| model | description |
|---|---|
| IT1003 | 10 kHz - 1 MHz, 750 Watt, 3 to 1000 ohms Switchable Impedance Transformer |
| IT1005 | 100 kHz - 3 MHz, 750 Watt, 50 to 2000 ohms Switchable Impedance Transformer |
| IT2001 | 10 kHz - 3 MHz, 1500 Watt, 8 to 400 ohms Remote Switchable Impedance Transformer |
| IT2002 | 100 kHz - 3 MHz, 1500 Watt, 50 to 1800 ohms Remote Switchable Impedance Transformer |
