APHEX EXCITER PDF

Currently there are models for acoustic guitar, electric guitar and bass, all housed in similarly-styled but differently coloured cast metal cases. Power can come from batteries or an external power adaptor optional and the output is available on both unbalanced jack at instrument level and balanced XLR connector with a ground-lift switch. The XLR output is designed to feed a balanced mic preamp, such as a mixer. This DI output has a switch that allows it to be configured with or without the effected signal added. Apparently the external power system has been designed so that it can accept any polarity or even AC and it works over the voltage range V AC or V DC. When running from a 9V battery, the current draw is only around 5mA, so the battery life should be reasonable.

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Currently there are models for acoustic guitar, electric guitar and bass, all housed in similarly-styled but differently coloured cast metal cases. Power can come from batteries or an external power adaptor optional and the output is available on both unbalanced jack at instrument level and balanced XLR connector with a ground-lift switch. The XLR output is designed to feed a balanced mic preamp, such as a mixer.

This DI output has a switch that allows it to be configured with or without the effected signal added. Apparently the external power system has been designed so that it can accept any polarity or even AC and it works over the voltage range V AC or V DC.

When running from a 9V battery, the current draw is only around 5mA, so the battery life should be reasonable. The instrument input is switchable between a high-impedance jack optimised for use with passive pickups or a medium-impedance one for use with active pickups. This is tuned differently for the different models, so that for acoustic guitar it emphasises the body tones, for electric guitars it provides an alternative tone colour for the lower notes, and for the bass guitar it makes the notes sound deeper and more powerful.

The Big Bottom process is a form of dynamic equaliser based around an optical limiter circuit, and phase shift also figures in the equation. The Lo Tune control sets the upper frequency limit for bass enhancement, while Lo Blend determines how much of the effect is added.

All have a quoted signal-to-noise ratio of 70dB, and when the bypass button is operated, the input is routed directly to the instrument output. As expected, all three devices behaved similarly except in the range of frequencies covered and, on the whole, they did exactly as claimed. The degree of bass enhancement can be dramatic, and is surprisingly effective for bringing out the body tone in the acoustic guitar — and of course it adds considerable depth to bass guitar sounds.

At lower settings it can become harsh, but then too much range is always better than not enough. My only slight reservation was that the Acoustic pedal, used with my active acoustic guitar, sounded quite different when bypassed to when active, even with the processing depth turned right down.

The acoustic sound can be made brighter and weightier in a reasonably flattering way, but you have to be careful to add only as much processing as required.

Too much can sound hard and harsh again. Verdict These little pedals do exactly as claimed and, though the user has to exercise restraint in how much effect is applied, having two knobs for the bass end and two for the high end makes things simple to use.

In addition to providing tonal adjustment beyond what can be achieved using EQ, the DI facility is a great bonus both for live work and for recording. I also feel the Bass pedal may be useful for those people who want to process synth bass sounds to make them appear bigger and deeper, but without taking up any more headroom.

If you want the genuine Aphex sound in an instrument-friendly package, this is the answer. Very easy to operate Runs on almost any power adaptor that will fit the socket!

Cons If you play all three types of guitars, you have to buy three pedals, which can work out expensive in the UK. Summary All the benefits of the Aphex sound in a pedal format with proper balanced DI capabilities.

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Exciterとエンハンサーの違いは何?埋もれた音源を前に出せ!

The effect was developed in the mids by Aphex Electronics. The aural exciter adds phase shift and musically related synthesized harmonics to audio signals. The original Aphex Aural Exciter, first offered in , came without the Big Bottom circuit, which was added in Aphex released in [1] the Model Aural Exciter and Optical Big Bottom, yet another refinement of the original unit. According to Aphex, the Model updates the Aural Exciter and Big Bottom processor blocks with improved circuitry, including an optical gain-control element for the Big Bottom compressor. Other brands[ edit ] Functionally similar units from competing manufacturers are generically known either as "psychoacoustic processors", "psychoacoustic exciters", "harmonic exciters", or "enhancers".

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