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| | |-+  jtm45 with/without PPIMV		 « previous next »
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Author Topic: jtm45 with/without PPIMV  (Read 10333 times)
pekkaee
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« on: November 07, 2007, 07:48:15 AM »
Hello You All and thanks Kitarist, nice forum! Cool

I`m GAS:ing for JTM45, but have heard they are very loud amps! I play kind of jazz (with  acoustic instruments) and bluesrock (with band), so nice cleans means lot. My current amp is VOX CC2X - it does cleans very well but for bluesrock I can`t find that warm crunch/OD-saund I`m looking for even with pedals. Does PPIMV "eat saund"? It is (PPIMV) bypassable if turn it off/on? Does Nik do this mod? Speakers suggestions (2 x 12" or 4 x 10")?

Land of the ice and snow - Pekka
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Roe
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« Reply #1 on: November 07, 2007, 12:36:27 PM »
nik kan do a MV. but it can kill some tone in a 45. it can muddify the bass a little. (try to decrease the V1 katode resistor to 25uf-3uf).

the 45 is warm amp. it's not that loud. to keep volume down: 2x10, 1x12 or 2x12
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Franc
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« Reply #2 on: November 07, 2007, 01:16:07 PM »
Bass is always a problem with a JTM45.

I have put a PPIMV in my JTM45 and never regretted it. I just 100k stereo instead of 250k tho. Helps to keep the bass tighter it seems.
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hamfist
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« Reply #3 on: November 08, 2007, 07:32:34 AM »
PPIMV works very nicely on my new Ceriatone-based Jtm45.

My new cab has two Celestion Heritage G12-65's and they are sounding awesome at the moment - suit the amp very well to my ears.
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pekkaee
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« Reply #4 on: November 08, 2007, 05:06:46 PM »
Thank You all the answers. Is there anybody knowing if PPIMV is all way down (or up) is sound same as JTM45 without PPIMV? Pure it`s shimmering shine and glory Wink!
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Franc
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« Reply #5 on: November 08, 2007, 05:49:54 PM »
Depends on the exact PPIMV, but the Ken Fisher (which is the most straight forward one) is out of circuit when on 10.
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pekkaee
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« Reply #6 on: November 08, 2007, 08:14:01 PM »
Thanks Franc!
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Trazan
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« Reply #7 on: March 14, 2008, 11:52:34 PM »
Quote from: Roe on November 07, 2007, 12:36:27 PM
nik kan do a MV. but it can kill some tone in a 45. it can muddify the bass a little. (try to decrease the V1 katode resistor to 25uf-3uf).

the 45 is warm amp. it's not that loud. to keep volume down: 2x10, 1x12 or 2x12

You mean muddify even when set to full blast? I'm having Nik installing a PPIMV on the JTM45 I just ordered, and according to him it's like it's not then when on full.
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