FET Condenser Microphone. The WA-47jr is an FET transformerless version of the highly renowned classic ‘47 microphone that has been used on countless hit records for the last 50+ years. The WA-47jr is fully discrete, has 3 polar patterns and is designed for pro studio, home studio, live, and broadcast applications. The WA-47jr sounds great on vocals, acoustic/electric guitars, acoustic/electric bass, drums, piano, strings, brass/woodwind instruments, and an array of other sources. Pad: -10 Db. High pass filter: 70 Hz. Self noise: 9 Dba. Dynamic range: 138 Dba. Max SPL: 147/157 Db. Frequency range: 20 Hz~20 Khz. Sensitivity: 10 MV/PA OR -40 Db. Output impedance: 100 Ohm. Rated load impedance: ≥1 Kohm. Equivalent noise: 10 Dba. Weight: 0,5 kg. Mic diameter: 52 mm. Mic length: 210 mm. Includes: shockmount, hard mount, storage pouch.