"The Wiener" TPA3118 amplifier, group buy #3 + "Wiener Pro" prototypes. - Page 2 - diyAudio
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Old 10th April 2016, 05:09 PM   #11
DawgNo1 is offline DawgNo1  United Kingdom
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Quote:
Originally Posted by gmarsh View Post
Per single amplifier.

Yeah, it's expensive Mouser parts cost is currently $51.01 CAD before taxes, $58.66 CAD after. Output inductors are $4.92 USD each, or $14.72 CAD taxes in for a pair, we're up to $73.38 CAD on parts alone. Then add shipping, customs, PCB, supplies, my time, etc... I think it's a fair deal.

Stereo card BOM at Mouser is $91.06 CAD, $104.72 after taxes, though this gives you the full set of output filter components.

Thankfully ordering as a group of people knocks this price down a little.
If the mono with only half the components is more expensive to supply then fair enough, no one has the right to say how much you charge anyway but I might as well buy 2x stereo versions fully built than 2 monos, i guess it means the stereo one is a bargain!
Put me down for 2 fully built stereo, I will just use one channel from each board and remove 4 inductors for another project!
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Old 10th April 2016, 05:31 PM   #12
gmarsh is offline gmarsh  Canada
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The mono doesn't have half the parts. There's half the audio input parts, half the output snubbers, but every other part on the stereo card - decoupling, DIP switches, pots, microcontroller, TPA, terminal blocks, PCB, etc... is still on there.

Biggest annoying cost adder on the PBTL card is getting a Coilcraft order into Canada, which added about $50 CAD in shipping and customs brokerage last time.

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Old 10th April 2016, 05:50 PM   #13
DawgNo1 is offline DawgNo1  United Kingdom
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Quote:
Originally Posted by gmarsh View Post
The mono doesn't have half the parts. There's half the audio input parts, half the output snubbers, but every other part on the stereo card - decoupling, DIP switches, pots, microcontroller, TPA, terminal blocks, PCB, etc... is still on there.

Biggest annoying cost adder on the PBTL card is getting a Coilcraft order into Canada, which added about $50 CAD in shipping and customs brokerage last time.

Sent from my Nexus 4 using Tapatalk

Ever thought of moving house?
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Old 10th April 2016, 06:19 PM   #14
gmarsh is offline gmarsh  Canada
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The way the upcoming US election is looking, not at the moment

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Old 10th April 2016, 06:25 PM   #15
TNT is offline TNT  Sweden
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I might be interested in a few pair depending on cost.

//
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Old 10th April 2016, 06:29 PM   #16
TNT is offline TNT  Sweden
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Anyway, getting the order/interest list going. Quote the most recent post and add your name to it if you want something.

loafimus: 4 x bare PBTL PCB + 4 x microcontroller
ChuckT: fully assembled stereo Wiener + fully assembled Pro
TNT: 2-6 mono Pro boards, fully assembled.
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Old 10th April 2016, 06:30 PM   #17
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Quote:
Originally Posted by gmarsh View Post
The way the upcoming US election is looking, not at the moment

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What? Just because we want to be "great" again? That's it I'm out!!
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Old 10th April 2016, 06:39 PM   #18
DawgNo1 is offline DawgNo1  United Kingdom
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Quote:
Originally Posted by TNT View Post
Anyway, getting the order/interest list going. Quote the most recent post and add your name to it if you want something.

loafimus: 4 x bare PBTL PCB + 4 x microcontroller
ChuckT: fully assembled stereo Wiener + fully assembled Pro
TNT: 2-6 mono Pro boards, fully assembled.
DawgNo1: 2x stereo 3118 fully built.
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Old 10th April 2016, 08:05 PM   #19
jonners is online now jonners  United Kingdom
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Originally Posted by TNT View Post
Anyway, getting the order/interest list going. Quote the most recent post and add your name to it if you want something.

loafimus: 4 x bare PBTL PCB + 4 x microcontroller
ChuckT: fully assembled stereo Wiener + fully assembled Pro
TNT: 2-6 mono Pro boards, fully assembled.
DawgNo1: 2x stereo 3118 fully built.
jonners: 1x stereo fully assembled Pro
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Old 10th April 2016, 09:55 PM   #20
gmarsh is offline gmarsh  Canada
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Quote:
Originally Posted by TNT View Post
Anyway, getting the order/interest list going. Quote the most recent post and add your name to it if you want something.

loafimus: 4 x bare PBTL PCB + 4 x microcontroller
ChuckT: fully assembled stereo Wiener + fully assembled Pro
TNT: 2-6 mono Pro boards, fully assembled.
The Pro is a stereo card this time around.

Given enough interest, and after the stereo Pro design is built and tested, I'll make a PBTL version of it.
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