This attenuator has two knobs for tonal control. The main volume is controlled by the large Speaker knob. Then to control the treble, use the Treble Compensation knob. The treble control is always dependent on the main volume control. Be aware that the higher the setting on the main knob, the less the effect of the treble compensation. For instance, if you turn the main knob all the way to 10, you'll notice very little change in the tone as you turn the treble compensation from one end to the other. The line out signal is dependent on your amplifier settings.
200 watt MASS with a moving voice coil speaker motor for the load. This unit is impedance swamped to protect the output of your tube amp, and may be used with 4, 8, and 16 ohm amps. Includes adjustable Line Out, System Bypass, and Variable Treble Compensation. Volume level is continuously variable to over 50db of attenuation.
This item is hand-built to order, to ensure the best attention to detail is paid to its construction. We build them one at a time, on a table - not hundreds at a time on an assembly line. This allows us to reduce the margin for error and produce an overall higher-quality product.
Like all Weber attenuators, setting the speaker control to minimum (maximum attenuation), allows the MASS 200 to be used as a dummy load for testing or for DI use.
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