Tech Tip: Wattage, Speaker Efficiency, and Amplifier “Loudness”

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Q3 What is the impedance when I combine two eight ohm cabinets? It can be done, but it will cause a mismatch of levels. This is not recommended.

They even connect to other combo amps. They can also function effectively with all kinds of different pedals, guitars, or other instruments. There are other accessories and pieces of gear to consider.

The OC As Roger said, this is generally not a good idea. It can work but you have to be very careful. You can use a switch, but you’ll have to be very careful to make sure you never switch it when the amps are powered up. Also you must be aware that having a switch in the line between an amp and a speaker is not a good idea. A switch can have resistance and it’s contacts can pit and oxidize over time. The more current that runs through them, the more likely this is.

That said, many receivers have built in speaker switches, but mainly these are lower powered receivers and not fussy higher end amplifiers. If you never flip the switch when the amps are on, you’ll lessen the possiblity of arcing and pitting. A switch has no polarity, so it doesn’t care if you’re switching speakers or amps. A speaker switch can function just fine as an amplifier switch. There are another few things to consider. Many amps are not happy being powered without a load. Even if you power down your amps before throwing the switch, you should only have one amp on at a time.

Also some switches don’t ‘break’ before ‘making’ the alternate connection.

Connecting 4-ohm Speakers to an 8-ohm Receiver

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Nov 20,  · The idea is two separate volume knobs to control a “Tweed” side and a “Plexi” side. So you can blend the tones of a Tweed and Plexi. (or just run one or the other) The overdrive is achieved by cranking the amp for power tube distortion.

It shows on the picture by the two AC outputs 7 and 8. I cannot find a download for the manual so I cannot confirm that both of these AC outputs are milliamps but this is what it looks like from the data on their website. Will this damage the unit? The amp comes with FX loop but currently my new setup is running everything upfront. I only want to gate my drive pedals and vibe. The pedals in use are as below: You want to set up a loop with the G String as follows: The output will drive your Strymon and Dyna Verb without any truncation of the delay or reverb and the output of these effects will feed the input of your amplifier.

And to switch between just distortion to just preamp, do I have to hit two buttons or does turning off distortion automatically engage preamp? The Distortion channel and a Preamp channel. Both have a full EQ section so you can use the THETA as both your clean channel by using the Preamp section for your clean tone and then use the Distortion channel for your high gain distortion tone.

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Carlos Almeida Thread Starter Member Jan 15, 0 Hi Everyone again , I have a question that Google doesn’t seem to be able to reply despite my intensive searches, so since everyone here has been tremendously helpful in my other two threads, I will once again rely on your knowledge to help me figure some things out. As always, my budget is tight, my Electronics knowledge is not very extensive but with 1h or so of researching a specific subject I’m capable of understanding enough to engage myself in a discussion and although I have good soldering skills for minor things, my understanding of circuits schematics is very limited, so reading one is kind of like reading Spanish I’m Portuguese, so I can understand the majority of it but the probabilities of making a bad interpretation is very high.

I have 2 two 4 ohm speakers that I want to connect to the Amplifier s , for testing purpose I’ve assembled one amplifier in Stereo with both 4ohm speakers, the amplifier runs smoothly with lower volumes but as expected starts to warm up when the sound is raised, so this is an option that I’ve discarded. Create a Stereo system using both amplifiers, each amplifier Mono bridged to one 4ohm speaker, and the input sound coming from one single 3pin audio source.

Jun 20,  · It sounds like you want affirmation, not advice. You’ve got pretty good answers to your questions both here and from Cerwin Vega!. If the company who made all the speakers involved and the amp recommends against it, but you think your friend knows better, well, hey, it’s your call. Do what you .

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How do I Wire RCA Cable for Multiple Amps?

I believe if you swap the hot in this configuration, a standard outlet tester will indicate the error. Many people faced with a two-prong outlet will use an adapter that leaves them with an open ground. If an appliance plugged in there has a hot-ground short, the appliance exterior will become hot rather than tripping the breaker.

If you wire ground to neutral such a faulty appliance will at least trip the breaker. Given that faulty appliances seem to me to be likely more common than a break in the neutral wire in the wall, it seems like ground-to-neutral is at least an improvement over open ground. Remember that the “neutral” the grounded conductor is absolutely a conductor and carries exactly as much current as the “hot” wire.

Jan 09,  · My friend uses this set up, with a fender valve, and an orange. The fender has got a clean reverb sound, and the orange puts out a crunch. The trick to it is that you need to put a stereo signal splitter in the chain, just before the amps.

See More Back When you’re rocking out on an electric guitar, you need an amp – plain and simple. Even if it’s an acoustic-electric model, an amp will give you the power you need to reach every corner of a venue. And let’s face it, your electric guitar can only sound as good as the amplifier it’s plugged into, so investing in a quality amplifier is a must.

This section focuses on a single kind of amp: A combo guitar amp negates the need to pick and choose various head and speaker configurations, and since it’s an all-in-one piece of gear, it is compact and easier to transport, making it a great option for travelling musicians. In the world of guitar combo amps there are two main categories – tube and solid-state amplifiers. While every musician has a different opinion on each type, they both have their own specific strengths that make them stand out.

This amp is packed with analog solid-state circuitry that gives it the tonal clarity and definition guitarists have come to rely on when they take the stage at live shows. Giving you the choice between clean and dirty channels, the Crush Pro CR60C opens up a ton of possibilities in terms of both over-driven and softer sounds.

half stack vs combos? technical and audible differences

I did try this recently with the AV amp The volume control on the AV amp is suppose to control the level on the remote amp, otherwise, how could you ever keep the system balanced? Consider this, if you use a power only amp with the AV amp, what controls the volume on the power-only amp. Well, the only volume control available is on the AV amp. Now if you use an AV amp and an integrated stereo amp, you have two volume controls.

You start with the stereo amp set to zero.

Aug 30,  · You can normally connect any combination of quantity of inputs together, but the real, and it is very real, risk comes from trying to connect OUTPUT together. Outputs both source and sink current. Consequently, it is possible for one output to see the other output as a dead short, and that won’t be good for either amp.

Find a similar product below or contact us for a recommendation of a great alternative. Perfect for practice, home recording, or small club gigs, the Bugera V22 is a loud lad that channels its mojo from 2 EL84 power tubes. These give it the bratty, breakup-prone power amp compression-especially in the its triode mode-its 6L6GC-equipped siblings can only achieve at high volumes. The Bugera V22 gives you everything that antique amps deliver-without the bloated price tags.

Don’t be fooled, though; the V22 tube amp packs a special feature that makes it much more than a tribute to the early days of guitar amplification. To explain, we must take a quick step back in time. Before greasy juvenile delinquents hijacked the blues, guitar amps generally came in 2 species: Triode valves, which came before pentodes, provide what a lot of guitarists describe as a “gentler” tone.

Pentodes, on the other hand, are decidedly more “in-your-face. This Bugera amp includes a Mode switch for you to operate the power section as if it had triode tubes-at roughly 40 percent less power.

Do you recommend hooking up 4 speakers in a two channel stereo?

Today i built the socket into the back of my Fender Sidekick Reverb 65 combo amp, soldered the internal speaker wires to one side of the Cliff socket and soldered a pair of new speaker wires to the other side of the Cliff socket, connected the wire clips to the speaker and i was ready to go. First i tried the combo amp stand alone and everything worked fine as before.

Then i turned of the combo amp, unplugged the power cable, put a speaker cable in the Cliff socket and connected it to the external speaker output of my Vox Pathfinder 15R. I plugged in my guitar and turned on the power of the Pathfinder, turned up the volume; no sound! What did i do wrong?

The hazards involved when running multiple amplifiers together can be potentially life-threatening, so when in doubt, don’t hesitate to call a local professional for assistance in setting up your multi-amp rig.

A s-era Valvo combo amp. Fender Deluxe In the s, it was very hard for a musician playing a pickup-equipped guitar to find an amplifier and speaker to make their instrument louder as the only speakers that could be bought were “radio horns of limited frequency range and low acoustic output”. The cone speaker, widely used in s-era amp cabinets, was not offered for sale until The first amplifiers and speakers could only be powered with large batteries, which made them heavy and hard to carry around.

When engineers developed the first AC mains -powered amplifiers, they were soon used to make musical instruments louder. Engineers invented the first loud, powerful amplifier and speaker systems for public address systems and movie theaters.


And, bass amp rigs, as they are called, can be purchased in several different configurations. In this bass gear article, I will explain to you the main components of bass amps and the ways you need to combine them. In other articles I will go into more detail about each bass amp component. The bass amp head, or head, is the part housing all the main electronic components of the bass amplifier. The head is the part of the amp into which you plug your bass guitar.

For beginners, a combo amp is usually the way to go, since they combine the amp circuitry and the speaker together into one unit. You can even find some pre-made amp stacks here, like the Line 6 Spider IV HD W and 4×12 Guitar Half Stack, to save you the legwork of shopping for both parts separately. and together with a good amp.

Continuing in Mesa’s tradition of innovation, the dual rectifier amplifier offers three different channels and a unique multi-watt power system. The system allows every channel to be independently set at 50 or watts. Each channel has different modes and can be toggled for an incredible breadth of voicings. The voicings range from clean and modern gains to earthy and raw timbres. The amp offers an amazing range overall, and it can be cranked up to watts.

The Mesa Boogie guitar amp is engineered exclusively for high-voltage performers looking to get it all in one device. Taking in the front view of the Mesa Boogie Dual Rectifier amp head, you can see an array of controls, including the power and standby switches. There are two rows of knobs that control two different channels. These affect various features such as master volume, presence, bass, mid, treble, and gain settings.

The gain setting goes from a clean, unsaturated, and bright effect to an overdriven, saturated, and warm tone. The EQ parameters give you a masterful ability to shape your tone however you like. The Loop Active Master knob works with the effects loop on the back of the amp.

Guide to hooking up two guitar amps together