September 27, 2011 | In: Audio, Hardware by Stamba

Commodore SID Symphony II


As you can read it in the shop :
Commodore SID Symphony II 6581 Cartridge

For 64 Owners Who Need Stereo Sound

Adding a second SID to your 64 & 128 has always involved soldering, cables, jumpers and more! Now you have a real alternative! A Plug & Go Option!

The SID Symphony II 6581 Cartridge – This is as simple as it can be, insert your Commodore 6581 SID (not included) into the empty socket and plug into your Commodore 64! Thats it!

As simple as ABC, works with any software which access between the $DE00 to $DFE0 address range.

Commodore 6581 SID is not included.

Plug In 6581 SID Cartidge designed by Digital Audio Concepts

7 Responses to Commodore SID Symphony II


Richard Atkinson

January 5th, 2012 at 7:10 am

There are some clones of Digital Audio Concepts’ SID Symphony II cartridge being sold on ebay UK at the moment. There are some problems with the clones and I have written an article about how to fix these.



January 6th, 2012 at 2:15 pm

Thanks Richard !
I actually got this one from the seller you mentioned :/


Isacco Garcia

August 4th, 2014 at 2:17 pm

Good solution. I am thinking about this… But if I want use it with MSSIAH Cartridge, i need to buy also APROSPAND64 or equivalent cart port expander.



November 28th, 2014 at 8:41 am

Will I need to get something else to make this work with MSSIAH Cartridge?



October 24th, 2016 at 12:29 am

Hi, i have a commodore 64c (with the 8580 sid) can i use this cartridge?



November 7th, 2016 at 3:46 pm

Yes Hugo, you can, but you have to put a 6581 in the cart ­čśë



November 17th, 2016 at 1:18 pm

thanks for your reply…just another question,
i have a cynthcart V2 and a datel midi cartridge conected to a mini expander, can i buy another mini expander and the sid synphony and have all working togeder?

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