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Catalinbread Epoch Boost Preamp Guitar Effect Pedal
Catalinbread Epoch Boost Top
Catalinbread Epoch Boost Guitar Effect Pedal Angle
Catalinbread Epoch Boost Box Manual Extras
Catalinbread Epoch Boost Guitar Effect Pedal Angle

Catalinbread Epoch Boost

Regular price $149.99

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Catalinbread Epoch Preamp EP3

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You’ve heard the rumors: Some of rock ‘n’ roll’s greatest tones were achieved without pedals. Not so fast! While that’s technically true, some of the most venerable guitar gods relied on an old tape echo unit to help achieve their legendary tones. This unit is the Maestro Echoplex EP-3. While some guitarists made great use of its echo effect, others dragged one to every gig just for its magical preamp. This preamp circuit was wired always-on, and so even those using it as an echo effect received significant tonal enhancements from the preamp circuit as well. Everyone from Eddie Van Halen to East Bay Ray of the Dead Kennedys relied on the EP-3 preamp to take their sound to previously unreachable heights. And now you can also, with our Epoch Boost.

Around the shop, we refer to the Epoch Boost as a “mastering pedal,” because it sounds like your base tone, but sculpted to perfection by a mastering engineer. This is accomplished by employing the same internal circuitry as a real EP-3, from the NOS Orange Drop capacitors to the output mixer stage that acts as a rudimentary frequency selector---it’s all there. We’ve taken the liberty of kicking the internal voltage all the way up to 22 volts, just like the original unit, giving you unparalleled headroom and clarity. Inside, we’ve included a switchable hi-Z input buffer if you’d like to use the Epoch Boost as your only pedal (don’t worry, we won’t judge). The Boost control gives you just the EP-3 tone when rolled off, but adds up to 20dB of crystal-clear boost as you crank it. And trust us, you’re gonna want to.

BALANCE: Because the "Early" EP-3 models total less than 500 units, it's very likely that most people have never experienced the sweep of this control, but here goes. Instead of being a standard volume control, the Balance control pans between two different signal paths: the combination of the preamp and the mixer circuit, and something similar but different. The result is a volume control on the first half, and a rudimentary frequency enhancement on the second half. Anything above noon on the Balance control will gently push different frequency bands, with the most perceived loudness halfway between 2 and 3 o'clock. Think of it as a pickup selector control or or a very unique EQ control.
BOOST: While the Balance knob and accompanying circuitry gives you the magic, the Boost control takes the versatility to the next level. When set all the way counterclockwise, the signal is at unity gain (plus wherever the Balance knob is set); there is no boost happening. As you roll it up, the Boost control sets the gain level of the preamp, adding a ton of sparkle and volume which can shake hands with the most stubborn of amps. Set your amp right on the verge of breakup, set the Boost to taste and watch even the most sterile rig spring to life.
INTERNAL HI-Z BUFFER: For those of you running tons of true-bypass pedals or extremely long cables, our super-transparent internal buffer will recover any treble lost on the way to the amp. It is factory set to OFF, and occurs BEFORE the EP-3 circuit
Pocket-sized reproduction of the “early” EP-3 preamp Up to 20dB sparkling, dynamic boost on tap 22V shunt-regulated internal power supply---BYO 9V supply

NOS Sprague Orange Drop capacitors just like the original Closest production JFET we could find to original TIS58 Biased a tad hotter than the stock unit for extra warmth

Internally switchable hi-Z input buffer restores high end lost due to cable capacitance

Super-sharp embossed enclosure Accepts 9VDC center-negative power ONLY.

MEASUREMENTS
Current draw: 2mA
Input impedance (no buffer): 750K
Output impedance: 100k
Dimensions: 4.33” X 2.36” X 1.93”
Weight: 0.4 lbs

The Epoch Boost requires a 9VDC supply with 18mA of CURRENT. You can, of course, give the Epoch Boost more current than it needs. However, because of the charge pump circuit, do NOT run the Epoch Boost on anything higher than 9V. Bad things will happen, including and not limited to your warranty being voided.

Catalinbread Epoch Boost Manual
Catalinbread Epoch Boost Guitar Effect Pedal Angle
Catalinbread Epoch Boost Box Manual Extras