Fargen Mini Plex Mk II


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Fargen Mini Plex MK II Guitar Amplifier – The Ultimate Low Volume Tube Amp

The Fargen Mini Plex MKII features the ultimate English classic rock and high gain crunch tones. It pumps out quality tone on par with a 50 or 100 watt Marshall, and maintains this tone at apartment/bedroom levels. Don’t settle for poor tone as a result of running your THD/DRZ/or Marshall Power Break attenuator, which typically kills your upper harmonic content.

The Mini Plex MKII hand-wired tube amplifier delivers high-energy, cranked tube amp tone at whisper quiet volumes with a mixture of great tube amp design, world-class custom components that you won’t find anywhere else, and the amazing Kevin O’Conner Power Scaling technology. The power scaling circuit uses voltage manipulation (think variac) to control output volume and power tube overdrives without cutting high-end frequencies like an attenuator does, and allows you to run the amp anywhere from 12 watts down to below a 1/2 watt for the ultimate low volume jamming experience.

The Mini Plex MKII captures all of your favorite British high gain and classic rock tones with the help of our patented “Decade Switch” technology. The Fargen “Decade Switch” gives you 3 different classic sounds/gain structures and morphs between 3 completely different classic British preamp circuits … the JTM45, Plexi JMP and JCM 800.


London Power / Power Scaling control 12 watts down to less than a 1/2 watt
Custom Mercury Magnetics transformers w/ 4-8-16 ohm taps
SoZo vintage style mustard capacitors
Dual power tube sockets for use with any octal power tube(no re-bias)
Use EL34/KT66 /KT77/6550/6L6/5881/6V6 ECT
The ability to mix and match any of the above tubes…(i.e.El34 + KT66)
DC Filaments for ultra quiet operation
1/8″ aluminum chassis for the true vintage British amp sound
New improved 3 position rotary decade switch that alters the circuit for true 60-70-80 Marshall Style tones. (JTM 45 / Plexi / JCM 800)
Passive FX Loop

Technical Specification

Dimensions: 25″W x 11″H x 10″D
Weight: 25 lbs.
Output Power: 8-12 watts
Tube Complement: (2) 12AX7, (2) EL34
Will also run KT66,KT77,6550,6L6,6V6,5881
Class – Parallel single-ended class A
Front Panel Layout & Equalization – Decade, Volume, Master, Treble, Bass, Mid, Power Scaling