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MK ULTRA – THE MARCUS KING SIGNATURE AMP
Created in conjunction with guitar prodigy and Grammy Award-nominated singer–songwriter Marcus King, the MK Ultra is our first-ever amplifier designed with Orange USA and built in the USA. Using the highest-quality components available, including American-made custom Heyboer transformers, this hand-wired 30-watt all-valve guitar amplifier represents a marriage of classic American and British tonal sensibilities. Make no mistake though, this is not a copy of a previous design with slight modifications. This is a unique innovation that offers a new approach to the trademark Orange sound.
The MK Ultra features carefully tuned input circuitry that not only responds amazingly well to different volumes and tone settings on your guitar but also takes pedals extremely well and moulds them into the tone instead of sitting them on top. This is driven by a pair of 12AX7 preamp valves feeding into a power amp section consisting of two 6L6GC power valves that are cathode-biased. This choice of output valves is a first for Orange, bringing out all the harmonics and touch sensitivity that Marcus demands.
Although this is a unique artist signature model (only 150 made), players from many different genres will be able to dial in their own tones and sounds. From country to blues, classic rock to jazz fusion, and everything in between, the range of this simple three-knob design has to be heard to be believed.
TAILORED EQ FIT FOR A “KING”
This one-of-a-kind circuit design features EQ controls in different parts of the circuit that are totally independent. The specific ranges and frequencies of these controls were voiced for Marcus, making it impossible to dial in a bad sound.
The VOLUME control
The Volume knob on this amp is as much a tone control as the Sing and Deep controls due to the circuit design and how it interacts with the dynamics of your playing. With the MK Ultra being a cathode-biased amp, it is urgent, with a fast response time at low volume settings, making it a perfect partner for your pedal board. As you increase the volume control you will hear more saturation with the 6L6s starting to break up, giving you a spongy attack that will start to sing and make you want to play more and more. Even at full volume, you still have clear control via your guitar’s volume knob.
The SING (treble) control
This can also be described as a variation input bright control, bringing you the tone you need for the atmosphere you’re playing in. Adjust the sound to pair perfectly with your guitar.
The DEEP (bass) control
Think of this as more of an overall thickening to the sound. Start with it all the way down and, after finding the Volume and Sing levels you want, increase the Deep control until you find the thickness you want.
Why To Buy From Rock City!
Established in 2015, Rock City Music Company is an independently owned music store for players by players. Located just outside of Detroit, Michigan, Rock City Music Company is a music mecca that encompasses everything from guitars and lessons, to vinyl records and t-shirts, to posters, accessories, our music-themed pinball machines and more.
Rock City has earned its rank as one of the top places in the country for in-store events. Rock City has hosted legends such as Geddy Lee (Rush), Glenn Hughes (Deep Purple), Gary Holt (Slayer/Exodus), Blackberry Smoke, Nita Strauss (Alice Cooper) and many many more. Rock ’n’ Roll is our passion, and we strive to provide excellent service, and a great experience, both inside and outside of our store.
Ready to Rock, Right Out Of The Box: All of our guitars are maintained by our FMIC (Fender Musical Instruments Company) Certified in-house guitar technician, to ensure any guitar that leaves our hands is ready to play as soon as you receive it!
Fast Shipping & Communication: Our top priority is making sure that your gear arrives safely to you as soon as possible. Our staff members strive to pack and label your items for shipping within 2 hours of placing your order (During regular business hours). Items never take more than 24 hours to leave our possession.
Guitars, Basses, Amps, Cases and select other items ship via UPS Ground
Pedals & Accessories ship via USPS Priority & First Class Mail
Have a preferred shipping method? Let us know and we will do our best to accommodate
We appreciate your business more than you know and we show it! Our communication is second to none and very important to us. You will have a dedicated and educated staff member overseeing your order, that can assist with any questions or concerns.
Is My New Guitar Protected During Shipment ? : All items are packed with extreme care and although we do our best to protect items from damage, sometimes it happens. Have no fear, all of our items are shipped fully insured at no additional cost to you.
Rock City Music Company is an official dealer of:
Gretsch, Fender, Charvel, Jackson, Epiphone, ESP/LTD, EVH, Takamine, Rock N Roll Relics, Sterling/MusicMan and Echopark Guitars.
Electro-Harmonix, Earthquaker Devices, Boss, MXR, Dunlop, Pro-Tone, and Catalinbread Effects Pedals
Orange, Fender, Boss, EVH amplifiers
Any questions? Feel free to contact us during store hours!
Monday - Thursday 11AM-8PM
Friday-Saturday 11AM-6PM
Sunday 11AM - 4PM
(All Times are Eastern Standard Time)
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