Hammond 291DEX 240V 650Vct 230mA Generic Amp Power Transformer
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224-955-1644Key Features
- Short description: REPLACED WITH 290DEX
- 240V @ 50/60 Hz primary
- 650Vct @ 230 mA high voltage secondary
- 50V bias winding
- 6.3Vct @ 4A and 5V @ 3A secondaries
- Bobbin winding; 8 lbs (3.63 kg); RoHS and REACH compliant
The 291DEX is a 290 Series power transformer described as a replacement for Fender guitar amps, with the amp model listed as GENERIC. Note that the manufacturer's short description reads REPLACED WITH 290DEX, so buyers searching for this part number should be aware of that successor part.
The primary is 240V @ 50/60 Hz. Secondary 1 is 650Vct @ 230 mA, Secondary 2 is a 50V bias winding, Secondary 3 is 6.3Vct @ 4A and Secondary 4 is 5V @ 3A. The series ordering table lists a bobbin winding.
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 listed shipping weight is 8 lbs (3.63 kg). The 291DEX is RoHS and REACH compliant, with UPC 623980252582 and UNSPSC 39121301. Its 120V @ 60 Hz counterpart is the 291DX. Match the listed winding ratings to your amplifier's requirements before ordering.
Ideal For
- 240V generic tube guitar amp power transformer replacement
- Cross-reference to the 290DEX
- Tube amp repair on 240V mains
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers, Replacement & Upgrades) |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Replacement Part | 290DEX |
| Short Description | REPLACED WITH 290DEX |
Electrical
| Secondary 1 | 650Vct @ 230 mA |
| Secondary 2 | 50V Bias |
| Secondary 3 | 6.3Vct @ 4A |
| Secondary 4 | 5V @ 3A |
| Primary Volts | 240V @ 50/60 Hz |
Identifiers
| UPC | 623980252582 |
| UNSPSC | 39121301 |
Amplifier Reference
| Amp Manufacturer | Fender |
| Amp Model (Ref. Only) | GENERIC |
Packaging & Shipping
| Shipping Weight | 8 lbs (3.63 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
Is the 291DEX superseded?▾
The manufacturer's short description reads REPLACED WITH 290DEX.
What is the primary voltage?▾
240V @ 50/60 Hz.
What are the secondaries?▾
650Vct @ 230 mA, 50V bias, 6.3Vct @ 4A and 5V @ 3A.
What amp is it for?▾
The amp model is listed as GENERIC, described as a replacement for Fender guitar amps.
What does it weigh?▾
8 lbs (3.63 kg).
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