Fezz Audio Argentum X20 Step-Up Transformer

🧾 Overview

The Fezz Audio Argentum X20 is a no-compromise high-end MC step-up transformer, handcrafted for the most demanding low-impedance moving-coil cartridges. Using 99.9% pure silver wire wound on a nanocrystalline high-permeability core, and employing dual shielding with mu-metal and pure OFC copper ribbon, it guarantees ultra-low noise, a bandwidth from 10 Hz to 100 kHz, and THD below 0.01%. With a 1:20 step-up ratio, the Argentum X20 unlocks the full potential of top-tier cartridges such as Ortofon, Lyra, Dynavector, Hana, and Goldring.

✅ Key Features

✅ 99.9% pure silver windings on nanocrystalline anisotropic high-μ core
✅ Double shielding: mu-metal (magnetic) + OFC copper ribbon (electric)
✅ 1:20 step-up ratio (26 dB) — ideal for very low-output MC cartridges
✅ Recommended load: 47 kΩ (MM phono input)
✅ Optimized for cartridges with 1.5–9 Ω internal impedance
✅ Bandwidth: 10 Hz – 100 kHz (Z = 10 Ω)
✅ THD < 0.01% at rated level — transparent and natural
✅ Solid chassis: 2.5 kg, compact form factor (120 × 95 × 212 mm)

📦 What’s in the Box

📦 Fezz Audio Argentum X20 Step-Up Transformer
📖 User manual / safety notes

As listed in product documentation and dealer resources.

🔄 Compatibility

✔ Works with MC cartridges of 1.5–9 Ω impedance
✔ Ideal for: Ortofon Quintet & Cadenza series, Ortofon Verismo, Windfeld Ti, Lyra Kleos/Etna/Atlas SL, Dynavector XX2 / XV-1s, Hana ML/Umami Red/Umami Blue, Goldring Ethos/Elite/Eroica LX, and many others
✔ Connects to any 47 kΩ MM phono input

📦✈️ Shipping & Returns

📦 Insured worldwide delivery
🔄 14-day return policy
🛡️ 2-year EU warranty

📝 Reviews

• AudioMuzoFans (PL): Praised for natural, spacious sound with incredible resolution and tonal balance. Read the test
• HiFi.nl: Covered launch of Argentum X20, highlighting passive design and silver-core construction. Read article
• AV2D (BE/NL): Reported on debut — compact form, low noise floor, extreme bandwidth. Read article