Sunday, November 16, 2025

Yamaha Pacifica PAC612VIIFMX - Part 4

Part 1 | Part 2 | Part 3 | Part 4 | Part 5 | Part 6 | Part 7 | Part 8

Wilkinson VS50 Vibrato Bridge

The VS50 is finished in satin chrome and features a precision machined six-screw hardened steel base plate. This base plate pivots on two knife edges and two posts. String saddles are attached to the base plate with black hex screws, much like those on a Floyd Rose. Saddle height adjustment, meanwhile, is effected via two hex screws on either side of the string slot. Speaking of which, one of the height adjustment screws on the G-string saddle is loose, despite the owner's stop-gap measures.



Wilkinson VS50 Vibrato Bridge - Top

Wilkinson VS50 Vibrato Bridge - Front

Loose Saddle Height Screw (Arrowed)

Wilkinson VS50 Vibrato Bridge - Back

Wilkinson VS50 Vibrato Bridge - Right Side

Wilkinson VS50 Vibrato Bridge - Left Side



Back of Headstock and Neck

We'll start of this leg of the tour by examining the back of the headstock. Here's where you see a clear plastic model ID sticker that reads "PAC612VIIFMX," a black paper "Made in Indonesia" sticker, and most importantly, the serial number stamp (IHZ153005). And, by the way, those Grover tuners are indeed locking, despite the lack of rear-mounted thumbwheels. Moving past the headstock, we have a nicely figured unlaminated maple bolt-on neck which sports a C shape, according to Yamaha. 



PAC612VIIFMX - Back of Headstock

Model ID Sticker

"Made in Indonesia" Sticker

Serial Number Stamp

Grover Locking Tuners

Close-Up of Three Tuners

Unlaminated Maple Neck

Attractive Figuring



Back of the Body

The body of this PAC612VIIFMX is alder, and appears to comprise at least two pieces of wood. The finish is reminiscent of a Les Paul, albeit in a much lighter hue, allowing the grain to show through. The back of the body features a belly cut, and is home to a four-bolt rectangular "Yamaha" neckplate, as well as the tremolo and control cavities. 



PAC612VIIFMX Body - Back View

Belly Cut

Close-Up of Alder Body

"Yamaha" Neck Plate

Tremolo Cavity

Close-Up of Tremolo Claw

Zinc Tremolo Block



Control Cavity Electronics

The control cavity is shielded with conductive paint, and the wiring is largely coaxial, which are both plus points. However, the black plastic cover is totally unshielded, lacking any sort of metal foil. As for the pickup selector switch, it is enclosed in a metal box, and appears to be PCB-based. The master volume pot is a mini, while the master tone pot, being a push-pull, features additional circuitry housed in a metal container. Finally, we have a mono output jack wired to the master volume pot with coaxial cable.



Shielded Control Cavity

Five-Way Selector Switch

Master Volume Pot

Master Tone Push-Pull Pot

Mono Output Jack


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