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Conklin Groove Tools GTRP-4 Rocco Prestia signature model

Conklin Groove Tools GTRP-4 Rocco Prestia signature model

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Page last updated Mar 02, 2026

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Designed in collaboration with legendary Tower of Power bassist Rocco Prestia, the Conklin Groove Tools GTRP-4 signature model is a meticulously crafted instrument that embodies the essence of funk and groove. This electric bass is part of Conklin's Groove Tools line, known for their exceptional playability and tonal versatility. The GTRP-4 is built with an alder body, chosen for its rich and balanced tonal qualities, making it an ideal choice for both recording and live performance.

The Bartolini pickups are a standout feature of this bass, offering a wide range of tones from deep, punchy lows to articulate highs, perfectly capturing Rocco Prestia's iconic sound. The 34-inch scale length ensures comfortable playing across the fretboard, while the maple neck and rosewood fingerboard provide a smooth and fast playing experience. The bass also includes a high-mass bridge for enhanced sustain and tuning stability.

The GTRP-4 is not only designed for performance but also for reliability, making it a trusted choice for musicians who demand excellence in every note. Its unique combination of craftsmanship and premium components make it a worthy addition to any bassist's arsenal, whether you’re grooving in a studio session or lighting up a stage.

Key Features:

Signature model designed with Rocco Prestia
Alder body for balanced tonal qualities
Maple neck with rosewood fingerboard
Bartolini pickups for versatile sound
34-inch scale length for comfortable playability
High-mass bridge for increased sustain and stability

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LowEndLobster

Conklin GTRP-4 Rocco Prestia Signature - This Groove Tools Bass GROOVES! - LowEndLobster Fresh Look

LowEndLobster

LowEndLobster Fresh Look: Conklin GTRP-4 Rocco Prestia Signature - It brings the FUNK.

LowEndLobster

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Rocco Prestia

Bassist

Tower of Power

Verified via Vintage Guitar® magazine

Is your bass custom-made? It’s a Conklin [Groove Tools GTRP-4, co-designed by Prestia]. He’s out of Springfield, Missouri. It was supposed to be on the market, but the deal for distribution all kind of dissipated, so I don’t know if there are any others out there. I have a few. I like the way it feels; I like the balls, the tone. It’s right between a P and J. It’s just personal preference. I’m not into expensive; I’m into what feels good, sounds good – I’m happy. Like I said, it’s a piece of wood.