infinities will be 3db LOUDER - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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infinities will be 3db LOUDER
Posted by GM (more from GM) on Fri, 16 Nov 2001 23:52:03
In Reply to: Front dash speakers / impediance, Julian Johnston, Thu, 15 Nov 2001 23:48:58
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IF they have the same effeciency!
going from 8 to 4 ohm's theoretically doubles the power output of the amp so 50x4 becomes 100x4. I would also guess the Kappa's are more effecient (usually 90+DB) so you might gain a little bit of volume there to.
I have adcom amps in my 87 & 88 SPG. 40 a channel @ 4 oms for 1 of the amps & the 3 other adcom amps are 75 a channel. All of which are stable below .5 ohms so the 40 becomes, 80, 160, 320 watts at ,5 ohm. While the 75w versions becomes 150, 300, 600w a channel. But I keep them at 4 ohms so the music stays crystal clear :o)
Unless the radio is built by Bose, there won't be a problem & fortunantly saab doesn use their overpriced stuff :o)
posted by 64.108.10...
Posts in this Thread:
- Front dash speakers / impediance, Julian Johnston, Thu, 15 Nov 2001 23:48:58
- Same efficiency, same dB regardless of impedance, MitchN, Sat, 17 Nov 2001 01:10:40
- More, Schu, Mon, 19 Nov 2001 07:49:32
- infinities will be 3db LOUDER, GM, Fri, 16 Nov 2001 23:52:03 <-- Viewing This Message
- Re: Front dash speakers / impediance, Julian Johnston, Fri, 16 Nov 2001 16:34:19
- Re: Front dash speakers / impediance, robin , Fri, 16 Nov 2001 11:55:58
- sound output will be lower by 3dB. n/m, StanleyB, Fri, 16 Nov 2001 04:19:49
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