Lundahl LL1540 1:2 configuration

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Strawtles

Well-known member
Joined
Mar 20, 2009
Messages
191
Hello. I need a good 1:2 line input transformer, and I'd like to know if anyone has tried the Lundahl LL1540 in this configuration.
I have found the factory pdf of this transformer but it says nothing about the possibility of this connection
Thanks in advance
 
With the primaries parallel and secondaries connected like the datasheet suggests the frequency response will be pretty much flat at audio frequencies, at least when driven with low source impedance.  The distortion spec in the datasheet is for series connection, so if you're going to have +20 dBu signals on the primary in parallel connection the distortion will be higher.
 
I forgot to say I want to use it to convert a balanced signal ( primary) to unbalanced (secondary)

I don't know if this can affect the transformer operation
 
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