Hammond 290XXB 117V Pro Junior Power Transformer, 6.3V Center Tap
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Create Free Business AccountKey Features
- Replacement power transformer for the Fender Pro Junior (15 Watts)
- Center tap on the 6.3V winding
- Domestic 117V, 60 Hz primary
- Cross-references Fender part number 41782
- Bobbin core construction
- RoHS and REACH compliant; 2.55 lbs (1.16 kg) shipping weight
The 290XXB is a replacement power transformer for the Fender* Pro Junior, a 15 Watt tube guitar amplifier. It is intended for technicians and owners who need to replace the original power transformer with a part matched to this model.
What sets the 290XXB apart from the other Pro Junior power transformer in the same series is that it has a center tap on the 6.3V winding. Both versions cross-reference to Fender* part number 41782 and share a domestic 117V, 60 Hz primary, so choose the 290XXB when your amp calls for a center-tapped 6.3V supply.
The transformer is built on a bobbin core. It was physically designed to look similar to the original factory unit where possible, and its materials and design specifications were kept as close as possible to the original part to preserve the stock tone. The manufacturer's drawing gives the full specifications and size.
The 290XXB ships at 2.55 lbs (1.16 kg) and is RoHS and REACH compliant. Hammond Mfg. is not affiliated with Fender Musical Instruments Corp.; amplifier model names are trademarks of their owners and are listed for reference purposes only.
Ideal For
- Replacing the power transformer in a Fender Pro Junior
- Pro Junior repairs needing a center-tapped 6.3V heater winding
- Replacing Fender part 41782
Overview
| Product Type | Power Transformer |
| Short Description | POWER TRANS |
| Amplifier Application | Fender* Pro Junior* (15 Watts) |
| Original Fender* Part No. | 41782 |
Electrical
| Frequency | 60 Hz |
| Primary Voltage | 117V (Domestic) |
Identifiers
| UPC | 623980474533 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 2.55 lbs (1.16 kg) |
Construction & Finish
| Core | Bobbin |
| Design | Designed to look similar to the original factory unit (where possible) |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
Which amplifier is the 290XXB for?▾
The Fender* Pro Junior, listed in the series as a 15 Watt amplifier.
How is the 290XXB different from the 290XXA?▾
Both are 117V, 60 Hz Pro Junior power transformers referencing Fender* 41782; the 290XXB has a center tap on the 6.3V winding.
What Fender part number does it replace?▾
Fender* part number 41782.
What is the shipping weight?▾
2.55 lbs (1.16 kg).
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