We hear no rattles in the detector end.
Seems to be a bear spot on the detector window though the covering is intact.
We do not have the means to test ourselves.
Detector - NIGC1520
PreAmp - RG-11B/C
Bias Voltage - 2500V neg
Cyrostat - NPR30L
We are selling AS-IS, no returns due to size and lack of testing.
Selling to US customers only.
Please note that this item will need to ship via freight.
After purchase an email will be sent with all the information needed for you to make your freight shipping arrangements.Please click here for our policies on freight shipping.