Graph Tech PRB-4400-B0 Bass Ratio 4-In-Line Tuners
Dial in your bass with RATIO gearing technology! Graphtech's PRB-4400 uses RATIO technology to incorporate different string gauges into the tuning equation.
Overview
The Graphtech PRB-4400 is a right-handed set of RATIO Calibrated Machine Heads for BASS that use a 4-in-line configuration.
- RATIO - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
- From Low E to G - 36:1, 30:1, 20:1, 18:1.
- Balanced gear ratios to each string, simplifying the tuning process.
- With RATIO, a half-turn is a semi-tone!
- Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.
- Includes 4 machine heads, mounting screws, and bushings
Features:
- RATIO patented gear technology- RATIO - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
- From Low E to G - 36:1, 30:1, 20:1, 18:1.
- Balanced gear ratios to each string, simplifying the tuning process.
- With RATIO, a half-turn is a semi-tone!
- Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.
- Includes 4 machine heads, mounting screws, and bushings
Specs
- 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)
- 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)
- Dimensions and Weight in Packaging
- Base Item
- Shipping Weight: 0.61 lbs
- Shipping Dimensions: 5 x 3 x 2 in
- Manufacturer Part Number (MPN): PRB-4400-B0
Documents and Manuals
For support or warranty questions, please contact the manufacturer:
Phone: 800-388-7011
Email: support@graphtech.com
Web: https://graphtech.freshdesk.com/support/home
Phone: 800-388-7011
Email: support@graphtech.com
Web: https://graphtech.freshdesk.com/support/home
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