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can a 2ohm front speaker setup work with the sc units? Topic is solved

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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CIK7
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can a 2ohm front speaker setup work with the sc units?

Post by CIK7 »

I want to replace the trashy aftermarket Infinity (base model) speakers on the front doors with Skar 6.5 which are 4ohm each. Arent the factory ones 8ohm each to provide 4ohm? Tweeters are Skar 3.5 4ohm. I understand that the FL tweeter is wired with the FL speaker, RL tweeter and speaker, so on so forth. Would the 4ohm tweeter and 4ohm speaker together (2ohm total) make the SC head units unstable? My setup is the sc901 from 01 c70 with 4x50 or 4x75 amp from 98 s70 t5.
95 854 Turbo 258K, auto, current
09 Rav4 Ltd3.5Fwd, red, 208K, current
98 V GLE/SE red, 379k (277k), 5sp, trailer in progress...
05 CRV EX AWD, Navy, 170K/184k, sold
03 Accord 2dr V6 silver, 196K/214K, 6sp, t-boned, sold
98 S GT white, 175K, 5sp, sold
96 964 silver, 146K, diff&trans/engine self-destr, crushed 😭
98 XC black, 151K, flooded&bent rod, crushed
01 V Base white, 168k, traded for XC
09 Impala LT1 gray, 196K, sold for 01

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Clemens
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Post by Clemens »

Since there are basically no 8 ohm speakers available the options are limited. I had been told by an audio guy that the 2 ohm option should work, even though not ideal, unless you crank up the volume really hard.

Btw., there were various speaker setups in various p80 models, some of them had 4 ohm speakers only. This was the case on some base models with no dash speakers. My 94 T5M came with just 2 4 Ohm speakers in the front doors but nothing else.
Summer: 1996 855 R
Winter: 1994 855 T5M
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CIK7
Posts: 1551
Joined: 14 January 2019
Year and Model: 95 854T & V70trailer
Location: Antlers, Oklahoma
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Post by CIK7 »

Clemens wrote: 18 Nov 2021, 14:58 Since there are basically no 8 ohm speakers available the options are limited. I had been told by an audio guy that the 2 ohm option should work, even though not ideal, unless you crank up the volume really hard.

Btw., there were various speaker setups in various p80 models, some of them had 4 ohm speakers only. This was the case on some base models with no dash speakers. My 94 T5M came with just 2 4 Ohm speakers in the front doors but nothing else.
thank you. I am going to get the skars then. both of my v70 base and xc had 8ohm tweeters. Dunno about the speakers. BTW Skar does offer an 8ohm option, at least in their FSX model. But im gonna give the 4ohm fsx a try.
95 854 Turbo 258K, auto, current
09 Rav4 Ltd3.5Fwd, red, 208K, current
98 V GLE/SE red, 379k (277k), 5sp, trailer in progress...
05 CRV EX AWD, Navy, 170K/184k, sold
03 Accord 2dr V6 silver, 196K/214K, 6sp, t-boned, sold
98 S GT white, 175K, 5sp, sold
96 964 silver, 146K, diff&trans/engine self-destr, crushed 😭
98 XC black, 151K, flooded&bent rod, crushed
01 V Base white, 168k, traded for XC
09 Impala LT1 gray, 196K, sold for 01

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