Roberts 997 Reel to Reel

Discussion in 'Recording/Live Sound' started by soli528, Oct 3, 2006.

  1. soli528

    soli528 Silver Supporting Member

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    I dug up an old Roberts 997 reel to reel out of my grandad's closet. Anyone ever heard of these or used one? It's all tube and has it's own built-in speakers. It looks like this:

    [​IMG]

    I don't have the power cord (it looks proprietary) and I'm sure it needs some calibration/ pot cleaning, etc... but other than that it's near perfect! I really don't have the time or wherewithall to refurb it, hell, it may not even be worth it. I thought about just harvesting parts...
    The tube compliment is 6267, 12AD7, 6X4, 6BQ5, 6AR5 on the left channel and 6267, 12AD7, 6X4, 6BQ5 on the right. I guess the extra 6AR5 on the left may be for a mono output(?). I've never used any of those tubes in any amp-
    Does anyone have any experience with either this piece of equipment or any of those tubes? Thanks in advance for anyone's interest!
     
  2. Bussman

    Bussman Member

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    Refurb it. It would make a hell of a tube driven tape echo thing.
     
  3. soli528

    soli528 Silver Supporting Member

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    Interesting...I guess it would require some sort of modified second record/playback head or something? Isn't that how space echo works? :confused: Cool idea. I was thinking about just seeing how it sounds as a tube mic pre. There are preamp outs on the front panel which doesn't even require use of tape... Even just as a tube gain stage on the way to a A/D input... hmmm...
     
  4. Bussman

    Bussman Member

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    Most pro-grade recorder allowed you to listen to the program being recorded (to check for distortion and such). The playback and record head were spaced slightly apart so there was a delay. Check if yours was capable of listening to material as it records.

    It's true that it could also be re-purposed as a mic pre or distortion unit à la Jimmy Page on LZ IV. Have fun with it!
     
  5. e-z

    e-z Member

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    Isn't a 6BQ5 the same thing as an EL84?
     
  6. Bussman

    Bussman Member

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    Yep!
     
  7. covert

    covert Member

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    many people also pull the preamps and use them as standalones.
     
  8. soli528

    soli528 Silver Supporting Member

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    Thanks for the tip on Akai. I'm wondering if it's possible to get replacement parts like the detachable power cord that I am missing. Does anyone know if Akai or Roberts sources old parts?

    Also, does anyone know of a process by which the preamp sections can be removed/used? Should I just keep them in place and use the preamp outs of the chassis?

    Thanks again
     
  9. neve1073

    neve1073 Member

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    i have a friend who routes signal througha roberts for tape saturation and tone before it hits protools.

    he tells me it's great, but i haven't gotten around to trying it.
     
  10. GaryNattrass

    GaryNattrass Member

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    That looks SO COOL I personally would keep it intact.

    I have an Akai 4000 machine that I use as an ornament with some old 50's tube radios from the USA.

    I also have a Revox PR99 and was going to use that to do the tape saturation thing but just havent got round to it yet.
     
  11. BTO

    BTO Member

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    I scored an old mono Wollensack tube reel to reel at a garage sale for $5 last summer. I found other uses for the Mullard preamp tubes that were in it ;), but I've been thinking of pulling the preamp or making the whole thing more guitar ampish.
     

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