For sale: API 2500 Legacy Stereo Bus Compressor - Open box, never used, with manual, original box, tab is still attached as you need to pull the tab to connect the battery which hasn't been done as you can see from image 4. API 2500 Legacy Stereo Bus Compressor - API 2520 op-amp, variable threshold between -20 and +10, selectable. Ratio/attack/release times, patented "Thrust" high-pass filter before RMS detector, variable link between left and right. Channels, old "feed back"or new "feed forward" compression, soft, medium or hard knee for easy to sharp. Compression auto or manual gain make up, 1/4 balanced side chain inputs, output clips at +30 dBm.Low starting price of 99p with no reserve. The item "API 2500 Legacy Stereo Bus Compressor Opened and never used (tab intact)" is in sale since Monday, March 1, 2021. This item is in the category "Musical Instruments\Pro Audio Equipment\Signal Processors & Effects". The seller is "rauramedia" and is located in Crewe. This item can be shipped to United Kingdom, Antigua and barbuda, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Japan, New Zealand, China, Israel, Hong Kong, Norway, Malaysia, Mexico, Singapore, South Korea, Switzerland, Thailand, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Dominica, Egypt, Guernsey, Gibraltar, Guadeloupe, Grenada, French guiana, Iceland, Jersey, Jordan, Cambodia, Saint kitts and nevis, Saint lucia, Liechtenstein, Sri lanka, Macao, Monaco, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Turks and caicos islands, Aruba, Saudi arabia, South africa, United arab emirates, Ukraine, Chile, Bahamas, Colombia, Costa rica, Dominican republic, Kuwait, Panama, Qatar, Trinidad and tobago, Uruguay.