THE WIRE conglomerate build thread, impressions and gallery - Page 20

rondr · 7th August 2012, 09:15 PM

My first attempt working with SMDs. A Bal-SE version of The Wire with a PSU and a Sapphire in a 19" rackmount case. Pots are 10k.

RR

opc · 7th August 2012, 09:22 PM

Absolutely stunning! Now that's a finished project to be proud of

I honestly can't see a single thing that could be improved. You managed a great layout, that looks like an excellent balanced stepped attenuator, and you kept the output run nice and short with the transformer a decent distance from the board itself.

Kudos on the great work

You'll have to report back with listening impressions when you get around to it.

Cheers,
Owen

PelPix · 11:22 PM

How would this thing handle my DAC's hefty 2VRMS output? I used an O2 for a while, but it slowly fried U1 without the highest possible voltage of converter.

hochopeper · 7th August 2012, 11:23 PM

2VRMS ... no dramas here.

That really shouldn't be any drama with your O2 either though, I'd check the O2 before hunting for another amp if that is the only reason you're looking for another amp.

I've got an O2 and prefer my 'The Wire' headphone amp though ...

PelPix · 7th August 2012, 11:48 PM

Quote:

Originally Posted by hochopeper

2VRMS ... no dramas here.

That really shouldn't be any drama with your O2 either though, I'd check the O2 before hunting for another amp if that is the only reason you're looking for another amp.

I've got an O2 and prefer my 'The Wire' headphone amp though ...

I might have just had a bad U1

opc · 8th August 2012, 12:12 AM

Hi PelPix,

If you set the gain to 1 (which it is by default) and the rails to +/-15 or 16V then you could feed a full 9VRMS to the inputs without any issues.

2VRMS would not be an issue.

Cheers,
Owen

qusp · 8th August 2012, 11:53 AM

yes, we do not have any troubles with clipping on standard (if slightly hot) line level input signals here …

great looking build rondr!

BuildMeSomething · 9th August 2012, 10:43 AM

iirc, the O2 should be capable of handling upto 2.8VRMS before troubling the input section...

Can vouch for the Wire se-se being happy with 2VRMS from an ODAC and 2.16VRMS from a CD player.

Built up a second Wire & psu's last week, so while the iron was hot I replaced the 1K input resistors on my original build with 0R jumpers [used with an Alps RK27 10K pot]... Overall volume has increased slightly and it appears to have opened up the dynamic range of recordings a little more.

This last month I've been using The Wire for listening duties with movies also... the DD & DTS high-def tracks are amazing, shame I don't get this level of detailing from my AV amp. The fan on the projector probably doesn't help here either...

Over all am super happy with The Wire

Paul.

Mull3t · 09:48 PM

BuildMeSomething... did you mean 10k input resistors?

Finally finished my SE-SE. Bought a custom case from eBay and I'm quite happy. My only wish was that the amp was smaller but my choice for a power supply dictated a slightly larger case. Anyhow, things are going quite swimmingly with the amp. Here's some pics...

rondr · 22nd August 2012, 03:04 AM

That's a great looking build Mull3t. Love the wood sides and the layout is fantastic. How's it sound once it's up to operating temp?

7th August 2012, 11:18 PM	#193
PelPix diyAudio Member Join Date: Sep 2011	How would this thing handle my DAC's hefty 2VRMS output? I used an O2 for a while, but it slowly fried U1 without the highest possible voltage of converter. Last edited by PelPix; 7th August 2012 at 11:22 PM.

9th August 2012, 10:43 AM	#198
BuildMeSomething diyAudio Member Join Date: Oct 2011 Location: North West, UK Blog Entries: 6	Happy happy, Joy joy... iirc, the O2 should be capable of handling upto 2.8VRMS before troubling the input section... Can vouch for the Wire se-se being happy with 2VRMS from an ODAC and 2.16VRMS from a CD player. Built up a second Wire & psu's last week, so while the iron was hot I replaced the 1K input resistors on my original build with 0R jumpers [used with an Alps RK27 10K pot]... Overall volume has increased slightly and it appears to have opened up the dynamic range of recordings a little more. This last month I've been using The Wire for listening duties with movies also... the DD & DTS high-def tracks are amazing, shame I don't get this level of detailing from my AV amp. The fan on the projector probably doesn't help here either... Over all am super happy with The Wire Paul. __________________ My Blog

21st August 2012, 09:45 PM	#199
Mull3t diyAudio Member Join Date: Apr 2012 Location: The dark side of the moon.	BuildMeSomething... did you mean 10k input resistors? Finally finished my SE-SE. Bought a custom case from eBay and I'm quite happy. My only wish was that the amp was smaller but my choice for a power supply dictated a slightly larger case. Anyhow, things are going quite swimmingly with the amp. Here's some pics... Last edited by Mull3t; 21st August 2012 at 09:48 PM. Reason: Bad pics

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7th August 2012, 09:22 PM	#192
opc diyAudio Member Join Date: Oct 2004 Location: Ottawa, Ontario, Canada	Absolutely stunning! Now that's a finished project to be proud of I honestly can't see a single thing that could be improved. You managed a great layout, that looks like an excellent balanced stepped attenuator, and you kept the output run nice and short with the transformer a decent distance from the board itself. Kudos on the great work You'll have to report back with listening impressions when you get around to it. Cheers, Owen

7th August 2012, 11:23 PM	#194
hochopeper diyAudio Member Join Date: Feb 2009 Location: Brisbane, Australia	2VRMS ... no dramas here. That really shouldn't be any drama with your O2 either though, I'd check the O2 before hunting for another amp if that is the only reason you're looking for another amp. I've got an O2 and prefer my 'The Wire' headphone amp though ...

8th August 2012, 12:12 AM	#196
opc diyAudio Member Join Date: Oct 2004 Location: Ottawa, Ontario, Canada	Hi PelPix, If you set the gain to 1 (which it is by default) and the rails to +/-15 or 16V then you could feed a full 9VRMS to the inputs without any issues. 2VRMS would not be an issue. Cheers, Owen

8th August 2012, 11:53 AM	#197
qusp is choosing a less facetious title... diyAudio Member Join Date: Oct 2009 Location: Brisbane, Australia	yes, we do not have any troubles with clipping on standard (if slightly hot) line level input signals here … great looking build rondr!

22nd August 2012, 03:04 AM	#200
rondr diyAudio Member Join Date: Jul 2011 Location: Northern Virginia	That's a great looking build Mull3t. Love the wood sides and the layout is fantastic. How's it sound once it's up to operating temp?

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