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  1. Item: Rosson Audio Design RAD-0 Planar Magnetic Audiophile Headphones - As new in box Location: Brisbane 4171 Price: $3999 ono - all offers considered Item Condition: New in open box Reason for selling: I bought two from US website - I prefer the other colour Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: For Sale Rosson Audio Design RAD-0 Planar Magnetic Headphones – “Golden Nebula” As new in box – Limited Edition #50/100 $3999 ono Avoid GST + customs tax + shipping = $660 There is no AUS distributor – sold out on Rosson website Bought from US site – with included invoice (I bought two and decided on the other colour) Our Take Alex Rosson’s new RAD-0, is an impressive bit of sound engineering, with a very solid, punchy bass capable of hitting hard, while maintaining great balance throughout the sound spectrum. The sound scales up nicely to high-end equipment, with the soundstage opening up significantly when driven balanced (Rosson is developing a stock balanced cable, to be released soon). It’s a fairly heavy headphone, with very luxurious earpads, that also wants a fairly powerful amplifier to sound its’ best This unique headphone, dubbed “Golden Nebula” features dazzling golden grilles over brightly colored resin rings that remind of deep space, with just a touch of woodgrain at the top for a truly special looking headphone. Please note: each and every one of these first-run Rosson Audio RAD-0 is a unique creation visually, limited quantity of one. When this one is sold, it’s gone forever. The Speaker Development of the RAD-0 begins with the heart of our product: the speaker (commonly known as the “transducer” or “driver” to our fellow audiophiles). Since planar speakers can be very delicate, we use a material with an extremely low mass, the strength to withstand high temperatures, movement and electrical load, and the durability to last a lifetime. After sourcing the speaker material, we begin designing a circuit and magnetic structure for our diaphragm. When it comes to speakers, many people assume bigger is better. Our goal, however, is to achieve a balanced sound while keeping the headphones light and comfortable. To achieve this, we fit a proprietary array of 11 N52 magnets into a medium-sized 66mm speaker. The result is a perfectly balanced listening experience with detailed transients and mids, a very tight and controlled low end, and the size and weight to comfortably wear the headphones for hours. The Housing For as long as we can remember, we’ve dreamed of offering unique, custom creations with an aesthetic worthy of our premium sound. We always loved materials such as micarta and stabilized wood, and we believe we have the vision and skill to incorporate these materials into our designs. Straying from the beaten path, we collect burl, maple, teak, rocks, gems, and any other beautiful item that we can fit into our casting mold. Through determination and finesse, we turn these raw materials into rings, and then we sand and polish them before drilling entry holes for the yokes and input port. Assembly & Testing While one half of the team works on the housings, the other half assembles the speakers in small batches and lets them “preburn” at 100dB for two weeks to help enrich their sound. The speakers then go through rigorous testing and validation to ensure that each pair is ready for its new home. Our testing tolerance is 0.3dB variance, and only those speakers that make it past the cut get installed into their newly made housings. The Headband After installing a speaker into the housings, we turn our attention to the headband. Weight is always an issue with planar magnetic speakers, so we focus on offsetting the weight with balanced curvature, clamping force and proper placement of perfectly dense padding. The result is the most comfortable planar headphone with the smoothest size adjustment design ever created. Specifications Style: Over-Ear, Open-Back Earpads – Headband : Sustainable Synthetic Protein Leather Cable: 1.2 Meters / 3.5mm TRS Transducer Type: Planar Magnetic Transducer Size: 66 Mm Frequency Response: 20hz – Beyond Audible Range THD: <0.1% Impedance: 29 Ohms Photos: Advertisements without photos of the actual item will not be approved.
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