An authentic reproduction of the original “System 2500” circuitry from the 70’s that can fit in a standard Eurorack case. The best part? It’s at a very affordable price. Mix in with your existing rig or start your modular synth journey from here. Either way you’re sure to have a lot of fun. Classic 1005 analog ModAmp module from the '70s Authentic reproduction of the circuitry from the "2500" Series Consists of a discrete balanced modulator and VCA Balanced modulator accepts 2 input signals (DC to 20 kHz) and produces an output that is a multiplication of the two signals Creates complex waveforms with in-harmonic overtones 2 precision voltage outputs control the frequency of the VCO's that are typically connected Modulation is activated by illuminated push buttons (Mod and Unmod) In Unmod mode the signal at input A passes to the output without any modulation and the level is set by the Unmod Gain control Modulation can be switched on and off by trigger or gate signals which can be patched into the module VCA accepts the output from the modulator and modifies the output signal level according to the sum of the Gain control and external control voltages 2 external VCA control signals can be attenuated by front panel controls VCA mode can be selected as either exponential or linear Eurorack specs: 16 HP, XX mA +12 V, XX mA -12 V