High, Low Gain, ins and outs?

Discussion in 'Amps and Cabs [BG]' started by darkhit, Sep 22, 2003.

  1. I just bought a Peavey Amp and Razor Bass.
    The amp has High Gain In, Low Gain In, High Gain Out, and Low Gain Out.

    Can someone explain these to me, please.
    I ran a search but didn't find an explaination.
  2. pbd

    pbd Commercial User

    Jul 17, 2003
    Metro Detroit
    owner Procables N Sound
    could be direct output to the soundboard? How does your manual describe it?
  3. Hi pbd.
    No manual. I bought it used from a pawnshop.

    The two inputs are where the jack from the guitar plugs in.
    I've used both but can tell no difference in sound.
    Was just wondering which I should use and what they are for.

    The amp is an old Peavey TNT. If that helps.

    Thanks for your reply.
  4. tornadobass

    tornadobass Supporting Member

    Nov 20, 2000
    Iowa City, Iowa
    The two hi/lo outs are not gain, but frequency...it's a TNT-130, right?

    That amp has a built-in crossover.

    You could, for example, use the combo for the high frequencies, say 200 hz and up, and then run the low out to a separate power amp and subwoofer for the deep lows. Or vice versa with a 210 cab and a little power amp.
  5. Thanks Tornado.
    That clears that up.
    I appriciate you help.
  6. Munjibunga

    Munjibunga Retired Member

    May 6, 2000
    San Diego (when not at Groom Lake)
    Independent Contractor to Bass San Diego
    OK. There's two different things going on here. The inputs are "High Gain In" and "Low Gain In", and it's to make up for the difference between passive basses (which would use the high-gain input) and active, which would use the low gain. The high-gain input is 6 db hotter than the low-gain input. Use it for most basses. If your bass has an especially hot output, use the low-gain input.

    Then there's the "High Range Output" and the "Low Range Output," which are indeed the frequency ranges of the bi-amped configuration. The crossover frequency is selectable on the front of the amp.

    Here's a link to the manual.

    Peavey TNT Manual
  7. tornadobass

    tornadobass Supporting Member

    Nov 20, 2000
    Iowa City, Iowa
    I had one of those amps several years ago...I recall it had hi/lo inputs as well as biamping and even some sort of adjustable limiter.

    Quite a lot of features and volume in the old clunker. Certainly a good value for getting started beyond the practice amp at a similar price.
  8. Munjibunga, thanks for the manual link.
    Thanks for the help.

    Tornado, yeah, it's an old beater, scuffed and corners worn off. Looks great to me. First Bass rig I've ever owned.
    The volume is suburb. Ya know, I was gonna trickle all my questions here kind slow. Now I can read the book and still have time to :bassist: my new old bass amp.

    Thanks for the great help guys.
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