Doepfer A-105 from EMIS

Doepfer A-105 SSM 24dB Low Pass Filter
This page was last updated 27/07/2008

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	A-105				SSM 24dB Low Pass Filter

					The A-105 is a 24dB/octave voltage-controlled low-pass filter, and is very similar to the A-122 that uses a CEM chip. In contrast to the A-122 the A-105 uses the legendary SSM filter chip SSM2044, as was used in the Korg Polysix & Mono/Poly, Fairlight II, PPG Wave 2.2 & 2.3, Emu SP-1200, Siel DK600 & Opera 6. The first Sequential Prophets used the SSM2040 - the precedessor of the 2044 - that generates a very similar sound. The special feature of the 4 pole low pass SSM2044 is the patented so-called “true open loop design that delivers a characteristic fat sound not available from other devices”. The A-105 features voltage controlled resonance and a sensitve audio input to obtain distortion - if desired.
	Width 8 HP	Depth 45mm	Current 30mA		Owners manual A-105/A-122


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