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Designed for professional guitar amplifiers, our transformers deliver clean, powerful tone while meeting US‑market compliance. Perfect for purchasing managers, technical directors, and operations teams seeking ROI‑driven audio components.
Get Free Quote in 24 hResult: 42 % of US amp manufacturers report >15 % cost overruns due to transformer issues (2025 industry survey).
See how we solve these problems →| Model | Power Rating (W) | Primary Impedance (Ω) | Secondary Impedance (Ω) | Frequency Range (Hz) | Core Material | Dimensions (mm) | Compliance |
|---|---|---|---|---|---|---|---|
| GT‑250 | 250 | 4 kΩ | 8 Ω | 20‑20 k | Silicon Steel | 120×80×30 | CE, FCC, RoHS |
| GT‑500 | 500 | 8 kΩ | 4 Ω | 15‑30 k | Amorphous Steel | 150×100×35 | CE, FCC, RoHS, VDE |
| GT‑Custom | — | — | — | — | — | — | All certifications |
Scenario 1 – Boutique Tube Amplifier (USA): A 5‑year‑old boutique brand reduced tone‑distortion complaints by 38 % after switching to our GT‑250 OEM units.
Scenario 2 – Mass‑Market Solid‑State Amp (Canada): Production lead time cut from 45 days to 7 days, enabling a 22 % increase in quarterly output.
Scenario 3 – Custom Pedal‑Powered Mini Amp (UK): Our GT‑Custom design delivered a 1.2 kΩ primary to 8 Ω secondary ratio, achieving a 12 dB gain without added noise.
Request Your Custom Design Today →
“Switching to Xinchangda’s GT‑500 reduced our warranty returns by 27 % and saved $45 k per year.” – James L., Procurement Manager, SoundWave Instruments
Compliance & Quality Certificates: CE, FCC, RoHS, VDE, ISO 9001, CB, GS, SAA – all audited annually by third‑party labs.
Our standard minimum order quantity is 500 pcs. For OEM/ODM projects we can start from 200 pcs with a small setup fee.
Yes. Our R&D team can design any primary/secondary impedance combination, supported by simulation and prototype testing.
30 % T/T deposit, 70 % balance before shipment. For verified accounts we accept L/C or PayPal Business.
Express air freight: 3‑5 business days. DDP (Delivered Duty Paid) options are available for an additional $2.5 per unit.
Our technical service team provides 24 / 7 email support and a dedicated hotline for the first 12 months after delivery.
Order a 100‑piece sample kit within the next 7 days and receive a risk‑free evaluation plus a 10 % price reduction on your initial bulk purchase.
Claim Your Free Sample NowMoney‑back guarantee if the sample does not meet your specs.
Linda M., Operations Manager, EchoTone USA – “Delivery was 4 days ahead of schedule, and the tonal clarity exceeded our expectations. We’ll place a repeat order next quarter.”
Rafael G., Technical Director, Sonido Latino – “Custom winding ratio solved our impedance mismatch in just two weeks. Cost saved: $12 k.”
Emily S., Procurement Lead, GearCraft Canada – “The CE and FCC certifications made customs clearance a breeze. Zero delays.”
Dr. Wei Liu – Senior Magnetic‑Component Engineer with 15 years of experience in audio transformer design, former Lead R&D at a Fortune‑500 audio equipment manufacturer, and published author of “Modern Transformer Design for Musical Instruments”.
Contact: grace01@xinchangdadz.com | Phone: +86 131 2825 6415
