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Dr. Z Amplification Releases the EMS

A take on the essential sounds of three generations of classic British amplifiers.

Cleveland, OH (May 15, 2017) -- Dr. Z Amplification is proud to announce a brand-new product in our line that we are extremely excited to share. It is a 50-watt head called the EMS. Our goal with this amp was to produce the essential sounds of three 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 ā€œtubeā€ via the rectifier switch on the back panel. Along with the tube rectifier, setting the EMSā€™ sensitivity switch to ā€œlowā€ and ā€œTouchā€ 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 ā€œsmall boxā€ JMP amp is available in the EMS by selecting the ā€œsolid stateā€ rectifier via the back panel, selecting ā€œlowā€ sensitivity, and using the ā€œTouchā€ 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 ā€œkerrangā€ in the upper midrange.

Lastly, the EMS incorporates the cascaded gain stage design found in the 80s JCM series. By using the ā€œhighā€ 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 ā€œmodernā€ 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 2Ɨ12 cabinet loaded with a Celestion Creamback 65M speaker and a Celestion G12 H30 70th Anniversary speaker wired in series for 16 ohm. This cab is a great aesthetic match to the EMS head and is covered with black tolex, black grill cloth, and gold piping. If ordered as a set, the EMS and matching 2Ɨ12 will be offered at a special discounted price.

Watch the company's video demo:

For more information:
Dr. Z Amplification

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