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Analog Modeling PreampNow the coveted "unplugged" sound is super-favorable! You want the naturally warm and present sound of tube amplifiers? The ADI21 is an analog modeling preamp / effect pedal with direct recording output for acoustic guitars.

Its ultra-musical 3-band EQ with tune-able mid-range is ideal for simple feedback suppression and control of hard-sounding piezo pickups. A high input impedance ensures maximum signal repetition and dynamics. You can use the ADI21 either as a direct recording preamp with tubes / microphone simulation or as an active standard DI box. The output is designed as a 6.3 mm mono jack and as a balanced gold-plated XLR connector. A ground lift switch prevents problems with ground loops, the power supply is via a 9 volt battery or a DC adapter (not included).

  • Stompbox with DI recording output for acoustic guitars
  • Authentic tube and microphone modeling circuitry provides the natural warmth and presence, removed by microphone acoustic guitar in conjunction with a tube amp
  • Ultra-musical 3-band EQ with swept mids for accurate feedback control and to eliminate the harsh harmonics of piezo pickups
  • Dual DI mode for either direct recording output with tube / microphone simulation or standard active DI box
  • Outputs on 6.3mm TS or balanced, gold-plated XLR connector
  • Ground Lift switch
  • Runs on 9 V battery or DC adapter (not included)
  • Disponível desde Maio 2005
  • número de artigo 180518
  • unidade de venda 1 peça(s)
  • Modelling Yes
  • Incl. Tuner No
  • Expression Pedal No
  • Headphone Output No
  • USB Connection No
  • MIDI Interface No
  • Battery Operation Yes
  • PSU included No
€ 23,70
Todos os preços incl. IVA
Disponível em 5-7 semanas
1

354 Avaliações de clientes

4.1 / 5

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212 Críticas

A
RECOMENDO!
Anónimo 03.02.2017
Muito bom.

Foi a primeira vez que testei um pedal para guitarra acústica e surpreendi-me com a qualidade sonora e as possibilidades de mudar o som da minha guitarra.

É o meu terceiro pedal favorito.
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SC
Every acoustic guitarist should have one!
Silvio C. 01.07.2015
This small box fits the space between the acoustic guitar and the PA system, providing additional controls and, most important, an XLR output. The thick brown plastic body and the heavy metallic base give a sense of solidity; the on/off button may seem brittle, but this device is not supposed to be repeatedly engaged and disengaged while playing!

The tone (three bands, plus middle frequency) and volume knobs are integrated by two cursors for ground lift and -20dB level reduction. A "blend" knob is also present, which is actually a volume control for a simulated microphone in front of the guitar's soundhole. The device can be powered by either 9V battery (lasting about four hours) or adapter: because of the internal pre-amplifier, powering via XLR is impossible.

When disengaged, the device works as a passive DI box. Engaging it will activate the internal pre-amplifier, and this might reduce the sound level, as the volume knob is thought to both decrease and increase the volume; as the blend knob also increases the volume of the unit, some careful soundcheck may be required. In either case, the sound is absolutely convincing: however, the device must always be powered, even in passive mode. Some users reported feedback problems when blending with the microphone simulator: but I never had this issue.

Overall, a good tool at a low price, which will rest in the guitar case's pocket, ready to spring into action.
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Great for indoor use
grrroovedude 17.09.2020
First of all, this is one great sounding and silent pedal. I bought it to get rid of the piëzo 'quack' of my acoustic electric and found out that 1. it does get rid of it and makes my acoustic electric sound like an acoustic guitar; 2. it is a tone shaper and gives you control over your tone and 3. it adds saturation to your sound if you wish.

It's also quite usable for bass guitars and works as a passive DI.

I bought it for a live acoustic gig. It did very good, This thing has only two flaws:
1. The switch is flimsy plastic and easy to break;
2. While it has an XLR out, it cannot be powered with phantom power but runs on batteries or an external adapter.

I use it in my studio on bass and acoustic guitars. I will never put it on a stage with a band.
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Excellent little box for the price
arnold89 10.03.2026
I use the ADI21 mainly with acoustic instruments and piezo pickups, and it really helps to improve the sound before going into an interface or mixer. The tone becomes warmer and less “plastic”, which is often the problem with piezo signals.

The EQ is simple but very effective, and the blend control allows you to dial in a more natural acoustic tone. I also appreciate the ground lift and balanced XLR output, which makes it very practical for live situations.

Of course, it’s not a high-end preamp, but for this price it’s incredibly useful and versatile. I’ve used it with acoustic guitar, ukulele and other experimental instruments and it works great.

A very affordable tool that can make piezo pickups sound much better.
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