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Dr. Z EMS 50-watt Tube Head

Item ID: GG42127



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Dr. Z EMS 50-watt Tube Head

Our goal with the latest Dr. Z amp, the EMS, was to produce the essential sounds of 3 generations of classic British amplifiers. Starting with the mid-60s JTM 50 variant, we combine a dual EL-34 power section with a tube rectified power supply, available by selecting “tube” via the rectifier switch on the back panel. Along with the tube rectifier, setting the EMS’ sensitivity switch to “low” and “Touch” response switch to the down position, this combination will produce the bloom and feel of the early American tweed amps but with the British charm of EL-34 output tubes.

Flashing forward to the 70s, the essence of the “small box” JMP amp is available in the EMS by selecting the “solid state” rectifier via the back panel, selecting “low” sensitivity, and using the “Touch” switch to match the amplifier with your choice of guitar. Using the same circuit topography of the JTM series, only with a more powerful solid state power supply, this sound is noted for its lightning quick response and cutting “kerrang” in the upper midrange.

Lastly, the EMS incorporates the cascaded gain stage design found in the 80s JCM series. By using the “high” sensitivity switch on the front panel, and selecting solid state rectification, hard rock and classic metal tones with tight bass response and singing gain will come screaming out of your guitar. We massaged the circuit to remove some of the annoying, persistent high-treble this era of amplifier has been maligned for and boosted the gain a bit further so that more “modern” drive tones are available higher on the gain knob.

The EMS, like all Dr. Z amplifiers, is 100% hand-wired in Maple Heights, OH using select components throughout its stages and built on a custom rolled aluminum chassis. It has a precise copy of the Drake 784-139 50-watt output transformer for authentic British crunch. For a perfect match to the EMS small box head, we have our 2×12 cabinet loaded with a Celestion Creamback 65M speaker and a Celestion G12 H30 70th Anniversary speaker wired in series for 16 ohm. As a combo, the EMS is available in an open-back, 2×12 cabinet with 25 watt Celestion Greenbacks. This cabinet is modeled after the classic JTM 45 “Bluesbreaker” combo and is available in Black, Red, or Navy Blue.

Why Buy A Guitar From Palen Music Center?

Palen Music Center has a wide range of unique guitars to enhance the sound of your music! We have been trusted by musicians across the country since 1963 and are constantly working to provide the best value for our customers. With the addition of our new PLEK machine and our longtime veteran luthiers, we are pleased to provide top-quality guitar repair. 

Highlights

  • Three generations of classic British amp tone
  • Using switchable tube/solid state rectification, you can precisely control the degree of compression and sag
  • Customizable touch sensitivity options
  • Matches great of Dr. Z 2x12
  • Great build quality

Specifications

  • Type:Tube Head
  • Number of Channels:Single
  • Total Power:50W
  • Preamp Tubes:3 x 12AX7
  • Power Tubes:2 x EL34 (power), 1 x 5U4GB (rectifier switchable to solid state)
  • EQ:3-band EQ
  • Inputs:1 x 1/4" (with Hi/Lo switch)
  • Outputs:2 x 1/4" (4/8/16 ohms)
  • Effects Loop:No
  • Power Source:Standard IEC AC cable
  • Height:9.62" (head)
  • Width:23.62" (head)
  • Depth:9.25" (head)
  • Weight:30 lbs. (head)
  • Manufacturer Part Number:ZA42002

Condition: Brand New

The amp is the exact amp you’ll receive.

Please feel free to reach out to our knowledgeable sales staff with any additional questions!