Guitar speakers wired in parallel with parallel outlets
It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I have combo amp with a 12 inch speaker that runs at 8 Ohms. I have a 1x12 cabinet that runs at 16 Ohms. I would like to use the combo amp speaker and the cabinet at the same time. The combo amp has two 4 Ohm, two 8 Ohm, and a single 16 Ohm output.
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What does it mean when speakers are wired in "parallel"?
Amplifiers are generally designed to operate clean, and most manufacturers specify the output power as clean power. When you run the amp full blast, the output devices actually become more efficient because distortion is not considered. Be aware of that when choosing an attenuator, because the idea of using an attenuator is to run the amp full blast and if not full blast, then still in the danger zone into power tube distortion and then controlling the level going to the speaker.
For instance, if you are going to crank a 50 watt amp, you should choose a watt attenuator. Similarly, if you are going to crank a w amp, you should choose a attenuator. If you have a high-gain amp or use heavy distortion, please read the important information at the bottom of the page.
Our MASS attenuators use an actual moving speaker motor for the load, and our Load Dumps are purely resistive like all of the other attenuators on the market. All MASS products use an actual moving speaker motor for the load and are more interactive with the output circuit of the amp, thus providing a more realistic load to the amp.
We believe our attenuators are the most transparent on the market. We feel that any tone loss is minimal, and that it is more a function of how your ear perceives sounds at lower volumes, rather than the device actually eliminating frequencies.
That is why our attenuators have treble compensation controls. You should use speaker cable only, and short cables work best to prevent signal loss. You should plug your guitar into the input of your amp, or through pedals, or however you normally have it.
Using an attenuator does not change where you plug in your guitar. It is the same as a true bypass on an effects pedal. It has the effect of extending the range of the main speaker control.
The fixed amount of attenuation depends on the impedance of the amp and speaker, but is typically 6db. The Range Switch is really the difference between coarse-tuning and fine-tuning. In other words, if you are only attenuating a little bit, you might find you have better control in the High range setting. If you are attenuating down to much quieter volumes, you might find you have better control on the Low range retting. The two speaker output jacks are in parallel.
Feel free to experiment with different impedance speakers, cabinets, etc. There will be some heating because we use a combination of power resistors, wirewound rheostats, and a speaker motor in the attenuators. Our attenuators use rheostats to control the attenuation and distribute the power to the speaker motor or other load and the speaker.
Rheostats are made of vitreous ceramic, nichrome wire like your toaster , and are coated with a hard coat epoxy paint. Therefore, when new, rheostats can emit a slight smell and even a little smoke until the rheostats are aged.
This is normal and not an issue. The smell and smoke will subside after two or three hours of use. Adhesives are also employed to mount certain heat dissipating devices in the enclosure. They too will emit a slight smell when new. You need to use speaker cable only. I would not go over 4ft for the cable length. If you get feedback or squealing from the speakers, you may need to relocate the attenuator and use shorter cables.
For the Line Out, you will want to use instrument cable. Since heat rises, I would either locate the attenuator in the top position of the rack, or in a lower position that has an empty space above it. On our attenuators that have two or three knobs for adjusting the highs and lows, it would be very difficult and impractical to implement an impedance switch.
Because impedance varies with frequency, and we are splitting the frequencies into two components high and low a global impedance switch would actually interfere with the tone-shaping function. The unit is designed around an 8 ohm speaker motor, but with all the components of the unit working together, it is safe to use on 4 8 or 16 ohm amps. When choosing an attenuator for multiple amps, you should pick one that can easily handle the highest power level of amp that you have.
Our attenuators do not have sonic differences that come along with higher power ratings, so it is fine to use a w attenuator on a 30w amp, for instance.
In other words, a 50w attenuator will sound the same as a w attenuator on smaller amps. Well, the design of the attenuator is such that it would be harmful to your amp if the signal were to completely short to ground the way a normal volume control is at 0. This means even with the volume set at 0, you may still hear a tiny bit of signal.
The solution is that when you have it turned all the way down to 0, you can unplug the speaker. We have found that cleaner tones tend to sound better through headphones. When you think about what a speaker does — it moves air which your brain then interprets as sound. The speaker in the amp is far bigger than the speakers in the headphones, so there is an ingredient of air movement that is necessarily missing. So cleaner tones sound better. Take this scenario for instance: You play both rhythm and lead parts, and say you want to have it louder for lead parts.
You set your amp to the lead volume, and then use the attenuator to set your rhythm volume. Then you can use the footswitch to change between them. Many players have expressed confusion about this, so please be sure this applies to you. This is for heavily distorted playing. If you do not play with heavy distortion, you do not need to read this part.
Err on the side of caution. High gain amps such as Marshall or clones are hard on attenuators. Many amps can reach full power at 3 or 4 on the volume dial, so it is a good suggestion to get an attenuator with 4x the power handling. For example, if you have a 50w high gain amp, you should opt for the MASS If you have a w amp, you should still go with the MASS but you should not crank the amp.
We are eager to help! Skip to content. And it applies to players whose tone is very heavy and distorted. The Mass is the biggest one we make.
Legendary Tones
Exact fit and replacement. For the plug, see the P plug below. Uses the F-CAP, above not included - sold separately. For cable up to 0. Part PMX.
Speaker wire
We are constantly trying to add new content on our website to try and help the struggling and novice musicians with their PA system. If you would like to contribute or be a writer for Seismic Audio Tech Help pages, please contact us at the bottom of the page. If you have any questions that are not listed here, feel free to give us a call. Just because a pa speaker may be rated at watts, doesn't mean you have to have a watt amplifier to push it. It doesn't matter if you use a watt amp or a watt amp, as long as you are careful not to distort the speaker. Distortion is usually what will cause damage. That being said, if you are using a watt amplifier and cranking it to the max, you may be clipping the amp causing distortion. Although the speaker may be capable of handling watts, you could blow it by sending too much distortion through it. On the other side of that, you can overdrive a speaker with too much power ex.
Wiring a 2 X 12 Speaker cabinet
Speaker Y Cables. Our Power Y speaker cables are the most rugged, well built and best sounding speaker Y cables available. Originally designed to work with Dr Z amps our Y cables are well thought out and designed to meeting the needs of demanding touring professionals. I cannot tell you how many times customers write to us complimenting us on the "tank" like construction of these cables. The Power Y speaker cable will work with any amp that has a single speaker output that you want to send to two different speaker sources, including combo cabs!
Amplitudes: The Mesa Boogie Blog
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The Speaker Wiring Diagram And Connection Guide – The Basics You Need To Know
Javascript is disabled on your browser. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. Written by Logan Tabor. Welcome back, everyone! This week on Make It Monday, we are going to go over how to wire up a 1x12 and 2x12 extension cabinet wiring harness. This is a straightforward and simple project that will get you soldering, clipping wires, crimping terminals, and wiring up your own cabinets. Tools and Supplies Before we dive in, let's go over the tools and supplies we will be working with today Refer to Image 1A below. We are using a Switchcraft J11 mono output jack, so we need one of those.
Why Do Speakers Have 4 Terminals? (2 Minute Read)
Amplifiers are generally designed to operate clean, and most manufacturers specify the output power as clean power. When you run the amp full blast, the output devices actually become more efficient because distortion is not considered. Be aware of that when choosing an attenuator, because the idea of using an attenuator is to run the amp full blast and if not full blast, then still in the danger zone into power tube distortion and then controlling the level going to the speaker.
Click on the image to enlarge it or click here for the Adobe. The resistance value comes from a long coil of wire inside each speaker called a voice coil. A voice coil is a coil of wire that, when placed inside a magnetic field, makes the speaker move and produce sound when driven by an amplifier. Speakers contain a long wound loop of wire called a voice coil.
The speaker ohm rating is an indication of the speaker's AC impedance, which varies with the frequency of the input signal. This variation of the speaker's impedance can be seen on the speaker's spec sheet impedance curve. This is why the spec sheet indicates this speaker to have an 8 ohm "nominal impedance. Most of the speakers are available in alternative ohm ratings usually 4, 8 an 16 ohm versions. This variety allows for more flexibility in matching the overall equivalent impedance of your speaker s to the output impedance of the amplifier. It is important that the output impedance of your amplifier matches the overall equivalent impedance of your speaker s for maximum power transfer and so that you do not damage the amplifier. When using more than one speaker with your amp the equivalent overall impedance changes depending on how the speakers are wired.
You have selected the. And it's a great question because it's extremely important to make sure that, 1 a cabinet or speaker load of some kind is connected to your tube amp at all times, and 2 connecting multiple cabs correctly is absolutely crucial for proper, safe operation of your amp. Correct speaker connections will maintain the tone of your amp and ensures the tube and amplifier reliability you expect. There's no easy way to explain 'the why' behind the correct connections although we'll take a stab at it in a later post , BUT
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