Quote Originally Posted by wingsdad
If you mean the black plastic 'cap' on the business end of it with the Shure name, model, LoZ and cardioid pattern markings, a little up & down play when you pull on it is normal, as is spinning around void as if you're screwing a bottle cap on or off. Or else my 57's been defective for 30 years.
Yup, that's it. I checked an SM57 at church for comparison purposes this morning, and I found it to be like you described. Good to know -- now I can really celebrate!