This page continues describing some of the features common to numerous Guild guitars: SP-6 tailpiece / Adjusto-matic bridge / Knurled control knobs.
SP-6 Tailpiece & Adjusto-Matic bridge are described as follows:
SP-6 TAILPIECE & ADJUSTO-MATIC BRIDGE Revolutionary Guild inventions in hardware. The SP-6 Tailpiece, Is nicknamed the "Quick-Change," because it allows strings to be changed in less than 2 minutes, and doesn't fall off while you're doing It. Our Adjusto-Matic bridge simplifies action adjustments by allowing tuning of any combination of string gauges separately. Features individual adjustments for string height, spacing and intonation.
$1800
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$1199
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$1295
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$1189
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$7490
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$129
$900