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Author Topic: Helder's Mega Amp PCB for Genesis/MD  (Read 732 times)

Offline Curriculum Crasher

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Helder's Mega Amp PCB for Genesis/MD
« on: February 03, 2017, 06:04:14 PM »
Dear collective wisdom,

A few questions:

1) Has anyone done a Mega Amp mod to their Genesis/MD?

http://www.sega-16.com/forum/showthread.php?26568-Introducing-the-Mega-Amp-The-universal-Genesis-audio-circuit

2) If so, did you use Helder's Mega Amp PCB?

http://www.sega-16.com/forum/showthread.php?27348-F-S-Mega-AMP-for-Sega-Genesis

3) Have you had any issues with DefleMask-created ROMs?

4) Finally, which Genesis/MD model and variant did you use?

I have three consoles: Genesis Model 1 w/ discrete YM2612, Genesis Model 2 w/ ASIC YM3438, and Genesis Model 2 w/ GOAC YM3438. I've considered the discrete YM3438 mod or the CCAM, but then thought the ability to toggle between filtered and unfiltered, especially if could be wired to external switch, would be useful.

If you're not sure, I grouped some of the samples Ace provided:

https://drive.google.com/drive/folders/0B8MxJk7xrGPZX2M4V0Npc1BRRm8?usp=sharing


 Thanks for any advice/info you can provide!

Genesis Consoles:
MD1 VA2 Discrete YM2612
MD1 VA3 Discrete YM2612
MD1 VA6 Discrete YM2612
MD1 VA7 ASIC YM3438
MD2 VA1 ASIC YM3438
MD2 VA1 ASIC YM3438 (w/ Helder's MegaAmp)
MD2 VA2.3 Discrete YM2612
MD2 VA3 ASIC YM3438
MD2 VA4 GOAC YM3438 (MK-1451 Majesco)

Offline Speedy

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Helder's Mega Amp PCB for Genesis/MD
« Reply #1 on: February 04, 2017, 11:01:24 PM »
I haven't messed around with the MegaAmp any but it shouldn't cause any issues with playing back DefleMask ROMs/VGMs since they're about as special as a normal VGM (and DUSTINODELLOFFICIALs channel is proof that the MegaAmp handles VGMs fine).

Offline Curriculum Crasher

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Helder's Mega Amp PCB for Genesis/MD
« Reply #2 on: February 07, 2017, 01:21:21 PM »
Thanks, Speedy!
Genesis Consoles:
MD1 VA2 Discrete YM2612
MD1 VA3 Discrete YM2612
MD1 VA6 Discrete YM2612
MD1 VA7 ASIC YM3438
MD2 VA1 ASIC YM3438
MD2 VA1 ASIC YM3438 (w/ Helder's MegaAmp)
MD2 VA2.3 Discrete YM2612
MD2 VA3 ASIC YM3438
MD2 VA4 GOAC YM3438 (MK-1451 Majesco)