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BC-1                                 Design            Technology           Awards & Reviews           Specifications Trenner-Linie Menue-1100x1px-128x3-6opzt-VerlaufVzHgFundDK50-dklgrau595959+DK40pz

Phono - BC1 Balanced Transformer - 800pxb
Phono - BC1 Balanced Transformer - 2 Balanced Transformer 530x300


The Ypsilon BC1 transformer is used for converting an unbalanced signal to a balanced one. It can be used with any kind of unbalanced source like cd-players,phono preamps,line preamps etc. It can be used also for breaking ground loops in a system, lowering the total noise floor and improving the interface between equipment by providing galvanic isolation. It has two inputs, one RCA Nextgen connector and a female XLR Neutrik connector with pin1 and pin 3 grounded. The output connector is a XLR male Neutrik connector. Pin1 is the center tap of the secondary coil that is connected at Pin2 and 3 respectively. Pin2 or pin3 therefore should not be connected to ground.


The BC1 transformer uses a proprietary high performance Cobalt based amorphous core material of very high permeability that is very linear with frequency and flux level. This specific material is regarded to be one of the best magnetic materials available today. The BC1 transformer is optimized sonically to be as transparent as possible. In this way it can improve the performance of a system since it provides a better interface isolation between devices. The signal ground current doesn’t travel trough mains chords but only through the interconnect cables, maximizing in this way the overall performance of the system. The BC1 transformer is shielded with mu-metal and is potted in 10mm soft iron with a nickel coating. Outside magnetic field interference is kept to a minimum.

Phono - BC1 Balanced Transformer - 3 Ypsilon Logo

Awards & Reviews



            Gain:                                x1 (0 dB)
            Frequency Response:                                (100 ohm driven)
                                 -3db 4Hz-250khz
            Inductance:                                200H<
            Max. Level @ 20Hz:                                +16dbu
            Frequenzgang:                                11 Hz – 75 kHz -3dB
            Dimensions (H x D):                                 100 x 120 mm
            Weight:                                 4 kg