Behringer MIC2200 V2 Vacuum Tube Microphone Preamplifier Rack Mount Mic PreAmp | Reverb
Amazon.com: Behringer ULTRAGAIN PRO-8 DIGITAL ADA8000 Audiophile 8 Channel A/D and D/A Converter with Premium Mic Preamplifiers and ADAT Interface : Musical Instruments
Behringer ULTRAGAIN PRO MIC2200 2-Channel Tube Microphone
Behringer Ultragain Pro Model MIC2200 Tube Mic / Line Preamp. | eBay