Hammond 290FEX 240V 100W Twin Reverb/Showman Power Transformer
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Create Free Business AccountKey Features
- 240V @ 50/60 Hz primary
- 640Vct @ 518 mA high-voltage secondary (335-0-335)
- 60V bias winding
- 6.5V @ 5.5A heater winding
- Paper-wound construction
- Listed for Twin Reverb, Showman, Bassman 100, Quad, Super Six Reverb 100, Vibrosonic
- 11.65 lbs (5.28 kg); RoHS and REACH compliant
The 290FEX is the 240V @ 50/60 Hz member of the Hammond 290 Series transformers listed for Fender's larger amps, including the Twin Reverb, Showman and Bassman 100. It suits techs and owners maintaining these amps on 240V mains.
The secondaries are 640Vct @ 518 mA for the high-voltage supply (short description 335-0-335), a 60V bias winding and a 6.5V @ 5.5A heater winding. The ordering table lists paper winding.
Reference listings include the BASSMAN 100 (Silverface), QUAD WITH REVERB, SHOWMAN (Silverface, Blackface, AB763, AC568, AA763), SHOWMAN REVERB (AA768), SHOWMAN DUAL (AB763, AC568), SHOWMAN DUAL REVERB (100, AA769), SUPER SIX REVERB 100, TWIN REVERB (AA769, AA270, Silverface, AB763, Blackface, 100) and VIBROSONIC. Model and chassis references are for reference only; confirm against your amp before ordering.
Hammond designed the 290 Series for drop-in replacement of original units, with parts made to look similar to the original factory transformers where possible and materials and design specs kept as close as possible to the original part to preserve the stock tone.
The 290FEX ships at 11.65 lbs (5.28 kg), is RoHS and REACH compliant, and is identified by UPC 623980252278 and UNSPSC 39121301. The 120V @ 60 Hz version is the 290FX.
Ideal For
- Twin Reverb repair on 240V mains
- Showman and Dual Showman Reverb service
- Bassman 100 restoration outside North America
- Silverface Twin Reverb rebuilds
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers) |
| Part Number | 290FEX |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Short Description | 335-0-335, 6.5VCT@5.5A |
| Amp Model (Ref. Only) | BASSMAN 100* |
| Chassis No. (Ref. Only) | Silverface |
| Amp Manufacturer (Ref. Only) | Fender |
Electrical
| Secondary 1 | 640Vct @ 518 mA |
| Secondary 2 | 60V Bias |
| Secondary 3 | 6.5V @ 5.5A |
| Primary Volts | 240V @ 50/60 Hz |
Identifiers
| UPC | 623980252278 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 11.65 lbs (5.28 kg) |
Construction & Finish
| Winding | Paper |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Amp Cross-Reference (Ref. Only)
| Listed Amp (Fender Table) | VIBROSONIC* |
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Frequently Asked Questions
What mains voltage does the 290FEX need?▾
240V @ 50/60 Hz.
What are the secondaries?▾
640Vct @ 518 mA, 60V bias and 6.5V @ 5.5A.
Which amps is it listed for?▾
BASSMAN 100, QUAD WITH REVERB, SHOWMAN, SHOWMAN REVERB, SHOWMAN DUAL, SHOWMAN DUAL REVERB, SUPER SIX REVERB 100, TWIN REVERB and VIBROSONIC, for reference only.
What is the 120V version?▾
The 290FX.
How heavy is it?▾
11.65 lbs (5.28 kg) shipping weight.
