
Hammond 290EEZ 240V 57 Twin Reissue Paper-Wound Power Transformer
Ships from and sold by A5 IT
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Create Free Business AccountKey Features
- 240V @ 50/60 Hz primary
- Listed for the 57 TWIN REISSUE (reference only)
- 660Vct @ 250 mA high-voltage secondary
- 50V bias winding
- 6.3V @ 4A heater and 5V @ 4A windings
- Paper-wound construction
- RoHS and REACH compliant; 7.65 lbs (3.47 kg)
The 290EEZ is a Hammond 290 Series power transformer listed as a replacement for the Fender 57 TWIN REISSUE on 240V @ 50/60 Hz mains. It is meant for technicians and owners in 240V regions who need a drop-in replacement for this reissue.
Its high-voltage secondary is rated 660Vct @ 250 mA, with a 50V bias winding, a 6.3V @ 4A heater winding and a 5V @ 4A winding. The ordering table lists paper winding. Note the part page short description for this part simply repeats the primary rating, 240V @ 50/60 Hz.
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 290EEZ ships at 7.65 lbs (3.47 kg). It is RoHS and REACH compliant and identified by UPC 623980284125 and UNSPSC 39121301. The 120V @ 60 Hz counterpart for the same amp is the 290EZ, listed with a 640Vct @ 250 mA high-voltage winding. Amp references are for reference only; confirm your amp before ordering.
Ideal For
- 57 Twin Reissue repair on 240V mains
- Reissue amp service
- Export-voltage amp restoration
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers) |
| Part Number | 290EEZ |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Short Description | 240V @ 50/60 Hz |
| Amp Model (Ref. Only) | 57 TWIN REISSUE* |
| Amp Manufacturer (Ref. Only) | Fender |
Electrical
| Secondary 1 | 660Vct @250 mA |
| Secondary 2 | 50V Bias |
| Secondary 3 | 6.3V @ 4A |
| Secondary 4 | 5V @ 4A |
| Primary Volts | 240V @ 50/60 Hz |
Identifiers
| UPC | 623980284125 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 7.65 lbs (3.47 kg) |
Construction & Finish
| Winding | Paper |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Amp Cross-Reference (Ref. Only)
| Listed Amp (Fender Table) | 57 TWIN REISSUE* |
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Frequently Asked Questions
What mains voltage is the 290EEZ for?▾
240V @ 50/60 Hz.
What are the secondary ratings?▾
660Vct @ 250 mA, 50V bias, 6.3V @ 4A and 5V @ 4A.
Which amp is it listed for?▾
The 57 TWIN REISSUE, for reference only.
Is it paper wound?▾
Yes, the ordering table lists Paper.
What is the 120V version?▾
The 290EZ (120V @ 60 Hz, 640Vct @ 250 mA).

