Thank you very much for viewing. This is a Maxon GE-601 graphic equalizer. It's from a late 1970s LOT serial number. I have kept it as part of my collection, but I'm now selling it. I used it indoors for about 2 hours. ------------- ------------- - Model Name: GE-601 - Type: Graphic Equalizer - Input Voltage: DC 9V - Color: Blue - Output: OUTPUT - Input: INPUT - Frequency Bands: 100, 200, 400, 800, 1600, 3200 Hz ------------------- ------------------- ------------------- I will strive for a quick and courteous transaction. Please feel free to ask if you have any questions. ------------------- ------------------- ------------------- GE601 MAXON Retail Price: ¥14500 #MAXON #GE601