The predecessor to Shure SM57, with on-off switch. Mint in box with manual. As good as new. Bought as spare, never used. Selling at $100 firm. SMS nine 829 three 556.
"The predecessor to the SM57, the 545SD Classic Unidyne® Instrument Microphone is a dual-impedance, unidirectional, dynamic microphone. Shipped connected for low-impedance operation, the 545SD features a silent magnetic reed on/off switch with lock-on option. A favorite for instrument pickup and recording, the 545SD can also be used on lecterns in public address systems."
Pic and specs: http://www.shure.com/americas/produ...c/545SD-classic-unidyne-instrument-microphone
"The predecessor to the SM57, the 545SD Classic Unidyne® Instrument Microphone is a dual-impedance, unidirectional, dynamic microphone. Shipped connected for low-impedance operation, the 545SD features a silent magnetic reed on/off switch with lock-on option. A favorite for instrument pickup and recording, the 545SD can also be used on lecterns in public address systems."
Pic and specs: http://www.shure.com/americas/produ...c/545SD-classic-unidyne-instrument-microphone