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hs-25 Dual 15-inch ACM Subwoofer

Description

Think of the hs-25 as the hs-28’s “bully” little brother. Like its larger sibling, the hs-25 utilizes our revolutionary ACM technology to deliver dramatic amounts of pure, clean low end from a dual 15-inch configuration that’s no larger than most single 15-inch designs.

Patent-pending ACM (Active Compliance Management) technology, which combines both band-pass and vented alignments into a single enclosure. The hs-25 places two premium, 15-inch transducers into this configuration, with both woofers sharing a common vented chamber. One woofer’s frontal radiation is direct, while the second woofer’s frontal radiation drives the band-pass chamber.

To make the two ACM subsections combine acoustically we use sophisticated DSP to precisely align the phase arrivals of the front facing woofer, the common chamber vent and output of the bandpass chamber vent. The powerful amplifier sends 750W of pure sine wave power (1800W “burst”) with a unique optimized signal to each woofer. The
combination of 3600 watts of burst power produces over 137 dB peak output in a half space environment (ground stacked).

The unique ACM configuration requires a highly-capable transducer. The precision-engineered, dual spider, long excursion 15-inch woofer developed for the hs-25 features large, 4-inch voice coil for increased power handling and decreased power compression.

Active Compliance Management (ACM) Technology

hs-25-woofer-side-IMG_8186The combination of ACM, purpose-designed transducers, and precision electronics allows the hs-25 to deliver much higher output throughout its operating bandwidth from a remarkably small enclosure with a footprint that’s smaller than most dual 15-inch vented designs. Like all h-Class systems, the hs-25 ships with networking capabilities already onboard. There’s no need for additional cards or retrofitting. VUE uses standard IP protocols to simplify the networking process. Simply plug in and the hs-25 will automatically connect to virtually any kind of IP configuration. Users can then access and monitor network and device-level parameters through our SystemVUE software.

hs-25 subwoofer and h-208 high definition systems at Herr Nilsen Jazz Club in Oslo, Norway

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h-12W & h-12N High Definition Systems
h-15W & h-15N High Definition Systems
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hm-212 High Output Stage Monitor System
hs-20 Dual 10-inch ACM Subwoofer System
hs-25 Dual 15 inch ACM Subwoofer System
hs-28 Dual 18 inch ACM Subwoofer System
hs-221 Dual 21 inch ACM Subwoofer System






Applications

• Portable and installed live performance venues
• High-impact audio/visual presentations
• Theatrical sound design
• Sound reinforcement rental companies
• Performing arts centers
• Night clubs
• Theamed entertainment facilities

Features

• Active Compliance Management: Patent-pending hybrid design combines both band-pass and vented alignments into a single, compact footprint for more output and definition. 
• Tons of horsepower: Onboard amplifier supplies 750W pure sine wave power (1800W “peak” power) to each woofer
• Purpose-designed transducers: Dual spider, long excursion woofers feature large, 4-inch voice coils for increased power handling and reduced power compression
• Built for the road: Premium birch plywood enclosure with extensive internal bracing and a highly-durable Dura Coat finish
• SystemVUE software: Mac, iOS and Windows compatible software provides access to networks and device-level parameters such as speaker protection, input/output levels, volume, mute, delay and input sources
• Standard IP for easy networking onboard: Simply plug in, and the system automatically connects to virtually any kind of IP configuration

 

Specifications

SPECIFICATIONS hs-25
DESCRIPTION Active dual 15-INCH ACM™ Subwoofer system
ACOUSTIC DATA
Frequency Response (+- 3 dB) 32 – 169 Hz
Efficiency (1W/1m) 97 dB SPL
Max Peak SPL(SPL @ 1 M before protection Sine Wave) 141 SPL half space peak
Max SPL Long Term (SPL @ 1 M before protection Sine Wave) 128.3 SPL Free Field
Coverage Horizontal & Vertical 360 degrees – 6 dB
AMPLIFIER DATA
Amplifier Power (Long Term Sine Wave before protection) LF 1: 750 wattsLF 2: 750 watts
Peak Amplifier Power ( @ 1% THD+N) LF 1: 1,800 wattsLF 2: 1,800 watts
Amplifier Protection Input limiter, short circuit protection, DC protection of output, intelligent mains fuse protection, power stage overload protection, temperature protection of transformers and heat-sinks
Operational Voltage Universal Mains, 85-268V (dual voltage auto selection). UREC™ power supply provides true universal worldwide mains operation for 120V and 230V
THD+N (typical) < 0,05 % (20 Hz – 20 kHz, 3 dB below rated power)
DSP 96k Hz sample rate, mixed-mode 64-bit digital processing, 120 dB dynamic range, less than 600 microseconds latency
Control Network Ethernet / TCP/IP, Fixed IP or DHCP remote monitoring and control
TRANSDUCER DATA
LF Description Dual 15”, paper cone, cloth surround, dual-spider, 4” (100 mm) voice coil, ferrite, 8 Ohm
PHYSICAL DATA
Inputs Female XLR input with male XLR loop output for both Analogue input and AES EBU digital input (default digital AES channel 1, channel 2 selectable remotely via software). If clock is present system uses AES digital input. System will fall back on analog input if clock is not present. Dante audio over ethernet.
Cabinet Material Multi-ply birch hardwood
Cabinet Surface Black 6-layer coating
Dimensions (H x W x D) 17.99 x 32 x 27.9 in (457 x 813 x 688 mm)
Weight Net: 184.9 lbs (83.86 kg) / Shipping: 206.6 lbs (93.71 kg)

Dimensional Drawing

Downloads

hs-25 Downloads:

Title
al-8, al-8SB, Technical Drawing December 22, 2016
al-8, al-8SB, al-Class, Support Data, Technical Drawing July 2, 2018
al-12, al-4, al-8, al-8SB, Design Files, h-8, h-Class, hs-20, hs-221, hs-221, hs-25, hs-28, hs-subs, Manuals, Product Data, Support Data, VUEDrive May 30, 2017
al-12, al-4, al-8, al-8SB, al-Class, Application Info, Design Files, Support Data July 23, 2016
al-4, al-8, al-8SB, al-Class, Support Data, Technical Drawing July 2, 2018
al-8, al-8SB, al-Class, EASE GLL FIles May 3, 2017
al-8, al-8SB, Support Data, Wiring Diagram December 20, 2016
al-8, al-8SB, al-Class, Product Data, Subwoofers November 14, 2018
al-8, al-Class, Product Data December 10, 2018
al-8, Product Data December 20, 2016
al-8, al-Class, Certification Documents July 2, 2018
al-8, al-Class, Support Data, Technical Drawing July 2, 2018
a-8, al-4, al-8, al-Class, Support Data, Technical Drawing July 2, 2018

SystemVUE Software

For more information go the SystemVUE product page.

systemvue-ease_macbook

Like all h-Class systems, the hs-28 ships with networking capabilities already on-board. There’s no need for additional cards or retrofitting.  VUE uses standard IP protocols to simplify the networking process. Simply plug in and the hs-28 will automatically connect to virtually any kind of IP configuration. Users can then access and monitor network and device-level parameters through our SystemVUE™ software. The Ethernet connection also allows the use of Dante® for audio transport.

Rear Panel Input