The ArpoLoop Synth

ArpoLoop
ArpoLoop Desktop

Here are the photos of the final ArpoLoop and ArpoVoce desktop and Eurorack synth version.

The new synth, it’s here ! 60HP, 7U square size, 31 × 32 × 2 cm approximately like a Pizza Box !!!

The standard slim enclosure, it’s made of 1.5 mm aluminium painted with powder paint in matt gray colour, the panel it’s 1.5 mm aluminium the graphic it’s printed with a durable laser\chemical process all made in Italy.

ArpoVoce Eurorack 60hp

Optionally it’s possible to order the synth with the solid cedar wood box, a wood box will fit the aluminium one offering vintage look and feeling, size 34 × 35 × 4 cm.

For this synth we can now offer an alternative panel graphic design, made in collaboration with artist Alpraz from Sardinia, a more organic vision, if you like it make your synth special on request.

Alpraz Desktop
Alpraz Eurorack

Thanks to the collaboration with Trakatan, handcraft bag company from Torino, we can offer the synth bag.

It’s a double-padded bag to fit your ArpoLoop and all you need for your performance, build with a robust technical material and some genuine leather details, size 39 × 40 × 18 cm.

The synth it’s in production, the PCB with the SMT component arrived from China robot factory. We are now manual assembling the PCB with the trough hole component, pot, jack, switch, button, LEDs etc.

Finally, it’s possible to pre-order it, we can offer an early bid special price, the synth will start shipping after Superbooth24 approximately in one month. Send us a mail to get all the infos for payment and shipping detail.

Send mail to : tonylight222@gmail.com

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We are getting ready with the new synth and also the big module prototype, it’s getting ready. ArpoVoce it’s the Arpoloop voice board in Euro Rack format. A big module of 60HP offering all you need for a compact setup.

ArpoVoce 60hp module
  • 4 voltage controlled Hz\Volt oscillators (VCO)
  • VCO1 sine wave with sync and FM
  • VCO2 sine wave with FM
  • VCO3 sine wave with sync and FM
  • VCO4 sine-square-sawtooth with LFO option
  • White Noise generator with cutoff
  • 4 cascadable voltage controlled amplifiers (VCA) controlled by envelope or ring modulated by VCO4
  • 3 Attack-Release envelope generators (ENV) with 3 modes of operation (GATE, REPEAT, TRIG) long\short mode and linear\exponential switch with CV out.
  • VCO1 and VCO3 are hard syncable via the SYNC switch.
  • VCO2 will do the pitch and VCO1 the harmonic contents, more or less like a resonant filter. (VCO1 pitch = cutoff) The same is possible with VCO3 (cutoff) and VCO4 (pitch) featuring a full two voices synth.
  • A two formant voicing is possible by syncing both VCO1 and VCO3 with the same VCO2 making possible, among others, human voice imitation.
  • The FM MOD control can produce FM synthesis as well as vibrato or envelope modulation.
  • Each VCA is connected to its own VCO and can be controlled by an envelope or by VCO4 becoming a ring modulator.
  • VCA2 and VCA4 can be routed to another VCA output, obtaining a velocity control with ext cv in, or a double modulation, up to three VCA’s can be chained.
  • A white noise can be used for VCA2 input, this can give a further piattino (high hat) sound.
  • VCA1 have an external audio input.
  • Six channels Audio Mixer with individual out for cassa, snare, stereo out with vca1\2 left and vca3\4 right, mono out.
  • Many routing capabilities, 5 or more sound at the same time, 3 voice polyphonic option, spaghetti free.

DEMO VIDEO

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The new ArpoLoop PCB and the box prototype have arrived, here are some improvements:

The final synth will be available with an 1.5 mm aluminium enclosure, foldable voice board with a brass hinge, size 310×315×22 mm, 60HP-7U, rough black matte paint finish.

The wood box could be standard or on a request.

We are doing all our best to keep the final price under €1000, and we have even written to Bheringher, but unfortunately they can’t help us to keep production cheaper !

Now we need to build the final prototype and test everything, final production is scheduled for late January/early February 2024.

Additionally, we are creating a list of interested people to gather feedback and get an idea of how many synths we will produce.

If you are interested in an ArpoLoop, email us: tonylight222@gmail.com

Let us know your thoughts, feedback, if you just want the voice board in Eurorack format etc.

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We are getting closer to the final step on Arpoloop development, we add an eight-step capacitor sequencer and one octave keyboard.

Arpoloop final shape will be inspired by MiniMoog with a foldable voice board, the voice board will be available also in euro rack format, in the photos the last not definitive prototype.

the arpoloop
First Arpoloop Prototype 2020

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The ArpoLoop

ArpoLoop it’s the newest creation of L.E.P. electronic laboratories.
After five or more years of research and development, the volcanic mind of our analog engineer Peppo Lasagna, created this unique instrument, virtually inspired by the Raymond Scott pioneer work.
ArpoLoop it’s a generative analog composer, an analog computer for musician, full-featured for creating algorithmic live music, letting you combine melodies and rhythm, thanks to the help of his Analog Intelligent Algorithm.
ArpoLoop is a full Analog synthesizer in 60HP, 7U format, with a built-in full analog rhythm and melody composer.
With full Analog terminology, we mean we don’t use any digital component, like microprocessor or even CMOS counter IC like CD4040 etc. this guarantees you a living organic sound, always drifting to a new direction.
Since there is no microprocessor nor memory, it can not be programmed in the usual way, instead it can be set and guided to play a line whose parameters are user definable and virtually infinite. With these features, ArpoLoop offers you a unique musical experience, where instead of programming your sequencer you are forced to play with him.
Each time you switch on your ArpoLoop he will respond to your state of mind, letting you compose the music of that moment, this is particularly notable when in our time the music was the first product of human creativity to digitally disappear, thus making the recorded music lose importance.
Like a pianist practices with his piano, you will practice with your ArpoLoop offering an always better improvised musical live performance.

ArpoLoop consist of different part and modules :

  • The Voice Board.
  • The Ramp Generator.
  • The Capacitor Sequencer.
  • The Note Generator.
  • The Rhythm Generator.
  • The Octave Keyboard.

Here is a list of its features:

  • 4 voltage controlled oscillators (VCO)
  • VCO1 sine wave with sync and FM
  • VCO2 sine wave with FM
  • VCO3 sine wave with sync and FM
  • VCO4 sine-square-sawtooth with LFO option
  • 4 cascadable voltage controlled amplifiers (VCA) controlled by envelope or ring modulated by VCO4
  • 3 Attack-Release envelope generators (ENV) with 3 modes of operation (GATE, REPEAT, TRIG)
  • Clock generator and 3 Ramp generators for general timing
  • 4 Rhythm generator to control notes and drums
  • Note generator with 2 sample\hold CV outputs
  • Bass drum (CASSA) with pitch, resonance, and distortion
  • Snare drum with tom pitch and noise decay
  • 6 channel Audio Mixer with level and individual out for cassa, snare, VCA 1\2, VCA 3\4

More ArpoLoop Demo Videos

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