Kustom 250 Black

Professionally authenticated and evaluated by Blue Note Music, this 1970s U.S.-made Kustom 250 head is a highly original example that retains its original chassis, cabinet, power transformer, control panel, electronics, and factory wiring, with only documented routine service performed in 2002. Despite the missing serial number, every major construction detail is consistent with an authentic Kustom 250 from the era. Fully functional and ready for the stage, it delivers the powerful clean headroom, unmistakable vintage tone, and iconic styling that made Kustom a favorite of working musicians. For players seeking a dependable, authentic vintage amplifier with exceptional originality and proven reliability, this Kustom 250 is an outstanding value and a true piece of American amplifier history.

VINTAGE AMPLIFIER AUTHENTICATION & ORIGINALITY CHECKLIST

AMPLIFIER INFORMATION

Manufacturer: Kustom 250

Model: 250

Serial Number: missing

Estimated Production Year: 1970’s

Country of Manufacture: USA

Configuration: Head

AUTHENTICATION GRADE

Overall Originality Score

100 /100

SERIAL NUMBER AUTHENTICATION

Comments: missing

CHASSIS AUTHENTICATION

Original Chassis

Correct Finish

No Extra Holes Present:

Evidence of Modification: Serviced in 2002. Solder joins , reverb tank mounts

CABINET AUTHENTICATION

Finger Joints Correct:

TOLEX / COVERING

Correct Texture

Correct Color

Correct Seam Layout

Condition: Good

HARDWARE

Corners: Original

Feet: Original

Back Panels: Original

Screws: mostly originsl

CONTROL PANEL

Faceplate: Original

Lettering: Excellent

Control Knobs: Original

Pilot Light Jewel: Original

Switches: Original

TRANSFORMERS

Power Transformer: Original

ELECTRONIC COMPONENT AUTHENTICATION

Capacitors

Filter Capacitors: Original

RESISTORS

Carbon Composition: Original

No Evidence of Excessive Replacement

WIRING

Factory Lead Dress: Original

Solder Joints: Some serviced

Wire Colors Correct: Yes

Player Grade

A fully functional amplifier intended primarily for musicians rather than collectors. It may exhibit cosmetic wear, repairs, replacement maintenance components, or modifications that reduce collector value while maintaining dependable performance.

Typical Characteristics

·      Fully functional

·      Safe to operate

·      Cosmetic wear expected

·      Service replacements acceptable

·      Moderate originality loss acceptable

·      Excellent choice for regular use

·      Hardware replacement

·      Professional refinishing where appropriate

Authentication Conclusion

☐ Fully Authentic

Technician Narrative

BLUE NOTE CERTIFICATION

Technician: Kevin Carmody

Date: 07/16/26