[Elecraft] K3 line in, line out transformers.

[Larry Lopez]

The K3 has isolation transformers for the line input (mono),
and line output L and line output R (stereo).

There are 3 sets of 2 transformers.

In each set, the circuit diagrams shows the transformers
in parallel with opposed phase.

Please see the K3 Circuit diagram KIO3 Main Sheet 2,
top left quadrant.

one of each pair is labeled TTC-108 600 ohm line transformer 1.5 KV
isolation,
the other of each pair is labeled LM-NP-1001 600 ohm line transformer, 6.5
KV isolation.

I'm going to take a stab at explaining this.
I bet only one transformer or the pair is actually used.




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