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Lets get Technical > All Things Tube All about preamp and power amp Tubes.

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 1 
 on: Today at 06:30 AM 
Started by herbyguitar - Last post by MarshallJMP
Yep without the ribbon cable the mp-1 won't fire up, that's normal.

 2 
 on: Today at 05:53 AM 
Started by herbyguitar - Last post by Iperfungus
You scared me a lot mate!  :lol:

I've to replace some caps and one IC on my MP-1...  :lol: :lol: :lol:

Now I know I've to pay attention to ribbon cables connectors!  :banana:

 3 
 on: Today at 02:51 AM 
Started by rabidgerry - Last post by rnolan
Hey RG, initially I used the IPS33 dist loop as it made sense.  I ran like that for quite a while.  Then I got over having to plug the guitar into the back of the rack (as I didn't run anything in front of the MP1). I ran the IPS33 input off send 3 of my desk so I tried it direct to the input rather than the dist loop return and it worked just as well without stuffing around and meant I could plug the guitar direct into the MP1 (later MP2) in front.  Also I sent both ADA channels to send 3 ie IPS33 in (send 1 & 2 are L/R to Quadverb), IPS33 1 & 2 outs to 2 channels, also sent to Quadverb.  I didn't notice any tracking degradation not using the dist loop so stayed like that.

 4 
 on: Time Format 
Started by herbyguitar - Last post by Systematic Chaos
Congrats!
V1 is the closest tube to the front, V2 the other.
Check the Stock Gain Mod instructions for the OD Trimpot (T2) adjustment:
Step 10: Tweaking the OD1 Trimpot
Here is how to set the input stage gain-trim:
1) Plug your MP-1 back into your rack, make sure you have ample access to the top of the unit.
2) Locate the OD1 Trimpot you replaced in steps 6 & 7.
3) Dial-up your favorite high-gain patch.
4) Grab your main axe, plug it in, and switch to your bridge pickup.
5) Set the OD1 Level Control to 5.0 or 6.0 (or 7.0 depending on your pickups). You will have to play
around with this setting until you are happy with how the other channels sound, especially the Clean-
Tube channel. I wouldn’t let this setting get above 8.0, it may get too muddy or noisy.
6) While you are doing palm mutes and/or heavy open chords (“Pull Me Under” is a good riff to test
with BTW), have your little brother turn the trimpot dial with a little miniature screwdriver until the
OD1 Clipping LED lights up frequently on downstrokes, but doesn't stay lit all the time.

 5 
 on: Time Format 
Started by herbyguitar - Last post by herbyguitar
Thanks for the offer Kim. I just finished everything.

Verdict: ... IT'S ALIVE!!!   >:D

Just finished testing. I cranked it up and put OD1 and OD2 both on 10. It's quiet and cleaned up very well. Just enough gain for metal and my SC strat. Kept all those nice overtones as well. It's like it cut the distortion but kept everything else. I'm very pleased.

Now all I need is a gate for the back end. Actually... I may not even need a gate on the back side. I should be set and running by next weekend   8)

[edit] Last questions:
1) Is there any adjustments I should do with the internal trim pots?
2) On the tube board, which sockets are V1, V2?

 6 
 on: Time Format 
Started by rabidgerry - Last post by rabidgerry
Malcolm Young was AC/DC.  They could not be AC/DC without him.  A revolving door of drummers, a few different vocalists, but take Malcolm out of there and they do not exist, IMO.

True, everybody talks about Bon and Brian, and Angus always has the spotlight with the spastic schoolboy angst but the truth is that Malcolm made the riffs.  He preferred to stay back near the drum riser and hold that rhythm section accountable.  Not even a mob boss could lock everything down tighter than Malcolm, Cliff, and whichever drummer they had at any given time.   I never was a huge fan of Angus; I appreciated him but I always had a ton more respect for Malcolm because he just did his thing, did it better than anyone else, and didn't showboat, bullshit, or braggert his way through any of it.

Malcolm did more with 4 chords than all the other Rock guitarists of his generation together.  And did it with fuggin STYLE and TRUTH.
The world of Rock music owes a huge debt to this man, and we'll sing loud and proud all of his riffs.   RIP Malcolm Young.  We thank you so very much for your gifts to us.

Jesus that's a little harsh man but if that's your opinion, that's your opinion :o

They didn't have a revolving door of Drummers at all, it was mostly Phil Rudd for best part of 20 years, then Simon Wright and Chris Slade.  And to be fair to Brian and Bon, man those guy's are equally as special, no question about it.  And the Spastic School boy..........................that man's energy and ability are not to be overlooked in the slightest.  My only criticism of Angus is how he treated Brian Johnson the minute he heard he was no longer able to play live again.  Totally ridiculous, cold and callous.  I'm so glad Brian got his hearing fixed, that man lost his ability to sing a few years back and then totally regained it for the Black Ice album.  Utter Respect for Brian Johnson.

 7 
 on: Time Format 
Started by herbyguitar - Last post by Kim
Yes they are a PITA.  It's a slow process that requires a bit of patience....not like installing them at the factory when everything can just be wave soldered and go, that's for sure.

If you think you might want to send it to someone to get that sorted, I may be available to do that.  I'm in Wisconsin, btw.

 8 
 on: Time Format 
Started by herbyguitar - Last post by herbyguitar
New transformer is in. No troubles. All is well. This was simple. I like simple ^-^

 9 
 on: Time Format 
Started by rabidgerry - Last post by Kim
Malcolm Young was AC/DC.  They could not be AC/DC without him.  A revolving door of drummers, a few different vocalists, but take Malcolm out of there and they do not exist, IMO.

True, everybody talks about Bon and Brian, and Angus always has the spotlight with the spastic schoolboy angst but the truth is that Malcolm made the riffs.  He preferred to stay back near the drum riser and hold that rhythm section accountable.  Not even a mob boss could lock everything down tighter than Malcolm, Cliff, and whichever drummer they had at any given time.   I never was a huge fan of Angus; I appreciated him but I always had a ton more respect for Malcolm because he just did his thing, did it better than anyone else, and didn't showboat, bullshit, or braggert his way through any of it.

Malcolm did more with 4 chords than all the other Rock guitarists of his generation together.  And did it with fuggin STYLE and TRUTH.
The world of Rock music owes a huge debt to this man, and we'll sing loud and proud all of his riffs.   RIP Malcolm Young.  We thank you so very much for your gifts to us.

 10 
 on: Time Format 
Started by rabidgerry - Last post by van Sinn
RIP Malcolm.
So glad I saw you live at Monsters of Rock in Copenhagen while AC/DC were at the top.
You really got the rhythm going strong!  I felt close to shirt-fronted..

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