
Hammond 290ACX Super Champ X2 Replacement Power Transformer
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Create Free Business AccountKey Features
- Replacement for Fender SUPER CHAMP X2, similar P/N 91234000 (reference only)
- 120V @ 60 Hz primary
- Secondary 1: 300V @ 100 mA
- Secondary 2: 34Vct @ 100 mA
- Secondary 3: 9V @ 1.5A; Secondary 4: 6.6V @ 1.5A
- Bobbin winding, designed for drop in replacement
- RoHS and REACH compliant; 2.95 lbs
The 290ACX is a 290 Series replacement power transformer for a Fender guitar amplifier, cross-referenced to the SUPER CHAMP X2 and similar amp part number 91234000 (for reference only). It is intended for technicians replacing a failed or damaged transformer in that amp.
The 290ACX operates from a 120V @ 60 Hz primary. Its secondaries are 300V @ 100 mA (Secondary 1), 34Vct @ 100 mA (Secondary 2), 9V @ 1.5A (Secondary 3) and 6.6V @ 1.5A (Secondary 4). The windings are bobbin wound.
The 290 Series was designed for drop in replacement of original units. Physically, the parts were designed to look similar to original factory units where possible, and the material used and design specifications were kept as close as possible to the original part to preserve the stock "tone". For a Super Champ X2 owner, that means a replacement intended to match the original's fit and character.
Shipping weight is 2.95 lbs (1.34 kg). The part is RoHS compliant and REACH compliant, and its identifiers are UPC 623980284132 and UNSPSC 39121301. Note that this version is listed with a 120V, 60 Hz primary only.
Ideal For
- Fender Super Champ X2 transformer replacement
- Amp repair shops
- Drop in replacement preserving stock tone
Overview
| Series | 290 Series |
| Description | Power transformer, replacement for Fender guitar amp, 290 series |
| Part Number | 290ACX |
| Series Name | Tube Guitar Amplifier - Power Transformers |
| Series Tagline | Replacement & Upgrades |
| Short Description | POWER TRANS |
Electrical
| Secondary 1 | 300V @ 100 mA |
| Secondary 2 | 34Vct @ 100 mA |
| Secondary 3 | 9V @ 1.5A |
| Secondary 4 | 6.6V @ 1.5A |
| Primary Volts | 120V @ 60 Hz |
Identifiers
| UPC | 623980284132 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 2.95 lbs (1.34 kg) |
Construction & Finish
| Winding | Bobbin |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Amplifier Reference (Ref. Only)
| Amp Model | SUPER CHAMP X2* |
| Amp Manufacturer | Fender |
| Similar Amp P/N's | 91234000 |
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Frequently Asked Questions
What amp is the 290ACX for?▾
It is referenced to the Fender SUPER CHAMP X2, similar amp P/N 91234000 (reference only).
What primary voltage does the 290ACX need?▾
120V @ 60 Hz.
What are its secondary windings?▾
300V @ 100 mA, 34Vct @ 100 mA, 9V @ 1.5A and 6.6V @ 1.5A.
Is it bobbin wound?▾
Yes, the series table lists Bobbin winding.
Is the 290ACX a direct replacement?▾
The 290 Series is designed for drop in replacement of original units.

