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REL Studio III active subwoofer

Free UK Delivery

In stock

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True 500W (continuous) discrete, direct-coupled MOSFET amplifier 2x downward-firing long-throw 250mm (10") very heavy duty Volt drivers , die-cast chassis Refined ABC variable crossover adjustment in 24 musically correct semi-tone increments between 24Hz-106Hz. Acoustic Resistive Matrix (ARM) loading for smoother bass response Four position mode selector: line/LFE (0 degrees phase and 180 degrees phase) Audiophile grade toroidal transformer Gas-tight Neutrik high level connection for long-term consistency of sound quality High quality, panel-mounted twin phono inputs at 0dB and +12dB (low level) High and low level balanced inputs (Neutrik/XLR) Totally discrete input circuitry for high and low level inputs Separate volume controls for high and low-level adjustment Simultaneous connection of high and low level sources Set-Safe audibly transparent driver protection Balanced-bridge power supply 8x ultra-rugged output devices Double thickness, double-sided glass-fibre board with plated-through holes IEC power input socket - no captive leads for installation flexibility Hand-built in Great Britain, three year worldwide warranty

System TypeARM loaded cabinet with ABCÆ semi-tone variable bass
filter. 110 litre.

Lower Frequency Response:(in room -6dB): 9Hz

 Amplifier Input impedance High level 100 kohm

Gain Control Range:Low level 10 kohm 80dB

Drive unit impedance:8 ohm  

Mains input voltage:115 V 50/60 Hz or 230 V 50/60 Hz,
subject to country

Dimensions WxHxD mm (inches)
incl. feet and rear panel controls
685x617x567 (26.99 x 24.31 x 22.34)

Weight Kg (lbs)93 (205.03)

Finishes:black oak light oak rosenut

Providing your item is in stock, the order is usually dispatched within 24 hours. Postage and packing is completely free for orders over £100*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.


Orders are sent via our couriers' DPD on a next-day-delivery service and usually, take between 1 and 3 days. 


Please use this link to find more detailed delivery information.


*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however, delivery to these locations will incur a charge and can only be sent via a 2-day service.