Hammond 290XX 117V Blues Jr. Replacement Power Transformer
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Create Free Business AccountKey Features
- Replacement for Fender BLUES JR. (ref. P/N 49967)
- 117V @ 60 Hz primary
- 260V @ 170 mA high voltage secondary
- 20V @ 100 mA and 6.3V @ 3A secondaries
- Bobbin winding; designed for drop in replacement
- 2.55 lbs (1.16 kg); RoHS and REACH compliant
The 290XX is a 290 Series tube guitar amplifier power transformer listed as a replacement for the Fender BLUES JR., similar amp P/N 49967 (reference only). With a 117V @ 60 Hz primary it is intended for technicians and players replacing the mains transformer in a 117V Blues Jr.
The secondaries are rated 260V @ 170 mA (Secondary 1), 20V @ 100 mA (Secondary 3) and 6.3V @ 3A (Secondary 4). The manufacturer's short description reads 330VDC 68mA/6.6V/20.5V 15W. The series ordering table lists a bobbin winding.
Every 290 Series part was designed for drop in replacement of the original unit. Parts were physically designed to look similar to the original factory units where possible, and material and design specs were kept as close as possible to the original part to preserve the stock tone.
Shipping weight is 2.55 lbs (1.16 kg). The 290XX is RoHS and REACH compliant and carries UPC 623980252681 and UNSPSC 39121301. For 240V @ 50/60 Hz amplifiers the equivalent is the 290XEX, and the 290XXA is listed for the Pro Jr. The amp model and similar part number are provided for reference only; compare the listed ratings with the transformer you are replacing.
Ideal For
- Fender BLUES JR. power transformer replacement
- 117V compact tube combo repair
- Stock-tone amp restoration
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers, Replacement & Upgrades) |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Short Description | 330VDC 68mA/6.6V/20.5V 15W |
Electrical
| Secondary 1 | 260V @ 170 mA |
| Secondary 3 | 20V @ 100 mA |
| Secondary 4 | 6.3V @ 3A |
| Primary Volts | 117V @ 60 Hz |
Identifiers
| UPC | 623980252681 |
| UNSPSC | 39121301 |
Amplifier Reference
| Amp Manufacturer | Fender |
| Amp Model (Ref. Only) | BLUES JR.* |
| Similar Amp P/N's (Ref. Only) | 49967 |
Packaging & Shipping
| Shipping Weight | 2.55 lbs (1.16 kg) |
Construction & Finish
| Winding | Bobbin |
| Appearance | Designed to look similar to original factory units (where possible) |
| Design Intent | Designed for drop in replacement of original units |
| Materials & Design Specs | Kept as close as possible to the original part to preserve the stock "tone" |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What amp is the 290XX listed for?▾
The Fender BLUES JR., similar amp P/N 49967, for reference only.
What is the 290XX primary voltage?▾
117V @ 60 Hz.
What are the secondary ratings?▾
260V @ 170 mA, 20V @ 100 mA and 6.3V @ 3A.
How does the 290XX differ from the 290XXA?▾
The 290XXA, listed for the Pro Jr., has the 260V @ 170 mA and 6.3V @ 3A secondaries but no 20V @ 100 mA winding.
What does the 290XX weigh?▾
2.55 lbs (1.16 kg).
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