to reply to anything at all this year, so hesitate to recommend it.

since this IV really dominates and limits the choice of enclosure, what we could perhaps do is decide on a smallish power amp enclosure from siliconray (just a suggestion/option) and get a customized case made, that has a nice thick floor and heatsinks that can be well thermally coupled to the base.

thoughts?

Last edited by qusp; 14th May 2012 at 01:26 AM.
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Old 14th May 2012, 02:20 AM   #934
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Location: Brisbane, Australia
Quote:
Originally Posted by qusp View Post
perhaps I can get a hand from hochopeper


getting the heatsinks again might be possible, but tbh i've had really bad luck getting them to reply to anything at all this year, so hesitate to recommend it.

since this IV really dominates and limits the choice of enclosure, what we could perhaps do is decide on a smallish power amp enclosure from siliconray (just a suggestion/option) and get a customized case made, that has a nice thick floor and heatsinks that can be well thermally coupled to the base.

thoughts?
Happy to help out mate, if you even want to split the pcbs and I'll pack/send a bunch and you can do a different set, depends on qty's etc I'm sure we can work out something that keeps the workload reduced.

I'd be keen on heatsink rather than enclosures at this stage. Though I'm really trying not to divert much money to this project until I have a DAC to go with it ...
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Old 14th May 2012, 02:41 AM   #935
qusp is offline qusp  Australia
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well i'm the opposite, getting another heatsink this size would require getting a custom enclosure anyway, as fitting 2 of these beasts plus all the extras that make up a modern dac in a case just isnt going to happen, so may as well get a custom case that can do the heatsinking. any format that sinks the heat to panels that have external surfaces is good in my book, this thing can get pretty toasty

to be clear, before there is more people asking for fets, i'm not keen, I will not be doing another set to cater for the GB like last time. but the people already on the list asking for fets might be lucky

Last edited by qusp; 14th May 2012 at 02:44 AM.
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Old 14th May 2012, 03:32 AM   #936
neb001 is offline neb001  United States
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No worries about the fets, I didn't know if it was an option but I saw some folks posting. So I figured why not try anyway
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Old 14th May 2012, 04:31 AM   #937
qusp is offline qusp  Australia
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no worries Ben, I included you, I just wanted to stop a flood by stating that upfront. those on the list now for fets i'll probably be able to take care of, but not a large group like last time
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Old 14th May 2012, 12:27 PM   #938
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Join Date: Jul 2009
1. cersepn x 1
2. icewall x 2
3. pmchoong x 1
4. qusp x 1 this is tentative mate, but wanted to make sure my name was down
5. regal
6. randytsuch x 1
7. LK x1
8. greyrab x1
9. alexcount x1
10. adelias x1
11. Coolhead x1 + fets
12. Emphrygian x 1
13. tranhieu x 1
14. crazyfrog x 1
15. woresseo x 2
16. Algar_emi x 1
17. ggetzoff x 1
18. syklab x1 + fets
19. Magsy x 1
20. Vitalica x2 + fets
21. Pinnocchio x 1
22. hochopeper x 1
23. neb001 x1 + fets
24. bigpandahk x 2
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Old 14th May 2012, 01:05 PM   #939
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Join Date: Oct 2004
Location: Ste-Agathe des Monts
1. cersepn x 1
2. icewall x 2
3. pmchoong x 1
4. qusp x 1 this is tentative mate, but wanted to make sure my name was down
5. regal
6. randytsuch x 1
7. LK x1
8. greyrab x1
9. alexcount x1
10. adelias x1
11. Coolhead x1 + fets
12. Emphrygian x 1
13. tranhieu x 1
14. crazyfrog x 1
15. woresseo x 2
16. Algar_emi x 1
17. ggetzoff x 1
18. syklab x1 + fets
19. Magsy x 1
20. Vitalica x2 + fets
21. Pinnocchio x 1
22. hochopeper x 1
23. neb001 x1 + fets
24. bigpandahk x 2
25, Jean-Charles X1
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Old 15th May 2012, 03:29 PM   #940
diyAudio Member
 
Join Date: Oct 2004
Location: Ste-Agathe des Monts
1. cersepn x 1
2. icewall x 2
3. pmchoong x 1
4. qusp x 1 this is tentative mate, but wanted to make sure my name was down
5. regal
6. randytsuch x 1
7. LK x1
8. greyrab x1
9. alexcount x1
10. adelias x1
11. Coolhead x1 + fets
12. Emphrygian x 1
13. tranhieu x 1
14. crazyfrog x 1
15. woresseo x 2
16. Algar_emi x 1
17. ggetzoff x 1
18. syklab x1 + fets
19. Magsy x 1
20. Vitalica x2 + fets
21. Pinnocchio x 1
22. hochopeper x 1
23. neb001 x1 + fets
24. bigpandahk x 2
25, Jean-Charles X1 +fets
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