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  1. #1
    Banned JCF Member
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    Default Emg 81/85 PICKUP Battery Life

    do emg 81/85 pups have a long battery life? also does anyone know of an online store that sells 9 volt batteries in bulk quantities for a good price.

    thanks,
    Last edited by jaydog; 10-05-2007 at 02:19 PM.

  2. #2
    JCF (I have no life)Member fett's Avatar
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    As long as you unplug the guitar, the battery will last quite awhile. Now, take this to the "Tech Section".
    I am a true ass set to this board.

  3. #3
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    I've read plenty of people advocating changing the batteries every month or so to keep the tone optimal, but I can't think I change them more often than every 3-5months. As Fett says, don't leave the guitar plugged in, it has a stereo jack which completes the battery circuit.

    If you want clearer tone add a 2nd battery in series, if you want longer life then add another in parallel

  4. #4

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    Mine are in 18v and with the amount I play I find two months to be a healthy changing point. Though sound quality noticeably starts to deteriorate after about a month and a half.
    You took too much, man. Too much. Too much.

  5. #5
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    Yeah, should probably mention that I'm playing ever less on my guitar with 81/85's, so it obviously comes down to how much you play each day.

  6. #6

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    I agree with GodOfRythm,
    If you play alot you will need to change them more often.
    I find 1 to 2 months are best and dont leave the guitar plugged in.
    I run an 89/81 combo with 1 9v.

  7. #7

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    And instead of buying 9v batteries in bulk, ever considered going the 'rechargeable' way? better for the environment, better for your wallet.
    Sam

  8. #8

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    i dont play a whole lot..but ive had EMG's for like a year and a half and never changed the battery...probably wouldnt hurt if i did though

  9. #9
    JCF ADMIN toejam's Avatar
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    I'd say a year to a year and a half is about normal for my guitars with EMGs.
    I feel my soul go cold... only the dead are smiling.

  10. #10
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    Quote Originally Posted by KMud View Post
    I've read plenty of people advocating changing the batteries every month or so to keep the tone optimal, but I can't think I change them more often than every 3-5months. As Fett says, don't leave the guitar plugged in, it has a stereo jack which completes the battery circuit.

    If you want clearer tone add a 2nd battery in series, if you want longer life then add another in parallel
    are you saying you can rig the emg's so they can use 2 batteries?

  11. #11
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    Quote Originally Posted by jaydog View Post
    are you saying you can rig the emg's so they can use 2 batteries?
    Yup, so is Jackson/Charvelfan!

    Check the Tech Q&A forum for lots on pickups. You might want to consider Seymour Duncan Blackouts, people seem to be defecting from EMG for them.

    emperor_black, don't rechargeables put out a slightly lower voltage than Alkalines? Possible tone eater

  12. #12

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    Quote Originally Posted by KMud View Post

    emperor_black, don't rechargeables put out a slightly lower voltage than Alkalines? Possible tone eater
    Not voltage. maybe slightly less current. So, they will last slightly lesser than an Alkaline IMO. but so what? you can still recharge them.

    But like Joe (Toejam) said, if they are gonna last a year, then there's no point in spending for the rechargeables. On the net, I found them selling for $10 each. In target you can get a pair of 9 volts for $1.
    Sam

  13. #13
    JCF ADMIN toejam's Avatar
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    Quote Originally Posted by jaydog View Post
    are you saying you can rig the emg's so they can use 2 batteries?
    They can actually use up to three 9v batteries.
    I feel my soul go cold... only the dead are smiling.

  14. #14
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    Quote Originally Posted by emperor_black View Post
    Not voltage. maybe slightly less current. So, they will last slightly lesser than an Alkaline IMO. but so what? you can still recharge them.

    But like Joe (Toejam) said, if they are gonna last a year, then there's no point in spending for the rechargeables. On the net, I found them selling for $10 each. In target you can get a pair of 9 volts for $1.
    Rechargeable AA's put out 1.2V whilst alkalines put out 1.5V...but then again, they're called AA's and don't have the voltage in the name...checking my rechargeable 9V batteries, they put out 8.75V...probably close enough.

  15. #15

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    Quote Originally Posted by KMud View Post
    Rechargeable AA's put out 1.2V whilst alkalines put out 1.5V...but then again, they're called AA's and don't have the voltage in the name...checking my rechargeable 9V batteries, they put out 8.75V...probably close enough.
    That is correct. I'm looking at my rechargeable AA and it does say 1.2v instead of 1.5.
    Sam

  16. #16
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    thanks for the info guys.

  17. #17
    Platinum Member Cleveland Metal's Avatar
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    I can tell a diff between rechargable and alks in my setups, plus rechargables (unless they're lithium ion) slowly go dead just sitting there..

    FWIW, some of my guitars sound better at 18 volts, and some are too harsh sounding at 18 and I went back to 9.

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