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| Part Number | 1750N | 1750NA | 1750NB |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Series | 1750 | 1750 | - |
| Packaging | Box | Bulk | Bulk |
| Product Status | Active | Active | Active |
| Turns Ratio - Primary:Secondary | 14.30:1 | - | - |
| Impedance - Primary (Ohms) | 3.2kCT | 6kCT | - |
| Impedance - Secondary (Ohms) | 4, 8, 16 | 8, 16 | - |
| DC Resistance (DCR) - Primary | 41.74Ohm, 3.14Ohm | 73.2Ohm, 74.41Ohm, 147.4Ohm | - |
| DC Resistance (DCR) - Secondary | 170mOhm, 240mOhm, 360mOhm | 300mOhm, 580mOhm, 820mOhm | - |
| Transformer Type | Push-Pull Audiophile, Ultra-Linear - Tube Output | - | - |
| Frequency Range | 70Hz ~ 15kHz | 50Hz ~ 12kHz | - |
| Frequency Response | ±1dB | ±1dB | - |
| Voltage - Isolation | - | 2500V @ 1 Second | - |
| Insertion Loss | - | - | - |
| Return Loss | - | - | - |
| Power Level | 50W | 30W | - |
| Operating Temperature | - | - | - |
| Approval Agency | - | - | - |
| Mounting Type | Chassis Mount | Chassis Mount | - |
| Size / Dimension | 3.125" L x 3.350" W (79.38mm x 85.09mm) | 3.000" L x 2.465" W (76.20mm x 62.61mm) | - |
| Height - Seated (Max) | 3.800" (96.52mm) | 2.525" (64.14mm) | - |
| Termination Style | Wire Leads | Solder Lug | - |
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