Echoplex EP-2

I overhauled this late 60's unit - replaced all the electrolytic capacitors, cleaned/demagnetized the heads, built a new tensioner arm, and calibrated the levels/bias.  In addition, I added a simple mosfet regulator to the DC power supply, providing a super clean ripply free 260V to the preamp (voltage dropped to match the schematic - it was up near 380V without it), and built a DC heater supply for the preamp tubes - again to keep the unit as quiet as possible.  This one sounds amazing - the delays are incredibly clear and accurate with just the slightest modulation.

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