YuSynth Dual Balance Modulator

The balanced modulator or four quadrant multiplier, is a great classical module. it provides the same functions as those of a ring modulator. Its main purpose is to generate  sounds with a complex overtone content such as bell sounds and other klang tones !
The principle of this circuit is based on a Gilbert cell contained in the classical LM1496 IC.

Basically, if one feeds the A input with a sinewave with frequency f1, that is sin(2πf1), and the B input with a sinewave with frequenc f2, that is sin(2πf2), one gets at the output the product these two signals, that is sin(2πf1) x sin(2πf2).

Due to trigonomic properties it reads :

 sin(2πf1) x sin(2πf2) = sin(2π(f1+f2)) + sin(2π(f1-f2))

in other words the output is a mixture of two sinewaves, one with frequency f1+f2 and the other with frequency f1-f2.

We all have our preferences when it comes to building our modular synth so we offer a range of products* for the build:

  • PCB
  • Individual components
  • Kit of parts (excluding PCB, knobs and connectors)
  • Knobs (Cliff KM20B)
  • Jack sockets
  • Power connectors
  • Front Panel
  • Back Panel
  • PCB Holder
  • PCB Holder Brackets
  • Panel PCBs
  • Wiring Leads

*Not all products are available at the time of writing but are in development

For the latest build information, we recommend visiting the YuSynth website at http://www.yusynth.net/Modular/index_en.html

However, we also include this build information in our product pages plus additional details relating to the complete module assembly using our front panel solution as they are developed.

£1.70 (£2.04 incl VAT)
7220-902
Our 3mm thick acrylic size 2 PCB holders are for use with the following YuSynth PCBs: YuSynth VCLFO1 YuSynth VCLFO2 YuSynth Noise + S&H...
In stock
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£15.96 (£19.15 incl VAT)
7220-061
YuSynth Dual Ring Modulator Introduction A bare double sided PCB (no need for the wire jumper links shown on the PCB layout) for the...
In stock
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£8.55 (£10.26 incl VAT)
7220-261
Have the right skills, tools and test gear to build your own modular synth, then our kits of parts may be just what you need. As a minimum, you will need to...
In stock
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£4.90 (£5.88 incl VAT)
7220-561
A 1.6mm thick YuSynth Dual Ring Modulator front panel - 5U high, 1U wide (nominal 8.75 x 1.75") made from a semi-rigid...
In stock
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£4.16 (£4.99 incl VAT)
7220-861
A 5U high by 1U wide (222.25x44.45mm) 3mm thick high grade 5251 H22 aluminium back panel for use with our matching Dual Ring Modulator...
In stock
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£28.56 £26.04 (£31.25 incl VAT)
7212-212
A pack of 12 high quality 1/4" mono jack sockets that we use as standard on our MFOS range of synth modules. These sockets are the PCB...
In stock
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