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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Fri Apr 17, 2020 9:44 pm 



Joined: 26 Jun 2018
Posts: 11
I think the USA SNES uses a 2.5mm center-positive barrel connector. Would this work without the need for any adapters? https://www.digikey.com/products/en/pow ... V=-6|63332

Also, I've heard that the voltage that the USA SNES can take can be as low as 6V, and that a lower voltage results in less heat generated. Would this provide that outcome? https://www.digikey.com/products/en/pow ... V=-5|54624


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Fri Apr 17, 2020 10:05 pm 


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xthechar wrote:
I think the USA SNES uses a 2.5mm center-positive barrel connector. Would this work without the need for any adapters? https://www.digikey.com/products/en/pow ... V=-6|63332

Also, I've heard that the voltage that the USA SNES can take can be as low as 6V, and that a lower voltage results in less heat generated. Would this provide that outcome? https://www.digikey.com/products/en/pow ... V=-5|54624

The USA SNES uses a rather unique barrel plug which measures approx 7.4mm with a centre pin, its nothing like the standard 2.5mm DC barrel plugs which the NES uses.

I believe the 7805 can technically work with lower voltages, but I wouldnt recommend 6V as the 7805 may start struggling as explained here:-
https://electronics.stackexchange.com/a/148646
I would probably go with 7.5V if you really wanted to reduce heat, but personally I dont think its worth it and would suggest sticking with the standard 9V.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Fri Apr 17, 2020 10:19 pm 



Joined: 26 Jun 2018
Posts: 11
That link is perfect for providing the info I was curious about, thanks for linking it and for the quick reply. About the barrel size, not sure why I thought it was 2.5mm, must be misremembering something.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Fri Jun 05, 2020 10:49 pm 


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OP updated with a section for wiring up an all model 2 + 32X setup for North Americans.
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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Fri Jun 05, 2020 11:29 pm 



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Kinda random, but for you retro computer gamers the TG16 power brick seems to works perfectly for a Roland MT-32 MIDI machine.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Sat Jun 13, 2020 7:39 am 


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OP updated with solutions for Turbo DUO, Super Grafx, and Super CDROM2.

xthechar wrote:
That link is perfect for providing the info I was curious about, thanks for linking it and for the quick reply. About the barrel size, not sure why I thought it was 2.5mm, must be misremembering something.


This was covered in the 2nd entry of the OP.
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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Sun Jun 14, 2020 12:21 am 


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Did anyone ever end up testing out this one with the Twin Famicom?
https://www.digikey.com/product-detail/ ... ND/6600150

Also if I'm just hooking it up to the Genesis 1 alone, no 32X or Sega CD included, this one should work fine yeah?
https://www.digikey.com/product-detail/ ... D/3094952/

(edit: had posted the 9v PSU for Twin Famicom by mistake. Replaced the link with the 7.5v version)


Last edited by Rotanibor on Tue Jun 16, 2020 11:49 pm, edited 1 time in total.

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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Sun Jun 14, 2020 5:20 pm 


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Dochartaigh wrote:
Kinda random, but for you retro computer gamers the TG16 power brick seems to works perfectly for a Roland MT-32 MIDI machine.

Pretty much every Boss effect pedal uses the same type of power supply too (9V DC tip negative).


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Sun Jul 12, 2020 1:42 am 


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FBX wrote:
copy wrote:
You don't have to rely on a datasheet for the PWR+. HD Retrovision did their own direct oscilloscope testing on it, and the good results they got are the reason they recommend it. I've heard of no equivalent independent verification of the Triads.


Yes I already know this. However, even HD Retrovision will tell you that it's REALLY nice to have actual datasheet documentation from the manufacturer. As such, I want to know the max peak-to-peak ripple/noise rating of PWR+ adapters, and the company simply doesn't post those ratings as far as I can tell. On the Triads, you don't need to test them for ripple because the company already provides those ratings in the datasheet.


Just an update on this argument:

Some months back, I did an oscilloscope measurement of the Power+ and the Triad, and the Power+ was considerably more noisy. HD Retrovision looked into it and confirmed my observations from my scope. Seems Power+ tanked into crap tech to save money. So you definitely want to switch to Triad if you bought one recently.

Triad on the test resistor I set up showing a smooth 380mV peak to peak:

Image

PWR+ showing horrible spikes that reach 1.6 VOLTS peak to peak:

Image
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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue Jul 14, 2020 1:15 am 



Joined: 29 Apr 2016
Posts: 202
Those are compelling scope results, FBX.

Also, I must amend my observation from earlier. As I later experimented further, I realized the minor waviness I saw in the SNES image was not exclusive to the Triad, but was in fact also present with both the OEM linear supply and the PWR+. I believe this waviness was due to me using the OSSC's Generic 4:3 mode, and must be normal because of the nature of the full horizontal sampling.

I have since switched to mainly using Triads, and have been happy with their performance.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue Jul 14, 2020 1:22 am 


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Both of those psus look like ass on the scope compared to the old baby-AT power supplies I've been tinkering with this week. Kinda sad to see a unmaintained 90s SMPS outperforming brand new hardware


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue Jul 14, 2020 2:02 am 



Joined: 22 Sep 2010
Posts: 94
What would you recommend for Atari Jaguar + CD?

Sent from my Pixel 3 using Tapatalk


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue Jul 14, 2020 3:38 am 



Joined: 29 Apr 2016
Posts: 202
Sargon wrote:
What would you recommend for Atari Jaguar + CD?

This splitter (or equivalent) plus this Triad (WSU090-3500-R) will cover you.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Aug 26, 2020 1:43 am 


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The original post as been moved to a more user-friendly sectioned web page. I've also added in OEM PSU specs and part numbers as a reference guide. Still plenty to add to it, but the main core is done:

http://www.firebrandx.com/triads.html

Also we recently discussed on Discord for the Atari Jaguar: The "Jag2SNES" adapter should not be used. It's very poorly designed, and only accidentally happens to work with the OEM PSU (due to that PSU over-volting the Jaguar's 9V output pin that normally doesn't supply enough power to the 7805 in the Jag2SNES). When you use a modern supply like a Triad on the Jaguar, it sends a fixed voltage at the correct rating, causing stages in "Bubsy" to have a distorted image. This is because the 9V output pin has a 100 Ohm resistor on it, and the Jag2SNES regulator is only getting about 5V when it needs a minimum of 7V. Putting a 220uF smoothing cap on the regulator does fix Bubsy, but the HD-Retrovision cables are only barely functional. The power getting to them is a mess, so the Jag2SNES adapter is NOT recommended by HD-Retrovision.
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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Aug 26, 2020 2:30 am 


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maxtherabbit wrote:
Both of those psus look like ass on the scope compared to the old baby-AT power supplies I've been tinkering with this week. Kinda sad to see a unmaintained 90s SMPS outperforming brand new hardware


Those results were relative to the testing rig I used, but still demonstrated how much noisier the new PWR+ supplies are. The official specs are as follows in a 9V 2A Triad for example:

WSU090-2000 Electrical Specifications (@25C)

Input Voltage rating: 100-240VAC, 50-60Hz2.
Input Voltage range: 90-264VAC3.
Input current: <0.5A(RMS) @ 115VAC* 4.
Max Inrush Current: <80A peak @ 115VAC (Cold start)
Output Voltage: 9VDC
Output Current: 2.0A
Regulation (line & load): ±5%
Ripple & Noise: 150mVpk-pk Max
No load power (stand by): <100mW
Average Efficiency: ≥85.00%. Meets minimum level VI efficiency.

So if your baby-AT power supplies are switch-mode and can beat those stats, all the more power to you (no pun intended).
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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Aug 26, 2020 2:53 am 


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Yeah the triad is clearly much better than the pwr+. It was just fresh in my mind how much ripple I observed in the old supplies, and took the opportunity to point out how much better performance you can get out of a full fledged PSU vs a wall wart.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Mon Aug 31, 2020 6:16 am 



Joined: 05 Jul 2019
Posts: 65
Have any other Triad WSX owners here received a notification email about a design update to comply with the new UL/IEC/EN 62368 standard? I assume this update means the performance of the PSU would have to be re-evaluated.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Sun Nov 29, 2020 12:58 pm 



Joined: 14 Mar 2019
Posts: 30
Location: UK
blackgaard wrote:
Just want to throw another option out there: ifi iPower

Yes, it's a $50 wall-wart, and certainly doesn't look like anything special - but it makes some bold claims of 1uV of ripple by using Active Noise Cancellation (in much the same way it is done with audio, but on power). Snake oil? I thought so too, especially because the word "audiophile" is present. Then I found some tests that show 10.31uV @ 1A, and 12.22uV @ 2A. Am I wrong in thinking this is pretty much unheard of?

I decided to buy one for the purpose of having something on-hand that I can pretty much consider "reference", to eliminate power as a source of noise (hopefully). Sure it's a bit on the pricey side, but I'll also be powering everything that's 9V on it, except of course the thirsty Sega tower... if someone can confirm the Triads are still good, one of those should do for the CD and 32X.


Noticed this while browsing amazon(uk) and i'm quite interested as ifi are usually quality. Did you end up getting hold of this and was it any good? Anyone done any further testing?

https://www.amazon.co.uk/gp/product/B01 ... Z1BC&psc=1

Someone in the reviews section mentioned he uses the 15v model on his topping dx3 pro headphone dac/amp and noticed an improvement, so i'm hoping this would also translate over to my snes/aes which need a new supply.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Feb 10, 2021 3:05 pm 



Joined: 02 May 2017
Posts: 69
I recently got a 32x to go with Model 1 Genesis (no Sega CD). From Firebrandx site I can see this specs:

Model 1: 9V 1.2A C-
32x: 10V 850mA C+

I would like to use my current 2.5A power supply (now powering just my M1) to power both. The setup will be like this:

Triad 9V 2.5A C- to Dual Barrel splitter
1st end directly to Genesis Model 1
2nd end to polarity reverser to barrel adapter to 32x

is the above correct or do I need the larger 3.5A power supply??


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Feb 10, 2021 3:25 pm 



Joined: 14 Aug 2017
Posts: 1403
naz wrote:
is the above correct or do I need the larger 3.5A power supply??


No the 2.5A should be fine, you just need more amps if you have the full tower of power with the CD unit.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Feb 10, 2021 11:18 pm 



Joined: 15 Aug 2015
Posts: 102
I don't know if this has been answered yet, but is there one that's right for the MiSTer? I just want a backup.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Feb 10, 2021 11:57 pm 



Joined: 02 Mar 2017
Posts: 1261
Also one for the Analogue NT mini Noir!

People complain about the cheap power supply they came with all the time (and the replacement one people are recommending is something stupid like $50... which I think is now almost $70 last I read...).


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Fri Feb 12, 2021 3:37 am 


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Dochartaigh wrote:
People complain about the cheap power supply they came with all the time (and the replacement one people are recommending is something stupid like $50... which I think is now almost $70 last I read...).


Which model is it?


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue Mar 09, 2021 10:33 am 


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lechu wrote:
I don't know if this has been answered yet, but is there one that's right for the MiSTer? I just want a backup.


I'm using this and it works great (will update my web site soon with the new info): https://www.digikey.com/en/products/det ... 00/3094911

It's in combination with this inline power switch and splitter: https://misteraddons.com/products/in-line-power-switch

Dochartaigh wrote:
Also one for the Analogue NT mini Noir!

People complain about the cheap power supply they came with all the time (and the replacement one people are recommending is something stupid like $50... which I think is now almost $70 last I read...).


It's going to require a barrel shave since the Triads use thick shielding and the recessed socket on the Noir is too small for them. I'm looking to buy this one to try out with a barrel shave:

https://www.digikey.com/en/products/det ... 13/6600159

Lawfer wrote:
Which model is it?


It's a Chinese "Merryking". Very dinky piece of crap.


-FBX
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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue Mar 09, 2021 1:24 pm 


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FBX wrote:
It's a Chinese "Merryking". Very dinky piece of crap.


Thank you, interesting, for a product with such a premium price like this they could at least have had the decency of including a better quality PSU, at this point you are just paying 500 for the aluminium case since a MiSTer FPGA can play NES and more for less of that price.


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Wed Mar 10, 2021 12:56 am 



Joined: 02 Mar 2017
Posts: 1261
FBX wrote:
Dochartaigh wrote:
Also one for the Analogue NT mini Noir!

People complain about the cheap power supply they came with all the time (and the replacement one people are recommending is something stupid like $50... which I think is now almost $70 last I read...).


It's going to require a barrel shave since the Triads use thick shielding and the recessed socket on the Noir is too small for them. I'm looking to buy this one to try out with a barrel shave:

https://www.digikey.com/en/products/det ... 13/6600159

Sorry, I forgot to update. Got this 1.5amp one they recommended on the Analogue FB group. People say it's better than the 1.0 amp since some accessories can pull more power or something like that. Just installed it and the barrel seems to slip right in perfectly. Noir booted right up - no further testing done.

https://www.digikey.com/en/products/det ... EQF0C%2BQA


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 Post subject: Re: Triad Replacement PSU Links
PostPosted: Tue May 04, 2021 7:59 pm 


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