Fender Pro Junior IV LTD SG back and sides to vibrate

back and sides to vibrate freely as one unified piece

and then use the SPKR VOL to set your personal speaker level without changing the SIG OUT level

The controls are very interactive with each other

& behind tailpiece (see pic)

Model Name

Fender Pro Junior IV LTD SG back and sides to vibrateLocal Pickup Only FEATURES 15 watts Jensen 10" P10R speaker Volume circuit modified for more gradual breakup Tighter bass response when overdriven Lacquered tweed covering; vintage style '50s grille cloth; leather handle Chrome control panel with vintage style red jewel light https: www. fender. com en US guitar amplifiers vintage pro tube pro junior iv 2231300000. html