Hammond PWDM13062 Johnson Viking 500 Modulation Transformer
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224-955-1644Key Features
- Modulation transformer for the Johnson Viking 500
- Primary 23000 ohms P-P, 2400 VCT
- 200-3500 Hz audio range
- Secondary 8000 ohms, 2000 VDC at 250 mA, 1414 VAC, 250 W
- EI-212 x 3 core, Style 4
- Approx. 29 lbs (13.15 kg shipping)
- REACH and RoHS compliant
The PWDM13062 is the modulation transformer for the Johnson Viking 500, taken from the Peter W. Dahl files in the PWDAHL Series. It is intended for Viking 500 owners and restorers who need a replacement for this large high-level modulation transformer. At 29 lbs it is one of the heavier modulation transformers in the Dahl listing.
The primary is 23000 ohms plate-to-plate at 2400 VCT, with a stated frequency range of 200-3500 Hz. The secondary S1 is 8000 ohms, rated for 2000 VDC at 250 mA, 1414 VAC and 250 W.
PWDM13062 is built on an EI-212 x 3 lamination core in Style 4 of the series style sheet. The approximate weight is 29 lbs, with a shipping weight of 29 lbs (13.15 kg), so plan chassis handling accordingly. The part is REACH compliant and RoHS compliant, with UPC 623980240497 and UNSPSC 39121301.
Dahl-series units are usually built to order one at a time; units already built are shown with Hammond part numbers. The series recommends confirming availability by phone or e-mail, and notes that stock units can usually be shipped next business day.
Ideal For
- Johnson Viking 500 restoration
- High-level AM plate modulation
- Vintage kilowatt-class transmitter repair
Overview
| Series | Peter W Dahl Transformers (PWDAHL Series) |
| Part Number | PWDM13062 |
| Product Type | Modulation Transformer |
| Series Focus | Magnetics for Amateur Radio Products |
| Short Description | JOHNSON VIKING 500 MODULATION |
| Ordering Table Description | JOHNSON VIKING 500 MOD VIKING 500 MODULATION TRANSFORMER |
Electrical
| Primary | 23000 OHMS P-P 2400 VCT (200-3500 HZ) |
| Secondary | S1) 8000 OHMS (2000VDC @ 250MA)1414VAC 250W |
| Frequency Range | 200-3500 Hz |
| Secondary Power | 250W |
Identifiers
| UPC | 623980240497 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 29 lbs (13.15 kg) |
| Approx. Weight (Ordering Table) | 29 lbs |
Construction & Finish
| Core | EI-212 X 3 |
| Style (Per Series Style Sheet) | 4 |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the primary impedance of PWDM13062?▾
23000 ohms P-P at 2400 VCT.
What is its frequency range?▾
200-3500 Hz, as listed for the primary.
What does the secondary deliver?▾
8000 ohms, 2000 VDC at 250 mA, 1414 VAC, 250 W.
How heavy is it?▾
About 29 lbs; shipping weight 29 lbs (13.15 kg).
Is this transformer kept in stock?▾
The series notes that these transformers are usually built to order one at a time, and that stock units can usually be shipped next business day. Confirming availability by phone or e-mail is recommended.
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