LTO presents some very musical and accurate microphone and instruments preamplifiers. Try our Mini-Tube for computer recording or our αMicTubeif you need to record more than one channel at the same time. Both are based on the legendary 12AX 7WA low-noise vacuum tube. For total control wehave made the solid-state model Voice Plus also available with Digital Output. Voice Plus also includes a "vintage" control for a more tube-like sound. The warmth and color of a tube in a compact twin microphone preamplifier. This product is ideal for personal computer recording and stand outtogether with the best tube preamplifier in the world at a fraction of their price. TECHINFORMATION Dual servo microphone preamplifier front and with tube line drive amplifiers 20dB Pad 48V Phantom Phase Reverse 8 segment level meter 12A × 7WA low noise vacuum tube Frequency Response: 20Hz-20kHz Å{/Å|3dB Output section includes XLR and 1/4" connectors for driving two separate signal paths 1/4", high Z inputs on the front panel for instrument preamplification Half rack space steel chassis Dimensions (W×D×H): 199 × 153 × 45mm (7.8" × 6.0" × 1.8") Weight: 1.1kg (2.4 lb)