The EHX Micro Q-Tron is a smooth envelope filter with a funky wah-wah tone. The filter is controlled by its internal envelope follower, analyzing the volume of your notes and the dynamics of your playing to directly sweep the filter’s center or cutoff frequency. A stronger attack or louder note will produce a wider frequency sweep while softer playing produces more subtle effects. Use the Q control to make the effect more dramatic.

True bypass
Drive control sets sensitivity and filter sweep range
Selectable low pass, band pass or high pass filters
Q control sets the filter’s bandwidth from smooth to funky
Tough and compact die-cast chassis
9V battery included

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Review by guitardesignreviews.com

Review by Bassel Hallak, bonedo.de

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Micro Q-Tron

The polyphonic STRING9 String Ensemble transforms a guitar into nine different string ensembles and string synthesizers while requiring zero modifications, special pickups, or MIDI implementation. It relies on the same technology powering all EHX 9 Series pedals. In a 9 Series first, the STRING9 includes the signature EHX Freeze effect on 3 of the presets to sample and hold notes and chords with infinite sustain.

A rotary switch on the STRING9 allows the player to select the sound of their choice, as follows:

SYMPHONIC: Re-creates the sound of a large symphony orchestra and features an octave down effect on the lower range of the guitar for a full sound
JUNE-O: Emulates the Juno® analog string synthesizer sound
PCM: Sound of a small string section sampled by a vintage PCM keyboard producing a warm vintage string sound
FLOPPY: Emulates the sound of an Orchestron® optical disc playback sampler, warble included
AARP: Emulates the classic ARP Solina® string synthesizer
CREWMAN: Emulates the Crumar Performer® analog string and brass synthesizer; Floyd in a box
ORCH FREEZE: Orchestral sound with EHX Freeze effect
SYNTH FREEZE: String synthesizer sound with EHX Freeze effect
VOX FREEZE: Mellotron® choir and strings sound from the EHX MEL9 with EHX Freeze effect
Download User Settings Sheet

The pedal is equipped with independent Effect and Dry volume controls so players can precisely tune their mix at the Effects output jack, plus a Dry output jack that always outputs the input signal at unity gain.

Controls 1 and 2 have been designed to adjust specific parameters for each of the nine programs adding usability and flexibility to each sound.

Simulates nine string ensemble and string synthesizer sounds
Tracks impeccably and works on guitar without mods, special pickups or MIDI implementation
Independent Effect and Dry volume knobs let you precisely control your mix at the Effects output
Controls 1 and 2 have been designed to adjust specific parameters for each of the nine programs
Dry output jack outputs the input signal at unity gain
Compact, rugged, easy to use
Power adapter included

Review by musicradar.com

Michael Krummheuer, bonedo.de

User Manual 

STRING9

The Nano Pulsar takes tremolo beyond the ordinary and mundane. Equipped with a collection of tremolo-modulating waveforms and the option of operating in Triangle or Square Wave modes, the Nano Pulsar is a tremolo/panner treasure chest. In mono, it’s simply amazing, or, connect it in stereo to create shifting waves of sound that surround you and fill your space with weaving, pulsating energy.

For all its power, the Nano Pulsar’s layout is intuitive and using it is easy. There’s often a perceived volume drop with tremolo when the effect is engaged so we’ve included a Volume control. It allows a player to fine-tune their output level when the effect is on, and is a very useful addition.

The Nano Pulsar’s Depth knob adjusts the amount of tremolo applied to the signal. Past maximum (around 1 o’clock) the modulation becomes asymmetric and warps the audio signal between positive and negative phase. This creates a unique style of tremolo which sounds great alone or can be used in combination with other effects like the Oceans 11’s Shimmer patch to produce compelling synth-like sounds and textures.

The Rate knob provides a full range of speed adjustments for the tremolo or pan effect, and when you start to max out the Rate and Depth controls you enter ring modulation territory for a surreal sonic joyride!

Unlock a world of advanced sound shaping and control. Create tremolo and panning effects that go from sublimely beautiful to downright shocking. The compact Nano Pulsar will be your do-it-all, go to pedal for all things tremolo and panning.

Compact, yet powerful tremolo/panner pedal packed with effects
Run it in mono or in stereo for a fully immersive tremolo/panning experience
Flick the Triangle Wave/Square Wave mode switch to determine how sharp or smooth the effect will be
Select from falling and rising sawtooth, narrow and wide pulse width, or triangle and square wave tremolo-modulating waveforms to control how the tremolo morphs and evolves
Know whether the tremolo is on or off before you play a note. The Rate/Status LED pulses at the same rate the effect is modulating when the effect is engaged
9 Volt battery included, also works with an optional 9 Volt power supply
Buffered bypass

Review by Charles Saufley, premierguitar.com

Review by Michael Behm, bonedo.de

NANO PULSAR

The Small Stone's full bodied, three dimensional phasing adds a special swirl to every musical style. Blues boys and babes dig its rapidly rotating speaker effect while Country players use it to add seasoning to their chicken' pickin'. Metal-heads and Industrialists dig the Stone's jet plane woosh. No matter what your musical pleasure, the Small Stone is guaranteed to increase it!

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Review by Tone Pedia

Small Stone v2

The Electro-Harmonix Enigma is a powerful and precise envelope filter fine-tuned for bass frequency response. Sculpt your envelope to reveal a truly expressive tone, with a defined and unique signature. Enigma will deliver tight and smooth control over the complete 40 Hz to 3 kHz range, with a consistent and even sweetness.

Need some edge? Engage Enigma’s analog distortion and dial in anything from subtle bite to dominating crush. You can even plug in an optional expression pedal to control the filter sweep with your foot. With the ability to adjust Q, sweep range, and filter type, you’ll also wind up with of the most versatile wahs available.

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ENIGMA: Q BALLS

ENIGMA-Q-BALLS by electro-harmonix

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