Product Details
HA6673

6673 Mic Pre 4 Band EQ, 1073 Class A PreAmp with 1066 mid EQ

80 Series Microphone Preamplifier/EQ Module, with Class A Amplifier, 80dB of Gain, 4-band EQ, and Highpass Filter

Technical Specification
Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum. Higher gain positions gradually have greater impedances, optimum for lo gain ribbon mics. Input is transformer balanced and floating. Line input impedance