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The device described in this manual is the Peavey Nitro I, an electric guitar.
The Peavey Nitro I is an electric guitar designed for musical performance. It features a classic body design and is equipped with a high-output humbucking pickup, a master volume control, and a genuine Kahler locking tremolo system. The guitar is intended to produce amplified sound when connected to an amplifier, with various adjustments available to tailor its sound and playability.
Volume Control: The volume control adjusts the signal level delivered from the pickup to the output jack. Rotating it clockwise increases volume, while rotating it counterclockwise decreases volume.
Pickup Adjustment: The height of the pickup can be adjusted by turning the height adjusting screws on the pickup trim ring. Turning screws clockwise raises the pickup, and counterclockwise lowers it. It's crucial to maintain adequate clearance (minimum 1/2" or .125") between the pickups and strings to prevent loss of sustain and string buzzing, especially on upper frets. The top surface of the pickup should remain parallel to the string plane to ensure proper output and hum cancellation. The twelve individual pole piece screws on the pickup allow for critical adjustment for each string: raising or lowering screws near the bridge increases or decreases treble sensitivity, while those near the neck affect low-end sensitivity.
Torsion Rod Adjustment: The guitar neck requires a slight bow to prevent string buzzing. A Peavey torsion rod wrench (No. 75031006) is used for adjustment. The process involves tuning to standard pitch, fretting the sixth string at the first and last frets, and checking clearance at the eighth fret (should be between .012" and .025"). Loosening the torsion rod nut (counterclockwise) increases clearance, while tightening it decreases clearance. It's important not to rotate the nut more than one full turn in either direction; a quarter to half turn is usually sufficient. Excessive rotation can damage the neck and rod. If excessive force is needed, consult a Peavey dealer or the factory.
Neck Tilt Adjustment: This adjustment works with bridge height to set overall string playing height and should be preferred over bridge height adjustments. To adjust, slightly detune the guitar, loosen the two neck screws closest to the headstock by one turn, and the remaining two neck screws closest to the bridge by two turns. The neck tilt screw (located inside the fifth hole in the neck plate) is then adjusted with an Allen wrench. Turning it clockwise lowers the strings, while counterclockwise raises them. Setting string height too low can cause buzzing and rattling, especially with heavy playing. Excessively high action leads to intonation problems and decreased playability. After adjustment, all four neck screws must be securely tightened.
Kahler® Locking Tremolo System: The instrument includes a genuine Kahler® Locking Tremolo System. Detailed instructions for the string lock and tuning mechanisms are provided in the enclosed Kahler literature package.
Bridge Angle Adjustment: The tremolo bridge angle is set by screws holding the spring claw. To access these, remove the spring cover on the back of the guitar. Turning the tension screws clockwise decreases the bridge angle, and counterclockwise increases it. The recommended bridge angle, measured from the body surface, is 5° to 8°.
Bridge Height Adjustment: Bridge height is adjusted via the bridge pivot bolts. Turning them clockwise reduces height, and counterclockwise increases it. Correct bridge height is necessary for proper tremolo operation. It is highly recommended that string height and action adjustments be made using the neck tilt feature, and the bridge height should ideally remain at its factory setting.
Saddle Height Adjustment: All saddle height and intonation adjustments must be made before tightening the string lock. Refer to the Kahler literature package for instructions.
String Intonation: Accurate intonation ensures the instrument plays in tune across the neck. Intonation is set by comparing the pitch of an open string to the pitch of the same string played at the 12th fret (one octave higher). The vibrating length of the string is adjusted by moving the bridge saddle forward or backward. If the fretted note is sharper than the open note, increase the vibrating length by moving the saddle rearward. If the fretted note is flat, shorten the vibrating length by moving the saddle forward. The Kahler literature package provides specific saddle adjustment instructions. It's often easier for an untrained ear to compare the 12th fret harmonic to the fretted note. Both torsion rod and string height settings interact with string intonation, so these adjustments must be completed before setting intonation at the bridge. After adjusting the bridge position, it may be necessary to return the open string to standard pitch.
Care for the Instrument: The Peavey Nitro I is a high-quality instrument made from fine materials and modern production methods. With reasonable care, it should provide many years of service.
Temperature and Humidity: It is important to protect the instrument from extreme or sudden changes in temperature and humidity. The guitar should be stored in its case when not in use.
Strings: Frequent cleaning and wiping after use can greatly extend string life. Dirt and perspiration accumulate on the underside of strings, leading to tuning and intonation problems, as well as rust and corrosion. For optimal performance, strings should be changed approximately once a month or every twenty-four playing hours.
Finish: The instrument features a durable and weather-resistant polyester/urethane finish. Automotive-grade waxes can protect, clean, and shine it. Between waxings, the instrument should be wiped with a dry, soft cloth.
Warnings:
Warranty Information: The Kahler tremolo system is warranted by American Precision Metalworks. The Peavey Nitro I guitar itself carries a one-year limited warranty from Peavey Electronics Corporation, covering defects in material and workmanship for the original retail purchaser. This warranty is void if the product is purchased for resale, not from an authorized Peavey dealer, or if damaged by accident, unreasonable use, neglect, improper service, or maintenance. The exclusive remedy for breach of warranty is repair or replacement of the guitar at Peavey's option. The warranty does not cover guitar strings. Implied warranties are not disclaimed during the one-year period from the date of purchase. The warranty registration card must be completed and mailed to Peavey within fourteen days of purchase.
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