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Hi, I have a Mark IV Compact Combo loaded with EVM-12L speaker, I got it in part Ex for some Theile cabs I no longer wanted. The Preamp Tubes have been replaced by Electro Harmonics ones and I find the gain on Ch2 a bit low. (Compared to my old Studio Pre / 295 Simulclass setup all the...

Hi, I've got a 295 PowerAmp on which Channel A so far has :- Melted 1 EVM12L Blown 1 EVM12L Deformed Voice Coil on another EVM12L so it now makes a horrendous noise. Incidentally Channel B seems to be working fine (taking the same punishment and speakers are fine) Things I have noticed...

Hi, I've just aquired 2 off 1x12 Thiele Mesa cabs, circa early 90's They are labelled up as having EVM12L's but removal of the back shows MC90 Celestions, I'm currently in discussions with the shop in London I purchased them from, but I'd like to find out what cones they left the factory with...

Hi, I'm looking at changing a few valves in my Studio Pre. However having taken the top of I'm a bit lost as to which valve is what ? Can someone identify from my photo graph which is valve V1 - V4 (I've identified V5 as it's a different type i.e. 12AT7) Cheers,

Hi, I know that my question looks a bit stupid but it's not. I have the Studio Pre in the Insert Loop of my TC Electronics G-System. Problem is the Main Outs are too hot and are causing digital clipping on the G-System, the Recording outs are the wrong sound and the Effects loop out bypasses...

Hi, Looking for some speaker advice, I've just melted 2 x EVM-12Ls on their first gig, brand new re-cones with genuine EV parts. Running them both with a singe side of a Mesa Simul Class 295 power amp giving 95 watts of power. Any clues as to what's happened here ? The recone guy is claming...

Hi, My studio pre amp started going fizzy in a gig last night then within the space of about 5 songs got weaker and weaker until there was no sound at all. I've opened it up today and the tube at V2 position has gone all silvery black inside between the Mica spacers at the top. I'm assuming...

Hi, I'm thinking of changing the 12AX7 phase splitter tubes in my 295 power amp. Any recommendations ? Do these affect the tone or do I just need decent quality stable tubes ? Cheers,

Hi, I'm thinking of modding my Studio Pre Amp with the Mark IIC+ mod I have details and a parts list for. Has anyone done this and what are the benefits please ? Any Help Appreciated, Parts came to about £5 :-D

Hi, I'm looking to wire in an adjustable bias mod for the tubes in my Simul-Class 295 Power amp. The Amp uses 2 x EL34s and 2 x 6L6GC's in both sides of the Stereo setup. I don't want to be restricted to using Boogie Tubes and would rather decide my own sound. Any Help appreciated.

PM me if you've got either to sell please UK only.

Hi, I'm trying to set up my Studio Pre with my TC-Electronics G-System and have three options :- 1) Use the normal "main outs" for feeding the pre-amp signal back to my pedal board - Results way too hot, clipping etc. 2) Use the "recording out" which according to the manual are "buffered" -...

Side A has decided to stop making any noise, well apart from a very quiet "ppppphhhhhhttttsssss" when I first switch it off standby. Apart from that it's silent. All the Tubes are lit up, and at present only using it in the house so not been over working it. It makes no difference if it's in...

Hi, I've got a very old Mesa 2 x 12 Vertical Slant cab, it's got holes in the bottom some kind of push in wheels. Any ideas where I can get some ? Or what they are called ? Part numbers ? Cheers,

Hi, I've got a 2x12 Vertical Slant cab, open backed on the top and closed back on the bottom. Loaded with Black Shadow Electrovoice EVM-12L's, 1 speaker input. Big Diamond Black Metal Grill, Large Mesa / Boogie Name plate on front. Firstly what is the proper model / description of this cab so...

Hi, just purchased a 295 Stereo poweramp and suspected all the power valves were the same so took the lid off and confirmed there are 8 x 6L6GC's in there. Why have the 6CA7's been taken out ? Any ideas ? Also if I wanted to put the 6CA7 or EL-34's back in do I need to re-bias it ? Any help...

Hi, I've recently put a rack together consisting of a Studio Preamp and a 295 Stereo Simul Poweramp. Firstly I was wondering what level to set the poweramp to ? and the preamp outputs etc to get the best sound balance. Also any settings for the Preamp channels appreciated :) What foot...

Hi, just a quick question, What's the weight of a 295 rack power amp ? cheers, Japster

Hi, I've aquired as a freebie with 2 guitars I bought a Mesa Boogie Studio Preamp, it's all Valve and has rack mount brackets. It works fine and still has a factory tag on it stating it has a serial number of SP-5864. I just wondered how old it was and how much it's worth ? Any Help...

Hi, I've got 3 x EV EVM-12L speakers in my possession :- 1 x Black Shadow (blown) which clearly states 8 ohm (200watt) 1 x OEM EVM-12L (good) which has a number ink stamped on the back of "812 9460 725" 1 x OEM EVM-12L (blown) which has the same OEM markings as the one above but the only...