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| Speakers https://slantsix.org/forum/viewtopic.php?t=16822 |
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| Author: | Slantedbrain [ Fri Mar 31, 2006 10:09 am ] |
| Post subject: | Speakers |
Does anyone know if the speakers in my '71 would be an 8ohm or a 4 ohm system? |
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| Author: | emsvitil [ Fri Mar 31, 2006 1:54 pm ] |
| Post subject: | |
Just measure them............. |
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| Author: | Slantedbrain [ Fri Mar 31, 2006 5:51 pm ] |
| Post subject: | |
If i had a meter I would, but i don't, so i can't. and i have speakers laying around, Just wondering if i can use them. They're 4 Ohm's and I'd rather not put the wrong kind in and hurt something. |
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| Author: | Avenger2040 [ Fri Mar 31, 2006 8:36 pm ] |
| Post subject: | |
Wow! I´ve never check ohm´s in my original speakers, also, I haven´t check it on my new speakers |
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| Author: | dakight [ Sat Apr 01, 2006 4:30 am ] |
| Post subject: | |
Quote: If i had a meter I would, but i don't, so i can't. and i have speakers laying around, Just wondering if i can use them. They're 4 Ohm's and I'd rather not put the wrong kind in and hurt something.
Using 4 ohm in place pf 8 ohm speakers, or vice versa won't hurt anything. It does have an effect on the output power of the final amp but you are unlikely to hear the difference. As long as they aren't shorted or open they should work fine. Shorted or open speakers can blow the driver circuits in the final amp and that would "hurt something." I think most newer systems have protection circuits but older ones might not.
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| Author: | Slantedbrain [ Sat Apr 01, 2006 5:23 am ] |
| Post subject: | |
Ok then, it'll be nice to listen to something on the way to work again. |
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| Author: | CStryker [ Sat Apr 01, 2006 4:51 pm ] |
| Post subject: | |
Quote:
Using 4 ohm in place pf 8 ohm speakers, or vice versa won't hurt anything.
During the normal service life of most well-built audio gear, that's true. However, running 4 ohm speakers with an amp designed for an 8 ohm load /can/ blow the amp, especially if it's used that way for a continued amount of time. Running 8 ohm speakers on a 4 ohm amp won't hurt the amp, but it's still not recommended.
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| Author: | Avenger2040 [ Sat Apr 01, 2006 8:24 pm ] |
| Post subject: | |
Good thing that all my sound sistem is 8 ohms. (I checked it today) |
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| Author: | Slantedbrain [ Sun Apr 02, 2006 6:53 am ] |
| Post subject: | |
Its the stock AM radio in my '71 so we'll be okay? |
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| Author: | KBB_of_TMC [ Mon Apr 03, 2006 9:25 am ] |
| Post subject: | speaker |
The factory speakers back then were never as low 4 ohm; they would have been 8ohm or higher. The number is the nominal resistance; if you measure it it could be 6.5 or 10. The older the design, the more likely to have used a 16ohm speaker. The '71 factory AM & AM/FM radios definitely used a power transistor driving an impedence matching transformer; while it'll work, at least for awhile, I'd recommend against going to a 4 ohm as it could damage the transformer. So far, I've been unable to find a source of replacement transformers. I just can't remember offhand whether my '71 w/ AM radio came with a 8 or 16 ohm speaker - I'll look the next chance I get. |
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| Author: | Slantedbrain [ Mon Apr 03, 2006 11:20 am ] |
| Post subject: | |
'Kay then. We'll hold off on putting a newer speaker in there. |
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| Author: | KBB_of_TMC [ Tue Apr 04, 2006 4:10 pm ] |
| Post subject: | speaker |
I check my '71 SAMS manuals - it definitely shows that the Mopar speakers of the time were 8 ohms. I couldn't find it in the factory manual. |
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