Electrocomp EML 400 401 Sequencer

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via this eBay listing

Additional Tone Tweakers Listings

"This unit was previously modified to include an audio output jack for vco2. This allows frequency modulation (FM) of the oscillators or filter which nicely expands this examples sonic palette beyond a stock 400's.

We did the following work to this unit. The items at the top of the list are things we consider normal servicing. The ones at the bottom labelled preventative are future-proofing measures that other sellers rarely take (they often don't even service them either).

Cleaned inside and out.

Replaced power cable.
Cleaned and lubed switches and pots.
Replaced jack washer nuts.
Replaced some screws.
Replaced all electrolytic capacitors - preventative.
Calibrated vco1 vco2 cv exp cv - a must after a recap.
Replaced IC socket (14pin x 16) - preventative.
Replaced all pins inside multipin connectors on unit and inside connector cable - preventative."