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Pickups and preamp consumption on RBX 375 vs SR505 vs SR305

Discussion in 'Pickups & Electronics [BG]' started by matjaz123, Feb 25, 2013.

  1. matjaz123


    Dec 20, 2009
    South Europe
    Endless talking about the 9V capacity and how long the battery holds.
    I take my multimeter and put 9V battery just on one contact while the other one was connected to mA meter.

    I really like my Yamaha RBX375 but I wasnt happy with the result.
    The power drain was 3.81 mA, while on the Ibanez SR505 was just 0.77 mA !!! On the Ibanez SR305 consumption was 0.80 mA.
    Both the Ibanezes were measured in the shop.

    Its not about that I dont have money for the batteries but its more about old and new electronics in "new" guitars.
  2. Troph


    Apr 14, 2011
    Kirkland, WA
    Yup. My RBX375 seems to chew through batteries also. Some folks claim theirs doesn't, but it certainly hasn't been my experience.

    Frankly, I don't think a preamp replacement is really worth it... so I'll just keep shoveling batteries in, or open up the battery compartment after I'm done with each session and disconnect it.
  3. Stealth


    Feb 5, 2008
    Zagreb, Croatia
    My RBX375 doesn't chew batteries, I could as easily go for 9 months on a single one. The preamp isn't exactly ideal - I'd say the bass and treble are too extreme. I'm planning to swap mine with a MusicMan one.
  4. CaneyBoniface


    Feb 17, 2015
    use a rechargeable battery.
  5. That isn't a good idea, for a number of reason. Rechargeable batteries usually run at a rather low voltage, and drain faster just sitting there, than regular batteries do under load from a preamp.
  6. CaneyBoniface


    Feb 17, 2015
    actually, i just use once a gig, then recharge it before next gig. worth for money.:)

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