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  Roll Music Tubule RMS5A7 500-Series Tube Microphone Preamp

Roll Music Tubule
Roll Music Tubule
 
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List Price: $975.00
Our Price: $975.00


Availability: Usually Ships in 24 Hours
Product Code: 9999-04032

 

Roll Music Tubule RMS5A7 500-Series Tube Microphone Preamp

The RMS5A7 Tubule from Roll Music Systems combines the full-featured convenience of a modern mike preamp module with the rich, satisfying sound of a transformer-coupled, all-tube preamp evocative of the elusive bygone classics.

Roll Music RMS5A7 Tubule Tube Microphone Preamplifier Details
A real, transformer-coupled tube microphone preamplifier in the convenient package you never thought possible.At long last, all the warm sweet satisfaction of a real transformer-coupled, high-voltage vacuum tube microphone preamplifier in the convenient and cost-effective 500-series modular format.

With the explosion of new modular products for the 500-series frames sold by various manufacturers, user requests for a tube-based module have been met almost universally with claims by designers and engineers that it couldn't be done. We took that as a dare. The result is not only a technological achievement, but a sonic masterstroke.

The RMS5A7 Tubule from Roll Music Systems combines the full-featured convenience of a modern mike preamp module with the rich, satisfying sound of a transformer-coupled, all-tube preamp evocative of the elusive bygone classics. This is not a wimpy starved-plate design, nor is it an op-amp based preamp with a tube stuck on top for marketing appeal. It's all tubes and iron, with sophisticated modern power management circuitry to generate the high-voltage plate supply and high-current heater supply to power the tube. Careful design of this high-efficiency power circuit allows the Tubule to work within the space and power consumption limitations of a single module.

Robust transformer coupling and flexible, wide-ranging gain controls make the Tubule perfectly suited to everything from low-output vintage ribbon mikes to the hottest modern condensers. The input pad, attenuator and gain control also work together to provide a wide tonal variety. For the cleanest tones, keep the input attenuator up and the gain control low. For more rich tube coloration, engage the input pad and turn the attenuator down in order to use a higher gain setting without overloading the Tubule or other devices in the signal chain. The continuously-variable input attenuator also allows for very accurate gain settings that can be easily recalled.

The RMS5A7 Tubule from Roll Music Systems is now a part of the VPR Alliance. It has been independently confirmed to be fully compatible, both electrically and mechanically, with any enclosure that complies with the standards for the 500-series format.

Roll Music RMS5A7 Tubule
Specifications
  • Equivalent Input Noise (66dB gain, 150? source) -121dBu
  • Input Impedance 1200?
  • Recommended Source Impedance 150?
  • Maximum Input Level +22dBu rms
  • Maximum Output Level +25dBu rms
  • Output Impedance <300? balanced
  • Recommended Load Impedance >10k? balanced
  • Gain Range 3dB steps, 33-66dB
  • Input Attenuator Variable, -10 to 0dB
  • Input Pad Switchable, -20dB
  • Frequency Response +/-1dB, 10Hz-50kHz
  • Power Requirements
    • +/-16V @ 0.090A
  • optional for optimal headroom
    • +48V @ 0.003A
  • Vacuum Tube 12DW7 / ECC832 / 7247
What We Think - Roll Music RMS5A7 Tubule Review
"The Tubule is an absolute killer! Seriously, it's a fantastic preamp that sounds like you think that it ought to... but also sounds like you wouldn't expect, at the same time. The Tubule exhibits a very smooth tube character that also knows how to load a transformer in a way that is right in line with some of the best solid-state preamps. It's really a beautiful contradiction in the world of tube pre-amps - it sounds big, but tight. The fact that Roll Music only has three products on the market, comforts me in that they commit a lot of attention to the quality of their wares. The build quality of the Tubule is super-solid and the potentiometers feel great. All in all, don't discount the Tubule when shopping for preamps, because once you have a pair, you just might find that you are reaching for them constantly."
Alan Moon - Front End Audio


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