YOUR BEST SOURCE FOR PRO AUDIO GEAR. Warm Audio WA-47 Large-Diaphragm Tube Condenser Studio Mic Recording Microphone. Warm Audio WA-47 Large-Diaphragm Tube Condenser Microphone (B-Stock). Blast from the past. The WA-47 is an all vacuum tube, large diaphragm, transformer balanced, multi-pattern (9), large condenser microphone, based on the classic’47 that has been used on countless […]... Read More