DIYRE 73P Module - Fully Built and Tested An on-board 75Hz low-end roll-off

An on-board 75Hz low-end roll-off will temper this proximity effect when not desired

TR 14 and SR 14 microphones we wanted to create a classic vintage-style ribbon microphone in the vein of the early RCA microphones

Very Low Self Noise

The 73P is complete in that it adheres to the original

DIYRE 73P Module - Fully Built and Tested An on-board 75Hz low-end roll-offThe 73P is an authentic, complete adaptation of the vintage 1073* mic preamp circuitry to the 500 series format. The 73P is authentic in that it uses only components that are hand selected to match the original, and there are no changes to any of the preamp circuitry. The 73P is complete in that it adheres to the original, three stage amplifier design. Module fully hand built and tested by Siegfried Meier of Beach Road Electronics. Made to order!