Vintage 1970s CMI SG System SG-410 tube amp Gibson USA. Reverb and phase shift work! A bit dusty but otherwise in really decent condition! Feel free to ask for any additional photos or ask me any questions about the amp. I don’t know too much about the amp other than it works great and what Ive read about it in a few chatrooms! The item “Vintage 1970s CMI SG System SG-410 tube amp Gibson USA” is in sale since Monday, July 5, 2021. This item is in the category “Musical Instruments & Gear\Guitars & Basses\Guitar Amplifiers”. The seller is “ritrollma_0″ and is located in Denver, Colorado. This item can’t be shipped, the buyer must pick up the item.

• Brand: CMI
• Number of Speakers: 4
• Model: SG Systems 410
• Country/Region of Manufacture: United States
• Amplifier Type: SG-410
• Suitable For: Electric Guitar
• Product Line: CMI
• Amplifier Technology: Vacuum Tube