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| Part Number | 1650WA | 1650W |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing |
| Series | A | 1600 |
| Packaging | Box | Bulk |
| Product Status | Active | Active |
| Turns Ratio - Primary:Secondary | - | - |
| Impedance - Primary (Ohms) | 1.9kCT | 1.9kCT |
| Impedance - Secondary (Ohms) | 4, 8, 16 | 4, 8, 16 |
| DC Resistance (DCR) - Primary | 15.65Ohm, 17.19Ohm | - |
| DC Resistance (DCR) - Secondary | 152mOhm, 203mOhm, 217mOhm | - |
| Transformer Type | Push-Pull Audiophile, Ultra-Linear - Tube Output | Push-Pull Audiophile, Ultra-Linear - Tube Output |
| Frequency Range | 30Hz ~ 30kHz | 30Hz ~ 30kHz |
| Frequency Response | ±1dB | ±1dB |
| Voltage - Isolation | 3535VDC @ 1 Second | - |
| Insertion Loss | - | ±1dB |
| Return Loss | - | - |
| Power Level | 280W | 280W |
| Operating Temperature | - | - |
| Approval Agency | - | - |
| Mounting Type | Chassis Mount | Chassis Mount |
| Size / Dimension | 7.500" L x 4.380" W (190.50mm x 111.25mm) | 7.500" L x 4.380" W (190.50mm x 111.25mm) |
| Height - Seated (Max) | 5.250" (133.35mm) | 5.250" (133.35mm) |
| Termination Style | Wire Leads | Wire Leads |
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