TWO CHANNEL MICROPHONE PREAMPLIFIER. The acclaimed Millennia stereo mic preamp. Includes +48V phantom powering, optional +130 Volt B&K (DPA) mic powering, LED indicators, gain of 5 dB per step in 12 steps. Optional high-res (HR) gain switch available with 1.5 dB per step in 36 steps. DC Input Option available. Accepts 115V/230 VAC worldwide mains powering. 1U black chassis and faceplate.

FOUR CHANNEL MICROPHONE PREAMPLIFIER. Four channels of HV-3 mic preamps (described above) in 2U height rack chassis. Fully shielded internal power supply. Identical spec and performance as HV-3 except high resolution (HR) gain switches are standard. Optional DPA (BK) +130 Volt mic inputs. Gloss black 3/8” faceplate. Accepts 100 - 240 VAC mains powering. Ground lift. DC Input Option available. Can be upgraded to HV-3D eight channel mic preamp.

EIGHT CHANNEL MICROPHONE PREAMPLIFIER. Eight channels of HV-3 mic preamp (described above) in one 2U height rack chassis. Fully shielded internal power supply. Identical spec and performance as HV-3 except high resolution (HR) gain switches are standard. Optional DPA +130 Volt (BK) mic inputs. Gloss black 3/8” faceplate. Accepts 100 - 240 VAC mains powering. Ground lift. DC Input Option.

STEREO VACUUM TUBE MICROPHONE PREAMPLIFIER. Entirely transformerless signal path, designed for the optimum musical & ambient transparency available with vacuum tube circuitry. Includes continuous gain adjustment from 15 to 50 dB, phantom power, phase reverse, ground lift. Optional +130 Volt DPA (BK) mic powering. Gloss black 3/8” faceplate. 2U chassis height. Accepts 100 VAC to 240 VAC worldwide mains powering.