MC Step Up Transformer

Based on Lundahl LL9226 in multiple configurations with easy to remove loading.

Quality gold jacks.

Assembled on Silver plated 2oz copper CEM1 board.

High immunity to surrounding magnetic fields.

4.33 X 3.94 X 1.57” Frosted Black aluminum enclosure.

100% Brand New construction.

Available as a fixed 1:5, 1:10, 1:20 or a switchable 1:10/20

Turns ratio                                   Suggested use for best frequency response.

1:5

MC cartridge output impedance < 100 Ω

1:10

MC cartridge output impedance < 50Ω

1:20

MC cartridge output impedance < 25 Ω

1:10/20

MC cartridge output impedance < 25 Ω




Loading recommendations for 1:5 operations and a 47k phono preamp:

Desired Load (ohms)                   Parallel Resistor (ohms)                   

1600                                                 330k

800                                                   36k

400                                                   14k

200                                                   6.5k

100                                                   3.3k

50                                                     2.2k


Loading recommendations for 1:10 operations and a 47k phono preamp:

Desired Load (ohms)                   Parallel Resistor (ohms)     

400                                                  330k

300                                                  100k

200                                                  36k

100                                                  14k

60                                                    8k

40                                                    5.6k


Loading recommendations for 1:20 operations and a 47k phono preamp:

Desired Load (ohms)                   Parallel Resistor (ohms)     

100                                                  330k

80                                                    110k

60                                                    51k

40                                                    25k

20                                                    10k

%d bloggers like this: