Marantz SC-7S1 SC-7S1 User Manual - Page 10

4. Connections This connection can have options i.e. You may connect the units using either balanced or unbalanced cables to connect your SACD/CD and control Amp. But you can not inter match. Please select either way of connection. Enhance the connection 1 to Bi-Amp connection, and drive the Bass speaker and Mid/High speakers with separate power Amplifiers. s Bi-Amp (connection) The benefits of Bi-Wiring; drive the Bass speaker and Mid/High speakers with separate power Amplifiers. Bi-Amping will lessen the burden of Power Amp impedance, so that back electromotive force between the Low and Mid/High signal can be lessened. We can expect drastic improvement of sound quality. Caution If the Mode switch on the S C-7S1 is set to stereo, then the unbalanced connections must be used. 7