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GB - ACA Power Supply Filter Kits

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S

Steveau

Member
Joined 2015
rhthatcher said:
Not supercritical. Just note the physical size and the lead spacing. You may have to bend the leads a bit. Electrically your choice of 210uH is a little more inductance (so just fine), and 4A is a little lower current rating, but plenty for the circuit (so also perfectly fine).
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I was just wondering if you still happen to have a couple of pcb's hiding out there, without a home?
 
rhthatcher

rhthatcher

Member
Joined 2018
Paid Member
bambos said:
I am just wondering if I could use (On the ACA PSU Filter PCB) for C2 and C3 a 1000μf 35V instead of 50V?

I am using exclusively only the 24V PSU.
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Absolutely - I think that's a typo on the schematic. I shipped the kits with 35V IIRC. So by all means, 1000uF 35V.

I used the same series of caps that were called out in the store's P089ZB kit. Nichicon UHW or Kemet ESH series.
 
bambos

bambos

Member
Joined 2021
rhthatcher said:
Absolutely - I think that's a typo on the schematic. I shipped the kits with 35V IIRC. So by all means, 1000uF 35V.

I used the same series of caps that were called out in the store's P089ZB kit. Nichicon UHW or Kemet ESH series.
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Thank you for your reply, I was just checking just in case there was a reason for 50V.
Thank for your design and for sharinmg the Gerbers with us.

Bambos
 
R

ripblade

Member
Joined 2007
Hi folks,

Is there a consensus among members who've installed the filter as to what the sonic improvements are? I've discovered a slight vocal sibilance audible with some tweeters and am wondering where the source is. The Meanwell brick, coupling caps or something else? I have the v1.6 running in stereo mode.

Thanks,
Glenn
 
KevinHeem

KevinHeem

Member
Joined 2007
Paid Member
@ripblade
You’re a prime candidate to try it and report back. I have mono blocks with the filters installed and honestly I can’t tell a difference. However, I didn’t have a problem I was trying to address, you do. All that to say that I do have extra kits available (I ordered for future projects) and would be willing to send you one. PM me if interested.
 
R

ripblade

Member
Joined 2007
KevinHeem said:
@ripblade
You’re a prime candidate to try it and report back. I have mono blocks with the filters installed and honestly I can’t tell a difference. However, I didn’t have a problem I was trying to address, you do. All that to say that I do have extra kits available (I ordered for future projects) and would be willing to send you one. PM me if interested.
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I'm definitely interested, Kevin. I'm not sure how to contact you directly. Is there a minimum post count I need to fulfill before I can do that?

I'm not sure I even understand the instruction given here:

New members who are still under moderation are not allowed to send private messages. Also known as "Start a conversation."
This is to prevent spam by private message.

If you need to contact a forum member about a group buy, or an item on offer, you can post in the thread to request a PM. You will be able to read an reply to that PM.

Once a member has cleared moderation, starting PM will be available.
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Do I post the request here is or is there a dedicated thread for starting PMs somewhere?

https://www.diyaudio.com/community/...ot-send-private-messages.384831/#post-6986646

Every time I get used to something they change all the rules.:ROFLMAO:
 
R

ripblade

Member
Joined 2007
This is what I see....

Screenshot_20220707-192033.png
 
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