The MU524 is a compressor where the gain variation is provided by varying the mu (gain) of a special tube.
With the help of two transformers it provides a smooth and natural soft knee compression which can travel into land of distortion when driven hard.
It is a professional-grade unit that brings the warmth and character of vintage gear to the 500 series world.
Install it in your API* compatible LunchboxTM rack and start working.
2: METER Shows the gain reduction from 0 to -20dB.
3: IN Sets the input level to the compressor which also defines the threshold at which the compression appears.
4: LIMIT Increases the compression ratio to a limiting level.
5: OUT Sets the makeup gain of the compressor.
6: HPF Inserts a high-pass filter in the sidechain which produces a fat sound and eliminates bass driven pumping.
7: REC. Recovery sets release time of the compressor.
8: FAST ATTK Shortens the attack time of the compressor.
You bring the solder (use good quality solder, 1mm diameter max) and the Lunchbox.
The MU524 kit is a medium difficulty kit. It can be undertaken by anyone who is able to make a clean solder joint.
The setup is a little more complex than average. It requires a good quality digital multimeter.
Mono/Stereo Configuration: This option modifies the voltage regulator IC (U6) used to power the tube heater in one of the compressors. It eliminates a risk of hiss in the audio at the frequecy difference of the two regulators.
XT500 Extender: The XT500 option is a cable extension that allows you to test and setup the module outside the lunchbox while connected.
501 Case: The 501 case option is a standalone, single slot lunchbox with PSU.The XT500 Extender is not needed with the 501.
Assembled Product: If you prefer not to DIY, choose an Assembled product. It comes fully assembled, ready to use.
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