DCX2496 DAC volume control PCB - diyAudio
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Old 13th February 2005, 10:54 PM   #1
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Default DCX2496 DAC volume control PCB

I have a few PCB's left over from a board run. The boards provide a 100 step digital volume control function for the DCX2496. The level can be adjusted using any universal IR remote control that supports Sony codes. Adjustments can also be made with a digital rotary control. All 6 channels of the DCX balanced outputs are adjusted simultaneously. The board has a few extra level controls for a sub woofer or whatever.

The board provides a 0 to 1.00V output to drive a digital panel meter to indicate the volume level.

The board also can provide an optical digital input that replaces the electrical type on the A input.

If you are not happy with behringerís op-amp board, I have made a couple of replacement boards that are simpler single stage / signal channel. One board has balanced outputs using new XLR connectors and the other is unbalanced with consumer levels and RCA connectors. See attached picture with balanced outputs

The boards could also easily be used for any DAC project using an eval board or you own design.

I am asking $90 for the bare volume control PCB and $30 for the op-amp PCBsí.

If you would like me to send you better pictures, email me at bdipoala@aol.com
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Old 16th February 2005, 11:30 PM   #2
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Default better picture

see attached picture showing the board inside the DCX chassis

This is a newer board design with more functions than the one I posted previously
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Old 6th March 2005, 04:09 PM   #3
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I have been getting alot of questions on my vcontrol PCBs so I am posting the below description to help answer most of the questions. see attached.

I will contine to buy additional batches of PCB's as long as there is a demand for them.
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Old 18th October 2005, 02:41 AM   #4
KBK is offline KBK  Canada
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still have any of the boards for sale???? Need a few, at the least.
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Old 20th October 2005, 06:52 AM   #5
Phil K is offline Phil K  United States
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I would be interested in boards, also.

- Phil
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Old 13th October 2006, 07:39 PM   #6
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I am looking for a PCB also, Bdipoala does not answer Email, is he still around?
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Old 14th October 2006, 01:12 PM   #7
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I am still alive!

I have been getting requests for boards recently so I will be ordering a new batch.

I have attached a picture of the unbalanced output design.

my email address is bdipoala@aol.com
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Old 14th October 2006, 07:44 PM   #8
Ryssen is offline Ryssen  Sweden
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How much are the boards?
Sorry,the price was highest up.
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Regards Ňke
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Old 15th October 2006, 02:00 PM   #9
ds23man is offline ds23man  Netherlands
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What kind of volume controller do you use?

GRG
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Old 16th October 2006, 01:47 PM   #10
KBK is offline KBK  Canada
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I need three sets. That's a positive on that. ie, soonest.

Let me know soonest. Well..at least one set, for now. Need the output borad as well, which is why I say 'sets'.

And while I'm asking for the world, what in the world made you use digital pots? Are thes digitally controlled VCA's, or are they actual digital VCA's? Digital is yuck, which is the entire 'why' of upgrading a DCX to improve fidelity.

If they are digital VCA's, do you think it would take much to go to an analog unit? Too many d/a a/d d/a thingies going on in there for my taste. The one cycle of the behringer itself is bad enough. The result might be mud.

dang. now I have to buy Jan's board too. maybe scratch the output board and I'll buy Jan's unit, now that I remember it exists. Tthe behringer is now available again (which is why I'm even bothering), so I'm back on target again, due to behiringer's complete screw up that lasted nearly two years. idiots.
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