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Mk 1.5 question
Posted: Sun Nov 06, 2011 5:17 pm
by univalve
Any advice with which ones of these to Go highly appreciated.
OC75, OC81M, OC81DM, OC82D
Thanks!
Re: Mk 1.5 question
Posted: Sun Nov 06, 2011 5:43 pm
by Zounds Perspex
I don't think the trannies matter as much as the ears of the builder.
that said, are you registered over at the D*A*M forum? they live for questions such as these.
Re: Mk 1.5 question
Posted: Sun Nov 06, 2011 6:38 pm
by devnulljp
OC75
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 2:19 am
by univalve
devnulljp wrote:OC75
Thanks dev!

Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 2:30 am
by blunder
What Dev said. OC75's sound good in that circuit.
But I have also built 1.5's with AC125, 128, 151, and various other transistor combos that sounded good.
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 3:49 am
by StopReferencing
AC128 is my preference.
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 4:27 am
by ghost_effects
NKT274/OC42 combo!
seriously though, its all about the gains not the numbers on the transistor case.
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 4:49 am
by univalve
Thanky guys. My decision is OC75.
and soon i have to order some stuff at ghost effects, i think...
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 4:55 am
by Schlatte
OC75...
But measure their HFEs...
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 5:36 am
by ghost_effects
univalve wrote:Thanky guys. My decision is OC75.
and soon i have to order some stuff at ghost effects, i think...
hehe yeah fair enough, OC75s seem to be the reliable choice for most circuits it seems, though get this - i have NEVER used them in any pedal!
used just about every other OC series transistor but not the 75!
i had a creepy mk1 a while ago with all oc75s in, sounded great, but no greater than other mk1s i have done myself with alternative transistors in there.
i have an absolute humdinger new pedal coming up very soon!
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 5:38 am
by univalve
Schlatte wrote:OC75...
But measure their HFEs...
i do not build stuff myself. i give money to others to build it
this one is pigdog
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 5:42 am
by univalve
ghost_effects wrote:i have an absolute humdinger new pedal coming up very soon!
i got one of your mind rockers (i think kosta was the originall owner) and i'm very impressed of it. got a great sond idea with that too. so i think i need to get some others. buzzaround, doom bender and harbinger are tempting. but sounds of today also... hmmm
so what is the new pedal?

Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 5:53 am
by phantasmagorovich
univalve wrote:ghost_effects wrote:i have an absolute humdinger new pedal coming up very soon!
so what is the new pedal?

My guess is that he's talking about this:

A remake of this:
[youtube]http://www.youtube.com/watch?v=AWxS60-U0os[/youtube]
Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 5:56 am
by univalve
Awesome Finish!

Re: Mk 1.5 question
Posted: Mon Nov 07, 2011 6:03 am
by phantasmagorovich
I love it too, but Ian wants to go closer to the original looks and thus it will be red on silver with a red baseplate. I am having a hard time not to pull the trigger on this. It is damn sexy, but there are so many things I want atm.

1st world etc.