Hammond 290XEX 240V Blues Jr. Replacement Power Transformer
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Create Free Business AccountKey Features
- 240V @ 50/60 Hz primary for Fender BLUES JR.
- 260V @ 170 mA high voltage secondary
- 20V @ 100 mA secondary
- 6.3V @ 3A secondary
- Bobbin winding; designed for drop in replacement
- 2.55 lbs (1.16 kg); RoHS and REACH compliant
The 290XEX is the 240V @ 50/60 Hz version of the 290 Series power transformer listed as a replacement for the Fender BLUES JR. (reference only). It suits amp technicians and owners replacing the mains transformer in a Blues Jr. operating on 240V.
Its secondaries are 260V @ 170 mA (Secondary 1), 20V @ 100 mA (Secondary 3) and 6.3V @ 3A (Secondary 4). The manufacturer's short description reads 240,50Hz-330V/6.6V/20.5V 15W. The series ordering table lists a bobbin winding.
All 290 Series transformers were designed for drop in replacement of the original units, to look similar to the factory parts where possible, and with material and design specs kept as close as possible to the original to preserve the stock tone.
The 290XEX has a shipping weight of 2.55 lbs (1.16 kg). It is RoHS and REACH compliant, with UPC 623980037356 and UNSPSC 39121301. The 117V @ 60 Hz equivalent is the 290XX. Because the amp model is provided for reference only, compare the 260V, 20V and 6.3V winding ratings with your existing transformer before installation. The series ordering table lists no similar amp part number for this 240V version.
Ideal For
- 240V Fender BLUES JR. power transformer replacement
- Compact tube combo amp repair
- Export-voltage amp servicing
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers, Replacement & Upgrades) |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Short Description | 240,50Hz-330V/6.6V/20.5V 15W |
Electrical
| Secondary 1 | 260V @ 170 mA |
| Secondary 3 | 20V @ 100 mA |
| Secondary 4 | 6.3V @ 3A |
| Primary Volts | 240V @ 50/60 Hz |
Identifiers
| UPC | 623980037356 |
| UNSPSC | 39121301 |
Amplifier Reference
| Amp Manufacturer | Fender |
| Amp Model (Ref. Only) | BLUES JR.* |
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
Which amp is the 290XEX for?▾
It is listed as a replacement for the Fender BLUES JR., for reference only.
What primary voltage does it use?▾
240V @ 50/60 Hz.
What are the 290XEX secondaries?▾
260V @ 170 mA, 20V @ 100 mA and 6.3V @ 3A.
Is there a 117V version?▾
Yes, the 290XX has the same secondaries with a 117V @ 60 Hz primary.
What winding type is it?▾
Bobbin.
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