| PartNumber | 1760K | 1760J | 1760L |
| Description | Audio Transformers / Signal Transformers FenderUpgrade/Tweed Primary Ohms 4000 CT | Power Transformers FenderUpgrade/Pro Primary Ohms 4000 CT | Power Transformers FenderUpgradeBassman Primary Ohms 4200 CT |
| Manufacturer | Hammond | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Audio Transformers / Signal Transformers | Audio Transformers | Audio Transformers |
| RoHS | Y | - | - |
| Product | Tube Application Power Transformers | Tube Application Power Transformers | Tube Application Power Transformers |
| Termination Style | Wire Lead | Wire Leads | Wire Leads |
| Length | 4.063 in | 4.076 in | - |
| Width | 3.125 in | 3.17 in | - |
| Height | 3.453 in | 3.45 in | - |
| Series | 1750 | 1760 | 1760 |
| Brand | Hammond Manufacturing | - | - |
| Product Type | Audio & Signal Transformers | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Transformers | - | - |
| Unit Weight | 5.116 lbs | 4 lbs | 4 lbs |
| Impedance | - | 4kCT Primary, 4/8/16 Secondary | 4.2kCT Primary, 4/8/16 Secondary |
| Mounting Type | - | Chassis Mount | Chassis Mount |
| Size Dimension | - | 103.53mm L x 80.52mm W | 102.87mm L x 77.47mm W |
| Current | - | - | - |
| Height Seated Max | - | 89.23mm | 90.50mm |
| Insertion Loss | - | ±1dB | ±1dB |
| Transformer Type | - | Push-Pull Audiophile, Ultra-Linear - Tube Output | Push-Pull Audiophile, Ultra-Linear - Tube Output |