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Adding pair of loudspeakers to B system (newbie question)
Hi all!
I'm a owner of a Pioneer VSX-609RDS receiver and on the front speaker system A I have a pair of Pioneer S-H510V speakers (8 ohm, 90 dB/W). Now I want to connect one more pair of speakers. These will then be connected to fron speaker system B. My purpose is to have both system A and B activated at the same time i.e. I want to hear sound from both A and B at the same time. If I had understood everything correctly, the speaker pair A and speaker pair B shall have the same rating on BOTH impedance and sensivity in order for them to sound equally "loud". But my big question is what ohm ratings the speakers must have in order to avoid overload the amplifier. Unfortunately the manual isnt good help : "Please use speakers rated between 8 ohm - 16 ohm". What does that means? If only using system A it is obvious, the speakers must be rated between 8 and 16 ohm. But if I add another speaker pair on the system B? I mean, shall I see the speaker system A and B in serial or in parallel?!?! I think I have seen in some NAD manual that A and B seems to be in parallel. Example 1: Assume both A and B speakers are rated as 8 ohm. If A and B is in serial, the total will be 8+8=16 and it is within the range. Example 2: Assume both A and B speakers are rated as 8 ohm. If A and B is in parallel, the total will be 1 / (1/8+1/8) = 4 ohm and we are out of range! So what should my ohm ratings be!?!? Please help me! /Henrik |
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