STUDIO REPAIR - E-mu Drumulator - Level DAC

Picture Content Information
▪ Device:		E-mu Drumulator
▪ Topic:		Level DAC
▪ Abstract:		…
▪ Owner:		Equipment courtesy of Les Trucs
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

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E-mu Drumulator • Level DAC

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E-mu Drumulator - Circuit Board * Rear view

E-mu Drumulator - Opened * An upgraded unit with ROM expansion and MIDI interface.

E-mu Drumulator - MIDI Board * Steinberg Research AK DRUM - MIDI expansion board

E-mu Drumulator - MIDI Expansion * Steinberg Research AK DRUM / Amptown Drumu v2.1 - MIDI expansion board

E-mu Drumulator - Circuit Board * …

E-mu Drumulator - Sound ROMs * …

E-mu Drumulator - Converter * The main D/A converter (AM6072)

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E-mu Drumulator - Level DAC - Image by - Equipment courtesy of

E-mu Drumulator - Tom Filter * SSM2044 filter for toms

E-mu Drumulator - Channel Demux * A DMX-88 from Precision Monolithics Inc. serves as the channel demultiplexer

E-mu Drumulator - Imprint * Imprint on the circuit board. Never a beat off…

E-mu Drumulator - Display * …

E-mu Drumulator - EPROM Content * The first bytes of the operating system EPROM

E-mu Drumulator - Power Supply * Mounting of the +5V voltage regulator

E-mu Drumulator - Bridge Rectifier * Maintenance & Repair - Replacement of the four rectifier diodes by a bridge rectifier

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