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121  Ceriatone / Overtone / Re: How to set the PI balance using scope on: March 21, 2011, 07:01:35 PM
Hello all
back to the infamous PI pot this thread leaves me wondering what I am missing.
Mcinku for those of us that dont have access to an O-scope, what difference in tone are you noticing once you have it set properly?
I am just wondering if this will be a necessary adjustment for my amp since right now it sounds great. Although I want to get the most out of the amp too.
Would you be able to tell the differennce between an OTS that has PI setup and 1 that has not by ear?
Thanks
Todd

Like Erwin stated the goal is to get best harmonics and bloom... I try to achieve it with setting my PI to be perfectly balanced like shown on the video and than I get my guitar and play some chords... the sweet spot is usually very very close to that.
122  Ceriatone / Overtone / Re: How to set the PI balance using scope on: March 21, 2011, 06:55:44 PM
This is a great thread - now I'm starting to feel like I know how to do this adjustment.

Only problem - my scope doesn't seem to have a math function - it's an older Heath 4226. Can I use the X-Y mode? Or is there some other way to set the thing? Actually it might have some kind of math mode, just that I don't have a manual and can't find anything obvious on the panel.

Do you have a measurement function? Both waveforms should have the same pp voltage... when Vpp is the same on both plates, sum of both is zero.
 Wink
123  Ceriatone / Overtone / Re: How to set the PI balance using scope on: March 21, 2011, 10:58:39 AM
I made mine switchable 4-8-16 just in case...
124  Ceriatone / Overtone / Re: How to set the PI balance using scope on: March 21, 2011, 09:48:29 AM
My choice would be a dummy load or your ears will bleed  Grin... 1kHz freq is not a lot of fun to listen to
 Wink
125  Ceriatone / Overtone / How to set the PI balance using scope on: March 21, 2011, 08:09:27 AM
This might be helpfull for all DIY guys which are lucky enough to own a scope...

  • Feed the amp with 1kHz (power amp input - loop)
  • Connect your probes on PI plates and set the scope to measure AC
  • Set the math function to sum the two channels
  • Adjust trimmer until you get the straight line (or close to)

126  Website, Store / General / Re: New Guitar Day For Me on: March 21, 2011, 06:53:33 AM
I'm not an LP guy but still, everybody needs a paul... and this one is a beauty.
 
congrats
Wink
127  Ceriatone / Overtone / Re: Quinn 183 pre with Mill Creek/Ceriatone BM PWR amp on: March 18, 2011, 07:31:42 PM
When I get everything setup I'll make another clip to compare.

When you promise something here, you better deliver or we will find you...
 Grin Grin

 Wink
128  Ceriatone / Overtone / Re: Quinn 183 pre with Mill Creek/Ceriatone BM PWR amp on: March 18, 2011, 06:42:52 AM
Sounds awesome.... can you perhaps switch between 183 Quinn and Bluesmaster preamp on the fly.
I would love to hear the difference side by side in the same clip.
 Wink
129  Website, Store / General / Re: our hearts and prayers go out to people of Japan on: March 17, 2011, 11:55:31 AM
Man this is getting worse and worse... devastating really
I really hope this is going to get better soon...

 Cry
130  Ceriatone / Overtone / Re: HRM or HRM-BM?? on: March 09, 2011, 09:06:47 PM
For an old rocker who's addicted to lots of gain... I would say nonHRM amp would be a better choice.
Just throwing that in to make you life even worse.
 Grin Grin


....that's just my humble opinion of course.
 Wink


It's very hard to propose an amp to a person like that... bottom line is both amps would do the job just fine.
You need to ask yourself what do you like... Fendery tone perhaps? An amp which likes pedals better?...than BM is your amp.
If you want more of that signature Dumble smooth tone, than perhaps HRM would be a better choice.
Sorry to say this but you're on your own.
 Wink
131  Ceriatone / Overtone / Re: Bluesmaster Bass/lack of brightness problems solved!! *kinda long read* on: March 08, 2011, 06:58:39 AM
Man now I feel sorry for that wurlitzer...
 Grin
132  Ceriatone / Overtone / Re: Bluesmaster Bass/lack of brightness problems solved!! *kinda long read* on: March 07, 2011, 07:52:31 PM
Nice to hear you found your tone... but man I'm trying to stay away from those NOS tubes.
Once you start buying those it can become really expensive.
  Tongue
133  Community / Classifieds / Re: Ceriatone Champ on: March 05, 2011, 07:38:20 AM
A friend of mine is a carpenter and he did it for me... as you can see he put his mark on the cab at the back... nice touch isn't it.
134  Ceriatone / Overtone / Re: Simple HRM Bluesmaster mod for that icepicky overdrive on: March 03, 2011, 12:53:24 PM
That's a nice photo, I like it.
 Wink
135  Ceriatone / Overtone / Re: Simple HRM Bluesmaster mod for that icepicky overdrive on: March 01, 2011, 01:19:51 PM
BM is definitely not an ice picky amp... I use mine with D-lator and my presence is on three o'clock to compensate the loop a bit.
Are you sure everything is OK with your amp?
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