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Class D Switching Power Amplifiers and Power D/A conversion

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Old 7th September 2017, 06:48 PM   #21
DPH is offline DPH  United States
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By assemble, he means put in a chassis, and connect the PSU/input/output. About as plug and play as they get.

No soldering needed.
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Old 7th September 2017, 06:58 PM   #22
paugie is offline paugie  Philippines
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Quote:
Originally Posted by DPH View Post
No soldering needed.
That is a relief.
=)
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Old 7th September 2017, 07:01 PM   #23
Kjeldsen is offline Kjeldsen  Denmark
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You have to solder to RCA and speaker connectors. And maybe crimp some fast on connectors
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Old 7th September 2017, 08:13 PM   #24
wdecho is offline wdecho  United States
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TI Class D EVM Board 50% Promotion
I have ordered one for this price of $75 plus shipping. The price is around the same for a Chinese clone and I have had an interest in this board for awhile.
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Old 7th September 2017, 09:32 PM   #25
robinlawrie is offline robinlawrie  United Kingdom
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ok another question.. how tall are these boards? they are on tall legs in the photos, which suggests lots of stuff on the backside of the board.. how tall are they in total?

also, is the heatsink easily removable? id be wanting to attach them to an aluminium block screwed to my extruded case.
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Old 8th September 2017, 12:54 AM   #26
paugie is offline paugie  Philippines
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Quote:
Originally Posted by Kjeldsen View Post
You have to solder to RCA and speaker connectors. And maybe crimp some fast on connectors
That's doable
But SMD is way past these 63YO eyes
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Old 8th September 2017, 07:45 AM   #27
Kjeldsen is offline Kjeldsen  Denmark
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Default Helping hand end eyes :-)

I have one of these. A big help.
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Old 8th September 2017, 10:06 PM   #28
TNT is offline TNT  Sweden
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Quote:
Originally Posted by Kjeldsen View Post
I think I have a total of 30 class d channels in my house (everywhere), and I only use 6 of them
Which are discarded and which are used?

//
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Old 9th September 2017, 07:58 AM   #29
zog666 is offline zog666  Australia
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Thanks for this information - I was going to check out the TPA3255 using one of the low cost Alieexpress boards, but now can evaluate using a genuine TI board for pretty much the same price.

Any suggestions for "off the shelf" power supplies for these units?
how about something along the lines of?

SMPS600RS 48V 230V Power supply

I intend to use this mainly to drive the LF drivers (15" 8 ohm) in my active system. Plus try out with some of my full range speakers to check out the performance.
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Old 9th September 2017, 08:58 AM   #30
DPH is offline DPH  United States
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That'd work, as would something like meanwell's offerings available from Mouser/Digikey.
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