The following list of products are no longer produced by Amptek

Below are links to the specifications (in pdf) of the obsolete product.  Adjacent to the obsolete product is the name of and link to the most appropriate replacement.

Obsolete ProductReplacement Product
Amptektron MD-501/MD-502None
DP4 OEM Digital Pulse ProcessorDP5 OEM Digital Pulse Processor & MCA
MCA-8000A Pocket Multichannel AnalyzerMCA-8000D Digital Multichannel Analyzer
PX4 Digital Pulse Processor, MCA, and Power SupplyPX5 Enhanced Digital Pulse Processor, MCA, and Power Supply