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User Name Thread Name Subject Posted
John J Tech: Behringer DI20 Hiss problem (23) Tech: Behringer DI20 Hiss problem 22 Feb 13


Hi folks,
A local folk band (Nelson-Peach) are using Behringer Ultra-DI20 D.I. boxes...but they generate a lot of hiss, using either internal battery or phantom power.

I've delved inside and discovered that the active devices are TL064 quad op-amps, unfortunately they're surface mount so replacement is going to be difficult, but not impossible, with the gear I've got. I wonder if replacing them with TL074 or TL084 might improve matters.

Does anyone have any experience of these DI boxes? A search on t'interweb shows that they're know for hissing so it looks like a design problem.

Ta,

John


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