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Forums > C64 Composing > Which 6581 revision...
2006-04-19 18:34
Bamu®
Account closed

Registered: May 2005
Posts: 1332
Which 6581 revision...

Hi!

Which -> 6581 <- revision sounds best? Which one has the best sounding filters?
 
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2006-04-21 19:06
Laxity

Registered: Aug 2005
Posts: 459
Quote: @sidder: waves $50 and $60 works just fine on my 6581r4.... but those waves are quite boring... you don't need those to do something special.... just check what I've been doing sondwise over the years... only used wave $50 a few times.

but 6581 or 8580... seems to be a matter of taste or what you're used to... I just hate the stupid cut-off curves in 8580... makes no sense at all.

Also one more thing, which again has something to do with what you like or are used to... 6581 filters sound more "warm" to me, whereas 8580 sound a bit more "plastic".

A positive thing about 8580 is that you can switch filtertypes more smooth than on 6581, it seems.

But I know what I like..... www.6581.dk
;-)


@Cruzer: I think coders should limit themselves to only using ASL,BRK and NOP ;-)


But you mean all emulated, right? ;)

Waveform $51 works on my old 6581r1 (At least I think it's a r1, cause the filter is bizzar!) too, so possibly that one was always ok.. It goes mute when the pulse width goes above .. eh dunno.. 2^8 or something (from the top of my head!).. You probably know this anyway!..

What's the story about the 6581r4AR anyway?.. I've never before heard about that particular revision?..
2006-04-21 19:15
Sidder
Account closed

Registered: Mar 2003
Posts: 56
Quoting Murdock

SIDDER: fuck you!

Jestes zerem...
Quoting Murdock

stick up into your emulator

... i hipokryta.

It's funny that Murdock is always so "brave" only in virtal reallity. When I wanted to talk with him at North Party in 2004, I heard only silent whisper "sorry" and saw Murdock runnig away into next room.

Quoting Murdock

Alot of composers used others tunes to compose their own

Yes, but not for 8 years, "baybe"...

Quoting Murdock

you are not into real scene

It's just your imagination, your imagination, your imagination...

Quoting Murdock

No need to explain why the remix of Touldie's song got released.

'cause there's no rational explanation to release such crap "tune".

Quoting Laxity

Someone must have had a brainfart when they desided to update the 64!

Especially this silent samples in 8580... Samples-playing technique was - if I'm right - known when Commodore started producing new SID.

Quoting Randall

I guess not many of us have enough experience to tell the differences between 6581 revisions

But emulation is good enough to see main differences beteen new and old SID. And it's enough to tell old SID has too hard filter (for me) and doesn't support $5/$6/$3 waves.

Quoting Jeff

waves $50 and $60 works just fine on my 6581r4.... but those waves are quite boring...

No, why? :) They are boring same as other waves. IMHO people doesn't use mixed waves also because of old SID - where $5 sounds like taken directly from "Texas Chainsaw Massacre"...
2006-04-21 19:28
Laxity

Registered: Aug 2005
Posts: 459
The $51 waveform goes mute around 12*(2^8).. Forgot the 12 part ;).. I wish I hadn't written that, anyway!.. You all know this, so I feel a bit stupid. Sorry, didn't want to sound like a wanna-be-know-it-all!

Here's an idea: We all go reSid, use the 6581 setting and it all sounds the same..

My wife just walked in.. I had some SID music I'm working on playing, and here's what she said: "I don't get it.. It sounds like crap all of it!.. Those tweeky sounds.. Sound distorted to me..." .. I think from that the conclusion is: Any SID revision is a SHIT revision (or maybe it's just my music!). ;)
2006-04-21 19:45
Devia

Registered: Oct 2004
Posts: 401
@laxity: until the next version of reSID ;-)

oh, and MY wife actually likes your music ,-)
2006-04-21 19:55
Laxity

Registered: Aug 2005
Posts: 459
Quote: @laxity: until the next version of reSID ;-)

oh, and MY wife actually likes your music ,-)


about reSid, true..!

She does?.. Cool ;)

My wife likes my acustic music, but that SID stuff she doesn't get. It's a flaw in her upbringing, you have to excuse her ;)
2006-04-21 19:58
Hate Bush

Registered: Jul 2002
Posts: 453
Quote:
My wife just walked in.. I had some SID music I'm working on playing, and here's what she said: "I don't get it.. It sounds like crap all of it!.. Those tweeky sounds.. Sound distorted to me..."


Same here.
I would almost admit that my dearest one is right ("YES, this is beep/blip/boing stuff, but I like it, so won't you let me finish this for chrissakes!"), but I think she is just allergic to certain synth sounds. Yesterday evening I was listening to Kraftwerk and she couldn't stand it either.
Eh, women.
2006-04-21 20:15
Devia

Registered: Oct 2004
Posts: 401
To get back on topic, check out http://sid.kubarth.com/

anybody got a 6582 btw?
2006-04-21 20:28
Yodelking

Registered: Apr 2002
Posts: 189
Quote: To get back on topic, check out http://sid.kubarth.com/

anybody got a 6582 btw?


Yes, I have one. (It's my photo on that site) :)
I have 6582, 6581 R1 or R2 (those revision are unmarked afaik), R3, R4, and 8580 R5.
I haven't compared a lot though, but I know some chips within the same revision sounds very different.
Someone once told me that 6582 was a lot like the 8580, but digis played on it.
2006-04-21 21:27
Devia

Registered: Oct 2004
Posts: 401
Well you _could_ test that 6582 ;-)

I read somewhere that R2 was already in production before the c64, so it would be fairly unlikely to find an R1 in a c64. It would have to be dated early 82.

Looking at the pictures on that site I come to think that maybe my one good R2 is a CSG and not a MOS. All other 6581 I have are MOS. Unfortunately I cannot (easily) check it as I have heat-sinked it, but I can remember the print being more dense and maybe even without a logo.
2006-04-22 00:21
Steppe

Registered: Jan 2002
Posts: 1510
I've got two R4ARs, would trade one for a R4 (for some odd reason I never had one of these).
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