Yamaha A-S500 User Manual

• The IMPEDANCE SELECTOR switch must be set to the appropriate position before connecting speaker sets. See 

page 4 for details.

• Do not let the bare speaker wires touch each other or any metal part of this unit. This could damage this unit and/or the 

speakers.

• Do not connect this unit or other components to the main power until all connections between components are 

complete.

1 Unscrew the knob.
2 Insert one bare wire into the hole in the side 

of each terminal.

3 Tighten the knob to secure the wire.

■ Connecting via banana plug 

Tighten the knob and then insert the banana plug into the 
end of the corresponding terminal.

■ Bi-wire connection

Bi-wire connection separates the woofer from the 
combined midrange and tweeter section. A bi-wire 
compatible speaker has four binding post terminals. These 
two sets of terminals allow the speaker to be split into two 
independent sections. With these connections, the mid and 
high frequency drivers are connected to one set of 
terminals and the low frequency driver to another set of 
terminals.

Connect the other speaker to the other set of terminals in 
the same way.

When making bi-wire connections, set the IMPEDANCE 
SELECTOR switch to HIGH or LOW depending on the 
impedance of your speakers: 
6 

Ω or higher: HIGH

4 

Ω or higher: LOW

See page 4 for more information about the IMPEDANCE 
SELECTOR switch.

When making bi-wire connections, remove the shorting bridges 
or cables on the speaker.

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To use the bi-wire connections, switch the SPEAKERS selector 
to the A+B position.