Old Sunn 2000s for guitar?

Discussion in 'Amps and Cabs' started by Trotter, Aug 31, 2008.

  1. Trotter

    Trotter Supporting Member

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    I have an opportunity to buy an old late 60's/early 70's Sunn 2000s bass amp. Has (4) 6550 power tubes...

    I was curious how this amp would work as a guitar amp? Any thoughts or ideas?

    thanks!

    ** update: bought amp... see my post and pics below! **
     
    Last edited: Sep 1, 2008
  2. SatelliteAmps

    SatelliteAmps Member

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    It would be loud. Very loud. Lots of cleans, punchy low end. Very loud.
     
  3. Trotter

    Trotter Supporting Member

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    I've heard of others using these for guitar amp... but yes, my thought would be very loud and clean!
     
  4. Tone_Terrific

    Tone_Terrific Member

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    I have a Sunn Solarus. Same family 2-6550's.
    Well balanced, full tone, not an overdrive amp, for me, anyway.
    Hefty build.
    2000S? Getting into seriuos power here, for a guitar amp.
     
  5. GrecoVee

    GrecoVee Member

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    I own a Sunn 200S w/ two 6550's, never used it for guitar tho. Sounds just incrediable and loud for bass into my old JBL loaded Acoustic 2x15
    cab. Can't imagine how loud a 2000S would be for guitar let alone bass!
     
  6. riker4208

    riker4208 Member

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    I've got one, but it has kt88s which I believe give a very different sound. I wonder if the one you are looking at could use kt's. I inherited mine from my father who bought it after seeing hendrix use them on a west coast usa tour. It's actually the first amp I ever played out of (age 7 or so). I think they are incredible. They are loud, but have an amazing presence and thickness. VERY THICK!
     
  7. aeolian

    aeolian Member

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    I think the Steel String Singer was roughly based on this amp. I know HAD worked on several Sunns and made his own versions in the early Santa Cruz days.

    I would be similarly loud and solid. A bit tight and stiff.
     
  8. lochry

    lochry Member

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    Ah . . . Sunn Amps. The first time I saw Jimi . . . .:D

    A 2000s will make a super loud, clean guitar amp. (Think Doobie Bros. playing through Traynor Super Custom Specials, and you will get a sense of the volume). The amps love pedals -- you'll need them.

    Most of the tone stacks in the early Sunn amps (1967 - 1972) were consistent across the whole line. If you have ever serviced these, you recognize the circuit immediately. With the exception of the contour knob and the "tone boost" switches (simple caps) on a few models, a 2000s is a 200s is a Sorado is a Sentura pushing one (or in the 2000s, two) Dynaco power amps (thus, dual rectifiers).

    The 2000s was Sunn's stock 4 x KT88 (or 6550 depending on year) platform. Although it was marketed as a "bass amp," the identical circuit was offered in 1968 "for guitar" as the 1200s. The 1000s added reverb and tremolo. The "effects" amps (1000s, later 100s, and others) usually added an extra filter stage.

    Check on how the output transformer is tapped. Some Sunns use special double shorting speaker jacks that allow you to tap different loads on each jack instead of the usual simple parallel jacks in Fenders, et. al. Here lies one small difference between the "bass" and "guitar" models -- the guitar amps usually have 16/8 ohm taps. The bass amps are usually 8/4.

    Caution: If you start gigging with a 2000s (as I did in the 70s), either hire a roadie or hire a chiropractor. If your apartment is cold, a Quad of KT88s makes a great space heater.
     
  9. Trotter

    Trotter Supporting Member

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  10. louderock

    louderock Member

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    check out some old Leslie West/ Mountain videos on Youtube. I think he used a 2000S
     
  11. Tone_Terrific

    Tone_Terrific Member

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    OooooH! Too much of a good thing! Have fun, buy a bag of earplugs.
     
  12. lochry

    lochry Member

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    Ah man . . . I'm dying.

    Last time I saw Hendrix, Noel Redding had EIGHT of these on stage.

    You probably has JBL D-140s in the cabinet. Might be a little dark.

    You need two roadies.
     
  13. Trotter

    Trotter Supporting Member

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    Seriously, that was the heaviest rig I think I've ever moved! haha.

    oh, and it works well with guitar in addition to bass!
     
  14. steadygarcia

    steadygarcia Member

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    Beautiful. Nice score!
     
  15. ROKY

    ROKY Member

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    That amp needzz some fuzz tonezz .

    Fuzzfacezz, Tone Benderzz, Big Muffzz,

    FUZZZZZZZ, BABY !
     
  16. drewl

    drewl Member

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    My bassist found my 69 2000s in the trash, 1 filter cap and some Tung Sol 6550's later it's an awesome sounding loud clean guitar amp!




    [​IMG]
     
  17. pcutt

    pcutt Member

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  18. Tone_Terrific

    Tone_Terrific Member

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    !! Cruel and unusual punishment there. A few bars of that would clear the girls off the dance floor.
     

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