bFly Audio4TUBE-2 Absorbers series (set 4)bFly Audio 4TUBE-2 Absorbers series (set 4) for Tube Amplifiers ( max 55kg)The German bFly audio 4TUBE absorbers are specifically designed for Tube Amplifiers.The 2. Generation now available with screws.The effectiveness of the 4TUBE Series  The transformers of Tube Ampli...125.00

bFly Audio 4TUBE-2 Absorbers series (set 4) for Tube Amplifiers ( max 55kg) [Expired]


no longer for sale

The German bFly audio 4TUBE absorbers are specifically designed for Tube Amplifiers.
The 2. Generation now available with screws.

The effectiveness of the 4TUBE Series
  The transformers of Tube Amplifiers produce by nature mechanical vibrations and so disturb the flow of signals within the internal boards, cables, electronic components and especially the sensitive tubes.

 The 4TUBE absorbers are designed for this weak points of tube amplifiers

The result:
 The sound is more relaxed, spacial and natural



Our alternative for solid state amps and loudspeakers

Screwable version: with screws M4/M6/M8 or inner thread M4/M6


The effectiveness of the 4TUBE variant:
The transformers of Tube Amplifiers produce by nature mechanical vibrations and so disturb the flow of signals within the internal boards, cables, electronic components and especially the sensitive tubes. These parts are major on the easier side of the amplifier. So the 4TUBE absorbers consists of 2 different types.
- 2 absorber with more soft damping for the light side of the device results in an much better damping factor in this critical area.
- 2 absorber with more hard damping placed on the heavy side.


Possible applications:

  • With the cork side under the feet of the device
  • directly under the base plate
  • furthermore as screw able version available M4/M6/M8.
The complex layer model 
from top to - down

    •    Cork Rubber mixture
    •    Massive Aluminum as separator
    •    Cork Rubber mixture
    •    Sorbothane
    •    Natural rubber

There is also the 4Tube-1 which is capable for tube amplifier up to 22kg

It will come in a elegant protective case as seen in picture
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