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Speaker Impedance Question...?
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Topic: | Speaker Impedance Question...? This thread has 11 replies. Displaying all posts. |
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Post 1 made on Tuesday March 26, 2024 at 01:15 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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I want to run 8-ohm speakers on two different amps. One came with 4-ohm speakers. (The 8-ohm speakers just sound better.) The other came with 6-ohm speakers, which are long gone.
I understand that there will be some volume loss, but will such a substitution create a risk to life, limb or property?
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SysTech Larry [Link: knowgod.com] |
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Post 2 made on Tuesday March 26, 2024 at 01:25 |
tomciara Loyal Member |
Joined: Posts: | May 2002 7,967 |
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More details. Model numbers will help. One Set of speakers, two amps? You will need a switch or you will see smoke. [Link: ebay.com]
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There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions. |
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OP | Post 3 made on Tuesday March 26, 2024 at 05:45 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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- Onn ONA13AV503 mini-stereo. Its OEM speakers are rated at 4 ohms. I have two Panasonic [M# SB-555] speakers rated at 8 ohms, 12W.
- Aiwa CX-NAJ20U stereo. Its OEMs are 6 ohms. I have two Sears 2-Way [M# 564.92904551 ?] speakers rated at 8 ohms, 50W.*
*The manual for #2 says the surround-sound speakers can be 8-16 ohms, but I could not hear the vocals when played through there.
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SysTech Larry [Link: knowgod.com] |
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Post 4 made on Tuesday March 26, 2024 at 07:12 |
Brad Humphrey Super Member |
Joined: Posts: | February 2004 2,603 |
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As long as the speakers are at or above the rated ohm load for the speaker outputs of a device you are fine.
Using speakers that have a lower impedance than the rated output of a device = 1) It might work fine because the device can handle a little more load than rated. 2) You will damage the outputs of the device (or it will keep shutting off to try and protect itself).
In your situation, you have 8ohm speakers, so those will work fine on any of those systems.
The Aiwa CX-NAJ20 = It only has stereo outputs (clearly labeled at the bottom). The "Surround-Sound" outputs on the RCA jacks, are a gimmick. Original the system came with 2 little additional speakers that plugged into there - limited bandwidth with a delay/reverb. Those are NOT real speaker outputs you want to use.
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OP | Post 5 made on Tuesday March 26, 2024 at 08:08 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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Thank you for filling in the gaps.
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SysTech Larry [Link: knowgod.com] |
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OP | Post 6 made on Saturday March 30, 2024 at 02:03 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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Follow-up: The 6-ohm system continues to play with no obvious problems.
The 4-ohm system played well enough, but when I turned it off, I could not turn it back on again without leaving it unplugged for a short period of time. That problem went away when I brought back its OEM speakers.
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SysTech Larry [Link: knowgod.com] |
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Post 7 made on Saturday March 30, 2024 at 12:59 |
Brad Humphrey Super Member |
Joined: Posts: | February 2004 2,603 |
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That's weird. But Onn is a Walmart brand and is pretty much bottom of the barrel (Fisher Price, Barbie's First Stereo, etc...). What are the expectations here? Why are you messing with this junk? Just curiosity?
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OP | Post 8 made on Saturday March 30, 2024 at 14:07 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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On March 30, 2024 at 12:59, Brad Humphrey said...
That's weird. But Onn is a Walmart brand and is pretty much bottom of the barrel (Fisher Price, Barbie's First Stereo, etc...). What are the expectations here? Why are you messing with this junk? Just curiosity? My wife wanted music in her work areas (kitchen & laundry). I was just trying to MacGyver what we had on-hand.
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SysTech Larry [Link: knowgod.com] |
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Post 9 made on Sunday March 31, 2024 at 06:16 |
Addition information. The model numbers will be useful.
Amplifiers for two sets of speakers? A switch is required to prevent smoke from visible.
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OP | Post 10 made on Sunday March 31, 2024 at 06:36 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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Post #3 is all the info I have.
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SysTech Larry [Link: knowgod.com] |
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Post 11 made on Tuesday April 9, 2024 at 09:16 |
BobL Founding Member |
Joined: Posts: | March 2002 1,352 |
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You need something like these. [Link: a.co][Link: a.co]
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OP | Post 12 made on Tuesday April 9, 2024 at 21:27 |
SysTech_Larry Regular Member |
Joined: Posts: | September 2023 58 |
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Thank you, but I have two different amplifiers (Aiwa & Onn) and two different pairs of speakers (Panasonic & Sears) available. There is no threat of a cross-connection. To date, the 6-ohm (Aiwa) system is working fine (with the Sears speakers). The 4-ohm (Onn) system had unexplained turn-on issues until I returned to its OEM speakers. Aside from its troubles in turning back on after being turned off, it played well through the Panasonic 8-ohm speakers.
Last edited by SysTech_Larry on April 9, 2024 22:23.
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SysTech Larry [Link: knowgod.com] |
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