Stereo to Mono with LL1660 outputs

K&K Audio / Lundahl Transformers

Welcome! Need support, you got it. Or share youe ideas and experiences.

I have an RIAA preamp Stereo with LL1660 at the output. Both (left and right channel)secondary windings are floating.

My question is how can I make a mono signal from this:

Option A: Connect both grounds of the LL1660 output, put a 5K resistor in both signal lines and combine these resistors to a mono signal.

OR

Option B: I keep the secondary's of both LL1660 floating and connect them in series.

What would be the best option?

I am just starting with transformers, really like the sound and the less complexity with ground issues, and less capacitors in the signal path.

Thanks

Robbert

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Topic - Stereo to Mono with LL1660 outputs - RobberttheDutch 15:56:11 02/19/22 (2)

RE: Stereo to Mono with LL1660 outputs - WntrMute2 08:34:32 04/02/22 (1)

RE: Stereo to Mono with LL1660 outputs - RobberttheDutch 13:19:43 04/02/22 (0)

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