AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Koetsu MC Step Up Transformer is a dedicated moving-coil step-up transformer designed for use with Koetsu phono cartridges. It uses a shielded, vibration-isolated transformer with a permalloy core, providing 26 dB of gain and a frequency response of 20 Hz–50 kHz (±3 dB). Its specified input DC resistance is 4.5 ohms, with a 132-ohm output resistance.
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 MC16's mm gain is 24 dB against the MC Step Up Transformer MK2's 26 dB, its output impedance 200Ω against 132Ω, its weight 4 kg (9 lbs) against 0.907185 kg (2 lbs), and its width 120 mm against 140 mm.
The Erodion EVO's weight is 2.43 kg (5 lbs) against the MC Step Up Transformer MK2's 0.907185 kg (2 lbs), its height 65 mm against 71.9 mm, and its width 150 mm against 140 mm. Both share mm gain (26 dB).
The MC1 Moving Coil Transformer (SUT)'s mm gain is 28 dB against the MC Step Up Transformer MK2's 26 dB, its output impedance 70Ω against 132Ω, its weight 1.9 kg (4 lbs) against 0.907185 kg (2 lbs), and its height 76 mm against 71.9 mm.
The MC Step Up's output impedance is 200Ω against the MC Step Up Transformer MK2's 132Ω, its weight 4 kg (9 lbs) against 0.907185 kg (2 lbs), its height 100 mm against 71.9 mm, and its depth 120 mm against 154 mm.
Audio Note (UK) AN-S3
Air Tight ATH-3
The specs and the pairings above are open to everyone. Sign up and you get the system builder, the assistant, a compatibility check against the gear you already own, and a watch on this product so a price or pairing change reaches you.
Sign up free