the emi tg12414 filter (high pass/low pass) module was custom made by emi for uk’s world famous, abbey road studios. the filter module was used in abbey road recording and mastering consoles from the late 60's. these are the same modules used in mastering the beatles and led zeppelin albums. the module is in great condition. no tampering or modifications. original state. terms of sale: “as is condition”. price for a single module. no refund. all payments must be made via paypal, allowing 4 business days for receipt by seller’s bank before unit can be shipped to buyer. buyers shall bare all cost of shipping and handling.