The 2264JR is a 2 slot 500 series Compressor and Microphone Preamplifier, based on the classic diode bridge principle.

• Microphone input impedance: 1200 Ohm .Input is transformer balanced and floating.
• Line input impedance: 10KOhms bridging, transformer balanced and floating.
• Output impedance: Less than 75 Ohms, transformer balanced and floating, 600 Ohms terminated.
• Maximum output: Greater than +26dBu, 600 Ohms terminated.
• THD: Less than 0.025% at 1Khz, Less than 0.05% at 100Hz.
• Frequency response : 20Hz (+0.3dB) to 20Khz (-0.2dB).
• Maximum Microphone Gain: 60dB.
• Maximum Line Gain: 20dB.
• Maximum Power consumption: Less than 110 mA @+-16VDC.