B&K 4420M - Manuals

Page 4 1. AC fuse holder 5. RCA input (unbalanced) 2. AC Input receptacle 6. Level controls** 3. Speaker outputs 7. Amplifier control muting input/output 4. Balanced Input 1. AC fuse holder - Holds the AC Line fuse. This fuse is an 12 Amp / 250 VoltSlow Blow fuse. Replace with same type and value fu...

Page 7 Five way binding posts are provided. One pair for each channel. They are designed toaccept a banana-type plug or spade lug connector (shown below) and are color codedfor easy identification. The red (+) post should always be connected to the speakers (+)jack. The black (-) post should always ...

Page 8 Unbalanced - RCA type connectors accept line input from the preamplifier’s unbalanced output connectors. There are two input connectors, thatmay be used to connect the amplifier to the preamplifier. RCA cable connector - Operation - For unbalanced operation, ensure the balanced switch between...