Den stora Thomann Online-Rådgivaren: Guitar Multi FX

4. Features

Multi-FX processors vary widely in terms of the features they offer – here are some of the most common:

Core Effects

By definition, all multi-FX units offer some or all of the most popular effects associated with compact pedals - chorus, flanging, phasing, delay, reverb, tremolo, octaving, pitch shifting and so on.

Amp Simulation/Distortion

Most multi-FX processors begin by building a basic guitar sound. This generally takes the form of a number of amp models and distortion/overdrive programs, similar to those found in compact pedals. The use of distortion and amp simulation can have implications for the way the unit is integrated into a live setup (see ‘Applications’).

Speaker Simulation

At the other end of the signal path, speaker simulation aims to imitate the response of a guitar speaker or ‘cab’, so that a guitar FX unit may be recorded direct, or amplified by connecting to a PA system. So that the same unit may be connected to either a PA system or a guitar amp without reprogramming every sound, speaker simulation is usually controlled globally via a physical switch, although some designs simply incorporate two sets of outputs.

Wah/Volume Controllers

Most effects programs can be pre-set and simply switched on or off. Many multi-FX units also include wah wah however, which requires the inclusion of a continuously variable controller pedal. It may also be possible to assign this to control volume, and there are some units that incorporate both wah and volume pedals.

Noise Gate

Most multi-FX processors operate entirely in the digital domain – the signal is only converted back to analogue at the output stage. This helps to reduce some of the noise associated with a long chain of FX pedals, but any process that faithfully emulates analogue distortion will inevitably introduce an amount of gain, which by definition amplifies any noise present at the input. When cranking up the gain on a real Marshall stack in a live setting, noise is unlikely to be a problem as there is usually a fair amount of competition from other equally loud instruments and the audience! However many players use multi-FX processors to achieve a similar sound at a much lower volume – for example at home – and here any noise is much more likely to be heard. Processors therefore often incorporate a noise gate into high gain programs. If the level of noise is constant, it is relatively much more noticeable between notes than during notes. A noise gate shuts off the signal altogether once it has fallen below a given level. Sometimes, this can sound rather crude if notes are audibly ‘chopped off’ before they have decayed fully, though this effect can be masked by placing other effects such as delay and reverb after the noise gate.

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Guitar Multi FX översikt

Alesis Vortex Wireless 2 Alesis Surge Mesh Kit Adam T5V Subpac M2X Roland R-07 black Yamaha Stagepas 600BT Arturia Minibrute 2 Focal Listen Professional Heritage Audio HA-73 EQ Elite Focal Shape Twin Sound Devices MixPre-3 Yamaha Stagepas 400BT
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Alesis Vortex Wireless 2

Alesis Vortex Wireless 2; USB/MIDI Keytar Controller with Accelerometer; Portable Performance Keyboard with Shoulder Strap, 37 touch sensitive keys with aftertouch; Eight touch sensitive RGB illuminated Performance Pads, Eight illuminated faders for volume or parameter control; Programmable tilt sensor with...

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Alesis Surge Mesh Kit

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Adam T5V

Active Nearfield Monitor Equipped with: 5" woofer and 1.9" U-ART ribbon tweeter, 2x Class-D amplifiers: 50W RMS woofer, 20W RMS tweeter, Frequency range: 45 - 25000 Hz, Crossover frequency: 3 kHz, Maximum input level: 106 dB (1m/pair), Rear bass...

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Subpac M2X

Subpac M2X, Mobile tactile bass system, SubPac adds real depth, connection and enjoyment to whatever you play through it - your music and media comes to life with the added dimension of physical bass. Frequency Response: 1hz-200hz, Wired Input: 3.5mm...

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Roland R-07 black

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Yamaha Stagepas 600BT

Mini-PA System with Bluetooth Function Consisting of 2x passive 2-way boxes and 10-channel power mixers, Power mixers and speaker cables can be stored in the boxes for transportation, Successor of the Stagepas 600i, Including 2 speaker cables, each 6...

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Arturia Minibrute 2

Arturia Minibrute 2; analog semi-modular Synthesizer; Combination of classic and modular Synthesizer; 25 note Keyboard with Aftertouch; Brute-Oscillator; Steiner-Parker-Filter; additional Loop-Envelope; linear FM; Hardsync; two free assignable LFOs; integrated Step Sequencer; Arpeggiator; 48 point Patchbay; Pitch- and Modulation Wheel; Connections:...

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Focal Listen Professional

Headphones Closed, Circumaural, Conversion technology for acoustic transparency and dynamics, Impedance: 32 ohms, Sensitivity (@ 1 kHz - / 1 Vrms): 122 dB SPL, THD (THD, @ 1 kHz / 100 dB SPL): 0.3%, Frequency range: 5 Hz to...

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Heritage Audio HA-73 EQ Elite

Heritage Audio HA-73 EQ Elite; 1-Channel Mic-Preamp wit EQ; based on the 1073; hand wound Carnhill Transformers; 3 stage fully discrete class A mic preamp; max. Gain: 80 dB Mic and 50 dB Line; -20 dB Pad; LO-Z switches the...

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Focal Shape Twin

Active Near Field Monitor Tweeter with low directivity for flexible listening position, Closed design with two passive membranes for easy installation near the wall, 2.5-Way concept for optimal control of the bass and lower mids, Optimal integration through extensive...

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Sound Devices MixPre-3

Sound Devices MixPre-3; portable audio recorder with USB audio interface; 5 tracks: stereo mix + 3 isolated tracks; Kashmir microphone preamp with 76db gain; equivalent Input Noise: 128dBu max (A-weighting, gain=76dB, 150 Ohm source impedance); limiter per channel; low cut...

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Yamaha Stagepas 400BT

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