– a Lightweight aluminium diaphragm and bell chest piece construction for wide frequency response.ﾠ
– Diaphragm diameter: 43mm.ﾠ
– Adjustable chrome plated brassﾠbin-aural.ﾠ
– One piece molded PVC tubing provides good sound and transmission.ﾠ
– Tube length: 55cm.ﾠ