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THE PREAMP – full tube / high voltage bass and guitar preamp


A small classic tube preamp based on a very famous bass preamp (preamp that was inspired by the Fender Dual Showman), with some added features:

– separate gain and volume controls will enable you to enter in the overdrive domain, so you can keep a decent output volume and get that pumped tone.
– high-voltage FET buffer (optional)

The preamp uses an internal SMPS module for the High-Voltage and will need a 12V DC @ 1A wall-wart (provided with the preamp).

The version of the current preamp wi MK1-V2 and comes with the following updated features:

– Input pad (-6db)
– Deep switch
– Bright switch
– High-cut switch
– Output pad 1:10 attenuation

Please note that the color for the new versions is red.

Due to high volume of orders delivery time is between 14 to 20 working days from the order date. Thank you for your understanding.


Available on backorder

SKU: CLN-PRE-12AX7 Category:


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