Schertler Unico X Wood
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Schertler
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UNICO X : the "state of the art" evolution of Schertler acoustic amplification
Designed in Switzerland, the UNICO X embodies a very "audiophile" approach to the combo amp: bi-amplified analog power, improved speaker section, optimized crossover filter, limiter, and gain architecture designed to respect the natural dynamics of instruments. It stands as a premium solution in the UNICO range, aimed at musicians seeking faithful, stable, and perfectly clear reproduction, even in demanding contexts.
Who is it for and what are its uses?
The UNICO X is intended for acoustic guitarists, singers, acoustic multi-instrumentalists, and stage musicians who want to recover their "mic-like" sound: precise, open, and without excessive coloration. Thanks to its headroom and 2-way dispersion, it is suitable for both rehearsals and small to medium-sized stages, while remaining an excellent tool for recording and monitoring in the studio. Its extended and controlled low end also facilitates voice + guitar setups, where a solid low spectrum is needed without losing intelligibility.
Channels, controls, and features: a complete platform for your acoustic setup
A true control center for an acoustic setup, the UNICO X offers 5 inputs to accommodate various sources (XLR mic, 6.35mm asymmetrical jack instrument, stereo 3.5mm mini-jack source). The bi-amplified power section relies on an optimized crossover filter network and a limiter to preserve definition and secure the sound when pushing the volume. On the integration side, the stage-oriented approach is appreciated: DI XLR output to feed a mixing console, line output, master insert to process the overall mix, as well as an auxiliary output allowing integration of external effects. The package is completed by a spring-type digital reverb with decay control, ideal for adding air to vocals and depth to an electro-acoustic guitar.
Sound
With its Class A preamp described as "without feedback, without integrated circuits," the UNICO X aims for a transparent, highly dynamic, and particularly nuanced sound: perfect for finger attacks, arpeggios, body percussion, and playing variations. The 10-inch woofer delivers a broad and solid low end, while the 1-inch dome tweeter ensures excellent clarity of harmonics, vocal sibilance, and pick details. The result is a clean and spacious sound, with headroom to stay defined at high volume, and a reverb that can range from a simple natural ambience to a more "vintage" spring-like halo.
Technical specifications
| Effects | Reverb | Speaker diameter | 10" |
| Category | Acoustic amp | Number of speakers | 1 |
| Technology | Solid state | Color | Natural |
| Effects loop | Yes | Finishing | Wood |
| Category | Amplifier | Power output | 280 W |
| Number of channels | 5 | ||
| Power | 280 W (pure analog power) | Line output connector | 6.35mm jack |
| Max SPL | 123 dB | Line output level | 0 dBu |
| Frequency response (+/-3 dB) | 40 Hz to 20 kHz | Line output impedance | 200 ohms |
| Sensitivity (1 W / 1 m) at 1 kHz | 98 dB | DI output connector | XLR |
| Speakers | 1-inch dome tweeter, 10-inch woofer | DI output level | -infinity to +6 dBu |
| System / format | bass-reflex, two-way, bi-amplification | DI output impedance | 180 ohms |
| Cabinet construction | 12 mm laminated birch plywood | Auxiliary output connector | 6.35mm asymmetrical jack |
| Mic input connector | XLR | Auxiliary output level | 0 dBu |
| Mic input sensitivity | -52 dB | Auxiliary output impedance | 200 ohms |
| Mic input impedance | 4.7 k ohms | Phantom power (nominal) | 24 VDC (XLR) / 10 VDC (jack) |
| Instrument input connector | 6.35mm asymmetrical jack | Effect | spring-type digital reverb with decay |
| Instrument input sensitivity | -47 dB | Preamp | Class A, without feedback, without integrated circuits |
| Instrument input impedance | 820 k ohms | Stand mount | 36 mm diameter mounting flange, height = 102 mm |
| Stereo input connector | 3.5mm stereo jack | Dimensions (W x D x H) | 34.2 x 32.6 x 43.8 cm |
| Stereo input sensitivity | -10 dBu | Weight | 16.8 kg |
| Stereo input impedance | 40 k ohms | Footswitch | not included |
| Insert | on master | ||
Questions frequently asked
Is the Schertler Unico X Wood suitable for vocals and acoustic guitar?
Thanks to its 2-way design, 10-inch woofer, and 280 W power, this model is suitable for vocal and acoustic guitar setups for rehearsals, small or medium-sized stages.
How many sources can be connected to this acoustic amplifier?
The five inputs accept XLR microphones, 6.35 mm unbalanced jack instruments, and a stereo source via a 3.5 mm mini-jack. The mic input has an impedance of 4.7 kΩ, while the instrument input is rated at 820 kΩ.
What outputs are available for stage and mixing console?
A DI output on XLR allows connection to a mixer, with a level adjustable from -infinity to +6 dBu. There is also a line output on a 6.35 mm jack and an auxiliary output on an unbalanced 6.35 mm jack. The insert on the master section allows integration of external processing into the main mix.
What sound quality and power does the Unico X Wood deliver?
The bi-amplified system combines a 10-inch woofer with a 1-inch dome tweeter, offering a frequency response of 40 Hz to 20 kHz. The maximum SPL reaches 123 dB and the Class A preamp is designed to preserve the dynamics of acoustic instruments.
Does the Schertler Unico X Wood amplifier include reverb and an effects loop?
Built with 12 mm laminated birch plywood and a wood finish, this amplifier features a spring-type digital reverb with decay control and includes an effects loop via its master insert.



