True Ribbon™ SR1a.
The world's first Earfield™ headphone monitor.
The SR1a by RAAL-requisite is the world’s first Earfield™ headphone monitor. Experience mixing, mastering, and home listening with unparalleled accuracy and realism in a soundfield devoid of room acoustics and comb-filtering caused by work surface reflections. Earfield™ technology delivers unheard of program accuracy and a speaker-like soundfield experience.
Even compared to headphones already well regarded for their ability to render micro-details, such as Focal’s Utopia, the STAX SR-009S or the LB-Acoustics MySphere, the SR1a are clearly superior.
I frequently sit across the room from a $100,000+ audio system, looking at it, while listening through these headphones. The SR1a is that good. Stunning, amazing, and the only headphone capable of pulling me away from my main audio system.
The SR1A makes me not want to listen to any other headphones; or from someone I respect: “it’s what every headphone wishes it could be”.
Headphone Guru Frank Iacone Award
Gold in High-End Headphone Category
Silver in Entire Show Category
Equal to the best possible big hifi systems but without any of their issues of room interference, cabinet interference, port interference, and crossover interference.
Ribbons for a reason.
The SR1a is the world’s first True-Ribbon™ headphone. Highly specialized ribbon drivers were developed that reproduce 30Hz to 30kHz bandwidth in order to eliminate the need for sealed chambered bass and allow for open air baffles (both front and back) for a true full-frequency soundfield.
World class professional monitors I can take on the road! I can finally trust my sound everywhere.
Remarkable Sound & Remarkable Design.
Professional engineers report that SR1a Earfield Monitors™ reveal more detail and accuracy than even their finest traditional studio monitors or headphones. Helping to achieve high-quality, transferable mix results in non-traditional environments. The accuracy, musicality and portability of the SR1a frees the engineer to work whenever, and wherever they choose.
A radical departure from traditional headphone designs that presents speed, dynamics and imaging that exceeds flagship planar and electrostatic systems. Arguably the most exciting new development in headphone engineering in a long time.
Such a quickness to the sound, immediate stops and starts, tremendous dynamic swings with macro punch and fall back to micro detail. These are designed for mixing and mastering and would make great uber-phones for home use.
Not only the truest sound and bass picture of any headphones I’ve ever heard, it allows a vocalist to sing and hear their own natural voice in the room without bleed concerns due to the ribbon design.
Weighing in at only 425 grams (15 ounces). Unlike standard headphones whose weight and heat create listener discomfort over time. The SR1a Earfield™ design eliminates heat buildup on the ears providing a cool, natural airflow. Your ears will also appreciate the complete absence of sound pressure against the eardrums caused by traditional sealed can designs. SR1a headphones can be worn comfortably for many hours at any listening level.
I have been hesitant to make EQ choices on headphones in the past, but with the SR1a I feel confident to charge forward! These are the Ferrari of headphones!
Unparalleled musicality and detail… A completely adjustable soundstage, able to reproduce a near-field loudspeaker experience (not approximate or fake, but real, two channel imaging).
Finest materials. Hand built.
The SR1a features; carbon fiber baffles, stainless spring steel headband, aluminum ribbon drivers, plush memory foam bars, and lambskin leather (non-leather option available). Every SR1a is expertly handmade, in Serbia, by the skilled European craftspeople who build world-renowned RAAL ribbon tweeters.
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100W Speaker Amp Required
Any loudspeaker amplifier will work.
Earfield™ open baffle. Floating near ear, does not enclose ears.
0.2 Ohms with cabling. Used in series Ribbon/Amplifier Interface.
Ribbon/Amplifier Interface. 6 Ohms. Use any loudspeaker amplifier.
Amplifier power rating:
30Hz – 30kHz