daz Posted April 1, 2012 Share Posted April 1, 2012 I have bought myself a nice little B DI 21 (Sansamp clone) All's well so far and I am quite pleased with what I'm getting from it in terms of sound. Especially with my Hartke LH500 , going though my 450 Watt Behringer cab. Only niggle, which often goes with pedals is that if I use a battery I often forget to unplug the Input and the battery drains away overnight. (I was going to buy the Behringer 9v power supply from Amazon, but it disappeared overnight and was replaced by a seller supplying one for 7.50 plus postage, so I decided to wait and see if I could get a cheaper one. Wish I'd bought it now, as so far I have used two 9v Duracell's at 3.50 a time, and left the input jack in and drained them. I have tested the Duracell's with a voltage meter and it appears that they now output approx. 6v, which is not enough to power the BDI21. However I was wondering if I wire up the two batteries together, will the 12v be too much for the pedal ? Any wire heads/electricians out there know if it would be ok or too much ? Quote Link to comment Share on other sites More sharing options...
ahpook Posted April 1, 2012 Share Posted April 1, 2012 i accidentally put a 12v psu into mine and it released the magic smoke... Quote Link to comment Share on other sites More sharing options...
icastle Posted April 1, 2012 Share Posted April 1, 2012 Nope. AC powered equipment has a rectifier to remove any voltage peaks, but a DC powered pedal that 's expecting to get 9V from either it's internal battery or from an external PSU isn't going to need anything like that. Shoving 12V into it is going to cause it a lot of pain. My feeling would be, just bite the bullet and buy a PSU - you'll never have to spend that £3.50 again and three battery changes would pay for the PSU. Quote Link to comment Share on other sites More sharing options...
daz Posted April 1, 2012 Author Share Posted April 1, 2012 Thanks for the help chaps. Guess what, I go to Amazon to buy one and they are back on sale there for £2.21 ! Result Quote Link to comment Share on other sites More sharing options...
paul_5 Posted April 2, 2012 Share Posted April 2, 2012 Score! Quote Link to comment Share on other sites More sharing options...
PaulWarning Posted April 3, 2012 Share Posted April 3, 2012 make sure you get the polarity right, I had one of those and fried it by getting it wrong, no protection against it as with some pedals Quote Link to comment Share on other sites More sharing options...
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