Buy a Subscription or purchase a single lookup.

Preamplifiers: Solid state

NameNotesRetailAverage
410
610
610b
630with tuner
CA-5with min controls, 7 inputs
CA-5 mkII
CA-5a mkIIprecision relay switching
CA-7
CA-7awith remote
DS-170digital timer
MB-150with mc
PS-100power supply
RM-610switch panel