Source Audio ZIO

Source Audio ZIO Analog Front End + Boost

The Source Audio ZIO is an all-analog preamp / boost pedal that offers a choice of four different preamp circuits, each with up to +20 dB of additional output boost. The goal in developing the ZIO Analog Front End + Boost was simple but ambitious: 'Make Everything Sound Better!' ZIO is Source Audio 's first all-analog effects pedal and was developed in collaboration with Christopher Venter, owner and sole engineer of SHOE Pedals. The ZIO is an extremely flexible pedal that can be used for many applications at different points in the signal path: At the beginning of the effects chain to change the overall sound, after the drive pedals either as a 'tone sweetener' or as a clean volume boost, as well as at the end of the signal path to compensate for long cable runs or to emulate the sound of a guitar going directly into the amp's input. The ZIO can also be used in the FX loop to saturate the power amp or to compensate for a level difference between two channels. The word 'ZIO' is an acronym for impedance ('Z' is the electrical symbol for impedance), input (input - 'I') and output (output - 'O'). The pedal is designed to take the high impedance signal from a guitar, enhance the sound with one of the four preamp circuits and output a strong, low impedance signal that is not altered by the buffered dry tones from effects pedals further down the signal chain. Low-noise, high-fidelity Burr-Brown op-amps give the Source Audio ZIO extreme clarity and fast, dynamic response while preserving the character and warmth of the instrument. The ZIO offers four selectable preamp circuits: JFET provides a completely transparent signal boost with no coloration or distortion. LOW-CUT reduces 'muddy' bass components for a tighter sound with additional headroom. STUDIO was inspired by the time-honored 'Pultec trick' - a studio technique that creates clarity in the sound and reduces 'muddiness' in the signal. E-PLEX captures the focused, subtle grit of the preamps found in vintage tape delays. The ZIO's Tone toggle switch offers three different capacitance levels (or simulated cable lengths) to brighten or darken the sound.

• Preamp / Boost effect pedal
• 4 selectable preamp circuits (JFET / LOW-CUT / STUDIO / E-PLEX)
• JFET for transparent, flat frequency curve
• LOW-CUT attenuates bass without affecting the mids and highs
• STUDIO simulates 'Pultec Trick' EQ
• E-PLEX was inspired by the preamps of old tape delay units
• Output control with up to +20 dB signal gain
• high-quality components and Burr Brown JFET operational amplifier
• 3-way tone toggle switch with cable capacitance voicing (bright / medium / dark)
• 2-way footswitch action toggle switch (with always-on mute option)
• True Bypass
• Output control
• Circuit rotary switch
• Tone toggle switch
• Footswitch Action toggle switch
• Bypass footswitch
• Status LED
• Brushed, anodized aluminium housing
• 6.3 mm mono jack input / output
• 6.3 mm mono jack tuner / line output
• Power supply via optional 9V DC power supply unit, 2.1 x 5.5 mm barrel connector, polarity (-) inside
• Battery operation not supported
• Power consumption 25 mA
• Dimensions (L x W x H) 105 x 60 x 56 mm

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