Question about Alesis RA-150 Amplifier
Hi there! I am an owner of the Beyerdynamic DT 100 headphones. These headphones feature 2*400 ohm resistance on each speaker (2 speakers of 400 ohm each on each ear). Since I can't get enough amplification on these headphones, does anyone know if there is a way to change the resistance through any external device? I know that the speaker resistance is a variable - according to the frequency - impendance but is there any possible solution to this problem I am facing? Even a fixed headphone amp suggested would be helpful...
Thanx beforehand ,
You have an excellent pair of cans there, considered by many as a good industry standard for closed ear monitors. High SPL ability and good sensitivity make me think the problem you have is related more to how you are driving them. "rewiring" them as such is not really a solution to the problem you have. What you need to be looking for is more voltage across them, not lower impedance. I personally built my own headphone amps for my studio, decided to do this because i could not get the levels needed to satisfy deaf drummers and Marshall stack guitarists :).
Depending on your budget, there are many types of headphone amps on the market to choose from. You could build this one yourself the "headbanger" high output headphone amp if it is high levels you are after, or go for a commercial one at great not great expense, however they may not provide the levels it sounds like you are looking for. Check here for some makes and models of different price ranges. You can source most of these products anywhere in the world, I have given you a site in Australia, but there are many wholesale type music gear suppliers about that can give you a good deal. If you need more information. happy to answer questions.
A FixYa rating is a great reward for this info to you. Cheers
Posted on Oct 17, 2008
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