This vintage amp is made in the United States in 1973. This is an Original not a China clone. Pignose volume knob (adds overdrive) Pre-amp out jack Power is 5 watt. 5 inch speaker. 15,24 x 12,7 x 25,4 Original batteries holder is replaced and uses a 9V one now. This has no effect on the amps sound whatsoever. Original batteries holder will be added. The Amp This is the one that started it all more than thirty years ago. The powerful little Pignose, with that distinctively funky Pignose sound, has been on call in countless recording studios, rehearsal halls, dressing rooms, dorm rooms and backyards around the world since the rockin' seventies. Get tones from clean to pig-filthy with the turn of the coolest volume knob in the world. Studio or performing The Pignose 7-100 sound is so good that many players use it as a preamp in stage and studio performances. This is done by sending the pre amp out signal to a bigger amp or PA (for stage performances) or to the recording console (for recording).