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confused with specs (1 Viewer)

Giob

Grip
Joined
Feb 8, 2004
Messages
21
In doing research to shop for a receiver got me a little confused. I was looking at Yamaha RX-450. One spec sheet says: 6.1-Channel,750W Powerful Surround Sound (125W x 6) while another sheet (both are from the yahama site) says: 6.1-Channel, 510W Powerful Surround Sound (85W x 6).

Same with the Onkyo TXSR-502. One says: "You¡¯ll enjoy crisp, clear sound with 75-watts of power running to each channel." While another one from onkyo says:

Power Output
Front L/R -> 115 W + 115 W (6 §Ù, 1 kHz, JEITA)
Center -> 115 W (6 §Ù, 1 kHz, JEITA)
Surround L/R -> 115 W + 115 W (6 §Ù, 1 kHz, JEITA)
Surround Back -> 115 W (6 §Ù, 1 kHz, JEITA)
Dynamic Power -> 160 W + 160 W (3 §Ù, Front)
125 W + 125 W (4 §Ù, Front)
85 W + 85 W (8 §Ù, Front)
THD (Total Harmonic Distortion) .... 0.08 % (Rated Power)

So which is the "truer" specs?

Thanks
 

FeisalK

Screenwriter
Joined
May 1, 2003
Messages
1,245
chances are the lower Watts one is more accurate :)

Higher one is usually into 6Ω and measured at 1KHz which means if you listen to a 1KHz sine wave all the time, you should grab that receiver.

IMO the most believable specs will/should say

xxxWatts into 8Ω (or 6Ω ) 20Hz - 20KHz, all channels driven

Of course they wont say this - you'll probably see 20W or something not much more... :)
 

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