Rocky Mountain Audio Fest 2013 Hot Product
If a power amp is only as good as its power supply, BorderPatrol has a sure-fire way to improve its existing models. The S20 EXD dual-mono, single-ended amp (center stand) is not new, but the pair of power supplies flanking it are.
The new EXS uses twin heavy-duty power transformers in "a novel configuration," according to Gary Dews of BorderPatrol, and has a larger choke with higher inductance in the 300B supply. It also has extensive cryogenic treatments. Each EXS has a heavy-gauge copper case and weighs 80 pounds.
The S20 EXD amp sells for $16,750 with a pair of stock MB power supplies and $25,750 with a pair of the EXS supplies. Owners of BorderPatrol amps can trade in their MBs for EXS power supplies, which are literally plug'n'play.
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