To achieve the least amount of noise, we recommend keeping the Pre-Ampknob at unity gain or higher. Experiment with the interplay between your instrument and the SansAmp PSA.

For best results, do not set the Pre-Amplevel lower than unity gain when the Drive knob is at 9 o’clock or higher. However, if you want a crystal-clear sound and the Drive control is already near minimum and there’s still too much overdrive, decrease the Pre-Amp’s level as needed.

Pre-Ampalso influences different types of overdrive. For instance, a high setting emphasizes pre-amp distortion (see Boogie® Lead-style setting), as opposed to when Drive is in a high set- ting, which emphasizes power amp distortion (see Vintage Marshall®-style setting).

CHARACTER CONTROLS

Character Controls offer tremendous flexibility in adjusting tonality, gain structure, and har- monic content.

BUZZ

Controls the low-end break-up and overdrive. You can boost the effect by turning clockwise from the center point indicated by the arrows, and cut by turning counterclockwise. When you turn towards maximum, the sound becomes (you guessed it) buzzy. For a clean setting, increase the setting in small increments. For increased definition when using distortion, position the knob at its midpoint or towards minimum.

PUNCH

Sets the amount of midrange break-up and overdrive. Boost or cut from the center point indicat- ed by the arrows. Decreasing from the center point produces a softer, Fender®-style break-up. Increasing its setting creates a harder, heavier distortion. At maximum, it produces a sound simi- lar to a wah pedal at mid-boost position placed in front of a Marshall® amp.

CRUNCH

Brings out the upper harmonic content and pick attack. For a smoother high end and for clean settings, decrease to taste.

DRIVE

Like the volume control on a non-master-volume tube amp, Drive increases the amount of power amp distortion. In live applications, we recommend using less Drive than when direct recording. This compensates for the natural sustain of high volumes.

LOW AND HIGH

These active low-end tone controls are specially tuned for maximum musicality when used to EQ instruments. Boost or cut ±12dB from its center point indicated by the arrows.

LEVEL

Simultaneously adjusts the output level of the rear-panel XLR and 1/4" outputs, and Effects

Loop Send.

TRIM

For live performances, this control globally adjusts the level of all presets so you don’t have to individually adjust each setting on stage. Be aware that if you have any settings with the Level programmed close to/at minimum or maximum, the Trim pot will not be as effective.

Additionally, when using an external effects processor in the Effects Loop, set Trim at maxi- mum before you adjust the input level of the processor. This will ensure you have enough head- room when you utilize the Trim control on stage.

3-DIGIT LED DISPLAY

Because the SansAmp PSA is fully programma- ble, everything you do is monitored by its inter- nal processor. And everything you need to know is in these three digits. This display is readable from any angle, in daylight or darkness. It tells you which program is active, whether any knob’s setting has been changed, when a program is stored, and when MIDI functions have been

activated. (Refer to the sections on programming your SansAmp PSA and using MIDI for spe- cific information regarding the display’s functions.)

SAVE SWITCH

The Save switch stores your custom settings in the memory of the SansAmp PSA. It also gives you access to the Special Page function menu. It is purposely recessed into the front panel to make it difficult to inadvertently push. You can use a guitar pick, a pen tip, or a well-placed fingernail to push it.

UP AND DOWN BUTTONS

Pushing either of these switches once counts up or down through the programs one at a time. Holding the switch down moves quickly through the program numbers.

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Tech 21 PSA-1.1 warranty Loop Send