Stunning REL Studio III Subwoofer in Mahogany Finish. Very good condition (please see photos of all sides) and full working order. 240V ~ 50/60Hz. Stereophile Review Summary:The REL Studio III subwoofer has the best build quality, moves more air, and has the best pitch definition of any subwoofer Ive tested. And well it should have—its price of almost $9000 is twice that of the Velodyne DD-18 that I reviewed in June. In addition, the REL has all the sonic characteristics on my subwoofer wish list: the ability to play the deepest bass notes in music and to move huge amounts of air while not interfering with the natural full-range response of the satellite speakers.Its sub-bass reproduction is perhaps the Studio IIIs strongest suit. It reveals low-frequency acoustic cues that depict the venue in which the recording was made. While musically unobtrusive, the REL widened and deepened the Quad ESL-989s soundstage. For those who own Quad ESL-989s, auditioning the Studio III is a must.Other than its high price, did the Studio III have any limitations? Although I argue that its airier bass reproduction is how bass should sound, some may prefer more pulsatile, concussive bass. The Studio III lacks a high-pass filter, so it wont roll off the satellite speakers, which may mean a boost in the systems upper-bass response, as happened around 40Hz in my room. Finally, to get the best results it must be installed and tuned to your room by the dealer.But the REL Studio III is one of the few subwoofers that can play the deepest bass notes and reproduce the almost subsonic ambience cues of the recordings acoustic space while remaining musical. Because of this, I highly recommend it to those who must have the very best in subwoofer performance.Specifications:Super Acoustic Resistive Matrix (ARM)-loaded, powered subwoofer. Inputs: 2 line-level, unbalanced (RCA) phono inputs with 0dB and +12dB sensitivities, 1 line-level, balanced XLR input, 2 speaker-level inputs using Neutrik Speakon connectors, one balanced, one unbalanced. No signal-sensing auto on/off. Drive-units: two downward-firing, long-excursion, heavy-duty 10 paper-cone woofers made by Volt. Crossover: low-pass filter (defeatable) using REL Active Bass Control (ABC) in 24 semitone increments, 22-96Hz, 12dB/octave slope; no high-pass filter option. Switchable phase: 0 degrees or 180 degrees. Amplifier output power: 500W RMS. Frequency response: 9-100Hz, ±6dB.Dimensions: 26.7 (685mm) W by 24 (617mm) H by 22.1 (567mm) D. Internal volume: 110 liters. Net weight: 205 lbs (93kg).Will be very well packed and shipped on a small pallet in order to ensure safe transit - or collect and save on the delivery charge.Shipping to Highland & Island and Remote locations may cost more - please send a message for a shipping price.Overseas bidders - please note, you will be responsible for payment of any local duties and taxes upon import.