MC Step Up Transformers

Welcome to the Music First Audio Moving Coil Step up Transformer page.


3 MC step up units are available in the range

MC Step up transformer MC Step-Up 632. Launched April 2015

Baby Classic MC step up transformer. 2007 – present

Classic V2 MC step up transformer. 2014 – present

Launched April 2015. The MC Step Up 632.

Step_up_632          MFAUDIO

Priced at £550GBP plus VAT if applicable. Available in 3 colors.

Priced at $715 USD plus local tax.

The MC Step-Up transformer 632 is wound to a step up ratio of the customer’s choice. The usual 1:10 step up ratio is normally available off the shelf. Internal loading resistors can be fitted to customer’s specification. All the Music First Audio step up transformers are designed to give many decibels of external passive gain to enable a MC cartridge to feed a MM Phono Amplifier.

Available in RED, Black and Silver casework.

158 mm deep. Inc RCA’s
108 mm wide
44 mm high

Baby Classic MC Step-Up

Baby Classic SUT Front panel showing 6 position loading switch.



Baby Classic SUT rear panel. Choose RCA or XLR inputs and outputs.


Priced at £1400.00 GBP plus VAT if applicable.

Priced at $1820 USD plus local taxes.

Choose your step up ratio. Standard off the shelf units are 1:10 step up.

The Music First Audio Baby Classic Moving Coil Step-Up Transformer ( SUT ) uses the legendary Stevens & Billington Limited TX103 MC Step-Up transformer.

Selectable cartridge loading. Via 6 position switch on the front panel.

3 way grounding switch allows any grounding issues to be addressed easily.

Transformer isolates components, breaking ground loop problems and reducing noise.

Transformer offers gain without adding noise or colouration

Also available in black casework.



Classic V2 MC Step-Up unit


Moving Coil Step Up V2 front panel. Showing load and gain switches



Moving Coil Step up V2 rear panel






Priced at £2500GBP plus VAT if applicable

Priced at $3250 USD plus local taxes.

The MC Step-Up V2 is the ultimate moving coil step up transformer. A 25% bigger core than the Baby Classic step-up model.

New step up transformer RX103

New transformer casing.

Improved transformer mounting.

3 ratio step up switch

6 position loading switch.

Also available in black.