T/9i 10 Inch Subwoofer | REL Acoustics (2024)

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£999

We have a longstanding tradition of requiring the top model in any range to be more. More than the sum of its parts, it represents the grandest scale, the highest output and the most we can do within any given technology envelope.

We are currently unable to fulfill orders in Northern Ireland.

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SKU: N/ACategory: Serie T/i

The Most T/i Available

The Series Flagship

T/9i represents the most of T/i that we can deliver, and if sheer output alone is a primary requirement for your theater or music system then read no further. The combination of a lightweight, composite 10” driver coupled to a matching 10” T/i passive delivers speed, slam and attack when called upon but also is capable of tracing more delicate passages when necessary. Large in sonic scale, the T/9i is ideal for mating up with floor standing speakers and rooms that are on the medium-to-large size. Powerful, concussive, yet beautiful.

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design

T/9i 10 Inch Subwoofer | REL Acoustics (25)

Reimagined, Then Reengineered

A completely redesigned flagship

T/9i delivers more than just raw output. We started with our driver upgrades and built outward. The lovely cabinets grew by 4 lbs. (1.8 kg) over its predecessor due to thicker cabinet walls and improved bracing. Why? Because the additional speed and impact of the new drivers requires greater control or the benefits can be lost before they get to the listener.

driver

T/9i 10 Inch Subwoofer | REL Acoustics (26)

Outsized Performance

Innovative Alloy/Fibre Bass Engines

The new composite alloy/fibre engine in T/9i blends precisely the correct dimension of stiffening alloy with a fibre material chosen for its sonic neutrality and light weight. The combination is brilliant; exceeding the performance of competitors’ drivers that are many times more expensive. The forward-firing 10” active couples with a 10” down-firing passive, again with carefully chosen balances of alloy to fibre and the result is seamless, effortlessly deep bass that blends perfectly with the main speakers.

amplifier

T/9i 10 Inch Subwoofer | REL Acoustics (27)

Great Subs, Great Amps

The Brains Behind the Brawn

Our acclaimed input filters and robust amplifiers result in some of the best sounding, most reliable designs ever produced. High current power supplies, huge toroidal transformers, and what many critics call the best filters in the world produce the famous REL Effect—where in not simply the bass region but ALL music and movie sound is uplifted and improved. Standby Mode switch not included on 110V units.

wireless

T/9i 10 Inch Subwoofer | REL Acoustics (28)

Zero Compression Wireless

Introducing Arrow™

Following on the heels of the acclaimed LongBow™ Wireless, Arrow delivers much of the promise and connectivity of hardwired RELs with the placement flexibility and pure cool factor of great wireless for all of T/i. For a reasonable sum, Arrow gives you the ability to place subs in distant corners, along glass walls, or on hardwood floors where a cable would otherwise destroy the effect.

Explore Arrow Wireless

Specs

Specifications

Type

Front-firing active driver, down-firing passive

Active Driver Size & Material

10 in., 250mm long-throw, FibreAlloy™ inverted aluminium dust cap, steel chassis, white cone

Passive Radiator Size & Material

10 in., 250mm long-throw, inverted aluminium dust cap, steel chassis, black cone

Low Frequency Extension

-6dB at 28 Hz

Input Connectors

High Level Neutrik Speakon, Low Level single RCA, LFE RCA

Output Connectors

N/A

Power Output

300 watts (RMS)

Amplifier Type

Class A/B

Wireless Capability

Arrow (Optional), Zero Compression Single Large Scale Integrated Chip

Protection System

Fully Electronic Set Safe

Yes

D.C. Fault

Yes

Output Short

Yes

Mains Input Voltage

220-240 volts, 110-120 volts for certain markets

Fuses

3.15 Amp semi delay 230 volts operation, 6.3 Amp semi delay 115 volts operation

Dimensions

W x H x D

13 x 15.2 x 16 in. (330 x 387 x 407 mm)

Net Weight

41.3 lbs. (18.7 kg)

Finish

High Gloss Black, High Gloss White, 5 coats

Supplied Accessories

Mains Lead

Yes

Neutrik Speakon

Yes (10 Meters Nominal)

Interconnect

-

Users Manual

Yes

In the interest of product development, REL Acoustics Limited reserve the right to vary these specifications without notice.

Comparison

Reviews

Reviews & Awards

"This is sound reinforcement, not simply confined to bass, and that's what makes this great for audio." Read More + Subwoofer Winner 2023
"It’s so much more than just a rose-tinted view of the past; it honours what made REL the company it is today. And finally, for classic speaker lovers, you can do no wrong with the Classic 98." Read More + hi-fi+

Read All Reviews

User Manual Brochure

Learn & Explore

Full Specs User Manual Brochure

Reviews + Awards
I’ll be the first to admit that I didn’t hold out much hope in being able to integrate a subwoofer so easily into my current setup. Primarily due to not accounting for one over recent years and placing more and more furniture into the space, which in turn decreased the ability of positioning for such an addition.But I have to give great credit to the guys at REL Acoustics for creating a subwoofer which A. has the perfect range of controls to seamlessly take on the remaining last couple notes in the bottom end so well as well as fleshing out the midrange and treble very naturally and B. has such a fast and agile responsiveness that it kept up with the speed ofmy ceramic drivers. Read More + Dan Worth, HiFi Pig
"I mentioned the use of two T9/i subwoofers, and what makes the addition of a second sub interesting is that unavoidable modes contingent upon the dimensions of the space, in other words the resonances, are less excited with this configuration. Use two subwoofers in different positions and you can run both at lower level than were one to be trying to fill the space with a single sub, one reason why two subwoofers are better than one, even two mid-sized ones rather than one large one. The drivers usually respond more quickly and, with less cone movement, can create the same sound pressure as one doing all the work alone, usually meaning distinctly less distortion and audible effortlessness." Read More +
"As I spend more time with the T/9i and the drivers settle in, I find it requires a slight reduction in level to continue to integrate unobtrusively with my setup. What it brings to the way a system handles recordings old and new is insightful, and one of the most rewarding additions to my hi-fi setup in recent times, allowing the main loudspeaker to do its thing, but even more so." Read More + Lee Dunkley, Hi-Fi Choice
“REL’s T/9i is an excellent subwoofer for the audiophile. It’s capable of making big bass noises, but is also more than capable of freeing up the loudspeakers and liberating them from the dictatorship of the room. While there is no substitute for huge bass traps and other room treatments, a pair of T/9i get you most of the way there without the domestic angst room treatment can cause. Highly recommended” Read More + Alan Sircom, Hi-Fi+
"To some, the only thing better than a subwoofer is two subwoofers, and that was certainly the case when we tested the REL T/9i. While a single T9/i delivers the speed and depth we have come to expect from REL designs, the true strength of the argument comes when you use a pair of subwoofers, but not in the way you might expect." Read More + Hi-Fi+

Read All Reviews

+ Discover Your RELPair your speakers with the right REL subwoofer

T/9i 10 Inch Subwoofer | REL Acoustics (33)

T/9i

Suggested Retail: £999

We have a longstanding tradition of requiring the top model in any range to be more. More than the sum of its parts, it represents the grandest scale, the highest output and the most we can do within any given technology envelope.

In the interest of product development, REL Acoustics Limited reserve the right to vary these specifications without notice.

Print

T/9i 10 Inch Subwoofer | REL Acoustics (2024)

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