Ehx East River Drive Schematic

When the effect is engaged the led will be lit.

Ehx east river drive schematic.

The ac adapter must have a center negative. Based around the venerable jrc4558 chip the east river drive is set apart from the rest of the pack in that analog man mike pierra assisted with the design work. The east river drive delivers definitive jrc4558 style overdrive. Electro harmonix covers the world in fuzz with three new overdrive distortion pedals.

9v power jack the east river drive can run off of a 9v battery or you can use an optional 9vdc ac adapter capable of delivering at least 25ma to the 9v power jack such as the ehx9 6dc 200. On both fully ccw corresponds to the heel position while fully cw to the toe position. The hot tubes is an exact re creation of the cmos classic rarity circa 1978. Electro harmonix introduces the compact cntl knob which lets a player set two preset values that represent two positions of a traditional expression pedal and toggle between them with its footswitch.

In his own words ehx nailed the ts808 circuit and did a good job with the part selection. It doesn t change your tone just gives it a steroid injection. Built to last and at a value packed price the electro harmonix east river drive belongs on your pedalboard. Its symmetrical overdrive delivers edge and bite without compromising tone.

Input jack this jack is the audio input for the east river drive. Footswitch and led the footswitch selects whether the east river drive is engaged or in true bypass mode. A busy but tidy integrated circuit sits snugly inside with the jrc4558 situated at the center and the pedal has a sturdy road ready. The east river drive is ehx s first overdrive pedal built around the jrc4558 ic.

The east river drive is built into ehx s compact nano sized enclosure and like all its nano sized cousins it s a canvas for electro harmonix s arresting enclosure graphics and a study in design economy. The east river drive brings you the quality you expect from electro harmonix including a near bulletproof design and true bypass signal path. The drive of the original classic big muff pi and the earthy support of a bass tailored design with no loss of low end. The cntl knob s exp 1 knob selects the first expression setting and the exp 2 knob the second.

Employing both old and new technology from vacuum tubes to discrete transistors to ic chips we are able to produce a broad. Amp jack this jack is the audio output from the east river drive. The output impedance is 250 ohm. Amp jack this jack is the audio output from the east river drive.