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4 String 4-In-Line Bass Ratio Open Back Classic Clover Leaf Button Lefty - Chrome (PRB-4401-LC0)

4 String 4-In-Line Bass Ratio Open Back Classic Clover Leaf Button Lefty - Chrome (PRB-4401-LC0)

PRB-4401-LC0

702725244508

Regular price $195.44 USD
Regular price Sale price $195.44 USD
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RATIOĀ® patented gear technology
RATIOĀ® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.

From Low E to G - 48:1, 36:1, 25:1, and 23:1.

We balanced the gear ratios to each string simplifying the tuning process.

With RATIOĀ®, a half turn is a semi-tone!

Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.Ā 

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Bass Ratio animation

The PRB-4401-LCO is a left-handed set of RATIOĀ® Calibrated Machine Heads for BASS that use 4-in-line configuration.

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In order to achieve the higher gear ratio's,Ā Ratio's are the world'sĀ first machine heads using a double envelope gear design with a hardened steel gear. Amazingly smooth and super strong.

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Headstock Configuration 4-in-line Ā Ratio Tuned Machine Heads: The New Standard In Tuning Technology

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Gear ratio: unique for each string position - one turn-one tone
Peg holes diameter required: 0.720" (18mm)
String post diameter: 0.547" (13.9mm)
String post length to string hole: 0.807ā€ (20.5mm)
Weight per single machine head: 3.5oz (99.3g)
Weight per set of four: 14oz (397g)
String diameter up to 130 gauge
Includes 4 machine heads, mounting screws and bushings

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Staggered Ratio Measurements.pdfĀ Ratio Installation Guide.pdfĀ Ratio Installation Guide Video

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Our Bass Ratio rated 5 stars on Sweetwater.

Sweetwater Rating 5.0

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