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Synthesis Technology E440 Discrete OTA VCF Module (silver)
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+44 20 7424 1960
(quote 660465)
- Resonance: Sets the initial filter resonance
- Frequency: Sets the initial filter frequency
- FM 1 / FM 2: Attenuator for the FM CV inputs
- Drive: Increases the gain of the input signal
- 1V/Oct: 1 volt per octave control for the initial filter frequency
- FM 1 / FM 2: Filter frequency modulation inputs
- Res CV: Resonance modulation input
- Audio In: Signal input for the filter
- 2/3/4 Pole Out: Audio outputs for various filter slopes (12dB/18dB/24dB)
| Module Type | Voltage Controlled Filter (VCF) |
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- Computer software that has been unsealed or registered
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Synthesis Technology E440 Discrete OTA VCF Module (silver)
You have probably heard of the SSM2040 filter chip, used in the Prophet-5 Rev 2, Voyetra 8, and others. Although short-lived, the SSM2040 filter had a unique sound different from a Moog, ARP, or other 4-pole lowpass filters. Why? The design used a clever discrete OTA gain cell that responds beautifully as additional gain is added to the input signal.
The E440 provides three simultaneous filter slopes: 2 Pole (12dB), 3 Pole (18dB), and 4 Pole (24dB) for selective timbral shaping. Voltage control of filter resonance (rarely found on other filters) is also available.
Specs:
Height: 3U (128.5mm)
Width: 14hp (70.8mm)
Depth: 32mm
Power: 14-pin Eurorack (23mA from +12V, 12mA from -12V)
CV input range: 10Vpp (-5V to +5V), DC to 10KHz (Res CV range is 0V-5V)
Audio Input: 50K nominal input impedance, 100mv to 14Vpp
Audio Output: 14Vpp (-7V to +7V), 20Hz to 18KHz frequency range
Jumper Options: JP1: Bass boost enhancement (OFF / ON)
Panel controls:
Resonance: Sets the initial filter resonance
Frequency: Sets the initial filter frequency
FM 1 / FM 2: Attenuator for the FM CV inputs
Drive: Increases the gain of the input signal
Inputs and outputs:
1V / Oct: 1 volt per octave control for the initial filter frequency
FM 1 / FM 2: Filter frequency modulation inputs
Res CV: Resonance modulation input
Audio In: Signal input for the filter
2 / 3 / 4 Pole Out: Audio outputs for various filter slopes (12dB / 18dB / 24dB)
Specifications
| Module Type | Voltage Controlled Filter (VCF) |
Synthesis Technology E440 Discrete OTA VCF Module (silver)
