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Classic Circuits. Modern Craftsmanship.
Classic Circuits. Modern Craftsmanship.
At Boscoe Music, we specialize in recreating the electronics that helped define some of the most recognizable bass tones in history.
From vintage Music Man StingRay and Sabre preamps to G&L wiring systems, our products preserve the character of the original designs while incorporating modern construction techniques that make installation, maintenance, and customization easier.
Whether you're restoring a classic instrument, upgrading an existing bass, or building something entirely your own, Boscoe Music provides thoughtfully designed electronics, quality components, and detailed documentation to help you get the most out of your instrument.
MMSR77 — Vintage StingRay Preamp
MMSR77 — Vintage StingRay Preamp
The classic 1977 Music Man StingRay sound.
The MMSR77 faithfully recreates the original 2-band Music Man StingRay preamp, using the same circuit design and original LM4250CN opamp that helped give early StingRay basses their distinctive character.
Built with period-correct component values, modern PCB construction, and convenient screw-terminal connections, the MMSR77 is available as a standalone preamp or in several installation-ready kit configurations.
Ray in a Box — Vintage StingRay Preamp Pedal
Ray in a Box — Vintage StingRay Preamp Pedal
Vintage StingRay tone. No modifications required.
The Ray in a Box brings the classic 1977 Music Man StingRay 2-band preamp into a standalone pedal, making its distinctive EQ and tonal character available to a wide range of bass guitars.
Featuring the original LM4250CN opamp and vintage circuit design, this always-on preamp is intended to sit at the front of your signal chain, preserving the direct interaction between passive pickups and the preamp.
Shop This Product: eBay | Reverb
MMSA78 — Vintage Sabre Preamp
MMSA78 — Vintage Sabre Preamp
Recreating the original 1978 Music Man Sabre electronics.
The MMSA78 is a faithful reproduction of the early Music Man Sabre 2-band preamp, preserving the original tone circuit, Bright function, and LM4250CN opamp.
Designed primarily for restoring 1978–1981 Sabre basses, it also offers an excellent foundation for custom instruments inspired by Leo Fender's original Sabre design.
MMSA78+ — Enhanced Sabre Preamp
MMSA78+ — Enhanced Sabre Preamp
Classic Sabre character with expanded tonal possibilities.
The MMSA78+ builds upon the original 1978 Sabre preamp design, retaining its vintage tone circuit while introducing an improved, selectable Bright/Presence function.
Choose between a higher-frequency Bright response and a lower-frequency Presence boost for additional tonal flexibility. Ideal for Sabre restorations, StingRay upgrades, and custom bass projects.
GLL2K — G&L Bass Preamp
GLL2K — G&L Bass Preamp
A faithful recreation of the classic G&L bass preamp.
The GLL2K reproduces version 1.3 of the original G&L bass preamp, featuring the LM4250CN opamp and the distinctive active response of G&L's Tri-Tone electronics.
Designed for instruments including the L-2000, L-2500, ASAT Bass, and other compatible models, the GLL2K combines vintage circuit accuracy with a compact PCB and convenient screw-terminal wiring.
GLL1K — G&L L-1000 Wiring Harness
GLL1K — G&L L-1000 Wiring Harness
The distinctive G&L L-1000 electronics, made easier to install.
The GLL1K recreates the original passive G&L L-1000 wiring system, including its characteristic Parallel, Single Coil, and "OMG" Series pickup modes.
Compact circuit boards and screw-terminal connections replace much of the traditional point-to-point wiring, making installation and future maintenance more convenient. Available in control-plate and through-body configurations with full-size or mini potentiometers.
GLL2K Wiring Harness — Coming Soon!
GLL2K Wiring Harness — Coming Soon!
The complete G&L Tri-Tone electronics system, reimagined for modern installation.
Building on our GLL2K preamp, this forthcoming wiring harness brings the classic G&L L-2000/L-2500 electronics together into a complete, integrated assembly.
Designed to simplify the traditionally complex Tri-Tone wiring system while retaining the versatility and character of the original circuit.
Coming Soon — Follow Boscoe Music for updates.
Designed With Purpose. Built For Bass Players.
Designed With Purpose. Built For Bass Players.
Every Boscoe Music preamp is built around the original circuit designs, using carefully selected components and individually tested before shipping.
We believe vintage electronics should be both authentic and practical. That's why our products combine classic designs with modern construction, convenient installation features, and detailed documentation.
Whether you're keeping a vintage bass playing or giving a new instrument a classic voice, we're here to help.
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