Yamaha NS-6900 Owners Manual - Page 2

NS-6900/7900/P7900 CONNECTING TO YOUR AMPLIFIER Always turn off your amplifier before making any connections. ■ Before connecting • Remove the insulation coating at extremity of each speaker cable by twisting the coating off. Note: • Do not let uninsulated bare wires touch each other as this could damage the speaker or the amplifier. • Securely twist the bare wires and lump them together to prevent them causing a short circuit. Good 10-15 mm ■ Connecting the front speaker NS-6900/NS-7900 No Good NS-6900/NS-7900 Loosen Black (-) Tighten Red (+) Bare wire Insulation coating How to connect: 1 Loosen the knob. 2 Insert the bare wire core of the speaker cable into the hole on the terminal. Right Left 3 Tighten the knob to secure the wire. R SURROUND L CENTER R FRONT L Amplifier ■ Connections • Connect the input terminals at the rear of the speakers to the speaker output terminals of the amplifier with the speaker cable. • Connect the (+) terminals on the amplifier and the speakers using one side of the cable. Connect the (-) terminals on both components using the other side of the cable. • Connect one speaker to the left (marked L) terminals of your amplifier, and another speaker to the right (marked R) terminals, making sure not to reverse the polarity (+, -). If one speaker is connected with reversed polarity, the sound will be unnatural and lack bass. ■ Connecting the center/surround speakers Bare wire Insulation coating Push Insert Black (-) Red (+) How to connect: 1 Press and hold the terminal tab. 2 Insert the bare wire core. 3 Release your finger from the tab to allow it to lock securely on the bare wire core. 4 Test the security of the connection by pulling gently on the cable at the terminal. NS-C7900 R SURROUND L CENTER R FRONT L Amplifier NS-E7900 NS-E7900 ■ Using a banana plug 1 Remove the cover by pulling it toward you. 2 Tighten the terminal knob. 3 Simply insert the banana plug into the terminal. Banana plug 3 Cover 2 1 3 Right Left 4 REMOVING THE FRONT COVER OF THE FRONT SPEAKER The front cover is fastened to the enclosure at six points and can be removed if desired. To remove the cover, hold on to both sides and slowly pull straight away from the speaker. To reattach, line up the six holes on the speaker with the six corresponding pegs on the inner surface of the cover and push gently. NS-6900/NS-7900 Note When the cover is removed, take care not to touch the speaker units with your hands or to exert excessive force with tools. SPECIFICATIONS ■ NS-6900 Type...2-way bass reflex speaker system, Magnetically shielded type Driver 16 cm cone woofer x 1, 2.5 cm soft dome tweeter Impedance 6 Ω Frequency Response 34 Hz to 25 kHz Rated Input Power 40 W Maximum Input Power 150 W Sensitivity 87 dB/2.83 V/m Crossover Frequency 4 kHz Dimensions (W x H x D 195 x 980 x 345 mm Weight 16.5 kg ■ NS-7900 Type...2-way bass reflex speaker system, Magnetically shielded type Driver 16 cm cone woofer x 2, 2.5 cm soft dome tweeter Impedance 6 Ω Frequency Response 32 Hz to 25 kHz Rated Input Power 50 W Maximum Input Power 180 W Sensitivity 88 dB/2.83 V/m Crossover Frequency 2 kHz Dimensions (W x H x D 195 x 1020 x 345 mm Weight 17.5 kg ■ NS-P7900 NS-C7900 Type 2-way acoustic suspension speaker system, Magnetically shielded type Driver 8 cm cone woofer x 2, 2.5 cm balanced dome tweeter Impedance 6 Ω Frequency Response 70 Hz to 30 kHz Rated Input Power 25 W Maximum Input Power 100 W Sensitivity 88 dB/2.83 V/m Crossover Frequency 12 kHz Dimensions (W x H x D 395 x 130 x 150 mm Weight 3.3 kg NS-E7900 Type 2-way acoustic suspension speaker system, Magnetically shielded type Driver 8 cm cone woofer x 1, 2.5 cm balanced dome tweeter Impedance 6 Ω Frequency Response 70 Hz to 40 kHz Rated Input Power 20 W Maximum Input Power 80 W Sensitivity 85 dB/2.83 V/m Crossover Frequency 13 kHz Dimensions (W x H x D 130 x 217 x 150 mm Weight 1.9 kg • Specifications subject to change without notice due to product improvements. • Care should be taken not to exceed the input power values noted above. YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, GERMANY YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 V STRA FR LUNDA, SWEDEN YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA