The Josh Grossenbacher Signature diaphragm is a pinnacle of craftsmanship, meticulously hand-built by Josh Grossenbacher himself. This diaphragm features a tight tension with heavy latex, complemented by a V-notched top reed and a short-notched lower reed. This design allows for a comprehensive range of turkey sounds, from loud, raspy calls that capture attention to soft, clear coaxing for more cautious birds. Its versatility ensures it performs exceptionally in any field situation, offering both volume and subtlety. The Josh Grossenbacher Signature diaphragm is not just a tool, it's a masterpiece that exceeds expectations. The triple reed design with a V-Notch cut improves raspiness and clarity, creating an authentic sound capable of deceiving even the most wary game This call provides a wide spectrum of tones, from raspy to clear, allowing it to adapt to different situations and ensuring preparedness for any hunting scenario