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dB HI-FI OPEN EVENT
On Saturday 2nd April, ATC will be participating in an open event with dB Hi-Fi in Suffolk.
On demonstration on the day we will have:
- SCM40 & SCM40A – demonstrating the differences between passive vs active loudspeaker designs.
- SCM10SE – One of only a few pairs in the UK.
- SCM50ASLT – The classic ATC 3-ways, now specified with the new ATC ‘S-Spec’ tweeter.
For further details:
DB Hi-Fi
James Dean
01379 873451
Info@dbhifi.co.uk
SIGNATURE EDITION SCM10SE CELEBRATES A LIFE IN SOUND
ATC marks the 70th Birthday of its founder with the luxury edition of a favourite speaker…
ATC Loudspeaker Technology is celebrating the 70th birthday of its founder and Managing Director Billy Woodman with a ‘Signature’ version of a landmark ATC design. Based on the highly original and acclaimed SCM10 mini monitor from 1990, the Signature Edition SCM10SE is an immaculate reworking of the breakthrough model.
Presented in a lustrous ATC blue piano finish, the SCM10SE is enhanced with an anodised silver aluminium tweeter wave guide, complementary silver mid/bass driver surround and a fine grain blue leather baffle, hand-finished by Eissmann, a leading supplier of pristine interior trims for many of the world’s most desirable car brands including Aston Martin, Bugatti, Lamborghini and McLaren.
Matching the flawless precision of its finish, the SCM10SE’s proprietary drivers and crossovers are wholly conceived and hand-built at ATC’s UK development and production facility in Stroud, Gloucestershire. The original SCM10’s soft dome tweeter has been replaced with a recently developed SH25-76S ‘S-Spec’ 25mm dual-suspension design, and its ground-breaking SB45-125SC 125mm mid/bass unit with a latest version, complete with integral soft dome. The system’s crossover is re-designed for the new drive units and uses ATC’s hand-wound air-cored inductors and high performance polypropylene capacitors throughout.
Appropriately the SCM10SE is limited to a production run of just seventy pairs, each supplied with an exclusive owner’s guide relating the story of Billy Woodman’s career from his formative engineering in Australia to the seminal, ethos-building work at Goodmans in the UK and culminating in the founding and flourishing of his Company as a world-renowned exponent of high performance audio reproduction systems for the studio, cinema, club and home.
Capturing the innovative spirit and uncompromising culture of ATC, the exclusive SCM10SE Signature speaker is a definitive 70th birthday tribute to the remarkable energy and influence of its founder, MD and Chief Engineer Billy Woodman.
Like all ATC products, the SCM10SE is backed by a six-year warranty.
Features
- New ATC designed and built ‘S’ specification 25mm Soft Dome HF unit with dual suspension, neodymium magnet assembly and a precision alloy wave guide.
- ATC 125mm short coil mid/bass unit with integral soft dome.
- In-house hand wound precision flat wire coil.
- Massive optimised motor assembly.
- Excellent impedance curve ensuring an easy load for any amplifier.
- Cabinet in exclusive ATC Blue high gloss piano finish.
- Baffle hand-bound in fine grain leather.
- 6 year warranty.
Specification
Drivers HF: ATC SH25-76S 25mm Soft Dome; Bass/Mid: ATC SB45-125SC 125mm drive unit
Matched Response: +/- 0.5dB
Frequency Response: (-6dB) 50Hz–25kHz
Dispersion: ±80° Coherent Horizontal, ±10° Coherent Vertical
Sensitivity: 82dB @ 1W @ 1metre
Max Continuous SPL: 103dB
Recommended Amplifier Power: 75 to 300 Watts
Nominal Impedance: 8 Ohm
Crossover Frequency: 2.5kHz
Connectors: Binding Posts/4mm Plugs, bi-wire
Cabinet Dimensions: (HxWxD) 380x185x267mm
Weight: 8kg/17.6lbs
SCM10SE Price: Please contact your local authorised dealer or distributor for pricing in your region.
Availability: 23rd March 2016
ATC LAUNCHES ‘SCM19AT’ ACTIVE TOWER SPEAKER SYSTEM
The SCM19AT system is an active version of the Company’s SCM19 award-winner, uniting proprietary, optimised driver/amp pairings in a slender floor standing design…
ATC Loudspeaker Technology’s new SCM19 Active Tower speaker system will deliver the company’s reference-quality audio from an elegantly curved floor-standing design, just 370mm wide and under a metre in height. Identical acoustically to ATC’s award-winning passive SCM19 2-way system but utilising the 19 litre volume in a slim tower format, the SCM19AT combines high aesthetic appeal with the widely acknowledged performance benefits of ATC active design to create a compelling speaker proposition for music lovers.
The SCM19AT’s braced, sealed and curved multi-layer laminated cabinet, which is precision-finished in cherry or black ash real-wood veneer, provides a rigid and optimally damped environment for the Company’s acclaimed SH25-76 soft dome tweeter and 150mm Super-Linear mid/bass driver. Drive units are individually powered by an upgraded bi-amp pack (also proprietary), comprising ATC’s discrete MOSFET Class A/B modules, providing 32W of continuous power to the HF section and 150W to the bass.
SH25-76 Tweeter
Sharing technology with the renowned ATC soft domed mid-range drive unit, the 19AT’s tweeter employs a unique dual suspension system, designed to suppress rocking modes even at high power output levels. The ATC configuration of a short edge-wound voice coil in a long, narrow magnetic gap ensures exceptionally low distortion throughout the tweeter’s operating band and removes the need for ferrofluids, which can dry out over time, compromising performance. A complex-shaped, soft-domed diaphragm extends high frequency range and offers a smooth off-axis response. The tweeter’s 15,000 gauss (1.5 tesla) neodymium magnet has a black heat-treated top plate, which dissipates heat away from the voice coil to maintain high power handling and low power compression. A precision-machined 5.5mm rigid alloy waveguide provides optimum dispersion with a flat on-axis frequency response and resonance-free operation.
Bass Driver
The SCM19AT’s 150mm ATC SL mid/bass driver utilises a carefully weighted doped fabric cone with a 75mm soft dome – exceptional for its broad and even dispersion of mid-band frequencies. The cone is driven by an ‘under-hung’ (short coil/long gap) motor using a huge 9kg ‘Super Linear’ magnet system, which is unique to ATC loudspeaker systems. The 75mm ribbon wire voice coil is meticulously milled and wound in-house by ATC. ATC’s familiar under-hung motor topology maintains linear coil force and inductance, even at high drive levels, keeping distortion low.
Electronics
The 19AT’s proprietary two-way on-board amp pack design has been revised to reduce noise and distortion (a further -10dB @ 10kHz), while achieving a lower operating temperature for improved reliability. The design includes protection circuits for both DC offset and thermal overload. Mid frequency THD is vanishingly low at 93dB/0.002%, and a very wide bandwidth of 200 kHz ensures the accurate reproduction of musical transients. ATC’s Grounded Source output stage modules are fed by a newly developed two-way active crossover section featuring 2nd order modified Butterworth circuitry with phase compensation for each crossover point. The advantage of active crossovers is that their response remains unaffected by variable voice coil impedance, while the use of phase compensation enables phase coherency at the crossover points, improving the SCM19AT’s tonal balance and enhancing imaging for a pin-point stereo field. As usual system input is via balanced XLR.
The ATC SCM19AT – the first active 19 in the Company’s history – is designed for optimum performance with the grille attached, although the difference in performance without the grill is minimal. Finished in anthracite grey, the metal grille fixes to the cabinet via hidden magnets. Designed and manufactured by ATC entirely in-house, the SCM19AT offers the ownership of a hand-built ruggedly engineered speaker system, world famous for musical accuracy and high power output. Like all ATC products, the SCM19AT is backed by a six-year warranty.
Features
- New ATC designed and built dual suspension 25mm soft dome HF unit with precision alloy wave guide
- “SL” spec bass driver with 75mm integral Soft Dome
- 9kg optimised short-coil/long gap motor assembly
- On-board grounded source 182 watt Class A/B Bi-amplifier
- Active filters and overload protection
- 6 year warranty
Specification
Drivers: HF ATC 25mm dual suspension Tweeter, Mid/LF ATC 150mm SL
Matched Response: +/- 0.5dB
Frequency Response (-6dB): 54Hz-22kHz
Dispersion: ±80° Coherent Horizontal, ±10° Coherent Vertical
Max SPL: 108dB
Crossover Frequency: 2.5kHz
Connectors: Male XLR
Input sensitivity: 1V
Filters: 2nd Order critically damped with phase compensation
Overload Protection: Active FET momentary gain reduction
Fault Protection: DC fault protection and thermal trip. Fault indication on rear panel mounted LED
Amplifier Output: 150W LF, 32W HF
Cabinet Dimensions (HxWxD): 980x370x344mm (spikes add 25mm to height, grill adds 34mm to depth)
Weight: 31kg/68.2lbs.
The advantages of active operation:
- Perfectly matched dedicated amplifiers for each frequency band
- Active crossover filters with phase correction ensure accurate timbre, excellent imaging and source location
- A flat magnitude response that is not changed with power input level
- A 20dB improvement in intermodulation distortion
- Better controlled low frequency
- A greater dynamic range for the same input power
Price: please contact the local authorised ATC dealer or distributor in your region for pricing.
Availability: 23rd March 2016
SCM19A Launches 21st March
SCM7 Review: Hi-Fi Pig
In conclusion, reviewer, Dan Worth found:
“I’ve not written a long review for a change. This one is short and sweet – just like the 7s. Combine the imaging of the old Proac Tablettes, the surprising bass of a Totem One and the enthusiasm of an old AE1. Each of these speakers is renowned for having a special and memorable characteristic. The diminutive ATC SCM7 seems to possess a good measure of each. It’s one of those speakers that is so addictive and so unassuming that I think I’m going to have to buy a pair. They are like the cutest animal in the litter – the one you simply have to take home. Over time their musical consistency, honesty and downright practicality are simply undeniable. The thought of being without them has me reaching for a tissue.”
Pros:
Emphatic, transparent, detailed presentation.
Solid imaging and strong dynamics.
Great build.
Cons:
At this price, nothing.
Dan Worth, Hi-Fi Pig, February 2016.
To read the review in full please visit Hi-Fi Pig SCM7 Review
