Restore the Original Marshall Sound

Experience the unmistakable tone that defined the early era of rock with this Genuine Marshall Output Transformer (Part# TXOP-00003) — the legendary Dagnall D2505 model. Designed for the Marshall 1962 Bluesbreaker and JTM45, this factory-spec transformer delivers the smooth compression, rich midrange, and harmonic complexity that made these amps icons. Built to original Dagnall engineering standards, it ensures your amp performs with the authentic warmth and clarity of vintage Marshall design.

Key Features

• Genuine Marshall Part – Factory-engineered output transformer for the 1962 Bluesbreaker and JTM45 amplifiers.

• Dagnall D2505 – Classic transformer design used in Marshall’s early handwired 30–45W circuits.

• Part Number: TXOP-00003.

• Authentic Marshall Tone – Delivers the chime, punch, and smooth breakup that define Bluesbreaker and JTM45 amps.

• Factory-Spec Engineering – Built to Marshall’s original specifications for vintage tone accuracy.

• Durable Construction – Wound for long-term stability and consistent output across all playing volumes.

Compatibility

✔ Marshall 1962 Bluesbreaker Combo
✔ Marshall JTM45 Head
✔ Other early 30–45W Marshall reissue amps using the D2505 transformer
✔ Direct OEM replacement for TXOP-00003 models

Specifications

• Marshall Part Number: TXOP-00003

• Transformer Model: Dagnall D2505

• Power Rating: 30–45 Watts

• Type: Output Transformer

• Application: Output stage transformer for Marshall JTM45 / 1962 Bluesbreaker

Important Notes

⚠ Professional Installation Required – Must be installed by a qualified amp technician.
⚠ Non-Refundable – Electrical component; all sales are final.
⚠ Pre-Order Information – If listed as pre-order, email sales@britishaudio.com for availability and lead times.

Need Installation Assistance?

If you’d like British Audio to professionally install this transformer, please reach out to our service team at repair@britishaudio.com or complete our Repair Request Form.

Why Choose British Audio?

At British Audio, we’re Nashville’s trusted source for Marshall parts and service. As an Authorized Marshall Service Provider, we stock genuine Dagnall-built components to keep your amplifier performing with the legendary tone and feel that made Marshall famous.

Bring your 1962 Bluesbreaker or JTM45 back to life — order your Genuine Marshall Dagnall D2505 Output Transformer (Part# TXOP-00003) today!