SONY MDR-R1O Audiophile Headphones

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Item #:	MDR-R1O
Regular price:	$4,250.00
Quantity:
Shipping & Availability Extended Warranty Info

Product Description

The SONY MDR-R1O audiophile headphones are truly in a Class of its Own with unequaled sound reproduction, matchless design, unrivaled comfort and unparalleled attention to detail. Designed to be the Very Best In the World.

The Housing

After extensive testing of materials from all over the world, the heart-wood of mature Zelkova trees was selected as most suitable for the housing of the MDR-R1O. Evaluation was made in terms of hardness, timbre, weight, and overall sound-transferability characteristics. In order to overcome the problem of designing housing that could produce a natural, distortion-free sound, engineers used the FRESDAM (Freeform Shape Design and Manufacture) computer-aided design system. A delicate waveform was carved out of the interior wall, achieving sound expansion and acoustics equivalent to that of a concert hall.

The Headband

The housing position is set automatically when placed on the head, due to a shape-memory alloy employed in the self-adjusting head-band. Regardless of head size, the super-elasticity of the headband applies just enough inward pressure to create the proper acoustic space between the ear and the housing.

The Diaphragm

Using leading-edge biotechnology techniques, a natural fiber (bio-cellulose) produced by a bacteria called Acetobacter acti is dehydrated, then compressed to a thickness of 20 microns in a diaphragm die. The advantage of the ultra-thin bio-cellulose diaphragm is that it can produce the same sound velocity as an aluminum or titanium diaphragm, along with the warm, delicate sound that a paper diaphragm provides. Trebles are sparkling clear, and bass notes are remarkably deep and rich.

The Holder

Hangers made of magnesium that attach the housings to the head-band reduce resonance. Magnesium was chosen because of its excellent vibration attenuation and absorption qualities. To prevent mechanical vibration, such as those of the cord or headband, a housing insulator was placed between the ear pad and the baffle plate.

The Earpads

To provide the ultimate in comfort, Greek lambskin covers the entire earpads, along with the headband and suspender Renowned world-wide for its velvety softness and smoothness, the lambskin affords a luxurious feel that allows even the wearer with the most sensitive skin extended listening comfort.

The Cord and Plug

The cord wires are made of 99.9999% pure, linear-crystal oxygen-free copper to prevent signal loss during transference. A durable, soft silicon insulates the wires, and the insulation is coated in 100 % pure double-woven silk. The OFC plug is double-plated; once with rhodium to prevent signal loss, and the second time with gold to prevent sound quality deterioration from imperfect contact.

Specifications:

Type:	Dynamic, circum-aural
Driver unit:	50mm diameter; dome-type bio-celluose diaphragm
Impedance:	40 ohms
Sensitivity:	100dB/mW
Rated power:	300mW
Power handling capacity:	1000mW
Frequency response:	20-20,000Hz
Cord:	Pure silk covering 6N-LC-OFC (99.9999%) 3 meters (approx. loft.)
Plug:	Rhodium base, gold-metal plating OFC Standard stereo plug
Weight (w/o cord):	400g
Supplied accessories:	Hard case Wiping cloth Earphone/headphone cleaning tissue Contact cleaning tissue Linen-bound manual
Design and specifications are subject to change without notice.

We recommend using the Sony MDR-R10 with the EarMax Pro vacuum tube headphone amplifiers.