The Aphex 207D Tube Microphone/Instrument Preamp with Digital Out adds AES/EBU and S/PDIF digital outputs to the popular 207 tube preamp, providing direct digital connection throughout your signal chain, with up to 96kHz sampling rates. The 207D also adds word clock for digital clocking synchronization.The Aphex 207D is an audiophile-quality 2-channel tube mic preamp designed to reveal the subtlety and power of vintage condensers, ribbons, electrets, and popular dynamic mics. MicLim circuitry offers virtually crashproof performance making it a perfect front end for digital recorders. An insert loop is provided for adding effects prior to conversion. Offers up to 65dB of continuously variable gain, 48V phantom power, polarity select, -20dB pad, low cut filter switches, switchable -10dBv or +4dBu operating levels, balanced XLR and TRS I/O, and a delayed turn-on circuit for speaker protection.The Aphex 207D tube preamp makes use of patented Reflected Plate Amplifier (RPA) technology, a true vacuum tube circuit which has all the desired characteristics without the heat, fragility, sonic variability, short life, and high frequency roll-off of conventional tube designs.