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audio sample : women voice
audio sample : man voice
- Groove Tubes GT5840M tube preamp
- Four switchable polar patterns: Omni, Cardioid, Figure 8, Super-cardioid
- Switchable -10dB pad
- Switchable low frequency roll-off (80Hz)
- Hi-Pass Filter 80Hz, 12dB/octave
- Frequency Response 20Hz to 20kHz, ± 1.5 dB
- Equivalent Noise 23dB SPL
- Sensitivity, mV/Pa 35 mV
- Maximum SPL 130dB to 140dB
- Maximum Output 2.8 V RMS for 1% THD
- Total Harmonic Distortion 0.13% @ 1kHz
- Inherent Noise 1.2 uV
- Typical Load Impedance >500 Ohms
- Output Source Impedance 200 Ohms, transformer-isolated
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