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digital attenuator


kevin gilmore
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I don't mind doing this. Please PM me if you want in on the SMD version of the attenuator with how many boards you would like and I'll post the totals in this thread. Per Kevin, they will be approximately $15.28 + shipping depending on the final count.

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Sorry. This didn't include assebmly / parts / etc.

If enough people are interested in assembed boards, we can look into that as well. Please let me know if you are interested in "Assembled", "Boards Only" or "Either" (include preference).

Edited by Kerry
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Seems like we could use different voltage relays (other that 12V) provided the coil current is under 500mA. Just wanted to double check this.

EDIT: Also the digital voltage could support 5V as well.

EDIT2: Nevermind. I see the address ID jumper.

Edited by Kerry
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PLEASE SEE POST FOR THE LATEST COUNTS.

Here's where we currently are:

Name - Count - Preference

grawk - 4 - A

Driftwood - 6 - EA

luvdunhill - 2 - B

ujamerstand - 4 - B

deepak - 3 - A

cetoole - 4 - E

manaox2 - 2 - A

el_doug - 2 - E

DouglasQuaid - 2 - EA

jgazal - 2 - A

Lil Knight - 4 - A

nattonrice - 4 - E

kevin gilmore - 4 - EA

looser101 - 6 - E

chinsettawong - 2 - E

Kerry - 6 - B

Fing - 4 - A

Preferences: A = Assembled; B = Board Only; E = Either; EA = Either-Assembled Preferred

If I have it wrong here or you would like to change something please PM me.

Just a reminder. Please PM me all requests so we can keep the thread clean. I'll post an update at the end of the day (will be on vacation soon so I hope I can keep up).

Also, depending on the pricing for assembly we may or may not end up doing this. I will reach out tomorrow for pricing based on a few different quantities.

Also, sounds like a group buy for relays might be a good idea as well.

Edited by Kerry
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EDIT2: Would it be useful to add some address jumpers so that you could control the left and right channels of a balanced amp separately? One jumper per board might be enough for this.

This would be quite useful. I could imagine attenuating two separate streams to two different people. Or do channel matching for testing headphones.

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PLEASE SEE POST FOR THE LATEST COUNTS.

Here the new board counts:

Name - Count - Preference

grawk - 4 - A

Driftwood - 6 - EA

luvdunhill - 2 - B

ujamerstand - 4 - E

deepak - 2 - A

cetoole - 4 - E

manaox2 - 2 - A

el_doug - 2 - E

DouglasQuaid - 2 - EA

jgazal - 2 - A

Lil Knight - 4 - A

nattonrice - 4 - E

kevin gilmore - 4 - EA

looser101 - 6 - E

chinsettawong - 2 - E

Kerry - 6 - B

Fing - 4 - A

blubliss - 4 - EA

n3rdling - 4 - EA

guzziguy - 2 - E

Pars - 2 - B

Nebby - 4 - EA

TOTAL 76

Preferences: A = Assembled; B = Board Only; E = Either; EA = Either-Assembled Preferred

Please let me know if I've made any mistakes.

Also, can anyone pull a BOM together real quick. It doesn't have to be perfect, but I need one to send over to the manufacturer to get a quote on the assembly. I would do it, but I'm not going to have time tonight.

Thanks

Edited by Kerry
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