Guitar Musician has a full compliment of power amps and amplifiers by the biggest brand name manufacturers in the music industry. Our lineup includes guitar amps, bass amps, acoustic guitar amps, keyboard amps as well as electric guitar amps and live sound power amplifiers all for the best prices on the net. Famous names like Fender, Peavey, Crate, Marshall, Behringer, Line 6, Roland, Yorkville, SWR, Ampeg, Hiwatt and others.
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$899.00 Drawmer Da6 Balanced Distribution Amplifier "The Drawmer DA-6 is a six channel stereo (or twelve channel mono) distribution amplifier featuring XLR balanced inputs and outputs with optional transformer balancing where remote amplifiers and recorders are fed from separate power supplies. The distri MORE... | $150.26 Electro-Harmonix 44 Magnum 44W Guitar Power Amplifier "The Electro-Harmonix 44 Magnum guitar amp provides 44W of clean and natural power and also delivers true amplifier overdrive at the turn of a knob. From your pocket to the stage, the E-H 44 Magnum is a perfect gigging and practice amp. Despite being desc MORE... | $329.99 Peavey Pv 900 Power Amp "The Peavey PV 900 Power Amp delivers 300 watts per side @ 4 ohms and 450 watts @ 2 ohms. It features Peavey's patented DDT compression system and detented input gain controls, and less than 0.03% distortion. A real workhorse!300 watts per side into 4 ohm MORE... | $1049.99 Peavey Cs 4000 Power Amplifier "The Peavey CS Series Amplifiers are the global standard bearer for workhorse reliability. These rackmount amps benefit from Peavey's most popular audio innovations, including exclusive DDT compression/anticlipping protection. The CS 4000 circuitry protec MORE... |
$349.99 Peavey Ipr 1600 Power Amp "Part of Peavey's IPR Series, the IPR 1600 Power Amp uses an advanced design that allowed Peavey engineers to dramatically reduce weight while increasing output power, reliability, and thermal efficiency. The rackmount power amp has a resonant switch-mode MORE... | $529.99 Qsc Rmx 1450 Power Amp "The QSC RMX 1450 Power Amp combines rugged high-output design with the latest circuit technology to deliver unmatched performance at a breakthrough price. RMX power amps require only 2 rack spaces and feature 1/4"" TRS, XLR, and barrier strip balance inp MORE... | $1099.99 Qsc Plx2502 Professional Power Amplifier "The PLX2502 power amplifier is an excellent choice for users who need to drive up to four loudspeakers from each amplifier channel (2-ohm loading), or when extremely high power bridged mono operation is required. Features built-in subwoofer processing, f MORE... | $1499.99 Qsc Rmx 4050Hd 2-Channel Power Amplifier "The QSC RMX 4050HD 2-Channel Power Amplifier is perfectly suited for a wide range of applications, this heavy-duty model is designed to work as hard into 2-ohm loads as most competing amps will into 4 ohms. With a 3-tier, Class H design, it is extremely MORE... |
$399.99 Behringer Inuke Nu3000dsp Power Amp "Like all the iNuke Series power amplifiers, the iNuke3000DSP pack massive amounts of output power into exceptionally lightweight, rackmountable packages. Behringer's revolutionary high-density Class-D technology combined with ultra-efficient switch-mode MORE... | $269.00 Art Sla1 Studio Power Amplifier "The ART SLA1 Studio Power Amplifier gives you the level of quality needed for your studio monitoring. With a super-wide frequency response (10Hz-40kHz), thermal-dependent cooling system, extremely low-noise electronics, and low-profile single rackspace d MORE... | $199.99 Behringer Inuke Nu1000 Power Amp "Like all the iNUKE Series power amplifiers, the iNUKE NU1000 packs massive amounts of output power into an exceptionally lightweight, rackmountable package. Behringer's revolutionary high-density Class-D technology combined with ultra-efficient switch-mo MORE... | $1049.00 Electro-Voice Q1212 Power Amplifier "The Electro-Voice Q1212 is a rackmountable power amplifier that offers reliable, high-output power, high efficiency, and legendary pro audio performance. It's the premium choice as system drive for a variety of mobile and club sound systems like ZX, Tour MORE... |
$629.00 Peavey Cs 2000 Power Amplifier "The CS Series is the global standard bearer for workhorse reliability. These amps benefit from Peavey's most popular audio innovations, including exclusive DDT compression/anticlipping protection. Circuitry to protect against shorts, improper loads, abru MORE... | $1299.99 Peavey Cs 4080Hz Power Amplifier "The CS Series is the global standard bearer for workhorse reliability. These amps benefit from Peavey's most popular audio innovations, including exclusive DDT compression/anticlipping protection. Circuitry protects against shorts, improper loads, abrupt MORE... | $849.99 Qsc Plx1804 Lightweight Professional Power Amplifier "Featuring the same pro features as the rest of PLX2 Series power amps and plenty of punch. But the PLX1804 comes at a friendlier price for those who don't need bridged or 2-ohm operation. Designed to power one or 2 speakers from each amplifier channel MORE... | $279.00 Rocktron Velocity 100 Power Amp "When power is a concern for your rig, consider Rocktron's Velocity 100 rackmount guitar power amplifier. Designed specifically for guitar, the Velocity 100 achieves perfect tube-like dynamics in a trouble-free solid-state design.This single-space little MORE... |
Power Amplifiers - Practical Uses
One important concept in the age of electronic music is the use of the power amplifier. Amplifiers are needed to send the sound created by an instrument out into the air where an audience or the player can hear it. In order to accomplish this, amplifier systems have been invented. There are dozens of different kinds of amplifier systems, from those found in instruments to those found in stereos and public announcement systems. Specific instruments often have an amp that is designed for them, such as a guitar amp, a bass amp, or a keyboard amp.
One of the big differences in each of these kinds of amps is the power it uses. The power is located in the head of the amp, and the places that generate the power used for the amplification system are known as power amps.
Audio power amps are included in combo amps, along with everything else. The power produced is measured in watts, which is the unit used in many electric functions. The more range or power that is needed, the greater the wattage in the power amplifier. The result might be called a high power amplifier. This is useful to know for those musicians who prefer to design their own amplification systems. There are also several major types of audio power amplifiers. Some of the more commonly used are the stereo power amplifier, the mono power amplifier, the solid state power amplifier and the vacuum tube power amplifier just to name a few.
Measuring the power used by amps can be tricky, as there is not a proportional measurement in the power output and the decibel level (dB). Decibels are used as measurements (for the purpose of music) of acoustics, although they also apply to electric functions. Decibels are very small units, and one decibel is roughly equivalent to the smallest change in sound that a human can perceive.
Simply put, doubling the wattage of the power output in power amps will not double the decibel level. Instead, increasing the wattage by two times will increase the decibel level by 3. This is the case no matter what wattage you are doubling, be it 300W to 600W, or 100W to 200W. It is always constant.
For the musician, the measurement of the power amp is important as it directly relates to how well the instrument will be heard over other systems. Most soundboards will include equalization controls which compensate for electronic instruments which require greater power amps, such as keyboards and even basses. As a mid-range instrument, guitar amplifiers do not require such a high power output. However, levels on the power amp of the amplifier hooked up to the guitar need to be adjusted upwards so that the guitar, including solos and rhythms, can be heard over the other instruments. Often, guitar players find that the power setting should create a +3dB in comparison with the other instruments.
Understanding the function of power amps is essential to musicians who play in bands. The power amplifier is what will produce the electric energy necessary for an instrument such as the guitar to be heard over keyboards and drums, without the instruments drowning each other out. Amps should be purchased according to the style of music that you play, and the venue you play in.
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