Retro Instruments Sta-Level Dual Channel Mic Preamps A variable passive high pass

A variable passive high pass filter provides a minimum phase shift design while eliminating low frequency rumble

California

including the API 2520 Op Amp

the M 150 Tube is not a reissue but an entirely new microphone in its own right

As time goes by

Retro Instruments Sta-Level Dual Channel Mic Preamps A variable passive high passWhy You Need The Retro Instruments Sta Level Tube Compression Amplifier: Modern Recreation of the 1956 Gates Sta Level, whose sound dominated on hits in the 1960's Utilizes classic G. E. circuit design and optional 6386 tubes Tube balance can be instantly aligned without test equipment Change tubes to your liking, unit can also accommodate 2 6BJ6 tubes Couple together 2 Sta Levels for more options Hand matched audiophile grade coupling capacitors High