OT600 Output Autoformer

The OT-600 is a heavy-duty step-up autoformer accessory that adapts any power amplifier output with a maximum voltage of approximately 40 to 50 volts to drive a 70-volt distributed line with up to 600 watts. Three voltage taps let you choose the one most appropriate for the amplifier. The OT-600 can also be used to drive a 100-volt line when used with an amplifier with a maximum output level of 55 to 70 volts. Conversely, the OT-600 can be used as a high-power speaker transformer,driving loudspeakers with up to 600 watts from a 70-volt distributed line.

The OT-600 autoformer is compatible with any amplifier rated at approximately 350 to 650 watts at 4 ohms. It has built-on brackets for convenient mounting on a panel or in an equipment rack.

Compatible Amplifier Models:

• USA 900 and USA 1310
• RMX 1450



• MX 1500a and MX 2000a



• PLX 1602



• PowerLight 1.0HV, PowerLight 1.4, and PowerLight 1.8



• CX 502 and CX 404



• DCA 1622 and DCA 1644



• Any amplifier rated at approximately 350 to 650 watts at 4 ohms

OT-600 Spec Sheet (PDF)