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Graph Tech

Graph Tech Ratio 2+2 Bass Y-Style Button Black 4 String

Name: Graph Tech Ratio 2+2 Bass Y-Style Button
Brand: Graph Tech
SKU: M01957

Q&A SKU #M01957000001001

$9774

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Earn 784 reward pts.

($7.84 in credit)

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Estimated delivery 5-8 business days

Style: Black 4 String

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Overview

Ratio calibrated machine heads for bass guitars that use a 2 x 2 configuration

The Graph Tech Ratio 2+2 Bass Y-Style Button machine heads deliver predictable, precise tuning, on every string. Each string reacts the same to any tuning adjustment. Graph Tech has balanced the gear ratios to each string, which simplifies the tuning process. With Ratio tuners, a half turn is a semi-tone. The Graph Tech PRB-4220 is a right-handed set of Ratio calibrated machine heads for bass guitars that use a 2 x 2 configuration. To achieve the higher gear ratios, Ratio tuners use a double envelope gear design with a hardened steel gear.

Features

Includes:
4 machine heads
Mounting screws
Bushings

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Specs

Ratio 2+2 Bass Y-Style Button Specifications:

Gear ratio: 36:1, 30:1, 20:1, 18:1
Gear ratio: unique for each string position - one turn-one tone
Peg holes diameter required: 35/64" (14mm)
String post diameter: 0.547" (13.9mm)
String post length to string hole: 1.030" (26.1mm)
Weight per single machine head: 1.86oz (53g)
Weight per set of four: 7.44oz (212g)
String diameter up to 0.98 gauge (or larger if taper-wound)

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Graph Tech Ratio 2+2 Bass Y-Style Button Black 4 String

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