Hammond 290EAZ 94 Twin Reissue 120V Power Transformer
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Available on backorder — ships as soon as stock arrives
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Create Free Business AccountKey Features
- Listed for the 94 TWIN REISSUE (similar P/N 41776, reference only)
- 120V @ 60 Hz primary
- 365Vct @ 850 mA high-voltage secondary
- 27.5V @ 100 mA auxiliary winding
- 6.3V @ 4A heater winding
- Bobbin-wound; RoHS and REACH compliant
- 7.65 lbs (3.47 kg) shipping weight
The 290EAZ is a Hammond 290 Series power transformer described as a replacement for a guitar amp. In the Fender section of the series ordering table it is listed for the 94 TWIN REISSUE, with a similar amp part number of 41776 given for reference. It suits technicians servicing higher-power reissue combos on 120V mains.
The primary is rated 120V @ 60 Hz. Secondaries are 365Vct @ 850 mA for the high-voltage supply, 27.5V @ 100 mA, and 6.3V @ 4A for tube heaters. The ordering table lists a bobbin winding.
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.
When comparing against the original, note the part's three listed secondaries: a centre-tapped high-voltage winding, a low-current 27.5V winding and a single 6.3V heater winding, all fed from one 120V primary. Hammond lists the amp model and similar part number for reference only, so confirm the chassis and original transformer markings before ordering.
The 290EAZ ships at 7.65 lbs (3.47 kg), is RoHS and REACH compliant, and is identified by UPC 623980930602 and UNSPSC 39121301. A multi-tap primary version for 120/210/220/230/240V @ 50/60 Hz is listed as the 290EEAZ.
Ideal For
- 94 Twin Reissue power transformer replacement
- High-current tube amp repair on 120V mains
- Reissue combo restoration
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers) |
| Part Number | 290EAZ |
| Product Type | Power transformer, replacement for guitar amp, 290 series |
| Short Description | POWER TRANS |
Electrical
| Secondary 1 | 365Vct @ 850 mA |
| Secondary 3 | 27.5V @ 100 mA |
| Secondary 4 | 6.3V @ 4A |
| Primary Volts | 120V @ 60 Hz |
Identifiers
| UPC | 623980930602 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 7.65 lbs (3.47 kg) |
Construction & Finish
| Winding | Bobbin |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Amp Cross-Reference (Ref. Only)
| Listed Amp (Fender Table) | 94 TWIN REISSUE*; similar P/N: 41776 |
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Frequently Asked Questions
Which amplifier is the 290EAZ listed for?▾
The 94 TWIN REISSUE, similar amp P/N 41776, for reference only.
What are the secondary ratings?▾
365Vct @ 850 mA, 27.5V @ 100 mA and 6.3V @ 4A.
Is there a version for 230V or 240V mains?▾
The 290EEAZ is listed for the 94 TWIN REISSUE with a 120/210/220/230/240V @ 50/60 Hz primary and the same secondaries.
What does it weigh?▾
The shipping weight is 7.65 lbs (3.47 kg).
