Vintage U.S. Army Signal Corps Tube Amplifier AM-864/U Audio Compressor By Federal Television Corporation $899VINTAGEKING.COM SITE " Since the inception of the Vintage King Tech Shop, we've seen more than our fair share of unique items come through our doors. One of our favorites in that time has become the AM-864 broadcast peak limiter, which is a compelling mixture of both pro audio technology and American history.""Created by the Federal Television Corp., the production of the ...AM-864 started in 1954 and lasted for around a decade or so. The AM-684 was primarily used by the US Army and US Air Force during the Korean War, as the broadcast limiter was the last piece of gear in a audio chain before the broadcast transmitter. In terms of its use in the recording studio, the AM-864 has become a popular compression tool utilized by many top producers and engineers, in addition to a being viable option as a mic-pre when used with other dynamic gear." UNTESTED AND SOLD AS PICTURED, AS DESCRIBED IN AS IS CONDITIONEMAILS WELCOMEI WILL BE LISTING A SECOND AM864U IN THE NEXT WEEK OR SO.