User manual CAD AUDIO VSM

[. . . ] The head amp in the VSM microphone is a 12AX7 tube in a circuit that is optimized for maximum headroom and low noise. The output stage is a high speed dual opamp in a balanced differential configuration that allows long cables to be used without affecting microphone performance. True large diameter capsule with 1. 1" inside diameter. (1. 34" outside diameter. ) 3 Micron thick high tension, diaphragms made from the latest high strength polymer film. [. . . ] To remove the shock mount, unscrew the two knurled knobs on either side of the microphone and the knurled knob in the back of the microphone. Power Supply The VSM power supply is set for 117VAC operation at the factory. (For units sold in the U. S. A. ) For 220VAC operation, change the switch on the rear panel of the supply to 220V. This Microphone Demands Respect!!* * For the potentially lethal voltages inside the microphone and power supply during operation. Never open the microphone housing when it is connected to the power supply. The power supply should only be opened by a qualified service technician. Fuse The fuse holder for the VSM power supply is located on the rear panel. In the event that the fuse needs to be replaced, make sure to select a replacement fuse of equal rating. VSM Power Supply Tube Replacement VSM Switch Functions -16 dB Pad Engaged -8 dB Pad Engaged The tube used in the VSM has been hand selected for low noise, and burned in to provide years of service. The actual number that appears on the tube in your microphone may be different. This tube is a very popular type used in a variety music and recording related products. However, to insure continued operation within factory specs, it is recommended that you purchase replacement tubes from CAD. To gain access to the tube, first disconnect the microphone from its power supply. Remove the microphone from the shock mount by unscrewing the two knurled knobs on either side of the microphone head. Then unscrew the single knurled knob on the back of the mic near the XLR connector. Remove the switch bezel by removing the screws on the sides of the bezel. Remove the mic housing by unscrewing the two screws on the end of the mic near the XLR connector. Carefully slide the housing off, making sure the housing clears the small toggle switches. Replace the body by sliding it over the chassis, being careful to clear the toggle switches. Note: If the screws in the switch bezel do not align properly, the body may not be fully seated. [. . . ] 3 pin XLR, audio out from power supply, gold plated Cable: Professional quality 7 conductor, 30 ft. Finish: Matte grey housing, nickel plated screen assembly with black accents. Dimensions (Microphone): 2. 42" x 2. 87" x 6. 84" long. VSM Specifications VSM Frequency Response and Polar Characteristics Included Accessories: 30 ft. [. . . ]