The first 2500 series synth modules came out in the 70s and tended to be extremely expensive. They were mainly all discrete transistor designs with some op-amps as at the time op-amps were high cost. The discrete circuitry gave the modules a very distinctive sound and were used by artists like The Who, Jean Michel Jarre, Vangelis, Kraftwerk and so many more, giving us some of the greatest records and film soundtracks weve ever heard. Modular synths were a landmark development in electronic music and today, its about to get better.
Features
- 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, 60 mA +12 V, 45 mA -12 V
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