The Electrodyne 501 is a two stage discrete transistor, transformer coupled preamp with active DI, using classic (1969 / 1970) design technology. Each amp stage is individually optimized for peak... View more
The Burl B1D is the same as the B1 except that it has an all iron BX4 output transformer giving it a more terrifying rock tone. Single channel mic pre for 500-series. An all discrete transistor,... View more
The Avedis MD7 is 500 series preamp with 64 dB of gain in 4dB step increments and input trim control. It also features a Send/Return for outboard insert capability. Gain range from 0dB - 64dB in 4dB... View more
The Grace Design m501 is our 500 series module version of the venerable m101 mic preamplifier. The signature transparency and detail of our circuit designs in 500 series. While the 500 series market... View more
