The Solid State Logic Alpha VHD-Pre is a 1 RU rackmount 4-channel microphone preamplifier offering high gain and versatile color for musicians, producers, and engineers in homes, studios, and live stage applications. With up to 75 dB of gain and per-channel Variable Harmonic Drive, the Alpha VHD-Pre is a preamp that can deliver anything from clean and smooth tones for soft vocals to ragged and gritty distortion for pounding drums.
Each channel also features adjustable output gain, a -20 dB pad, and selectable 48V phantom power. The rear panel houses four XLR 3-pin mic/line inputs and four XLR 3-pin line outputs, while the front panel presents four 1/4" TS Hi-Z instrument inputs with impedance detection and level matching. The Alpha VHD-Pre occupies 1 RU of rack space and includes an external power adapter with a detachable power cable.