Maps

All about Guitar Amplifiers

Guitar amplifiers are electronic amplifiers designed to be used with electronic musical instruments, such as an electric guitar.

Guitar amplifiers are mainly made in two major forms. The combination (or combo) amplifier has the amplifier head and guitar speakers in a single unit. The amplifier head or amp head contains the electronic circuitry constituting the preamp, built in effects processing, and power amplifier.

In the second form, the amplifier head is detached from the speakers, and joined by cables. The separate amplifier is known as an amplifier head, and is normally located on top of one or more loudspeaker enclosures. This separate amplifier head when placed on top of a guitar speaker enclosure or guitar speaker cabinet forms an amplifier stack or amp stack.

Instrument amplifiers Types

An extensive range of instrument amplifiers can now be used with the electrical guitar. Some are for general purpose and some designed for specific instruments and even for a definite sound. These comprise: Traditional guitar amplifiers which generate a clean, warm sound a sharp treble roll off at 5 kHz or less and bass roll off at 60 to 100 Hz. It has presets with built in reverb and tremolo (vibrato) units.

These types are often used by traditional rock, blues, and country musicians. Chances are that when on higher volume level the sound can get distorted. So to counter higher end bass amplifiers at times include compressor or limiter features, and an XLR DI output to patch the bass signal directly into a mixing board. To keep the bass amplifiers cool they are often provided with external metal heat sinks or fans.

Keyboard amplifiers, have a low distortion rate and also to make things easy for its functioning it has a simple onboard mixer. This assists the keyboardists to control the tone and level of several keyboards.

Acoustic guitar amplifiers are intended solely to produce a clean, transparent, acoustic sound when being used with acoustic instruments with built in transducer pickups and microphones.

In addition to a 1 by 4 inch input jack, some instrument amplifiers bear an additional input jack for inserting microphone. This is known easily as it will use a three pin XLR connector. Conversely, phantom power, which is not a necessary for lower end amplifiers, is often provided with the high end versions, so that musicians can use condenser microphones.

Vacuum tube guitar amplifier circuit is rather uncomplicated. Two triodes are used in the preamplifier section for obtaining a high signal level to implement any tone controls and drive the following sections. Two more triodes split the phase of the signal and drive the final pentode or beam tetrode (kinkless tetrodes) tubes of the push pull power amplifier stage.

Solid state guitar amplifiers commonly have the quickest response time, even more so than modeling amps. Tubes tend to create warm overdrive sounds instead of cutting the peaked signal off. They more or less pull the peaked audio information back (like natural compression) which creates a fuzzy overdrive sound.

Modeling guitar amplifiers are used to simulate sounds of well known cabinets, guitar amps, and effects. Digital processing is done to obtain this, although there are prevalence analog modeling amps as well, like the Tech 21 Sansamp. Modeling amps characteristically output a wide range of tones and effects, and offers cabinet simulation, which aids the recording without a microphone.

About the Author

Victor Epand is an expert consultant for guitars, drums, and synthesizers. You can find the best marketplace for guitars, drums, and synthesizers at these 3 sites: guitars, guitar amplifiers, drums, drum sets, drum kits, and synthesizers, keyboards.

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5.1 HD In-Wall Speaker System (HD-515) w/12 Powered Sub RWSUB12 by Acoustic Audio $298.88 This Acoustic Audio 5.1 channel multi-speaker system features 6 perfectly matched in-wall speakers and one 12 powered home theater subwoofer. The system consist of (2) rectangular 5.25 HD in-wall speakers, (2) round 5.25 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) black 12 powered sub. Each two-way speaker features polypropylene cones with titanium tweeters and butyl rubber surrounds. The powered sub sports an 12 down-firing woofer cone and a 500 watt amplifier. The advanced bass reflex cabinet is equipped with a downward radiating slot port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high/low inputs let you use any receiver or amplifier and its black ash cabinet fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

5.1 HD In-Wall Speaker System (HD-515) w/15 Powered HD Sub HDSUB15B Acoustic Audio $428.88 This Acoustic Audio 5.1 channel multi-speaker system features 6 perfectly matched in-wall speakers and a black 15 powered HD Series subwoofer. The system consist of (2) rectangular 5.25 HD in-wall speakers, (2) round 5.25 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) black 15 high definition powered sub. Each two-way speaker features polypropylene cones with titanium tweeters and butyl rubber surrounds. The HD sub sports an 15 front-firing woofer with a woven Kevlar cone and a 1000 watt amplifier. The advanced bass reflex cabinet is equipped with a rear slotted bass port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high/low inputs let you use any receiver or amplifier and its black ash finish fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

5.1 HD In-Wall Speaker System (HD-515) w/15 Powered HD Sub HDSUB15C Acoustic Audio $428.88 This Acoustic Audio 5.1 channel multi-speaker system features 6 perfectly matched in-wall speakers and a cherry 15 powered HD Series subwoofer. The system consist of (2) rectangular 5.25 HD in-wall speakers, (2) round 5.25 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) cherry 15 high definition powered sub. Each two-way speaker features polypropylene cones with titanium tweeters and butyl rubber surrounds. The HD sub sports an 15 front-firing woofer with a woven Kevlar cone and a 1000 watt amplifier. The advanced bass reflex cabinet is equipped with a rear slotted bass port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high/low inputs let you use any receiver or amplifier and its cherry finish fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

5.1 HD In-Wall Speaker System (HD-515) w/15 Powered HD Sub HDSUB15M Acoustic Audio $428.88 This Acoustic Audio 5.1 channel multi-speaker system features 6 perfectly matched in-wall speakers and a maple 15 powered HD Series subwoofer. The system consist of (2) rectangular 5.25 HD in-wall speakers, (2) round 5.25 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) maple 15 high definition powered sub. Each two-way speaker features polypropylene cones with titanium tweeters and butyl rubber surrounds. The HD sub sports an 15 front-firing woofer with a woven Kevlar cone and a 1000 watt amplifier. The advanced bass reflex cabinet is equipped with a rear slotted bass port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high/low inputs let you use any receiver or amplifier and its maple finish fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

5.1 HD In-Wall Speaker System (HD-515) w/15 Powered Sub RWSUB15 by Acoustic Audio $358.88 This Acoustic Audio 5.1 channel multi-speaker system features 6 perfectly matched in-wall speakers and one 15 powered home theater subwoofer. The system consist of (2) rectangular 5.25 HD in-wall speakers, (2) round 5.25 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) black 15 powered sub. Each two-way speaker features polypropylene cones with titanium tweeters and butyl rubber surrounds. The powered sub sports an 15 down-firing woofer cone and a 600 watt amplifier. The advanced bass reflex cabinet is equipped with a downward radiating slot port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high/low inputs let you use any receiver or amplifier and its black ash cabinet fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

5.1 HD In-Wall Speaker System (HD-515) w/8 Powered Sub RWSUB8 by Acoustic Audio $248.88 This Acoustic Audio 5.1 channel multi-speaker system features 6 perfectly matched in-wall speakers and one 8 powered home theater subwoofer. The system consist of (2) rectangular 5.25 HD in-wall speakers, (2) round 5.25 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) black 8 powered sub. Each two-way speaker features polypropylene cones with titanium tweeters and butyl rubber surrounds. The powered sub sports an 8 down-firing woofer cone and a 300 watt amplifier. The advanced bass reflex cabinet is equipped with a downward radiating slot port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high/low inputs let you use any receiver or amplifier and its black ash cabinet fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

6-Piece 6.5 HD In-Wall Speaker System (HD-516) w/10 Powered Sub (PSW10) by Acoustic Audio $297.77 This Acoustic Audio 5.1 channel multi-speaker system consist of (2) rectangular front 6.5 HD in-wall speakers, (2) round rear 6.5 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) black 10 powered home audio sub. Each two-way speaker features polypropylene cones with soft dome tweeters and butyl rubber surrounds. The powered sub sports an 10 down-firing woofer with a Poly Zirconium cone and has a built-in 400 watt amplifier. The advanced bass reflex cabinet is equipped with a downward radiating slot port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high and low inputs let you use any receiver or amplifier and its black ash cabinet fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.

6-Piece 6.5 HD In-Wall Speaker System (HD-516) w/12 Powered Sub (PSW12) by Acoustic Audio $317.77 This Acoustic Audio 5.1 channel multi-speaker system consist of (2) rectangular front 6.5 HD in-wall speakers, (2) round rear 6.5 HD in-ceiling speakers, (1) center channel HD in-wall speaker, (1) 10 HD in-wall subwoofer, and (1) black 12 powered home audio sub. Each two-way speaker features polypropylene cones with soft dome tweeters and butyl rubber surrounds. The powered sub sports an 12 down-firing woofer with a Poly Zirconium cone and has a built-in 500 watt amplifier. The advanced bass reflex cabinet is equipped with a downward radiating slot port. It has an adjustable gain control and a variable crossover so you can perfectly match the bass response with your speakers. The high and low inputs let you use any receiver or amplifier and its black ash cabinet fits with any decor. This package comes with a non-amplified subwoofer. This subwoofer will need an external amplifier for use.