
Hammond 291CEX 240V 650Vct 207mA Generic Amp Power Transformer
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Create Free Business AccountKey Features
- 240V @ 50/60 Hz primary
- 650Vct @ 207 mA high voltage secondary
- 50V bias winding
- 6.3Vct @ 4A and 5V @ 3A secondaries
- Bobbin winding; generic Fender-replacement design
- 6.8 lbs (3.08 kg); RoHS and REACH compliant
The 291CEX is a 290 Series tube guitar amplifier power transformer described as a replacement for Fender guitar amps, with the amp model listed as GENERIC. Its 240V @ 50/60 Hz primary makes it the 240V counterpart to the 291CX.
Secondaries are 650Vct @ 207 mA (Secondary 1), a 50V bias winding (Secondary 2), 6.3Vct @ 4A (Secondary 3) and 5V @ 3A (Secondary 4). The short description reads 325-0-325, 6.3VCT@4A, and the winding is listed as bobbin.
Dimensions given on the part drawing (unlabelled in the extracted text) are 3.125" ± 0.063, 4.063" ± 0.125, 3.750" ± 0.063, 1.975" ± 0.063, 2.500" ± 0.063 and 3.125" ± 0.063.
Like every 290 Series part, it was designed for drop in replacement of the original unit, physically designed to look similar to the original factory unit where possible, and built with materials and design specs kept as close as possible to the original part to preserve the stock tone.
Shipping weight is 6.8 lbs (3.08 kg). The 291CEX is RoHS and REACH compliant, UPC 623980252575, UNSPSC 39121301. Because the amp model is listed as GENERIC, match the listed ratings to your amplifier's requirements. The 120V @ 60 Hz version is the 291CX.
Ideal For
- 240V generic tube guitar amp power transformer replacement
- Tube amp repair on 240V mains
- Amp builds needing 650Vct at 207 mA
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers, Replacement & Upgrades) |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Short Description | 325-0-325, 6.3VCT@4A |
Dimensions
| Drawing Dimensions (Unlabelled, As Listed) | 3.125" ± 0.063; 4.063" ± 0.125; 3.750" ± 0.063; 1.975" ± 0.063; 2.500" ± 0.063; 3.125" ± 0.063 |
Electrical
| Secondary 1 | 650Vct @ 207 mA |
| Secondary 2 | 50V Bias |
| Secondary 3 | 6.3Vct @ 4A |
| Secondary 4 | 5V @ 3A |
| Primary Volts | 240V @ 50/60 Hz |
Identifiers
| UPC | 623980252575 |
| UNSPSC | 39121301 |
Amplifier Reference
| Amp Manufacturer | Fender |
| Amp Model (Ref. Only) | GENERIC |
Packaging & Shipping
| Shipping Weight | 6.8 lbs (3.08 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 291CEX for?▾
The amp model is listed as GENERIC; it is described as a replacement power transformer for Fender guitar amps.
What is the primary rating?▾
240V @ 50/60 Hz.
What are the secondaries?▾
650Vct @ 207 mA, 50V bias, 6.3Vct @ 4A and 5V @ 3A.
What dimensions does the drawing give?▾
3.125" ± 0.063, 4.063" ± 0.125, 3.750" ± 0.063, 1.975" ± 0.063, 2.500" ± 0.063 and 3.125" ± 0.063, unlabelled in the extracted text.
Is there a 120V version?▾
Yes, the 291CX.
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