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Preamplifier Buying GuideOur preamplifiers are the heart of your system!Audio by Van Alstine offers you great preamplifiers at rational prices for true state-of-the-art musicality. We get the best out of hybrid chips, vacuum tubes, MOSFETs, and discrete semiconductors to provide the liquid and transparent performance you want. AVA preamplifiers have active line stages with low output impedances and high drive current to properly charge and discharge the distributed capacitance of interconnect cables and amplifier input circuits. A passive line stage (an expensive empty box with a volume pot) simply will not do the job because it has high output impedance and it interacts with your interconnect cables and your amplifier. It cannot filter out-of-band garbage. You need a true high fidelity preamplifier to make your system work best. All AVA equipment is easy to drive and helps to get the best performance out of your existing system. Compact disc and digital source musicality is enhanced because our preamplifiers isolate your amplifier and speakers from harsh digital switching sidebands that many CD players inadequately filter. Not all audiophiles collect every source format, so phono and tape buffer circuits are optional to keep the base cost as low as possible. If you do collect vinyl, our RIAA phono circuits have precise equalization and effortless phono dynamics to make you want to play all your records again. You won’t believe what amazing true-to-life sound you can pull off your records until you try them with AVA electronics. Our design goal is to have our equipment sonically disappear, leaving only the music. Tube, hybrid or solid-state—our aim is the same. But as we shoot at perfection, each circuit ends up having a slightly different characteristic sound because of the underlying technology. This chart can help you choose among the nuances and determine which preamp is the best match for your system and listening preferences. Audio by Van Alstine offers four series of preamplifiers:
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