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The Pentodian Resonator Choir

Kontakt Version Required:
4.2.4 Full Version (Not for Kontakt Player) - learn more
Product Version: 1.02

Hideaway Studio

12 Unique Synthetic Choirs

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Now £7.53
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The Pentodian Resonator Choir
Hideaway Studio
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Product Overview

A selection of twelve unique synthetic choirs made up of 215 hand crafted vocal formants.

At least 50% of the samples in this collection were created using little more than a handful of discrete circuits and vintage lab gear all processed with vintage classic analog and tube technology and brought together in the same proven 4-voice layering engine as the Orbitone library….



Captured By Hand

Well over 100 samples were painstakingly captured by hand configuring the equipment for each note and then sampling the results. The samples were further EQ’d and loaded into multi-samples.

Some of multi-samples were further processed with an analog chorus unit.

Supporting image for The Pentodian Resonator Choir


The Celestial Choirs featured in The Pentodian Choir started off life as little more than a series of short pulses created by an old hand-configured analog lab signal generator. The frequency of the pulse train was gently modulated using the swept oscillator function to act as a vibrato.

The pulses were converted into exponential ramps using a passive wave shaper circuit similar to those found in early string synths and the resulting sawtooth fed into a Triple Passive L/C Resonator circuit based on the 1938 Novachord formant resonator section. This is little more than three coils of wire and three capacitors!

The resulting waveform was then impedance buffered using the entire vertical signal path of a 1968 Tektronix 545B tube oscilloscope! The output from the vertical signal output socket was then fed into a prototype tube overdrive unit and into a tube equaliser.

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Download Contents

  • 215 generously long 24-bit samples
  • 12 hand made multi-sampled resonator choirs
  • 4-Voice Layering Engine with ability to save
  • 12 editable example instrument patches
  • 8 example layered multi patches
  • User Manual

Equipment Used:

Hand configured analog pulse signal generator modulated by LFO, DIY Passive pulse to exponential wave shaper circuit, DIY Passive Triple L/C Formant Resonator Circuit based on 1938 Novachord impedance buffered with Y-amplifiers from a 1968 Tektronix 545B tube scope! DIY Tube Overdrive, 1972 Eminent 310U fed into rehoused 1978 Polymoog Formant Resonator Section, prototype analog chorus, 1967 Revox G36 tube half track tape machine, prototype Tube VoxBox, Hideaway Studio TEQ-9B Active 9-Band Gyrator Tube EQ, TL Audio EQ-2011 Tube EQ.

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Polymoog Formant Resonators…

Two of the choirs were created by feeding the brass organ stop from a 1972 Eminent 310U into a rehoused 1978 Polymoog Resonator Section. This proved remarkably effective and a similarly successful choir was made by feeding a string patch from a Matrix 1000 into the resonator. A third choir was the result of recording the previous results hot onto a 1967 Revox G36 tube tape machine and resampling.

Supporting image for The Pentodian Resonator Choir


  • Requires Kontakt version 4.2.4 or higher (FULL version please - Not Kontakt Player)
  • Around 500Mb Free Hard Disk Space


Dan Wilson (Hideaway Studio) – Equipment Design, Sound Design, Sample Set & Example Instruments.

Stephen Howell (Hollow Sun, RIP) – Layering Engine Concept, GUI Design & Graphics.

Mario Krušelj – Layering Engine Script

The Vox Box…

A curious solo vocal effect was created using a prototype concept consisting of a triode based relaxation oscillator feeding a passive L/C resonator passed into a tube band pass filter modulated by the same LFO as the pitch vibrato.

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