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Summary of Contents for ADDAC System DUAL ENVELOPE FOLLOWER+
- Page 1 Instruments for Sonic Expression Est.2009 INTRODUCING ADDAC220 DUAL ENVELOPE FOLLOWER+ USER’S GUIDE . REV01 April.2025 From Portugal with Love!
- Page 2 In Stereo mode only the Right channel gain will be independent. Tech Specs: Left input is normalled to the Right input. 10HP 4.5cm deep 70mA +12V 40mA -12V ADDAC SYSTEM page 2...
- Page 3 (x2 ATTENUVERTER) LED OUTPUT MONITOR VIRTUAL ENVELOPE OFFSET CONTROL GATE THRESHOLD +10v ENVELOPE OFFSET GATE THRESHOLD THRESH GATE LED GATE OUTPUT -10v 16BIT DAC (DIGITAL TO ANALOG CONVERTER) OUTPUT INVERTED OUTPUT CV OUTPUT INVERTED CV OUTPUT ADDAC SYSTEM page 3...
- Page 4 ATTENUATION 2:1 (/2) AVERAGE OUTPUT INVERTER INVERTED AVERAGE OUTPUT LEFT OUTPUT RIGHT OUTPUT AVERAGE [AVERAGE OUTPUT] The average of both channels: (LEFT + RIGHT) / 2 AVERAGE INVERTED AVERAGE [INVERTED AVERAGE OUTPUT] The inverted average signal ADDAC SYSTEM page 4...
- Page 5 0v and the maximum +5v. [CLIP] led will blink twtice ADC ENVELOPE INPUT OUTPUT OFF MODE This Dynamic Range detection and mapping is deactivated and instead the incoming analog envelope follower signal is used. [CLIP] led will blink three times ADDAC SYSTEM page 5...
- Page 6 The curve resemblance can be seen in the extended graphic below with a triangle wave input. When the [RESPONSE CONTROL] is all the way CCW all digital processing will be ignored and the analog envelope input will be used. LOG/LIN/EXP INPUT ADDAC SYSTEM page 6...
- Page 7 Gate On when the signal is below [THRESHOLD] OUTPUT THRESHOLD NEGATIVE [ENV. GAIN] & [THRESHOLD] When both controls are operating on the negative range the module will output a Gate On when the signal is above the [THRESHOLD] ADDAC SYSTEM page 7...
- Page 8 RIGHT INVERTED OUTPUT RESPONSE CURVE RIGHT CV OUTPUT CV INPUT RIGHT PWM MONITOR LED RIGHT CHANNEL RIGHT CLIPPING LED ATTACK RIGHT GATE OUTPUT DECAY RIGHT GATE LED ENV. GAIN ENV. OFFSET GATE THRESHOLD RESPONSE CURVE CV INPUT ADDAC SYSTEM page 8...
- Page 9 For feedback, comments or problems please contact us at: addac@addacsystem.com ADDAC220 USER’S GUIDE Revision.01 April.2025...
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