This is Tech 21 SansAmp PSA 1.1 for sale. Has few scratches from inserting into the rack but as you can see from the photo preamp is in very good condition and full working order.It comes with power cable, and printed of the internet manual.If you would like to hear a sound sample there is lots of videos on youtube or you more than welcome to come and try it.In a time of every-other-month upgrades, the SansAmp PSA has been modified only once in 21 years, and primarily to add hardware features. This is a powerful testament to the unusual longevity of the SansAmp PSA. Combining a warm, all-analog signal path with digital recall, it offers 49 factory presets of the most recognized vintage and modern tube amp sounds for guitar and bass, and 77 user-definable locations.Considered a staple in professional recording studios, the SansAmp PSA has been used on major releases and worldwide tours for multiple applications and instruments, including horns, vocals and drums. Players, engineers and producers alike find the SansAmp PSA very simple to operate. To program, you just tweak the knobs and save. Parameters are adjusted in real time with traditional analog potentiometers. The digital memory stores the positions of the pots. With 256 incremental steps, each rotary control increases and decreases in a smooth linear fashion. The exceptionally versatile SansAmp PSA-1.1 offers 49 factory presets of the most recognized vintage and modern tube amp sounds for guitar and bass, and 77 user-definable locations. A Universal Output Section enables the signal to be compatible with full range systems as well as guitar/bass speaker cabinets. With the SansAmp PSA-1.1, you can record direct to tape, as well as warm up existing tracks in mixdowns. For live applications, it can be used as a pre-amp, “monster direct box” to P.A. system, and as an outboard processor. I do electric guitar repairs, setup, upgrade...etc...Also I make guitar pickups. Some reproductions of a classic models, some of my own design or I can make them to the specs you want. You can always give me a call on my mobile: 0779988-1535, I'm always happy to provide service or advice.  Visit my shop for the rest of my items maybe you will like some of them.ThanksAndrew