Available as an assembled Module and as a DIY project.
This Module is currently available.
500 series Class A mic pre
http://www.audiomaintenance.com/acatalog/aml-17-038_extended_info.html
AML ez1073-pre$594.75
AML ez1073-pre$597.65
AML ez1073-pre MK2$696.92
AML EZ1073MK2$639
AML ez1073$1,459.52
AML ez1073-pre$1,075
