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There are amplifier stories and there are storied amplifiers, and in this case it’s both! In 1985, at the request of Vivian Campbell and later Kirk Hammett along with other noteworthy Artists of the day who eventually heard them, MESA/Boogie made some modifications to a few productionMark IIC+ to achieve more gain in the overdrive mode and attain a thicker, heavier gain sound. These “++” designated IICs were done for the select few Artists that requested them in the twilight of the C+ life cycle and was never officially offered as a production model. The veil of time has made unclear the exact number, however it is believed perhaps 20 or so of these mythical IIC++s were created during the original mid-eighties IIC+ lifecycle.
In the years that followed, some owners, hearing tales of the blistering Tone and into Heavy sounds, sent their C+’s to Tech Guru and Keeper of the Archives here, Mike Bendinelli, to have the “++ Mod” performed outside Production Time at considerable cost. Now we are excited to announce a Limited Edition build of 200 of these rarefied amplifiers in tribute to the music played on them and the era that spawned such great guitarists whose work therein has withstood the test of time and become truly iconic.
This new “++” IIC build has increased gain in the preamp, which affects the LEAD Mode only, leaving the CLEAN Mode to produce the same sparkling clean performance as the standard IIC+ production model. The LEAD Mode is thicker sounding in these “++” versions with enhanced low end and more top end gain, cut and harmonic layering. Visually the “++” is identical to the current production IIC+ model offered once again, aside from the “++” notation on the Chassis above the power cord (now a receptacle for removable IEC- approved AC Power cables per IEC Standards).
Experience one of the rarest and most coveted vintage amplifiers ever, the Mark IIC++, in solid new form built by the same artisans who built the originals 40 years ago. These awe-inspiring gain machines have fueled some of the most iconic Rock sounds ever captured on record. Now you can have a chance at owning one of these mythical beasts and utilizing its “incendiary” gain and expressive power and for your musical dreams and aspirations. Don’t miss out on this Limited-time build of the infamous Mark IIC++!
Amp Type: Tube
Chassis Material: Steel
Power Amp Tubes: 4x Mesa 6L6 (Can run Mix 2 x 6L6 and 2x El34 in Class A sockets)
Preamp Tubes: 5x 12AX7
Power Amp Details: Exclusive Simul-Class™ Power Amp – Provides the benefits of vintage Class-A and modern Class A/B running simultaneously
Rectifier Type: Silicon Diodes
Bias: Maintenance Free Fixed Bias
Wattages: 75 or 25 watts - Global
Channels: 2 Channels
Mode/Voicings/Styles: RHYTHM - Traditional Clean to Vintage Gain, Independent Volume 1 (Gain) with Pull Bright & Master 1 with Pull Deep Controls to set initial gain independent of playing volume LEAD – Cascading High-Gain (Lead), Utilizes Volume 1 to set initial gain strength then features Independent
Lead Drive (Gain) with Pull Lead (to manually channel switch) & Lead Master with Pull Deep Controls to adjust the level of cascading gain independent of the playing volume
Channel Controls: Each Channel features Independent 2-Position Style Mode Switch, Gain, Treble, Mid, Bass, Presence, Reverb (back panel), Master & Multi-Soak Power Controls
Graphic EQ: Selectable 5-Band Graphic EQ
Reverb: All-Tube, Long Spring Reverb
Effects Loop: Tube Buffered FX Loop
External Switching Options: Reverb, Graphic EQ
Footswitchable Functions: Channel
Speaker Outputs: 8 Ohm x1 , 4 Ohm x 2
Cooling: Fan Cooled
Dimensions: 18 3/4" x 10 3/8" x 9 1/4"
Weight: 39 lbs
Trade offers welcome! Please contact us to begin the process.

At Lark Guitars, we understand that musicians are always looking for new gear to enhance their sound. That's why we offer a trade-in program where you can exchange your gear for something new. Whether you're looking to upgrade your guitar, amplifier, or effects pedals, we're here to help.
Our trade-in process is simple and convenient. We accept trade offers and can evaluate your product remotely. All you need to do is contact us and provide details about the item you want to trade. Our team of experts will assess its condition and value, and then send you an offer.
Please note that while we accept some trades, we cannot accept all offers. Our trade-in program is subject to certain criteria, including the condition and market demand for the item. However, we strive to provide fair and competitive trade-in values to our customers.
Getting started is easy. Reach out to us today and let us know what you're interested in trading. Our knowledgeable staff will guide you through the process and answer any questions you may have. Please provide the following information.
Model, Year, Serial Number, Condition, & Detailed Photos.
Contact us today and take advantage of our trade-in program!
Lark Guitars Difference: Lark Guitars takes great pride in making sure your shipment will arrive timely, correctly and as hassle free as possible. With the massive shift to more remote ordering of guitars and instruments, this process can be exasperating at times. It is our goal to minimize any of these feelings, making your transaction from purchase to playing as joyfully possible. For more info regarding our shipping methods, please visit here.
International Shipping:
We ship all over the world, please contact us with any questions you may have or to receive a detailed shipping quote! More info here.