The TRM11 is an extremely high quality vacuum tube condenser microphone
featuring excellent performance and very flat frequency response, utilising
quality electronic circuitry that uses WIMA capacitors plus output transformer
and vacuum tube. Also features a patented pure gold-coated dual-sided 
large diaphragm capsule.The TRM11 tube condenser microphone featuring high
sensitivity, low noise,wide dynamic range, etc.Also with a low cut filter switch
and -10dB low frequency attenuation switch located on the microphone body. 
The nine variations of polar pattern are available by adjusting the control knob 
on the dedicated phantom power supply for various recording situations. 
The TRM11 has a wide range of uses in professional situations such as 
studio recording, broadcast & TV stations, live sound, voiceover and 
computer recording.


Features:
Ultrathin Ф34mm pure gold coated dual-sided large diaphragm capsule;
Very flat frequency response.
Utilise a unique electronic circuit with vacuum tube and transformer output plus   
WIMA capacitors, producing a microphone with a natural warm sound.
Designed with low frequency and sensitivity attenuation switches.
Nine variations of polar pattern for various recording applications.
Uniquely designed integrated champagne plating metal pop filter, easy to use.
Superbly designed microphone, featuring a high quality champagne plating finish 
grille and lush white finish body,solid and durable;
Included an extra blue color microphone body,can change the microphone body 
according to personal interesting;
High quality shock mount, reduce vibrative noise effectively.

Specifications:

Polar Pattern:Uni-/Bi/Omni-directional
Frequency Response:20Hz-20kHz
Sensitivity:-36dB±2dB (0dB=1V/Pa at 1kHz)
Output Impedance:50Ω±30% (at 1kHz)
Load Impedance:≥1000Ω
Equivalent Noise Level:12/13/14dB A
S/N Ratio：82/81/80 dB
Max. Input SPL:136dB (at 1kHz≤1% T.H.D)
Electrial Current:3mA
Weight:635g
Dimensions:Ф60X59X210mm