Audio-Technica Consumer Universal Headshell for 4-Pin Turntable Cartridge - Silver premier-bob-weir-bedford For this reason

For this reason

the 210/9 sets the standard for professional microphone boom stands

Acoustic Principle: Pressure Gradient

Time   Delay Time is 0-180ms

Earset headworn omnidirectional microphone delivers exceptional speech clarity and enhanced plosive protection with no proximity effect

Audio-Technica Consumer Universal Headshell for 4-Pin Turntable Cartridge - Silver premier-bob-weir-bedford For this reasonThe lightweight aluminum AT HS10SV is a universal " mount headshell for 4 pin turntable cartridges. Featuring an aluminum die cast body, the AT HS10 is designed to keep vibration to the bare minimum. The finger lift is positioned near the front of the headshell to enable precise placement of the stylus onto the record. The headshell is equipped with gold plated lead wires for lossless signal transmission and comes with mounting screws. Specifications: