Limited supply.

Shipments will go out based on the order they were received.

If you would like to purchase a Chronograph and didn’t get a chance to this time please sign up for the waitlist or reach out to one of our stockists.

Contact us for a list of distributors.

THE EM-74 | CHRONOGRAPH ANALOG CV & TRIGGER SEQUENCER, IS THE COMPACT (74HP) SECOND EDITION VERSION OF THE ORIGINAL EM-6A CHRONOGRAPH SEQUENTIAL RHYTHM GENERATOR (84HP).

IT IS THE RESULT OF OF OVER THREE YEARS OF IN-DEPTH RESEARCH INTO THE CIRCUITRY AND MECHANICS OF VINTAGE ANALOG STEP SEQUENCERS. IT IS THE SECOND EDITION OF THE SEQUENCER MADE INTO A MORE COMPACT FORM FACTOR AT 74HP.

***OPTION TO EXPAND INTO A FULL FLEDGED SEQUENCER SYSTEM AKA THE LAB SYSTEM SEQUENCER. THIS INCLUDES M.G.T. SEQUENTIAL SWITCH AND THE D.F.A. CLOCK DIVIDER MODULES HOUSED IN A CUSTOM ALUMINUM BODY CASE. FOR INQUIRIES OR ORDERS PLEASE MAKE A REQUEST AT ALEX@CIRCUITS.LA.

THE DEVICE FEATURES:

• THREE ROWS OF 8-STEP C.V. GENERATORS WITH INDIVIDUAL CV RANGE AND GLIDE CONTROLS FOR EACH ROW.

• START/STOP,  STEP, RESET STYLIZED BUTTONS MADE FROM VINTAGE KEYBOARD KEYS VINTAGE KEYBOARD KEYS AS BUTTONS, A UNIQUE DESIGN ELEMENT THAT FUNCTIONS TO PROVIDE EASE OF ACCESS AND SPEEDY RESPONSE TO THE ESSENTIAL FUNCTIONS: START/STOP,  STEP, RESET.  EACH BUTTON WITH A DEDICATED CV INPUT.

• AN INTERNAL CLOCK OSCILLATOR WITH A FREQUENCY RANGING FROM .05 HZ TO 45 HZ.  THE INTERNAL CLOCK MAY BE MODULATED VIA THE ONBOARD C.V. INPUT.  THIS OSCILLATOR MAY ALSO BE ROUTED EXTERNALLY VIA THE CLOCK OUTPUT.

• TRIGGER ASSIGNMENT AND POSITION VISUALIZED ALONG THE BOTTOM ROW OF THREE-POSITION (ON-OFF-ON) MINI SWITCHES. EXTERNAL CLOCK INPUT WITH MANUAL STEP FUNCTIONALITY.

• AN EXTERNAL CLOCK INPUT FUNCTION, WHICH ALLOWS CHRONOGRAPH TO BE UTILIZED AS A ‘GRAPHIC’ VOLTAGE-CONTROLLED OSCILLATOR—THEREBY ENABLING THE USER TO CREATE AND MANIPULATE COMPLEX WAVESHAPES.

• VOLTAGE-CONTROLLED ‘SKIP,’ WHICH IS BUILT ON A SEPARATE INTERNAL HIGH-SPEED OSCILLATOR. THIS SECONDARY VCO MAY BE MODULATED VIA THE ‘EXT. TRIG IN: SKIP’ INPUT, IN ORDER TO CREATE COMPLEX GLITCH PATTERNS.

• THE HIGH-SPEED OSCILLATOR MAY ALSO BE USED TO PRODUCE RANDOMIZED AND/OR HIGHLY CHAOTIC RHYTHMIC EVENTS. (THIS SUB-CIRCUIT DESIGN WAS INFLUENCED BY THE SKIPPING FEATURE FOUND IN THE VENERABLE ARP 1601 SEQUENCER).

• LED LAMP INDICATORS FOR EACH STEP POSITION.

• LED LAMP INDICATORS CORRESPONDING TO THE THREE TRIGGER SECTIONS.

• A VERSATILE FREQUENCY DETECTOR AND DIVIDER CIRCUIT, WHICH GENERATES SQUARE WAVE SIGNALS DERIVED FROM THE FREQUENCY TRANSMITTED TO ITS SIGNAL INPUT JACK.

• END PULSE OUTPUT FUNCTIONALITY.

SPECIFICATIONS:

MODEL: EM-74

PRODUCT SKU: 723-074

DIMENSIONS: 74 HP (3U)

PANEL: 2.00 MM ANODIZED ALUMINUM

SKIFF: 47 MM

POWER: +/- 12V | 94 MA

NOTICE: PLEASE USE THE KEYED RIBBON CABLE PROVIDED. USE OF ALTERNATE POWER CONNECTOR MAY RESULT IN A VOIDED WARRANTY.

1YEAR LIMITED WARRANTY