USED Weber MiniMass 50-Watt Attenuator black

Very Good condition, 7,5/10, Made in USA, no box included, more info: MiniMASS 50w Attenuator Designed for use with 35w amplifiers and lower. NOTE: The Minimass is not to be used with a Super Reverb. (If you have a Tweed Bassman or Super Reverb, you should get the Mass 100 according to the manufacturer) This attenuator has a main volume knob and 3-position treble compensation switch which affect the signal to the speaker. The line out signal is dependent on your amplifier settings. Impedance selector for 4, 8, 16 ohms, 3-position treble compensation switch, MASS bypass switch, unbalanced line out. The MiniMASS employs an actual speaker motor for realistic interaction between the attenuator and the output circuit of the amplifier. The attenuation is continuously adjustable from about -3dB to over -50dB. By turning the speaker control to minimum (maximum attenuation), the unit may be used as a dummy load for testing or for DI use. 5.5 x 5.5 footprint (add 1 in front for knob). 3.75 tall. 3.35 lbs basic.