The GCA-30RK/1000 is a rack mount push-pull amplifier producing signals with extremely low distortion and harmonic content. The unit is capable of 135-channel operation from 54MHz to 1000 MHz. The GCA-30RK/1000 may be used in conjunction headend combiners such as the Cabletronix CTHC-12G (12-port) and CTHC-24G (24-port). Key features include: adjustable slope control, adjustable gain control, output test port, and double shielded RFI enclosures.