Audio Research celebrates 40th anniversary with limited edition Reference Anniversary preamp

You'll need to be very, very wealthy to afford this limited edition Reference Anniversary preamp from Audio Research, made to celebrate the company's 40th anniversary.

Only a limited number will be made, and production will cease on December 31st, 2010. The UK retail price is £23,000, rising to £24,000 if you're not quick off the mark.

The dual-mono power supply has separate low and high voltage transformers for each channel, separate vacuum-tube regulation (6550C and 6H30) of each channel, and twice the power supply energy storage to ensure "unrivalled dynamic headroom", says Audio Research.

When switched on, the vacuum-fluorescent display will read "Anniversary Edition Reference Preamplifier 1970-1971" and will then begin to count up, year by year, until it reaches 2010. At the end of this cycle, the display returns to normal.

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