4 8 ohm speakers wired to 4 ohms is how many watts
The ohm is a measurement of the electric resistance between two points. In a speaker, the ohm is a bad thing. The lower the ohms the less energy it takes to drive the speaker. The less energy, the more you get out of your amps.
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- Can I rewire 4X12 16 Ohm Cab to 8 Ohm?
- What Do Speaker Impedances Mean?
- How to calculate speaker wattage
- How many watts is a 12 inch kicker CVR?
- What's the difference between, 16, 8, 4, etc., ohms?
- Can I hook up 8 ohm speakers to a 4 ohm amplifier?
- Can I Hook Up 8 Ohm Speakers To a 4 Ohm Amplifier?
- How to Hook Up Heads and Cabinets
- Amplitudes: The Mesa Boogie Blog
Can I rewire 4X12 16 Ohm Cab to 8 Ohm?
Welcome, Guest. Please login or register. Home Help Search Login Register. Pages: [ 1 ] Go Down. Author Topic: Speakers in Parallel or Series Read times. I am looking to buy two speakers to put in a cabinet for an 8 ohm load. Check out my blog for more details. Bliss Amplifiers. Quote from: dbishopbliss on February 07, , am. Impedance matching is an important factor.
Usually a mismatch either way is considered OK. No guarantees. If speakers are in series and one blows, the whole cab is "dead"; so the amp has no load. This could harm the amp. If speakers are in parallel and one blows, the amp still has a load. With identical speakers in series matched to the OT secondary: they equally divide-up the drive voltage from the amp.
Sounds like two 16 ohm in parallel that is what I meant to type above is the way to go. Agreed, so long as you have that as a happy option.
Quote from: jjasilli on February 07, , pm. If the OP expects the same total impedance from 2 identical speakers wired either in series or parallel, the total power will be the same considering all other factors are equal. This is a compound statement which is confusing: if 2 speakers are identical they will not present the same impedance if wired in series vs. It would be helpful to "unpack" the compound statement.
You'd get -3dB when you put each speaker in a separate room. Not applicable. Series: At any specific frequency, a speaker's impedance presents as a fixed resistance to that frequency. Let's use Hz; and the amp wants to see an 8 Ohm load. At Hz each nominal 4 Ohm speaker presents as a 4 Ohm resistor, for a total 8 Ohm load. I presume the OP meant to ask the following question, slightly refrased "Should I buy two 4 ohm speakers and wire them in series or should I get two 16 ohm speakers and wire them parallel, either way I will have an 8 ohm impedance connected to the amp.
What's the difference in sound? Maybe not, I know next to nothing about speakers. Your statement confused me but maybe it wasn't even replied to the exact same question, as the OP made an error initially. I did not intend to directly assault your post, just want to avoid confusion Quote from: jjasilli on February 14, , pm. Quote from: jjasilli on February 14, , pm.
Speaker "sensitivity", which produces SPL, is governed solely by volts, not watts. Watts are important for a different reason - to make sure the amp has enough power to meet the speaker load demand. Think of the height of a sine wave. The trace of the curve is volts on the y-axis time or frequency on the x-axis.
If you run an amp into an 8 Ohm speaker load, and feed it 2. So the same 1W is dissipated. But ea 16 Ohm speaker in parallel gets a full compliment of 2. E lectrically , 2X 16 Ohm speakers in parallel, are the equivalent of 1X 8 Ohm speaker at full voltage. Electrically we have a dB situation.
Quote from: jjasilli on February 18, , pm. Quote from: arno on February 13, , pm. Quote from: sluckey on February 18, , pm. I'm not making different arguments. I'm re-stating the same concepts in different ways.
Your error is in confusing speaker dissipation in Watts with amp output power in Watts: 2. This is wrong , because amp output power in Watts has not changed. The amp is still putting out the same 1W into 8 Ohms. What has changed is the voltage seen by ea 4 Ohm speaker.
If we feed 2. But there are 2 speakers. That's down 3dB from dB. Bare voltage is a red herring. The point in contention is the resulting SPL of the speaker configurations.
A speaker cannot be driven without Power. The 2 positions can be reconciled as to the net dB of 2X 4 Ohm in series vs. The devil is in the detail of how literal the meaning of 1W 1M is. This is the nominal standard at which SPL is measured. However in reality 2.
Here again, 2. In that case, the 4 Ohm speaker is more sensitive than the 8 Ohm speaker, because it puts out SPL with a mere 2V input; while the 8 Ohm speaker requires 2. EDIT: i. This violates the Given Condition of our discussion that the speakers be identical except for their impedance rating.
If they have different sensitivities , then they are not otherwise identical. This entirely accounts for the differences in our respective calculations of the resulting SPL. Are you using different voltages for ea impedance rating to literally achieve 1W? Or, are you using 2. Thank-you for your attention to this request!
So they contacted their factory in Italy, then just gave this response: John, We got lucky and the guys were wrapping up the day in Italy and got us an answer already. We are using different voltages for each impedance rating. We use the nominal impedance to calculate the reference voltage: 2.
Thought this might be interesting info. The best is parallel. If you want a detailed answer I will give do so. Pages: [ 1 ] Go Up. SMF 2. Mobile Device Catalog Link. Yard Sale Discontinued. What's New. Board Building Parts. Amp trim Handles. Lamps Diodes. Hoffman Turret Boards. Channel Switching. Fender Eyelet Boards. Misc Eyelet Boards. Custom Boards. Tubes Valves. Pots Knobs. Tube Sockets. Wire Cable. Tube Amp Library.
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What Do Speaker Impedances Mean?
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How to calculate speaker wattage
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How many watts is a 12 inch kicker CVR?
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What's the difference between, 16, 8, 4, etc., ohms?
User Name Stay logged in? I am working on replacing an old sould system for a very large skating rink and am trying to decide on which amps and speakers i should purchase. I am probally going to replace the 4Ohm large speakers with multiple Yamaha 8 Ohm speakers that I can position in more directions for better coverage. My main question is whether or not I should buy smaller amps and run each channel to 1 watt 8 Ohm speaker or purchase larger amps and run 4 8 Ohm speakers on 1 channel at a 2 Ohm load giving me w per speaker. Would running in a 2 Ohm load be bad for amps and speakers if the power is rated perfect or should I stay away from running a 2 Ohm load? Find More Posts by apexdjs.
Can I hook up 8 ohm speakers to a 4 ohm amplifier?
Hooking up a bass head to a bass cabinet, or group of cabinets, is often a confusing topic. Most of us musicians just want to play music. But, this is the price we pay for playing electric instruments. Though instrument cables used between your bass and amp input look similar, they are not. Speaker cables are thicker. Gauge numbers can be confusing. The thicker the cable, the lower the number.
Can I Hook Up 8 Ohm Speakers To a 4 Ohm Amplifier?
I'm playing folk music in a coffee shop. How much amplifier power do I need? Our rock group will be playing in a seat concert hall.
How to Hook Up Heads and Cabinets
RELATED VIDEO: How Many Watts Is A 4 Ohm Speaker?Log in or Sign up. I just got myself a Sound Blaster Z card to replace my onboard audio for better audio quality and mostly for the ASIO driver support to get back in to Music Production after 10 years of stopping.. My problem or confusion that i need help on is about my amp and speakers ohms ratings. The Amp recommends to use speakers with an impedance of 8 to 16 ohm when operating the unit in 8ohm operation mode which is the default. The amp also has a setting to change the operating mode to 6ohms when using speakers less than 8ohms and in this mode the speaker impedance must be 6 to 8ohm.
Amplitudes: The Mesa Boogie Blog
Log in or Sign up. Marshall Amp Forum. It would solve a LOT of problems if I could. I imagine I can. I'd rather stick with 8. Probably not if they are all ohm speakers. Micky , Jan 24,
We use affiliate links and may receive a small commission on purchases. Read more about us. Speakers and amps should go together like peanut butter and jelly. When you're matching a good speaker with a good amp, it's all about synergy.
In my opinion, it is a mistake.
Listen, let's not spend more time for it.
This topic is simply matchless :), it is interesting to me.
A very useful idea