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mcdn's latest activity
M
mcdn
replied to the thread
DIY amp testing (with AES17 filter)
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I should have mentioned, I have some spare PCBs for V2 without an attenuation network, and most of the BOM for 1 board. Happy to ship...
May 7, 2024
M
mcdn
replied to the thread
DIY amp testing (with AES17 filter)
.
Yes! See the GitHub repo: https://github.com/mattclarkdotnet/aes17_filter_25/ - I'd forgotten to merge V2 back to the main branch...
May 7, 2024
M
mcdn
reacted to
kewlbug's post
in the thread
DIY amp testing (with AES17 filter)
with
Like
.
Was there a consensus on a design? This stuff is over my head, but I do still need a filter for my setup (no attenuation needed, but...
May 7, 2024
M
mcdn
replied to the thread
Marantz Cinema 70s as a pre-pro
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The C70s has terrible room correction, but it has full pre-outs which the X1800H does not. I use my C70s with external room correction.
May 5, 2024
M
mcdn
replied to the thread
Introducing Directiva - An ASR open source platform speaker project
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there are many open source hardware licenses, such as CERN-OHL: https://ohwr.org/cernohl Open source means you can build the end...
Apr 29, 2024
M
mcdn
replied to the thread
"Small form factor" modular multichannel TPA3255 amp build
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Dear god I am an idiot. I'll have to redo the review of the 4CH module because it does indeed have two chips in BTL, not one in SE...
Apr 17, 2024
M
mcdn
replied to the thread
"Small form factor" modular multichannel TPA3255 amp build
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The board I measured is a single chip design with 4xSE outputs. See section 10.2.1.2.4 of the datasheet for details on using a master...
Apr 17, 2024
M
mcdn
reacted to
TonyJZX's post
in the thread
Introducing the Denotiva DIY speakers!
with
Like
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my read of this is that you are free to build your own set for private home use but if you use the plans and sell them to the reds or...
Apr 15, 2024
M
mcdn
replied to the thread
TPA3255 4-channel module review - $12.50 per channel but is it any good?
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No, this is not correct! It is for choosing between single ended and differential input signals. BTL or SE operation of the output...
Apr 14, 2024
M
mcdn
replied to the thread
TPA3255 4-channel module review - $12.50 per channel but is it any good?
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It doesn’t have a “sound”, unless you use it with a very high impedance tweeter and have exceptional hearing. Remember that with these...
Apr 14, 2024
M
mcdn
reacted to
kemmler3D's post
in the thread
Hi-End Floor Standing Speaker Production Process / 落地揚聲器製作過程 (音響製造) - Taiwan Speaker Factory
with
Like
.
Cool vid! Having been to a few factories over there, bigger and smaller, this definitely looks high-end / boutique to me. It's unusual...
Apr 14, 2024
M
mcdn
replied to the thread
Fosi Audio V3 Mono Amplifier Review
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The graphs are with it off. The amplifiers gain is reduced by the amount of feedback used, but total power will depend on the input...
Apr 14, 2024
M
mcdn
replied to the thread
Dayton Audio OPAL1 speaker launches
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High efficiency high power amps are super cheap these days. When a stereo 250Wpc amp is $300, is speaker sensitivity a big deal? Seems...
Apr 13, 2024
M
mcdn
replied to the thread
Fosi Audio V3 Mono Amplifier Review
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I'm not going to argue with TI, it's their chip :-). However in practice this isn't an issue for complete amps or amps using typical...
Apr 13, 2024
M
mcdn
reacted to
MCH's post
in the thread
Fosi Audio V3 Mono Amplifier Review
with
Like
.
For full disclosure: From here: https://www.ti.com/lit/pdf/slaa787 I don't see any mention to radio stations whatsoever, only to...
Apr 13, 2024
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