"The Wire" Official Boards for All Projects Available Here! BAL-BAL, SE-SE, LPUHP - diyAudio
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Old 5th June 2013, 09:28 PM   #1
opc is offline opc  Canada
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Default "The Wire" Official Boards for All Projects Available Here! BAL-BAL, SE-SE, LPUHP

Hi Gentlemen,

Well, it has been a long wait (a very long wait for some of you) but all of my PCB’s from “The Wire” series have been updated and will be offered on a full time basis rather than on a limited run basis as they have been in the past.

This thread is going to cover the transition period between now (another Google Spreadsheet based order system) and the eventual launch of the website that will have a store where these can be purchased.

Over the next two weeks I’d like to get an idea of demand for each of the boards so I can place an order and panelize it accordingly. I will then place the board orders which will take 3 weeks to arrive at my doorstep. After that, I will need a week for testing, and then I will ship the first wave out and start taking real-time orders from then on while hopefully maintaining a proper stock of boards. Hopefully the website will be up and running not too long after I start taking real-time orders.

Please use the following Google Spreadsheet to place your orders:

https://docs.google.com/spreadsheet/...Xc&usp=sharing

What follows is the description and pricing for each of the boards that will be on offer. Pricing is slightly higher than before, but you’ll be getting better boards (modified to take advantage of all 4 layers) and ENIG immersion gold plating with tented vias for better solderability. Pricing is also more in-line with the actual surface area of the board, so smaller boards will see almost no price increase, while larger boards will see more of a price increase.

Without further ado:

“The Wire” BAL-BAL Headphone Amp ($17 for a single stereo board)
- Design altered slightly to include a 4th layer GND plane.
- 4 Layer PCB – 1oz copper – immersion gold plated – tented vias – white soldermask
- Improved headphone connection points
- Overall same size as predecessor
- Same schematic and BOM as predecessor
- See project thread here: "The Wire" Ultra-High Performance Headphone Amplifier - PCB's
- See project wiki here: http://www.diyaudio.com/wiki/The_Wir...Amp_Build_Wiki

“The Wire” SE-SE Headphone Amp ($15 for a single stereo board)
- Design altered slightly to include a 4th layer GND plane.
- 4 Layer PCB – 1oz copper – immersion gold plated – tented vias – white soldermask
- Floating GND connection fixed
- Overall same size as predecessor
- Same schematic and BOM as predecessor
- See project thread here: "The Wire" Ultra-High Performance Headphone Amplifier - PCB's
- See project wiki here: http://www.diyaudio.com/wiki/The_Wir...Amp_Build_Wiki

“The Wire” PSU for Headphone Amps ($15 for a single PSU board)
- 4 Layer PCB – 1oz copper – immersion gold plated – tented vias – white soldermask
- Slightly wider than predecessor
- Completely redesigned using dual TPS7A3301 (TO-220) ultra-low noise regulators.
- Now requires a transformer with dual secondaries. Centre tapped transformers will not work.
- Significant performance improvement from previous LM317/337 regulators.
- See new BOM here: https://docs.google.com/spreadsheet/...Xc&usp=sharing
- See new schematic here: https://drive.google.com/file/d/0B3M...it?usp=sharing

“The Wire” LPUHP Amplifier ($28 for a single channel board)
- Design altered to include a 4th layer.
- Thermal vias added to allow simple heatsinking from bottom of PCB.
- 4 Layer PCB – 1oz copper – immersion gold plated – tented vias – white soldermask
- Transformer moved off-board for lower noise and compatibility with 120V/230V
- Regulator sections changed to use dual LT1185 low noise regulators.
- Measurable improvement in performance – noise floor is nearly 10dB better.
- See project thread here: The Wire - Low Power Ultra High Perfromance (LPUHP) 16W Power Amplifier
- See new BOM here: https://docs.google.com/spreadsheet/...UE&usp=sharing
- See new schematic here: https://drive.google.com/file/d/0B3M...it?usp=sharing

“The Wire” LME49830 Lateral FET Power Amplifier ($17 for a single channel board)
- Design altered to include a 4th layer.
- 4 Layer PCB – 1oz copper – immersion gold plated – tented vias – white soldermask
- Identical to predecessor
- See project thread here: "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
- See assembly manual here: https://drive.google.com/file/d/0B3M...it?usp=sharing

NTD1 PCB V3 - ($35 for a single stereo board with full PSU)
- 2 Layer PCB – 1oz copper – immersion gold plated – tented vias – white soldermask
- Designed to be used with BII, BIII and ACKO ESS9018 based DAC boards.
- Upgraded TPS7A3301 regulator section – Improved noise floor
- Same dimensions and mounting points as V2
- See project thread here: A New Take on the Classic Pass Labs D1 with an ESS Dac

Upcoming Boards:
- Behringer DCX2496 Upgrade Board - Digital, Analog, Clock and PSU sections.
- UHPSR - Ultra High Performance Shunt Regulator - Adjustable 1.1V to 5V
- HiFiduino all in one PCB – Arduino based controller and all peripherals on one PCB
- TPS7A4700 / TPS7A3301 Regulator PCB – LM fixed reg drop-in replacement

More info to follow, and the spreadsheet link will be posted in a few hours!

Cheers,
Owen

Last edited by opc; 19th January 2014 at 05:30 PM. Reason: Adding Links to Project Threads
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Old 5th June 2013, 09:34 PM   #2
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wow, awesome.
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Old 5th June 2013, 10:10 PM   #3
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Are you going to offer these boards populated and tested? SMD soldering isn't my thing....

What is NTD1 PCB V3?

Last edited by kuribo; 5th June 2013 at 10:39 PM.
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Old 5th June 2013, 10:17 PM   #4
VT67 is offline VT67  Belgium
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This is a nice initiative.

Next to "The Wire", I'm also really interested in the DCX2496 upgrade stuff.

Regards
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Old 6th June 2013, 03:02 AM   #5
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Very interesting indeed. Now there is a real alternative to the imitations and average-joe variants on some of your designs!


One thing though Owen, I do wonder if this thread would be better in the commercial section of the forum. Just a thought.
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Old 6th June 2013, 03:18 AM   #6
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Bah, I just bought some TI/National AN-1850 boards... Maybe I will do both and compare the results. I am interested in the LPUHP amp so I will put my name down for two of those.
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Old 6th June 2013, 03:52 AM   #7
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BTW Owen, I'm emailing a few guys from Aus who're interested in LPUHP boards, maybe the BAL-BAL would even suit them, got to do the sums on that yet. A few people have built synergy horns so they don't need much power they do want low noise though for something with that sort of efficiency!

Last edited by hochopeper; 6th June 2013 at 03:55 AM.
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Old 6th June 2013, 04:16 AM   #8
opc is offline opc  Canada
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Link to the spreadsheet is now posted in the first post!

Quote:
Originally Posted by hochopeper View Post
Very interesting indeed. Now there is a real alternative to the imitations and average-joe variants on some of your designs!


One thing though Owen, I do wonder if this thread would be better in the commercial section of the forum. Just a thought.
I'll send a note to one of the moderators and see how to proceed with that.

Quote:
Originally Posted by hochopeper View Post
BTW Owen, I'm emailing a few guys from Aus who're interested in LPUHP boards, maybe the BAL-BAL would even suit them, got to do the sums on that yet. A few people have built synergy horns so they don't need much power they do want low noise though for something with that sort of efficiency!
Perfect!

Cheers,
Owen
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Old 6th June 2013, 05:15 AM   #9
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Sweet, I am going to try bi-amping my Elsinores with 4 LPUHP amps.
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Old 6th June 2013, 07:01 AM   #10
SaibotC is offline SaibotC  Canada
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Is there any chance you will be making a upgrade board for a DEQ2496 as well? Or will the DCX2496 board work in it?
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