The ultimate NES 2

[Drakon]

What's been done to this nes 2:

PPU desoldered and precision socket installed

RGB powerpak compatibility chip installed

CXA2075 kit with upgraded audio installed

Back plate swapped with the back plate from an av famicom

SNES multi av port installed

Default system audio circuit disconnected and rebuilt to av famicom standards to produce the proper audio quality with the kit (four resistor mod)

Powerpak has been modded to output extended audio on a pin that is on the cartridge connector

Kit has the powerpak audio pin wired in such a way that the powerpak sounds 95% like real hardware, all wired through the cartridge connector.

Famicom to nes adapter has a small 2 wire audio connector to plug in the extended audio from famicom carts. I had the audio path go into the cartridge connector but it interered with the powerpak so I had to create an external connector

Probably the two biggest breakthroughs was rebuilding the audio circuit to sound perfect with the kit audio circuit, as well as finding out how to mix in the powerpak extended audio into the circuit so it sounds almost identical to the real thing.

What's left to do:

Install and wire up a switch to switch between default and upgraded audio.

Put the case back on.

Also ignore the stereo headphone jack in the above picture that's an old case that I built the clean composite mod into. I've since purchased a replacement case with no holes in it (although I need to add a hole for the audio switch later).

[Jontendo]

I'm glad you're still making these beauties.
Have you built up a stock of the RGB PPU kits, or do you just order them each time the next commissioned project comes along?

[Drakon]

I'm glad you're still making these beauties.
Have you built up a stock of the RGB PPU kits, or do you just order them each time the next commissioned project comes along?

I order them on a per commission basis. They're overpriced so unless I generate a lot of business from my operation it's not worth my time to order extras.

Today I noticed that the av famicom audio sounds better than my nes 2 so something about the av famicom audio circuit makes it more awesome. I can try adding capacitors from the circuit to ground and see if that helps.

[AznKhmerBoi]

WoW , thats is pretty awesome.

[Drakon]

WoW , thats is pretty awesome.

Thanks. I'd also like to mention that I'll keep doing these as long as there's people who're willing to pay the price to make it worth my while. There is a lot of interest and I'm still getting people hunting me down who have enough money to get these made. The system here is my personal nes 2 which I've been experimenting with all the way back since I did the simple clean composite mod. I'm also working on a nes 2 commission (using a rare rgb chip that needed a custom circuit to get working on the system) so what I learn from tinkering with my own stuff helps improve my commissions.