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Old 19th December 2014, 10:05 AM   #771
acko is offline acko  Australia
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Location: Sydney, Australia
Quote:
Originally Posted by reenberg View Post
Hi Acko and all your other fans *s*

Im new in the acko owner familly, and besides sounding FANTASTIC, the dac is controled by the AKC-12.

I think I have seen a display ad on on the site, but cant find it right now. Is there a ' simpler than HIFIDuino ' display solution somewhere on the net ? Could be cool to just see the actual vol on a display, so the kids dont start the DAC at full throttle ( connected directly to the power amp of course...)

But it's one of a kind dac ( Mine with the NTD1 as I/V )
Thank you for your kind words! really appreciate your feedback
Actually, there was a plan for a touch display that will be connected to the AKC-12 which apart from controlling the DAC can also act as a server for connected systems. see here ->

So the display is an intelligent client that can pull off status data for display and also be used to command the DAC operation, Vol, set registers, etc. It uses the comms API as shown in the manual, so anyone familiar with serial comms can build a smart display - even PC can be used

For safety reasons the AKC12 remains as the main controller and can override remote clients if locally commanded e.g. Vol knob or switches adjusted. So, yes a display would be nice. Haven't rolled out one yet but functions are ready. Compatible display hardware is available from 4D Systems. Stunning features for just about any imagination but you will need to program it accordingly. I have one already:4D Systems | uOLED-32028-P1T (still in the box though )

The other reason, possibly, noise from local display sharing the same enclosure as the DAC?

Then there is this plan to use mobile devices as remote controller/display. Again with the AKC12, a wi-fi gateway can be added (AKW802) and the same comms API can be routed for remote clients. Anyone familiar with creating mobile Apps? Happy to guide further

Well, until then get a large Vol knob on the pot for the rest of the family
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Old 19th December 2014, 10:24 AM   #772
acko is offline acko  Australia
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Quote:
Originally Posted by acko View Post
Maybe you would like this on cheaper FR4 board option. Again depending on interest or qty orders to cover costs ...
Quote:
Originally Posted by Mull3t View Post
I wouldn't mind it at all... How many boards need to be produced to make it worth it? 10?
Give me a while to consider this, there could be more options that I would like to propose ...
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Old 23rd December 2014, 08:27 PM   #773
acko is offline acko  Australia
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Default AKD12 FR4

Quote:
Originally Posted by acko View Post
Maybe you would like this on cheaper FR4 board option. Again depending on interest or qty orders to cover costs ...

Quote:
Originally Posted by Mull3t View Post
I wouldn't mind it at all... How many boards need to be produced to make it worth it? 10?
Quote:
Originally Posted by acko View Post
Give me a while to consider this, there could be more options that I would like to propose ...

FR4 Board with chip loaded (no other parts mounted or supplied)
+ build and support information:
Est ~USD 150 each
Min Order: 20
If interested, please add to this list:

Acko x 1
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Last edited by acko; 23rd December 2014 at 08:34 PM.
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Old 23rd December 2014, 09:20 PM   #774
RollE2k is offline RollE2k  Sweden
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Acko: what regulators are you using for the boards now? I know before you had some regulators that fit under the boards - but i take it now you use the PSU Carrier boards with separate super-regulators?
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Old 23rd December 2014, 10:04 PM   #775
acko is offline acko  Australia
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Join Date: Jan 2008
Location: Sydney, Australia
Quote:
Originally Posted by RollE2k View Post
Acko: what regulators are you using for the boards now? I know before you had some regulators that fit under the boards - but i take it now you use the PSU Carrier boards with separate super-regulators?
I will propose two options later, one a direct cut of the MKII board with all regulator mounting positions on-board as shown on my webpages. The other, a new design with no on-board regulators but provisions for mounting 3- term type similar to the ADC module. There will be 8 of these around the board, all separate to each of the power pins of the DAC chip. In this way, the board is less crowded and layout more optimized and gives you more options to select your choice of power supplies. Also, there will be less DIY work to solder tiny smd parts
Anyway, I will need the numbers to proceed any further.
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Last edited by acko; 23rd December 2014 at 10:09 PM.
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Old 24th December 2014, 05:49 AM   #776
Mull3t is offline Mull3t  United States
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ES9018 FR4 Board with chip loaded (no other parts mounted or supplied)

Acko x1
Mull3t x1
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Old 24th December 2014, 10:09 AM   #777
RollE2k is offline RollE2k  Sweden
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Quote:
Originally Posted by acko View Post
I will propose two options later, one a direct cut of the MKII board with all regulator mounting positions on-board as shown on my webpages. The other, a new design with no on-board regulators but provisions for mounting 3- term type similar to the ADC module. There will be 8 of these around the board, all separate to each of the power pins of the DAC chip. In this way, the board is less crowded and layout more optimized and gives you more options to select your choice of power supplies. Also, there will be less DIY work to solder tiny smd parts
Anyway, I will need the numbers to proceed any further.
Why i ask is because i'm probably interested in the FR4 board - but which of designs will that one be? I'm thinking about how much extra cost there will be needed to add, to have one finished dac. (regulators + transformers and components).
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