Alesis GuitarFX 24-Bit Multi-FX Guitar Processor

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Full-featured DSP toolbox with incredible-sounding distortion, amplifier modeling, modulation effects, delays and reverbs.

Alesis has introduced its new GuitarFX Processor, a floor multi-effects unit, which puts powerful effects processing technology beneath the feet of guitarists worldwide. GuitarFX is a full-featured DSP toolbox designed to give guitarists incredible-sounding distortion, amplifier modeling, modulation effects, delays and reverbs--all in a compact, easy-to-use pedalboard for stage and studio applications.

GuitarFX's extremely intuitive user interface delivers Alesis' DSP technology in the form of 100 Preset/User programs, taking guitarists from high-gain distortion mayhem to subtle overdriven sounds, modulation effects, lush reverb and more. Each of GuitarFX's 28-bit effects and amplifier models were carefully chosen from Alesis' extensive DSP arsenal, and can be completely customized via simple front panel controls.

Large Increment/Decrement pedals and an expression pedal input make GuitarFX perfectly suited for live use, while a built-in auto-chromatic tuner provides for fast tuning on stage; battery or 9VDC operation means GuitarFX is ready to travel. GuitarFX connections include Guitar input, Stereo Line/Headphone output, and Expression Pedal input.

The GuitarFX is covered by Alesis' full warranty.

Distortion: Acoustic, Tube Clean, Rhythm, Overdrive, Distortion, Blues, Fuzz, Lead, Metal, Stack Drive, Combo Drive

Cabinets: Cab 1, Cab 2, Cab 3

Processing: EQ, Comp/Limiter

Effects:
10 amplifier modeling algorithms, 30 effects, 9 module effects, 8 signal routing options. 80 preset/user programs (8 banks x 10 programs). Wah, Phaser, Tremolo, Ring Mod, Cry, Step Filter, Slow, Attack, Auto Pan, Auto Phase, Flanger, Rotary, Chorus, Pitch, Doubling, Ping Pong, Tape Delay, Stereo Delay, Echo, Hall, Room, Reverse, Plate, Decimate, Bit Reduce

Controls: Effect selector knob, value knob. Increment/decrement/bypass pedals

Display: 2-character LED readout

Input Connector: 1/4 in. mono phone jack

Input levels: -15dBV nominal, +3.5dBV maximum

Max. Input Level: 7.6dBu

Input Impedance: 470kOhm

Output Connector: 1/4 in. stereo phone jack (line and headphone)

Max. Output Level: 1.9dBu w/ 10kHOhm or more load impedance 0.25 dBu w/ 63 Ohm load impedance

Control Input Connector: 1/4 in. stereo phone jack, Tip = 1.5V, Ring = Input, Sleeve = GND

A/D Converter: 20-bit/31.25kHz, 64 times oversampling

D/A Converter: 20-bit/31.25kHz, 128 times oversampling

Sample Rate: 31.25kHz

Internal DSP: 28-bit resolution

Frequency response: 20Hz-15kHz +/- 0.5dB

Signal-to-noise ratio: 80dB (A-weighted)

Distortion: 0.06% THD+N

Power:
Batteries: 4 IEC R6 (size AA) batteries
AC Adapter (sold separately): Alesis P6 - 9VDC (center minus), 300mA

Battery Life: Approximately 30 hours continuous operation with high-drain alkaline batteries

Dimensions (H x W x D): 7.5 in. x 5.5 in. x 1.6 in. (190mm x 140mm x 61mm)

Weight (Without Batteries): 15.7 oz. (445g)

For support or warranty questions, please contact the manufacturer:
Phone: 401-658-5760
Web: https://support.alesis.com

Reviewers gave this product an overall rating of 4.5 out of 5 stars. (57 ratings)
Submitted August 28, 2007 by a customer from hotmail.com

"Damn Good Little DSP Unit"

Overall: 4.5 out of 5 stars
(see rating details)
I like it myself. I don't know why Alesis stopped making it.
Sound
It sounds fine to me. It sounds like the DSP processor that it IS. I read some of the other reviews here, and I don't follow what they're saying. It sounds comparable to Boss and other units that utilize DSP. These people expect it to sound like archaic equipment manufactured in 1969, but if they want that type of scene they should save and buy an original Fuzz Face or whatever. It gets a good MODERN (Emphasizing MODERN) sound for electric guitar, period. I think the chorus and overdrive sound fantastic myself.
Features
It has very good presets. I use the presets, and I get a good sound.
Ease of Use
It uses presets, as stated. There is not much to using presets. You choose a preset, and go with it. It's not the type of thing you program. You select a preset, and work with it.
Quality
It's plastic, but it's also $69. What do you expect for $69? Do you expect it to be built of Titanium or even steel or alunimum for $69, for God's sake? Don't slam your boot down on it, and it won't break. I use it at home, and use Boss pedals when I play shows. It won't break at shows if you are wearing deck shoes and don't have a stomp like godzilla.
Value
Everyone wants the best there is in the world, and then say "I'll give you 5 bucks for it." People make me sick.
The Wow Factor
I like the blue color. At least it's not some sickening silver or something hideous. I think it's sexy, with lots of sex appeal.

Musical Background:

Guitarist for 28 years

Musical Style:

Rock
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