[. . . ] HP6B, HP8B, HP82B, HP88F simple set-up guide thank you for choosing JBL. [. . . ] Speaker Connections Connection Tips Speakers and electronics terminals have corresponding (+) and (­) terminals. It is important to connect both speakers identically: (+) on the speaker to (+) on the amplifier and (­) on the speaker to (­) on the amplifier. Wiring "out of phase" results in thin sound, weak bass and a poor stereo image. RIGHT LEFT ­ + ­ + ­+ RIGHT ­+ LEFT Speaker Outputs Troubleshooting If there is no sound from any of the speakers, check the following: · Receiver/amplifier is on and a source is playing. If there is no sound coming from one speaker, check the following: · Check the "Balance" control on your receiver/amplifier. · Check all wires and connections between receiver/ amplifier and speakers. If the system plays at low volumes but shuts off as volume is increased, check the following: · Check all wires and connections between receiver/ amplifier and speakers. [. . . ] 330990-001 A Harman International Company 5 standards: EN 50 081-1/1992 EN 50 082-1/3. 1995 © Steen Michaelsen JBL Europe A/S Birkerød. [. . . ]