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anybody recognizes this preamp?


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Posted

Hello,

This is a very stragne Marshall 9000.

600x247-2007051700002.jpg

I call it strange, because all I found on the Internet was this

http://www.h3.dion.ne.jp/~playtone/9000.html

As you see it is alos 9000 series, but there are some differences in these preamps' views; besides the first preamp is all-tube while the second one is just SS (as I read). What a confusion!

So maybe some one knows what is the all tube Marshall 9000? If this tube Marshall 9000 is so rare maybe I'll get it for my collection.

Thanks.

Posted

I believe the 9000 was solid-state, and the 9001 was the tube preamp. There was (again, IIRC) a tube rack power amp (9005?) that was 50Wx2, with two pairs of EL34s.

These weren't around long; the JMP-1 preamp and 9100/9200 power amps replaced them.

Posted

I believe the 9000 was solid-state, and the 9001 was the tube preamp. There was (again, IIRC) a tube rack power amp (9005?) that was 50Wx2, with two pairs of EL34s.

These weren't around long; the JMP-1 preamp and 9100/9200 power amps replaced them.

The power amp was also the 9000 series. I know that model, and it is very good. However, what bothers me alot is two versions, of one model of the 9000 preamp. The seller says it is tube. In addition, I read that at marshallapms.com

http://www.marshallamps.com/resources/read...mps.asp?page=27

Hi I'm an Italian guy, I play lead guitar in two band: with one, we play blues and rock 'n roll, in the other, we play AC DC covers. For my amplificatioin, I use only Marshall: only the best...

I've got, a Marshall 9000 series (tube preamp), a Marshall 8008 (power amp) a 1936 cab, and the new entry: the Marshall 1987x 50 watt re-issue.

My favourite guitar is an old Amrican Kramer: a pacer custom 2.

I have no word to describe the sound I get from my baby...

So unless that guy was mistaken, he wrote he had a tube preamp.

Here is the link strnslated from Japanese by the google service.

http://translate.google.com/translate?u=ht...Flanguage_tools

Maybe this translation misinforms?

Posted

the 9000 series had two different preamps IIRC:

9004 which is a 2-channel solid-state preamp (here's one on ebay - not mine and i don't know the seller etc...)

http://cgi.ebay.com/Marshall-9004-Stereo-G...1QQcmdZViewItem

the 9001 was a 3-channel tube preamp - I used to own one and it was pretty decent. I recall something about the clean/crunch sharing an EQ, but there was a contour control to tweak it for the crunch channel. I think it had 5 bands for EQ on the lead channel. Had plenty of gain (my other amp was a JCM 900 combo that went to 20!), and it departed my collection when I found a Mesa Quad preamp that I still use. The original foot controller for the 9001 had 4 buttons; 3 for channel select and the fourth might have been a boost - not sure). Not a bad preamp if you find it cheap, but I'm not sure about collectible. Then again, maybe all that rack gear is coming back (right, just like my hairline lol...) I'll see if I can find it in my old marshall catalogs in the basement.

Posted

I'll see if I can find it in my old marshall catalogs in the basement.

That will be very good. This 9000 is $305 on sale. Too much for an SS preamp, but as for a tube verstion it might be ok.

and it departed my collection when I found a Mesa Quad preamp that I still use

By the way, since I never manage to find the Mesa Quad, I'm also thinking of getting the Mesa Studio Preamp. What do you think about that preamp? Actually I have money to get both right now, but I'm unsure about 9000, and form what you say I think I can get the Mesa Studio ($350).

Posted

I used to have a Mesa Studio preamp prior to the Quad (it was a few years ago, so I forget whether the Marshall was prior to the Studio or after - but I know the Quad was the last preamp since it's the only one I kept). The Studio was supposed to be like a Mark II Boogie, and I remember it sounding really good but the Quad is like 2 Studios wedged together. I have the Quad paired up with a SimulClass 295 running 30 watts per channel with a 2-12 Mesa split-stack on each side. Just knocked a lotta dust out of the practice room last weekend - and I have only used the 90 watt per side channel once or twice because it's so loud lol.

That seems to be a fair price for the marshall; I don't think those are really collectible, but at that price you shouldn't lose much money if you don't like it and want to resell it. For $350, I would pick up the Studio preamp - i think it has better tones than the Marshall. Depends if you like Boogies over Marshalls - I always seem to land with Boogies and Marshalls never seem to stick around (although the one Marshall I loved I never owned - a JTM45 reissue with the tall cab). Let us know how it works out - good luck on the tone search.

Posted

I'm pretty sure that the one pictured above is the 9001 (the Stereo Tube model preamp). The 9004, the SS version, is configured slightly differently, and the 9004 also had a headphone jack on the face (all the way to the right of the unit).

Posted

Just buy my JMP-1 and your done!!..$600.00 w/ footswitch shipped

Thank you guys for your suggestions; this forum seems the only one I got substantiated answers to my questions.

Well I do have the JMP-1; I was happy to get it for $500, but to be honest, I don't like it very much. Not like it's a bad preamp, it is just not my cup of tea. And it isn't a fully tube preamp since the main distortions are made by an op-amp before the signal hits the tubes. Then the tubes do some post-processing and give the signal a tube shape. If this 9001/9000 is the same facture as the JMP-1 then I don't think I need it. But if it is like the JTM45 or SLP 1987 or JCM800 then I think it will be good part of my rig, cause I played once these models and was really fascinated. (the only reasone I don't have any of these heads is their big wattage for home playing, my VHT 2902 must be quieter)

As for the Mesa Studio the seller says the Middle knob is noisy if turn it, I think the pot needs to be replaced. And the rest is ok.

And I've never played any mesa/boogie live.

Posted

Try replacing the 12ax7 tubes in your JMP-1 with lower gain tubes. You can soften the distortion quality that way. Much cheaper than another preamp!

  • 1 month later...
Posted

That was the 9001 defenitely. I found out about that version. The guy who was selling that marshall had bought a rockmaster peavey for replacement. For probably $200. And that Marshall is still on sale for $300 as well. I think I'll better get a peavey too when the time comes.

Posted

A studio I used to work at in MA had a 9001 (?). It was IMHO what the JMP1 should have been (with MIDI, of course). For 'marshall' sounds (plexi, 45 or maybe 800 into 900 high gain territory) it really is an excellent preamp. I like the JMP1 for sort of modern hot rodded plexi type of sound, but other than that ..the 9000 is a better sounding preamp (to me). We used to put it into the FX-in (bypassing the preamp circuit) of a NMV 800 (with 5881s I believe) into an old pre-Rola g12H loaded 4x12. It was the bees knees.

If that's what you're looking for, I would jump on it.

my .02

Posted

A studio I used to work at in MA had a 9001 (?). It was IMHO what the JMP1 should have been (with MIDI, of course). For 'marshall' sounds (plexi, 45 or maybe 800 into 900 high gain territory) it really is an excellent preamp. I like the JMP1 for sort of modern hot rodded plexi type of sound, but other than that ..the 9000 is a better sounding preamp (to me). We used to put it into the FX-in (bypassing the preamp circuit) of a NMV 800 (with 5881s I believe) into an old pre-Rola g12H loaded 4x12. It was the bees knees.

If that's what you're looking for, I would jump on it.

my .02

Good .02 Thanks. So you used the same model I provided on the pic. Actually, I don't like the JMP-1 very much cause it sounds like an ordinary SS preamp (for me). The most of all I love two preamps: the Egnater IE4 (for cleans) and Engl 620 (for crunch and heavy tones). The Engl 620 sounds plexi-like buy a bit too concrete, but it has 3 tubes! the Egnater has 7. the JMP-1 has 1 tube for cleans and 1 tube for overdrive and the distortion is gained by an op-amp and distorted by a diods.

http://moydodyr.sbn.bz/pics/jmp1stages.JPG

So what's the use of paying so much for a simple screamer that goes through tube coloration, ah yes - because of the midi stuff.

And if the 9000 is based on the same principles, it's prolly not my cup of pie. However if it is totally tube and distortion is formed by tubes, it desreves attention.

As well as this guyatone RPA/300:

http://translate.google.com/translate?u=ht...Flanguage_tools

Posted

Just buy my JMP-1 and your done!!..$600.00 w/ footswitch shipped

Thank you guys for your suggestions; this forum seems the only one I got substantiated answers to my questions.

Well I do have the JMP-1; I was happy to get it for $500, but to be honest, I don't like it very much. Not like it's a bad preamp, it is just not my cup of tea. And it isn't a fully tube preamp since the main distortions are made by an op-amp before the signal hits the tubes. Then the tubes do some post-processing and give the signal a tube shape. If this 9001/9000 is the same facture as the JMP-1 then I don't think I need it. But if it is like the JTM45 or SLP 1987 or JCM800 then I think it will be good part of my rig, cause I played once these models and was really fascinated. (the only reasone I don't have any of these heads is their big wattage for home playing, my VHT 2902 must be quieter)

As for the Mesa Studio the seller says the Middle knob is noisy if turn it, I think the pot needs to be replaced. And the rest is ok.

And I've never played any mesa/boogie live.

I too didn't like the JMP-1's...at first that is, now it's the heart of my rack going on umm....alot of years!!! lol!

(have 3 of em)

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