| Brand | Adpguitarparts |
| Type | Knob |
| MPN | LJ30CR |
It is not about the economic model. This is engraved (on the solder lug) "R1 WSP". Jack Tube Takamine Mono/Stereo Female 1/4" Guitar End Pin Gold EP-4605-002. ADP Guitar Parts. Guitar and bass parts specialist since 2009.