Sharpen Resonators

(Product not released: this information may change.)

Switchable resonator banks making all the various combinations of the ARP Pro-Soloist available, and more!

Sharpen (Prototype)
Typical but complex patch of the ARP ProSoloist

Compatability with ProSoloist

PresetIIIIIIPatch
BassoonXXE Bass1/14 Pulse -> VCF ->VCA
??1/14 Pulse -> Sharpen -> VCA
English HornXE HornX1/14 pulse -> Sharpen I,II ->VCA
No VCF
OboeXOboeX1/14 pulse -> Sharpen III -> VCF ->VCA
ClarinetXOboeXSquare wave -> VCF -> VCA
Square wave -> Sharpen III -> VCF
SaxCelloXViolin1/9 + Dyn pulse -> LPF -> VCF -> VCA
1/9 + Dyn pulse -> Sharpen III -> VCF
FluteXXXSaw -> VCF -> VCA
No resonators
Song WhistleXXXSquare -> HPF -> VCF -> VCA
No resonators
TelstarXXXSquare -> HPF -> VCF -> VCA
No resonators
Cosmic WowXXX2/11 Pulse -> HPF -> VCF -> VCA
No resonators
Mute TrumpetXOboeX1/64 pulse -> LPF -> VCF ->VCA
1/64 pulse -> Sharpen III -> VCF
TrumpetXXXSaw -> VCF -> VCA
No resonators
French HornXXXSaw -> VCF -> VCA
No resonators
TromboneXXXSaw -> VCF -> VCA
No resonators
TubaXXXSaw -> VCF -> VCA
No resonators
ViolinViolinXViolin2/11 pulse -> VCF -> VCA
2/11 pulse -> Sharpen -> VCA
CelloCelloXViolin2/11 pulse -> VCF -> VCA
2/11 pulse -> Sharpen -> VCA
Elect BassXXE BassDynpulse -> Sharpen III -> VCF
Country GuitarXOboeE Bass1/14 pulse -> LPF -> VCF -> VCA
1/14 pulse -> Sharpen III -> VCF
Steel GuitarXXE Piano1/9 pulse -> Sharpen III -> VCF -> VCA
BanjoXXViolin1/9 pulse -> HPF -> VCF -> VCA
1/9 pulse -> Sharpen III -> VCF
Fuzz Guit ICelloOboeE PianoDyn pulse + saw -> HPF -> VCF -> VCA
Dyn pulse -> Sharpen -> VCA
HarpsichordXOboeX1/14 pulse -> HPF -> LPF -> VCA
1/14 pulse -> Sharpen III -> VCF
Elec PianoXXE Piano1/9 Pulse -> Sharpen III -> VCF -> VCA
Steel DrumXOboeViolinSquare -> LPF -> VCF -> VCA
Square-> Sharpen III -> VCF
Settings to reconstruct Pro-Solist Presets: using typical configuration

PresetIIIIIIPatch
NozeViolinXXSaw -> HPF -> VCF -> VCA
2/11 + 1/14 + 1/64 Pulse -> Sharpen I,II -> VCA
Buzz BassoonViolinXE BassSaw + 1/14 + 1/64 pulse -> HPF -> VCF -> VCA
1/14 + 1/64 pulse -> Sharpen
Sharpen III -> VCF
Sharpen I, II -> VCA
Space ReedViolinXE PianoSaw -> LPF -> VCF -> VCA
1/14 pulse -> LPF
1/14 pulse -> Sharpen
Sharpen III -> VCF
Sharpen I, II-> VCA
Space BassXE HornE Bass1/14 pulse -> Sharpen
Sharpen I,II -> VCA
Sharpen III -> VCF -> VCA
PulsarXXE PianoSaw -> HPF -> VCF -> VCA
1/9 Pulse -> Sharpen III -> VCF AND VCA
Fuzz Guit IICelloOboeViolin1/14 + 1/9 + 1/64 + Dyn pulse -> HPF -> VCF -> VCA
1/14 + 1/9 + 1/64 + Dyn pulse -> Sharpen
Sharpen III -> VCF
SHarpen I, II -> VCA
Settings to reconstruct Pro-Solist Presets: variant configurations

Settings to reconstruct Pro-Solist Presets

Key points:

  • There is a main chain, which is saw and/or pulses and/or Dyn Pulse to simple HPF, VCF and VCA. This is a conventional chain and is used on most presets. By itself, it is used for brass, flute and whistle.
    • Dyn Pulse is a rectangular wave with pulse width modulation (thin to thick) from a simple Decay EG.
    • Some presets the HPF has too low a value to be material and could be ommitted
    • Sharpen includes a simple HPF on the ??? saw out, fixed to the most common setting of the presets.
  • Then most presets also have the pulse and/or Dyn Pulse go through one or more of three resonators. In general, the outputs of these resonators go directly to the VCA, bypassing the VCF.
    • However, in some settings, the third resonator III goes to the VCF instead (or as well).
    • The resonator switches select various combinations of resistor/capactors to give various effect (i.e. because the Oboe and E Bass resistor/capacitors are both in resonator III, selecting them both will not nessarily lead to two resonant peaks, but some intermediate shape.)
  • The pulse wave is usually a small number of presets: square, or so-called 2/11, 1/9, 1/14, 1/64. For these fractional pulses, the pulse has a phase offset about the same as the pulse width. These can be generated using the fricko ProPulse module.
    • However in a small number of cases, namely Fuzz Guit II, Noze and Buzz Bassoon, multiple pulses will be selected. These could be generated by using multiple fricko ProPulse generators (or some other waveshaper like a 5-pulse, perhaps).

The ProPulse Width knob corresponds roughly to :

  • 7 o’clock (near full anti clockwise) = 1/64
  • 10 o’clock = 1/14
  • 11 o’clock = 1/9
  • 2 o’clock = 2/11
  • 5 o’clock (near full clockwise) = 1/4
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