1. Introduction and Overview
The Sterling by Music Man StingRay Ray4 Bass Guitar is an iconic instrument known for its classic design and powerful sound. This model features active electronics, low-noise humbucking pickups, and robust hardware, making it a reliable choice for musicians. This manual provides essential information for setting up, operating, and maintaining your Ray4 bass guitar to ensure optimal performance and longevity.

Image: The Sterling by Music Man StingRay Ray4 Bass Guitar in Black, showcasing its classic body shape, black pickguard, and maple fretboard.
2. Key Features
- Iconic StingRay Design: Features the distinctive StingRay body shape with a black finish and black pickguard.
- Quality Construction: Crafted with a basswood body, maple neck, and maple fretboard for balanced tone and playability.
- Active Electronics: Equipped with a Sterling by Music Man designed Ceramic humbucking pickup and a 2-band active preamp.
- Versatile Tone Control: The 2-band active preamp allows for precise adjustments of volume, treble, and bass to shape your desired sound.
- Reliable Hardware: Features rock-solid hardware for tuning stability and durability.
- USA Setup and Inspection: All Sterling by Music Man instruments undergo final setup and inspection in the USA.
3. Setup Guide
3.1 Initial Inspection
Upon unboxing, carefully inspect your bass guitar for any signs of damage. Check the neck, body, and hardware. Ensure all components are securely attached.
3.2 Stringing and Tuning
The bass comes pre-strung with nickel strings. For optimal performance, ensure the strings are properly seated in the bridge and tuning machines. Use a digital tuner to accurately tune each string to standard bass tuning (E-A-D-G, from thickest to thinnest string).
3.3 Action Adjustment
The string action (height of strings above the fretboard) is factory-set. If you experience buzzing or find the action uncomfortable, minor adjustments can be made to the bridge saddles. For significant adjustments, it is recommended to consult a qualified guitar technician.
4. Operating Instructions
4.1 Connecting to an Amplifier
- Ensure your amplifier is turned off and its volume is set to minimum.
- Connect one end of a standard 1/4-inch instrument cable to the output jack on your bass guitar.
- Connect the other end of the cable to the input jack on your amplifier.
- Turn on your amplifier and slowly increase the volume to your desired level.
4.2 Using the Controls
The StingRay Ray4 features a 2-band active preamp with the following controls:
- Volume Knob: Controls the overall output level of the bass.
- Treble Knob: Adjusts the high-frequency response. Turn clockwise to boost treble, counter-clockwise to cut.
- Bass Knob: Adjusts the low-frequency response. Turn clockwise to boost bass, counter-clockwise to cut.
Experiment with these controls to find your preferred tone. The active preamp requires a 9V battery for operation (see Maintenance for battery replacement).
5. Maintenance
5.1 Cleaning
Regularly wipe down your bass with a soft, lint-free cloth after each use to remove sweat and fingerprints. For a deeper clean, use guitar-specific cleaning products. Avoid abrasive cleaners or solvents.
5.2 String Replacement
Strings should be replaced periodically, depending on usage, to maintain optimal tone and playability. Replace one string at a time to maintain neck tension. Use high-quality bass guitar strings.
5.3 Battery Replacement
The active electronics require a 9V alkaline battery. If the sound becomes weak or distorted, it's likely time to replace the battery. The battery compartment is located on the back of the bass. Ensure correct polarity when inserting the new battery.
5.4 Storage
Store your bass guitar in a stable environment, away from extreme temperature changes or humidity fluctuations. A gig bag or hard case is recommended for protection during storage and transport.
6. Troubleshooting
- No Sound: Check cable connections, amplifier power, and ensure the 9V battery for the active electronics is fresh and correctly installed.
- Buzzing/Humming: This can be caused by faulty cables, improper grounding, or interference from other electronic devices. Try a different cable or power outlet.
- Poor Tuning Stability: Ensure strings are properly stretched and wound around the tuning posts. Check for worn tuning machines or a poorly cut nut.
- Distorted Sound: Check amplifier settings. If the issue persists, the 9V battery may be low.
For persistent issues, contact Sterling by Music Man customer support or a certified technician.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | RAY4 |
| Body Material | Basswood |
| Neck Material | Maple |
| Fretboard Material | Maple |
| Number of Strings | 4 |
| Pickup Configuration | H (Humbucker) |
| Preamp | 2-band Active EQ |
| Connector Type | 6.35mm Jack |
| Battery Type | 9V Alkaline |
| Item Weight | 9 pounds |
| Product Dimensions | 45 x 1.5 x 13.5 inches |
8. Warranty and Support
For warranty information, product registration, or technical support, please refer to the official Sterling by Music Man website or contact their customer service department. Keep your proof of purchase for warranty claims.
Official Website: www.sterlingbymusicman.com