Model: REF 250 SE
Stok Durumu: İletişime Geçiniz
Audio Research


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MONAURAL AMPLIFIER The concept of a large monoblock amplifier is to provide control to a speaker. The difficult part of the job is maintaining finesse and musicality while doing it. Audio Research has produced some of the most critically acclaimed products during its 42-year history and the new Reference 250 SE aims to break new ground.


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“When the brawn of the 250 SE is combined with its saturated tonal colors, huge
dynamic swings, great transparency and delicacy, lifelike textures and solidstate-like
low-bass extension and control, it is clear that this new amplifier is a
world-class leader in the higher-power tube amplifier category.”
Don Saltzman, The Absolute Sound, January 2017
The Absolute Sound calls the Reference 250SE monoblock vacuum tube amplifier the “epitome of high
definition”. From the moment the music begins, the foundation of an exceptional musical experience is
evident. Sound emerges from an inky black background, revealing microdetails and performance cues
typically reserved for the live performance. Substantial, authoritative bass underscores the event with control,
speed, and textural accuracy. Space around performers and instruments rises before you creating a lifelike
stage with scale and body. Dynamics swing from quiet passages to grand fortissimos without effort or strain.
This is high definition listening. The REF 250SE amplifier concedes nothing in ultimate sound quality.
An illuminated analog meter capable of displaying power output, line voltage or output tube bias takes
center stage on the front panel. Underneath are buttons for fan speed, illumination level, biasing and the
meter. Internally, the Reference 250 SE is supplied with carefully matched KT150 output tubes, custom
designed capacitors, wiring and many other parts, and an immense and tightly regulated bulk power supply.
Connections include accommodation for 4, 8 or 16 ohm speakers, an XLR input as well as 12 volt trigger
connections. From the first note to the last, the exceptional experiential music is immersive.  From an inky
black background, details and performance cues emerge.  Bass is substantive and underscored with cavernous
resolution and textural accuracy.  The soundstage around musicians and instruments expand in scale and
body and paint a textural richness reserved for live performances. Control while maintaining finesse and
After nearly 50 years, our focus remains the advancement of the state-of-the-art in music reproduction. Every
component is meticulously hand-crafted and personally auditioned before it leaves our factory. Our attention
to detail, customer service, and product support create unprecedented value. An Audio Research component
is more than a purchase, it’s an investment.
If you’re looking to make a statement, look no further than the Audio Research REF 250SE monoblocks. We
invite you hear the difference by visiting your nearest Audio Research dealer for an audition.