Rare JZ J1 condenser microphone

Made in Latvia by JZ microphones, the J1 is a side address small diaphragm condenser microphone. The J1 was nominated for a TEC award at NAMM in 2013. These don’t come up that often on the used market, as they were only manufactured for about five years.

Specs:

• Transducer Type: True electrostatic (Condenser)
• Operating Principle: Pressure gradient
• Diaphragm Active Diameter: 21 mm
• Capsule Technology: Patented Golden Drop sputtered diaphragm
• Polar Pattern: Unidirectional (Cardioid)

• Frequency Range: 20 Hz to 20 kHz
• Sensitivity: 22 mV/Pa at 1000 Hz into 1000 Ω load
• Equivalent Noise Level: 6 dB-A (DIN/IEC A-weighted) — remarkably low self-noise for its class
• Maximum SPL: 134 dB (for 0.5% THD at 1000 Ω load)
• S/N Ratio: 88 dB-A (DIN/IEC 651 A-weighted)
• Dynamic Range: 130 dB (internal preamplifier)
• Output Impedance: 50 Ω
• Rated Load Impedance: 1000 Ω 

• Circuitry: Transformerless design
• Power Requirements: +48V Phantom Power (+/- 4V)
• Current Consumption: < 1.5 mA
• Output Connector: 3-pin XLR male with gold-plated pins