Hammond 290DX 120V Lower Plate Voltage Bassman Power Transformer
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Create Free Business AccountKey Features
- 120V @ 60 Hz primary
- 650Vct @ 230 mA high-voltage secondary (325-0-325)
- 50V bias and 6.3Vct @ 4A heater windings
- 5V @ 3A winding
- Similar amp P/N 8087 (reference only)
- Bobbin-wound; RoHS and REACH compliant
- 8 lbs (3.63 kg) shipping weight
The 290DX is a Hammond 290 Series power transformer listed as a replacement for Fender guitar amplifiers, built for a 120V @ 60 Hz supply. It is intended for technicians and builders servicing tube amps that call for the lower plate voltage version of the Bassman transformer.
Electrically it provides a 650Vct @ 230 mA high-voltage secondary (short description 325-0-325), a 50V bias winding, a 6.3Vct @ 4A heater winding and a 5V @ 3A winding. The ordering table lists a bobbin winding.
Reference listings include the BASSMAN (Lower Plate Volts) with Tweed 5F6 and 5F6A chassis and Combos, the SUPER (lower plate voltage) with Tweed 5F4, Brownface 6G4 and 6G4-A chassis, and the 59 BASSMAN. The similar amp part number given is 8087. Model, chassis and similar part numbers are for reference only.
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 290DX is RoHS and REACH compliant and has a shipping weight of 8 lbs (3.63 kg). Identifiers are UPC 623980094076 and UNSPSC 39121301. For 240V @ 50/60 Hz mains, the 290DEX carries the same secondary ratings.
Ideal For
- Tweed Bassman 5F6/5F6A power transformer replacement
- Tweed 5F4 and Brownface 6G4 Super rebuilds
- 59 Bassman style builds on 120V mains
- Guitar amp restoration on 120V mains
Overview
| Series | 290 Series (Tube Guitar Amplifier - Power Transformers) |
| Part Number | 290DX |
| Product Type | Power transformer, replacement for Fender guitar amp, 290 series |
| Short Description | 325-0-325,5V@3A, 6.3VCT@4A |
| Amp Model (Ref. Only) | BASSMAN*(Lower Plate Volts) |
| Chassis No. (Ref. Only) | Tweed, 5F6, 5F6A |
| Amp Manufacturer (Ref. Only) | Fender |
| Similar Amp P/N's (Ref. Only) | 8087 |
Electrical
| Secondary 1 | 650Vct @ 230 mA |
| Secondary 2 | 50V Bias |
| Secondary 3 | 6.3Vct @ 4A |
| Secondary 4 | 5V @ 3A |
| Primary Volts | 120V @ 60 Hz |
Identifiers
| UPC | 623980094076 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 8 lbs (3.63 kg) |
Construction & Finish
| Winding | Bobbin |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Amp Cross-Reference (Ref. Only)
| Listed Amp (Fender Table) | 59 BASSMAN*; similar P/N: 8087 |
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Frequently Asked Questions
What amp part number does the 290DX cross to?▾
The similar amp P/N listed is 8087, for reference only.
What are the voltage and current ratings?▾
Primary 120V @ 60 Hz; secondaries 650Vct @ 230 mA, 50V bias, 6.3Vct @ 4A and 5V @ 3A.
Which amps is it listed for?▾
BASSMAN (Lower Plate Volts) Tweed 5F6/5F6A and Combos, SUPER (lower plate voltage) Tweed 5F4, Brownface 6G4/6G4-A, and 59 BASSMAN.
Is there a 240V version?▾
Yes, the 290DEX is listed with a 240V @ 50/60 Hz primary and the same secondaries.
What is the shipping weight?▾
8 lbs (3.63 kg).
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