For audiophiles and power-system engineers alike, the transformer is where the musical and electrical journey begins. A well-built toroid does more than convert voltage — it preserves dynamics, rejects noise and stays silent under load. Shenzhen Zhixiangyuan Electronics Co., LTD (ZXY) — a national high-tech enterprise with 26 years of magnetics engineering, an annual output of 220 million components and partners in 79+ countries — offers a complete toroidal power transformer line engineered for high efficiency, minimal stray fields and whisper-quiet operation, from 25 W preamp supplies to 300 W amplifier monsters.

Why Toroidal? The Geometry of Silence

Unlike conventional E-I stacks, toroidal transformers wind around a continuous-grain rolled core, eliminating air gaps and sharp magnetic corners. The result, as ZXY's engineering team describes it, is "excellent load regulation, superior energy efficiency and ultralow electromagnetic radiation" — less stray flux to couple into sensitive audio circuitry, lower mechanical hum, and better dynamic headroom for amplifiers. That is why Hi-Fi power amplifiers, studio monitors, tube equipment and audiophile power supplies run on toroids.

Fig. 1 — 50 W, 220 V to 23/19 V, Hi-Fi multi-output.

A Range for Every Stage

From a 25 W preamp supply to a 300 W power stage, the line covers every link of the audio chain — studio monitors, tube equipment, audiophile power supplies and high-end processors — with multi-tap secondaries (6.3 V to 55 V) matching worldwide mains from 110 V to 240 V.

Fig. 2 — 300 W circular isolation coil, 220 V to 18 V.	Fig. 3 — 60 W custom, 230 V to 18 V.
Fig. 4 — 60 W/60 W, 115–240 V to 6.3–24 V.	Fig. 5 — 100 W/100 VA, 115–240 V to 6.3–24 V.
Fig. 6 — 50 W, 0–220 V to 23/19 V dual winding.	Fig. 7 — 25 W, 0–220 V to 6 V-0-6 V.
Fig. 8 — Fully customized audio toroidal.	Fig. 9 — 30 W, 45 V-0-45 V and 15 V-0-15 V.
Fig. 10 — 25–50 W, 220/230/240 V to 6.3–55 V.	Fig. 11 — Potted series, 50–100 W, 110–230 V.
Fig. 13 — Multi-tap toroidal (220 V input, dual outputs).	Fig. 14 — R-Core R-40/R-60, 50–60 W, 110–230 V.

Representative series (official listings)

R-Core: A Circle of Innovation

For engineers seeking even lower leakage and noise, ZXY also offers R-Core transformers (R-40, R-60, 50–60 W). The core's circular cross-section concentrates flux entirely within the winding circle — further shrinking stray radiation and mechanical hum while delivering clean, symmetrical output.

Customization Without Limits

Every parameter is customizable — power ratings from 25 W upward, multiple primary/secondary windings, mounting options, potting protection, lead colors and packaging. ZXY provides 2D/3D drawings and datasheets before production, with samples in 5–10 working days and low MOQ support for new projects. Whether you need a drop-in catalog unit or a fully bespoke design for a flagship product, the engineering team collaborates from schematic review to sample validation, ensuring regulation, temperature rise and acoustic noise meet your spec before volume production begins.

Verified Quality, Global Service