Adcom GFR-700HD User Manual

Also see for GFR-700HD: Brochure Specification sheet Quick start guide

Contents

Adcom GFR-700HD User Manual Manual pdf 25 page image

25Chatper 2 - Connectionswww.adcom.com GFR-700HD Owner’s ManualExternal Amplifier ConnectionsThe GFR-700HD’s built-in 5 x 145 watts per channel(EIA/CEA 490-A) amplifier has more than enoughpower for most home applications. Nevertheless, 7.1preamp outputs are provided so you can hook theGFR-700HD up to an even bigger rig (the GFA-7707comes to mind), if desired.More importantly, these preamp outputs can also beused in tandem with the GFR-700HD’s built-in ampli-fier to connect a subwoofer (S) and surround back(RB/LB) speakers.Connecting an Amplifier1 Using eight RCA cables, connect the 7.1 channelpreamp outputs from the GFR-700HD to the cor-responding RCA inputs on your external ampli-fier.• Connect the RF, LF, RS, LS, RB, LB, and Coutputs to the amplifier and the S output toa powered subwoofer.2 If you have a 5.1-channel amplifier, use five RCAcables and omit the RB and LB connections. Con-nect the S output to a powered subwoofer.Connecting Surround Back SpeakersFor full 7.1 surround sound, you’ll want to connectsurround back speakers, which must be connected toan external amplifier.1 Using two RCA cables, connect the RB and LBoutputs from the GFR-700HD to the correspond-ing RCA inputs on your external amplifier.2 Connect your right and left surround back speak-ers to the external amplifier.Connecting a SubwooferThe “.1” in 5.1 and 7.1 stands for the all-importantSubwoofer, also known as an L.F.E., or low-frequencyeffects channel. No home theater would be com-plete without a subwoofer rumbling your listeningarea with thunderous bass.1 Using an RCA cable, connect the S output fromthe GFR-700HD to the corresponding input onyour powered Subwoofer.�� Notes:• To configure your speakers,see pages 37-39.SurroundBack RightOutputSurroundBack LeftOutputSubwooferOutput