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The sound of music
With the Reference R909 Jamo can offer you the opportunity to experience music how it should be heard - live in your living room! This is also the conclusion of numerous tests and reviews from Hi-Fi magazines all over the world.
This revolutionary new floor standing loudspeaker employs two massive 380mm/15" woofers, a Seas magnesium midrange driver and a customised Scan Speak Revelator tweeter, all mounted in a 43mm/1.7" thick baffle made of unique multiply construction. The design and drivers used reproduce wonderfully transparent vocals and a response so dynamic that it's hard to believe that you're actually listening to a speaker. The exceptionally firm bass, blessed with immense transient speed, precision and fluidity throughout the frequency range (and absolutely no colouration or reverberation) puts you in the middle of the sound experience. This is a speaker that is set to change the face of the high-end speaker market.
The R909 is the perfect match for the highest quality amplifiers on the market. However, with a high sensitivity of 89dB and offering a very stable load at 4 ohms, it doesn't need a nuclear power plant to drive it...although it will handle more than 800W of peak power if you really want to go there.
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Special designed woofers
Since high efficieny and low moving mass are essential for the specially developed woofers, the cones are made of lightweight air-dried paper with a polyurethane suspension, which allows both fast acceleration and deceleration, endowing the drive unit with great acoustic precision.
Crystal clear at the top
The superior Revelator tweeter features a textile dome that's coated several times which results in an incredibly smooth, linear, dynamic and breathtakingly transparent sound. The tweeter's Symmetric Drive technology practically elminates electrical phase shift and lowers distortion significantly. Finally, there's a double-clamped chamber behind the magnet system, equipped with an anti-resonator plug to eliminate turbulence.
The major challenge in designing the Jamo Reference R909 has been to create a huge speaker that not only performs perfectly but also looks great.
Therefore this unique three-way speaker is a testament to the immense experience with traditional woodworking skills. The 43mm/1.7" thick baffle is a complex 7-layer lacquered multiply construction. Three beautiful high-gloss finishes are available, black, yellow or red.
The 26kg/57Ib cast-iron base houses matt-chromated bi-wiring binding posts that connect directly to the crossover network placed inside the base, thus securing the best possible signal path.
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Great in every sense
With the development of the R909 speaker, Jamo has set a new standard for the construction and performance in the high-end speaker category. R909's construction is based upon an open dipolar principle, i.e. the sound that comes out of the front is mirrored by the sound that comes out of the back. The principles of dipole operation are relatively well known in the high-end speaker market. On one hand, the construction provides some completely unique acoustic characteristics and a more open and natural tone. One the other hand, dipolar speakers have been previously known for lacking the ability to produce the characteristic physical bass "thwack" in your midriff because many of the earlier versions of dipolar speakers were based on electrostatic principles.
To solve this problem Jamo have used electrodynamic drive units instead of electrostatic and fitted the R909 with special large bass units featuring an oversized membrane area of 2000cm/310". The low frequency roll-off normally associated with dipole-speakers is compensated by massive components in the crossover network of the R909. And the result is amazing.
Ultimate Audio
The Jamo Reference R909 is not designed for a mass-market audience. It is for those who demand an absolutely peak performance stereo speaker. It has been created for the increasing number of people who prefer a two-channel solution when listening to their favourite music, because of its ability to deliver an exceptional, refined sound experience.
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Further Information
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