Hammond 291AX Generic 120V 650Vct Guitar Amp Power Transformer
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Create Free Business AccountKey Features
- 120V @ 60 Hz primary
- 650Vct @ 81 mA (325-0-325) high voltage secondary
- 6.3V @ 2A secondary (6.3Vct in the series table)
- 5V secondary: 2A on part page, 3A in series table
- Generic Fender-replacement design, not tied to one amp model
- Bobbin winding; 2.95 lbs (1.34 kg); RoHS and REACH compliant
The 291AX is a 290 Series power transformer described as a replacement for Fender guitar amps, with the amp model listed as GENERIC rather than a specific model. It suits technicians who need a 120V @ 60 Hz power transformer matching these ratings rather than a model-specific part.
The high voltage secondary is 650Vct @ 81 mA. The part page lists Secondary 3 as 6.3V @ 2A and Secondary 4 as 5V @ 2A, while the series ordering table shows 6.3Vct @ 2A and 5V @ 3A; the short description reads 325-0-325,5V@2A, 6.3VCT@2A. Both figures are shown in the specifications so you can confirm the rating you need. The winding type is bobbin.
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.
The 291AX ships at 2.95 lbs (1.34 kg). It is RoHS and REACH compliant, UPC 623980252339, UNSPSC 39121301.
Ideal For
- Generic 120V tube guitar amp power transformer replacement
- 120V tube amp repair
- Tube amp builds needing 650Vct at 81 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 | 325-0-325,5V@2A, 6.3VCT@2A |
Electrical
| Secondary 1 | 650Vct @ 81 mA |
| Primary Volts | 120V @ 60 Hz |
| Secondary 3 (Part Page) | 6.3V @ 2A |
| Secondary 4 (Part Page) | 5V @ 2A |
| Secondary 3 (Series Ordering Table) | 6.3Vct @ 2A |
| Secondary 4 (Series Ordering Table) | 5V @ 3A |
Identifiers
| UPC | 623980252339 |
| UNSPSC | 39121301 |
Amplifier Reference
| Amp Manufacturer | Fender |
| Amp Model (Ref. Only) | GENERIC |
Packaging & Shipping
| Shipping Weight | 2.95 lbs (1.34 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 291AX for?▾
The amp model is listed as GENERIC; it is described as a replacement power transformer for Fender guitar amps.
What is the 291AX primary?▾
120V @ 60 Hz.
What is the high voltage rating?▾
650Vct @ 81 mA.
What is the 5V winding rating?▾
The part page lists 5V @ 2A; the series ordering table lists 5V @ 3A.
What winding type is it?▾
Bobbin.
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