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Thermionic Culture SNOW PETREL 2U 19 Inch Extra Gain 2-Channel Mic Amp / Preamp - Optimized for Ribbon Mics
  • Thermionic Culture SNOW PETREL 2U 19 Inch Extra Gain 2-Channel Mic Amp / Preamp - Optimized for Ribbon Mics
  • Thermionic Culture SNOW PETREL 2U 19 Inch Extra Gain 2-Channel Mic Amp / Preamp - Optimized for Ribbon Mics
 
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Thermionic Culture SNOW PETREL 2U 19 Inch Extra Gain 2-Channel Mic Amp / Preamp - Optimized for Ribbon Mics

Manufacturer: Thermionic Culture Ltd

Item #: THER-SNOW-PETREL   •   MFG #: SNOW-PETREL

 


Our Price:$3,299.00

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Availability:
Direct Ship from manufacturer, contact us for availability
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Item ships directly from the manufacturer and is subject to manufacturer availability. We will contact you with expected availability. You can also email [email protected], chat or call customer service (800)-522-2025 for expedited delivery options.
 
 

    California Residents:
    8pt-triangleWARNING:
    Cancer and Reproductive Harm - www.P65Warnings.ca.gov

     
     
     

    The Thermionic Culture Snow Petrel is designed as a two channel microphone amplifier for all types of microphones, especially certain ribbons, eg. Coles 4038, which have a lower output level than others but offer superb quality. Their full potential can be realised with this high gain unit as it has a natural valve sound with very low background noise and distortion. The passive "AIR" control is provided to lift the very high frequencies as many ribbons suffer a little loss there and this compensates for that perfectly.

    It will give excellent results with any microphone and they have included +48V phantom power and -20dB pad for use with FET and self-amplifying microphones.

    There are 3 valves in each channel of the Snow Petrel, the first 2 acting as the main amplifier preceded by a specially designed Sowter input transformer, then after the passive HPF and Air controls comes the Tung Sol (6189) output valve and Sowter 1:1 transformer. This combination is capable of a clean output in excess of +25dBu. Of course many users may want valve and transformer colouration to give a bit more "edge" to the sound so Thermionic have provided 2 attenuators. O/P trim comes after the 1st 2 valves and can be used to provide a little 2nd harmonic colouration, then the "ATTEN" is at the actual output so if the unit is driven hard it will add transformer as well as valve distortion.

    Designed originally for use with the Coles 4038 as a super-clean low noise unit, after extensive field tests in UK, Norway and France, They've found it sounds exceptional with ANY microphone including the classic Neumann U 87, perhaps because:

  • They use extra-low noise valves with NO solid state impurities in the audio path, plus VERY special Sowter in and out transformers
  • Input impedance is higher than usual to preserve clarity and can be tailored to individual mics with the Hi/Lo and Pad switches
  • Incredibly musical and progressive saturation for distortion lovers when overdriven and by employing the fine and coarse attenuators
  • Controls include Gain, from 40 to 75 dB, switched, HPF to reduce "proximity effect" and "Air" to add that extra clarity.
  • Carefully hand made and tested in Harlow, England
  •  
    • Features

      • Extra-low noise valves with NO solid state impurities in the audio path;
      • Sowter's VERY special balancing transformers for the inputs and outputs;
      • Higher than usual input impedance to preserve clarity;
      • Hi/Lo and Pad switches to tailor the input impedance to suit individual mics;
      • +48V Phantom power available;
      • All valve Class A amplification;
      • Controls include Switched Gain, from 40 to 75dB; HPF to reduce 'proximity effect' and 'Air' to add that extra clarity;
      • Housed in a 2U 19" rack mounted unit.
       
    • Specifications

      • Input Impedance
      • Lo: 850Ω
      • Hi: 2k2
      • Pad: 2k2

        Output Impedance
      • @ 0 Atten: 250Ω
      • @ -7dB: 700 Ω
      • @ -15dB: 270 Ω

        Maximum Output Level (MOL, 1% dist.)
      • @ most gain settings: >+26dB

        Frequency Response (+0.5/-1dB, Air at 0)
      • @ most gain settings
      • @ max. gain (75dB) 13Hz to 22kHz 35Hz to 17kHz

        Distortion (THD @ 1kHz)
      • @ 40dB Gain: 0.012%
      • @ 54dB Gain: 0.025%
      • @ 68dB Gain: 0.1%
      • @ Max Gain: 0.2%

        Crosstalk
      • @ most settings and frequencies Better than -60dB

        Signal to Noise
      • @ most settings LBetter than 100dB
      • I/P & O/P Connectors: 4 x XLR, wired balanced. Pin 1 GND
      • Pilot Lamp Bulb: 12V 3W
      • Power Consumption: 30W
      • NET Weight: 13.2 lbs / 6kg
       
    • Item Includes

      • 1x Thermionic Culture Snow Petrel
       
     
     

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