Vibrato LLC GlassJaw Vacuum Tube Overdrive - Pedal of the Day

Vibrato LLC GlassJaw Vacuum Tube Overdrive

Posted By Pedal of the Day on Wednesday, March 25, 2020 in Overdrive / Distortion, Vibrato LLC | 0 comments



Vibrato, LLC GlassJaw Vacuum Tube Overdrive

Overdrive pedals that use actual tubes in them are not very common, but we checked on out a couple weeks ago (the Xtonebox Plexi Heritage), and are going to check out another one today! Yay Us! Today’s gem, the GlassJaw, comes to us from Vibrato, LLC, and is a high voltage vacuum tube overdrive pedal.With a dead simple control section and warm, sweet-sounding, amp-driving tones pouring from it, this is the kind of pedal you’ll want to leave on all the time.

Using a 12AX7/ECC83 tube internally, the GlassJaw works great as a boost or as a drive. A JFET (MMBFJ292) transistor pre-amp drives the first stage of the tube, giving solid state amps a real tube-amp sound, and keeping your classic tube amp sounding brilliant. The 12v input voltage generates +150vDC via an internal Buck-Boost power supply, for maximum output power. The Output knob controls the audio output, while the Saturation knob sets the distortion level, from clarity to gritty and all points in between.

Another fun fact about the GlassJaw: as soon as the +12vDC is plugged in, the Vacuum Tube “Heater” and High Voltage “Plate” Voltages are active (even when the true-bypass Foot Switch is on or off) to prevent a delay in sound output due to the need for the Vacuum Tube to warm up, just like vacuum tube amplifiers. Pretty fancy stuff for an effects pedal, right? This pedal is a real set-it-and-forget-it kind of effect, and while the tones produced aren’t insanely distorted or sound like a wall of bees, the Vibrato LLC GlassJaw Vacuum Tube Overdrive adds that special tube warmth and tone to any rig, making your notes pop, your chords sustain and your overall sound improve immensely. Give it a listen in our demo video below, and head over HERE to grab one for yourself when you’re finished.

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