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LaChapell Audio Launches Single-Bay 500 Series Tube Preamp

High-voltage vacuum tube preamp accommodates mics and Hi-Z instruments

By PSW Staff July 31, 2014

The new LaChapell Audio 583s MK2 single-bay tube preamplifier for 500 series

LaChapell Audio has released the new 583s MK2 single-bay tube preamplifier, replacing the company’s first 500 series tube preamp, the 583S, after a successful run.

The 583s MK2 improves on the original while retaining identical microphone and Hi-Z topologies. Noted as the only true 500 series high-voltage vacuum tube preamp that accommodates mics and Hi-Z instruments, it incorporates a Cinemag input transformer and Jensen JT-11 output transformers. A convenient handle is provided for easy insertion and removal.

“Our users have been asking for a single bay 583s so that they could fit more of them in a 500 series chassis. Not only have we been able to accomplish that, we have also improved the signal-to-noise ratio,” explains Scott LaChapell, owner of LaChapell Audio. “Our technology allows us to properly power the 12AX7 tube with a full 250-volt supply so recorded sources sound natural with the vacuum tube warmth that other manufacturers cannot deliver, all while staying within API/VPR power requirements.”

The new LaChapell Audio 583s MK2 is available now, with a street price of $945 (U.S.).

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