Stevens & Billington Output Transformers - Pair - 1:1
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A pair of very sizable audio output transformers made by Stevens & Billington. They have a single primary winding & a center tapped secondary with Interwinding screen & a 1:1 ratio. They are mounted in heavy mu-metal cans (some of the biggest I’ve seen for a while!) with single nut fixing. Very expensive transformers which would be ideal for line level balanced outputs in pro audio equipment etc.
Measured at 20Hz & 1V each winding has an inductance (Ls) of just over 6Henries & a DCR of 17ohm (primary) & 14ohm (secondary). I have added a plot of one picked at random, driven from a 10 ohm source and with a 600 ohm load - as can be seen they have very decent performance.
They measure approximately 42mm in dia by 50mm high excluding mounting nut / lead out wires).
These have been used but are in good condition, tested & working. I have many pairs of these for sale. Any questions please ask.
Check out my other listing for more related items.
Delivery is via Royal Mail tracked service within the UK mainland only.
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | a year ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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