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Yet another video featuring John Petrucci demoing all 3 channels of the JP-2C. Some really great tones in this. The actual demoing of the amp (starting with the clean channel) begins at 51:55: https://www.youtube.com/watch?v=9FazMQa6JLI

New video from Mesa Boogie of John Petrucci on stage with Doug West, demoing the JP-2C: https://www.youtube.com/watch?v=NLyJoDnXG7I

I'm a bit surprised how high he is running the bass knob on channel 2, but you can't argue with the tone he is getting: Devin Townsend GearWhore: Mesa Boogie https://www.youtube.com/watch?v=4uiDXyMsPxQ&t=366s

This was posted just a few hours ago. Thought some here might enjoy: https://www.youtube.com/watch?v=wceCFlnqlMg

Pretty cool clip of John being shown the chassis art for the JP-2C at the "Tone Lounge". There's also an interesting discussion on the concept behind the Shred feature: https://www.youtube.com/watch?v=_SFwoLkvm4c

I have no idea what this guy is saying, but the tones in this demo are great. Seems to be a pretty thorough demo too, going through all the channels & controls: https://www.youtube.com/watch?v=lw7JqGs95qk

4 new JP-2C demo clips just posted by Mesa on YouTube (Clean, Crunch, Solo & Shred Mode). I've only watched the Shred Mode clip so far, but the tones are far superior to that of the original official demo (IMHO). Clean: https://www.youtube.com/watch?v=kBu8HfOVyS8 Crunch...

This was posted just today on YouTube and I thought you guys might be interested. Some of the best recorded tones I heard from the JP-2C, especially the lead tone (the great playing doesn't hurt either). I definitely prefer the JP-2C over the Friedman on all 3 channels...

(The 4th time's the charm..............:rolleyes:) Relisted with no Reserve/BIN. Selling both of my Avatar 4x12 cabs (mono, 120 watts, 8 ohm). They have black tolex, white piping and wheat grille cloth, loaded with Celestion Vintage 30s/G12H30s (Hellatone 60s/30s) in an X pattern. Both...

IMHO, I think this is Petrucci's best live recorded tone (I only wish the box set wasn't so expensive............and I had a Blu Ray player :( ) Great liquid lead tone, and the rhythm tone is just crushing. Pure Mark IV goodness: :twisted: "Acid Rain"...

(The 4th times the charm!!!!.......... :roll: ) Carvin DCM600 solid state power amp. It's only 2 years old and in almost mint condition with no "rack rash" (other than some minor discoloration on a few of the units top screws). Carvin just recently discontinued the DCM600 and you're not likely...

http://www.youtube.com/watch?v=KjQEAb6VT-E

Our poor Dachshund couldn't escape the lustful advances of my son's Roboraptor: http://youtube.com/watch?v=D-fvOBM9EhA

(I asked this earlier today in "Q values of the sliders in the graphic EQ?", but that thread seems to get ignored like a Marshall Mode 4 at a Mesa convention, so....) Here's a schematic I found of the Mark IV's eq. I admittedly don't know anything about reading these, so can someone tell me...

These should help: http://acapella.harmony-central.com/forums/showthread.php?t=1694384 (Great pic of Mark Morton's settings, 12th post down) http://acapella.harmony-central.com/forums/showthread.php?t=1724103&highlight=lamb+mark+IV

It's in near perfect condition, re-listed with lower starting bid and reserve: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=170148907091&ssPageName=STRK:MESE:IT&ih=007

I need to know a couple of specific things about the on board graphic EQ on the Mark IV (the Mark series amps in general I guess): 1. What is the + and - decibel range of the faders? 2. What is the Q range of the frequencies (80hz, 240, 7550, 2200, 6600)? Thanks.