1961 Fender Jazz Bass

The 1961 Jazz Bass is an early pre-CBS model with the distinctive stack-knob (concentric) control plate — two concentric volume/tone knobs instead of the later three-knob layout. Slab Brazilian rosewood fingerboard. The narrow 1.5-inch nut width that defines the Jazz Bass feel. Offset alder body. Serial numbers on the neck plate (four or five digits, no letter prefix). For 1961, numbers should fall within documented Fender serial ranges. However, neck plates were not assigned sequentially to bodies, so neck date stamps (pencil or ink on the neck heel) and body cavity dates are more reliable. Look for a hand-written date on the butt end of the neck heel and in the neck pocket or under the pickguard on the body. The stack-knob (concentric) control plate is the key identifier for pre-1962 Jazz Basses — two concentric knobs control volume and tone independently for each pickup. Two offset single-coil pickups should be original — verify construction. Kluson Deluxe bass tuners. Slab Brazilian rosewood fingerboard. Pot codes corresponding to 1961. Serial number on neck plate. Four-saddle Jazz Bass bridge. The finish should be nitrocellulose lacquer. Nitro finishes check (develop fine cracks) and wear naturally over decades, showing wood underneath at contact points. The aging pattern should be consistent — even checking across the body, not localized. Refinished guitars often have a 'too perfect' look or inconsistent wear. Under UV/blacklight, original nitro fluoresces differently than modern polyester or polyurethane. Original custom color finishes are verified by examining the color in the pickup cavities and under the pickguard where it has been protected from light. Stack-knob Jazz Basses are highly collectible. Verify the control plate is original — reproduction stack-knob plates exist. Check for replaced pickups (extremely common on player Jazz Basses). The narrow nut width means the neck is delicate — check for neck repairs and headstock cracks. Brazilian rosewood should be verified (dark, richly figured). Slab board should be thick and flat-bottomed. Refinished bodies are common. The 1961 Jazz Bass differs from adjacent years in having the stack-knob control plate (replaced by three-knob layout in mid-1962). The slab-to-veneer rosewood transition occurred in 1962. Pre-CBS Jazz Basses are premium collectibles, especially with stack-knob controls.