ZVEX Box of Rock Vertical Pedal

Box of Rock™

The Box of Rock™ is ZVEX Effect’s first “distortion” pedal, highly specialized to simulate the “everything on 10” sound of a classic Marshall® JTM45 non-master-volume amplifier. You may use the Box of Rock™ effectively with many different amplifiers. Once you’ve set your maximum needed drive on the pedal, use your guitar’s volume control to adjust for the exact amount of distortion you need, all the way down to very clean and clear with most drive settings.

The Box of Rock™ also contains an extremely high-headroom, unity-to-50X gain booster with nominal input impedance and low hiss. It is very similar to the SHO boost circuit, with refinements to make it sound more like a standard amp input and less glassy. The boost channel can be used alone or in conjunction with the “distortron engine” channel. The boost channel follows the distortion channel so that the distortion is able to hit your amp harder (at a higher volume) when both switches are engaged, for boosting solos and what-not. Look out when boosting what-not.

Features:

• JTM45 Amp-in-a-Box: Replicates the rich, organic crunch of a vintage 1966 Marshall JTM45 amplifier.
  
• Independent Clean Boost: Houses a high-headroom, ultra-low-noise booster that functions with or without the distortion.
  
• Vertical Layout Enclosure: Swaps the original wide horizontal design for a standard portrait footprint to save pedalboard space.
  
• Dynamic Gain Tracking: Highly touch-sensitive circuit that cleans up effortlessly using your guitar’s volume knob.
  
• Vexter Series Value: Utilizes printed graphics instead of hand-painting to lower costs while keeping identical boutique electronics.
  

Controls:

1. VOLUME - Adjusts the output volume level of the "Distortron" overdrive engine.
2. TONE - Regulates the high-frequency treble content to shape overall brightness and cutting presence.
3. DRIVE - Adjusts input gain and distortion saturation, running from edge-of-breakup grit to spongy tube amp crunch.
4. BOOST - Sets the output volume level of the independent boost channel.

Specifications:

• Circuit Type: Analog Overdrive / Distortion & Boost.
  
• Bypass Type: True Bypass switching for both channels.
  
• Input/Output: Standard 1/4" mono guitar jacks.
  
• Dimensions: (LxWxH) 4.31" x 2.63" x 2.00"
  
• Power Requirement: Standard 9V DC power supply (center-negative barrel) or a 9V battery.
  
• Current Draw: Extremely low 3 mA for highly efficient power routing.