GUILD Starfire I Jet 90
Guild Starfire I Jet 90 Electric Guitar User Manual
Model: Starfire I Jet 90 | Brand: GUILD
Introduction
This manual provides essential information for the setup, operation, and maintenance of your Guild Starfire I Jet 90 Semi-Hollow Body Electric Guitar. Designed for versatility, this instrument combines classic aesthetics with modern playability, featuring three Guild Franz P90 pickups and a unique six-way rotary switch for a wide range of tonal options. Please read this manual thoroughly to ensure optimal performance and longevity of your instrument.
Product Overview
The Guild Starfire I Jet 90 is a semi-hollow electric guitar known for its distinctive body shape and versatile sound. It features a chambered mahogany center block, three Guild Franz P90 pickups, a six-way rotary switch, a Guild Vibrato Tailpiece, and a Tune-o-matic bridge.

Figure 1: Front view of the Guild Starfire I Jet 90 Electric Guitar in Satin Gold.

Figure 2: Back view of the Guild Starfire I Jet 90 Electric Guitar, showcasing the satin black finish.
Setup
1. Unpacking
Carefully remove the guitar from its packaging. Inspect the instrument for any signs of damage that may have occurred during shipping. Retain all packaging materials for future transport or storage.
2. Tuning
The guitar may require tuning upon arrival. Use a reliable electronic tuner to bring the strings to standard pitch (E-A-D-G-B-e). The guitar is equipped with nickel strings.
3. Initial Inspection
Check the action (string height), neck relief, and intonation. While the guitar is set up at the factory, minor adjustments may be necessary due to environmental changes during transit. If you are unfamiliar with these adjustments, it is recommended to consult a qualified guitar technician.
Operating the Guitar
1. Controls Overview
The Starfire I Jet 90 features a master volume and master tone control, along with a unique six-way rotary pickup selector switch. This switch allows for a wide array of tonal combinations from the three Guild Franz P90 pickups.

Figure 3: Close-up of the guitar's body, highlighting the pickup configuration and control knobs.
2. Six-Way Rotary Switch Positions
The six-way rotary switch provides distinct pickup combinations, offering diverse sonic textures:
- Position 1: Bridge Pickup Only
- Position 2: Middle + Bridge Pickups
- Position 3: Middle Pickup Only
- Position 4: Neck + Middle Pickups
- Position 5: Neck Pickup Only
- Position 6: Neck + Bridge Pickups (Out of Phase)
Experiment with each position to discover the full range of tones, from crisp jazz to overdriven rock.

Figure 4: Detailed view of the three Guild Franz P90 pickups.
3. Guild Vibrato Tailpiece
The Guild Vibrato Tailpiece allows for expressive pitch modulation. Gently depress or raise the arm to achieve vibrato effects. Ensure the arm is securely fastened but allows for smooth movement.
Maintenance
1. Cleaning
Regularly wipe down the guitar with a soft, lint-free cloth after each use to remove sweat and oils. For satin finishes, use a damp cloth and avoid abrasive cleaners or polishes that can alter the finish. For hardware, a dry cloth is usually sufficient.
2. String Replacement
Replace strings regularly to maintain optimal tone and playability. The guitar comes equipped with Nickel strings. When replacing, change one string at a time to maintain neck tension.
3. Fretboard Care
The Indian Rosewood fretboard benefits from occasional conditioning to prevent drying and cracking. Use a specialized fretboard conditioner once or twice a year, or as needed based on climate.
4. Storage
Store the guitar in its case when not in use to protect it from dust, humidity fluctuations, and physical damage. Avoid extreme temperatures and direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound / Weak Sound | Cable issue, amplifier off, volume knob down, pickup selector in wrong position. | Check all connections, ensure amplifier is on and volume up, verify guitar volume/tone knobs are up, select an active pickup position. |
| Buzzing / Fret Buzz | Low action, uneven frets, neck relief issues, worn strings. | Adjust bridge saddle height, check neck relief (truss rod adjustment), replace strings. If issues persist, consult a technician. |
| Tuning Instability | New strings stretching, improper string winding, nut friction, worn tuners, vibrato use. | Stretch new strings thoroughly, ensure proper string winding on tuning posts, lubricate nut slots, check tuner screws. Excessive vibrato use can temporarily detune. |
| Scratchy Pots / Switch | Dust or dirt in controls. | Rotate knobs/switch vigorously to clear debris. If persistent, use contact cleaner (consult a technician if unsure). |
Specifications
- Model: Starfire I Jet 90
- Brand: GUILD
- Body Material: Maple
- Back Material: Maple Wood
- Top Material: Maple Wood
- Neck Material: Mahogany
- Fretboard Material: Indian Rosewood
- Number of Strings: 6
- Scale Length: 24.75 inches
- Pickups: Three Guild Franz P90 pickups
- Bridge System: Tune-O-Matic with Guild Vibrato Tailpiece
- Color: Satin Gold (other finishes available: Satin Black, Satin White)
- Hand Orientation: Right
- Item Weight: 7.5 pounds
- Product Dimensions: 41.75 x 16.38 x 1.63 inches
Warranty and Support
For warranty information and technical support, please refer to the official Guild Guitars website or contact your authorized dealer. Keep your proof of purchase for warranty claims.
Online Resources:
- Official Guild Guitars Website: guildguitars.com
- Amazon Brand Store: GUILD Store on Amazon
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.
