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The Rothwell Audio MC1 is a passive moving-coil step-up transformer (SUT) that raises the signal from a compatible low-output MC cartridge to a level suitable for a moving-magnet (MM) phono input. Its 1:12.9 turns ratio provides approximately 22 dB of voltage gain. Rothwell describes it as designed for low-output cartridges and optimized for use with MM phono stages, with loading networks intended to provide a 100-ohm load to the cartridge and to control bandwidth and ringing. It is shielded against external magnetic interference to help reduce hum pickup. Cartridge matching matters: check the cartridge’s output and internal impedance against the stated compatibility range. Available product listings indicate it is still offered;
Analog signal output specifications
Phono stage specifications
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Rothwell MCX Moving Coil Step-Up Transformer's mc gain is 20 dB against the Rothwell MC1 Moving Coil Step-Up Transformer's 22 dB. Both share output impedance (100Ω), cartridge type (MC), and weight (0.58 kg (1 lbs)).
The MC1 Moving Coil Transformer (SUT)'s output impedance is 70Ω against the Rothwell MC1 Moving Coil Step-Up Transformer's 100Ω, its weight 1.9 kg (4 lbs) against 0.58 kg (1 lbs), and its height 76 mm against 155 mm. Both share mc gain (22 dB).
The 411 Type II's mc gain is 32 dB against the Rothwell MC1 Moving Coil Step-Up Transformer's 22 dB, its output impedance 47Ω against 100Ω, its weight 1 kg (2 lbs) against 0.58 kg (1 lbs), and its depth 106 mm against 92 mm.
The MC Step Up's mc gain is 24 dB against the Rothwell MC1 Moving Coil Step-Up Transformer's 22 dB, its output impedance 200Ω against 100Ω, and its weight 4 kg (9 lbs) against 0.58 kg (1 lbs). Both share cartridge type (MC).
Rothwell MCL Moving Coil Step-Up Transformer
Tron Step-Up Transformer
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