Technical Data Sheet

Point Source Speakers

SSOUNDS

SS-M15

SSOUNDS M-15

Name: SSOUNDS
Telephone: +44 20 3769 6537

15″ two-way point source, 55 Hz – 20 kHz, 137 dB peak, passive or bi-amplified.

Part of the M System. The largest point source in the system, for main duties in bigger rooms. M stands for Modular. Full system documentation at s-soundspro.com/systems/m.

At a glance

Model / SKU: SS-M15
Category: Point Source Speakers
Brand: SSOUNDS
Drive: Passive
Condition: New

Overview

The M-15 is the workhorse top of the M-series: a 15″ long-excursion driver and a 3″ voice-coil compression driver on a rotatable 90° × 60° horn, reaching 55 Hz and 137 dB peak from a 26 kg cabinet. Run it passive off a single amplifier channel or bi-amplify it for full DSP control of each section. Twelve M10 fly points, a 36 mm pole socket and a 45° monitor angle mean one box covers flown mains, stacked front-of-house and floor wedge duty. Baltic birch construction with a Polyurea finish and a powder-coated steel grille for touring life.

15″ long-excursion LF driver and 3″ voice-coil compression driver
Rotatable 90° × 60° horn for vertical or wedge deployment
137 dB peak SPL with 55 Hz low-frequency reach
Switchable passive or bi-amplified operation
12 × M10 threaded inserts plus 36 mm pole socket and 45° monitor angle
Baltic birch enclosure with Polyurea finish and powder-coated steel grille

Technologies

DynaControl: Holds the tuned tonal balance as voice coils heat under sustained output.
VoxClear: Voicing developed for speech intelligibility in acoustically difficult rooms.

Specifications

General

Type	2-way point source · passive or bi-amplified
Certifications	CE · TÜV · EAC · WEEE

Acoustic performance

Frequency response²	55 Hz – 20 kHz (−10 dB)
Coverage⁴	90° × 60° · rotatable horn
Sensitivity³	102 dB SPL nominal (1 W @ 1 m)
Maximum SPL¹	137 dB peak @ 1 m

Transducers & components

Low frequency	1 × 15″ cone driver · 8 Ω
High frequency	1 × 1.4″ exit compression driver, 3″ coil · 8 Ω

Electrical

Recommended amplifier power⁵	1,640 W
Recommended amplifier	800 – 1,600 W into 8 Ω
Nominal impedance⁶	Passive 8 Ω · bi-amp LF 8 Ω + HF 8 Ω
Crossover	Passive 1.2 kHz · bi-amp capable

Connectors & I/O

Connectors	2 × NL4 speakON (in / link)
Pin map	Passive 1+/1− full range · bi-amp 1+/1− LF · 2+/2− HF

Rigging & mounting

Fly points	12 × M10 threaded inserts · yoke bracket compatible
Deployment	Flown · stacked · 36 mm pole socket · 45° monitor angle

Physical & construction

Dimensions (H × W × D)⁸	700 × 450 × 420 mm
Net weight⁷	26 kg / 57 lb
Enclosure	15 mm Baltic birch · Polyurea finish
Grille	Powder-coated perforated steel with acoustic cloth backing
Handles	2 side · 2 rear recessed
Colour	Black (custom RAL on request)

Notes

1.Maximum SPL is the peak level at 1 m, driven with pink noise at crest factor 4 to the clipping point of the recommended amplifier, with the SSOUNDS system preset applied. Full-range enclosures are specified under free-field conditions; figures marked half-space are specified over a reflecting plane, the condition subwoofers are deployed in, which adds approximately 6 dB.
2.Frequency response is specified on axis at 1 m in a free field. The tolerance the figure is referenced to is stated alongside it; where no tolerance is given, the figure is the −6 dB bandwidth.
3.Sensitivity is specified at 1 W into the nominal impedance at 1 m on axis, averaged across the pass band of the enclosure.
4.Coverage angles are nominal −6 dB values averaged across the pass band. Per-octave directivity data is available from SSOUNDS system design support for prediction and modelling.
5.Recommended amplifier power is the amplifier output SSOUNDS specifies for this enclosure, driven with the SSOUNDS system preset. It guides amplifier selection and is not an AES power-handling rating for the transducers.
6.Nominal impedance is the manufacturer's rating for amplifier load calculation; minimum impedance across the operating band may be lower.
7.Net weight excludes packaging, flight case, accessories and optional rigging hardware.
8.Dimensions are stated in millimetres and exclude protruding rigging hardware, handles and connector panels unless noted.
9.All figures are typical values for production units specified under the conditions above. Individual units may vary within published tolerances.

Response

Frequency response

Frequency response: 55 Hz to 20 kHz (−10 dB) · 1/24-octave smoothed

Horizontal beamwidth

−6 dB horizontal beamwidth: 90° nominal

Plot conditions. Curves are generated by the SSOUNDS engineering toolchain from this product's specification. Frequency response is shown 1/24-octave smoothed, normalised to the midband reference, with the passband corners at the stated tolerance; response varies within ±1 dB across the passband with a subtle shelf in the top octave. Magnitude slopes are 24 dB/octave beyond the passband corners. The beamwidth curve shows the −6 dB included angle: nominal coverage holds down to the pattern-control limit set by the cabinet width (f ≈ c/w) and widens below it.

Directivity

Isobar diagram, horizontal

Lines of equal sound pressure. Blue: -6 dB. Dashed: -12 dB. White region holds within 6 dB of on-axis.

Isobar diagram, vertical

Lines of equal sound pressure. Blue: -6 dB. Dashed: -12 dB. White region holds within 6 dB of on-axis.

Polar response, horizontal

Normalised to on-axis. Rings at 6 dB intervals to a -30 dB centre. 1/3-octave band power.

Polar response, vertical

Normalised to on-axis. Rings at 6 dB intervals to a -30 dB centre. 1/3-octave band power.

Charts span 55 Hz to 16 kHz, this cabinet's own operating band.

Chart conditions. Directivity charts are computed by the SSOUNDS system prediction engine as a phase-coherent wave solution of this product's driver complement: each way represented by its physical radiator (rigid-piston cones with real diameters and spacings; waveguides as continuous mouth apertures, holding the rated coverage on a flare-controlled axis above the mouth's pattern-control limit and radiating the mouth's own diffraction limit on a wavefront-shaped axis; a horn-loaded mid shares the high-frequency mouth), summed as complex pressure through crossovers at the published points in the topology the cabinet is driven with (linear-phase FIR where the ways run on separate channels of a system DSP amplifier, Linkwitz-Riley where a passive network splits them), with way alignment referenced on axis and 1/24-octave band-power resolution. Single- cabinet vertical figures are free-field beamwidths of one element; the published per-element vertical coverage of a line array is its rigging splay, the sector one element covers in a curved hang. Cabinet edge diffraction, horn loading detail, driver breakup and production tolerances are outside the computation. Directivity files for prediction software (GLL/CLF) are issued from measured data only.

Downloads & data files

SSOUNDS M-15: User Manualmanual
Directivity table, horizontal (CSV) / verticalcsv
SSOUNDS M-15: Technical Data Sheetdatasheet

Loudspeaker data files for prediction software (GLL / CLF for EASE), 2D and 3D drawings and certification documents are issued on request. Contact support@s-soundspro.com and we will send the current release for this model.

System operation

Recommended: SSOUNDS D14X, up to 2 × M-15 per channel (passive, 8 Ω). Bi-amplified operation uses one channel pair per cabinet with the M-15 preset loaded.

Architectural & engineering specification

The loudspeaker shall be of the SSOUNDS M-15 type, configured as a 2-way point source, passive or bi-amplified. The loudspeaker shall incorporate a low-frequency section of 1 × 15″ cone driver, 8 Ω, a high-frequency section of 1 × 1.4″ exit compression driver, 3″ coil, 8 Ω. The loudspeaker shall be capable of meeting the following performance criteria: a frequency response of 55 Hz – 20 kHz (−10 dB); a maximum sound pressure level of 137 dB peak @ 1 m; a sensitivity of 102 dB SPL nominal (1 W @ 1 m); nominal coverage of 90° × 60°, rotatable horn. Electrically the loudspeaker shall provide a nominal impedance of Passive 8 Ω, bi-amp LF 8 Ω + HF 8 Ω, a crossover at Passive 1.2 kHz, bi-amp capable. The unit shall be passive. Connection shall be by 2 × NL4 speakON (in / link). The loudspeaker shall be constructed of 15 mm Baltic birch, Polyurea finish, measuring 700 × 450 × 420 mm, and shall weigh 26 kg / 57 lb. The loudspeaker shall be covered by the manufacturer's two (2) year limited warranty and shall be supplied by SSOUNDS or an SSOUNDS-authorised distributor. No alternate shall be accepted without prior written approval of the consultant or specifying engineer.

Safety & compliance

Read this section before specifying, installing or operating this product. It summarises the safety requirements set out in full in the product documentation supplied with the unit; where the two differ, the product documentation takes precedence.

Suspension & rigging: Overhead suspension is potentially hazardous and must be carried out only by trained and competent personnel using SSOUNDS-approved hardware, within the working load limits and array configurations published in the relevant SSOUNDS rigging documentation. Never exceed the stated number of enclosures per array or the stated splay limits. Inspect all rigging components, pins and retaining clips before every deployment and withdraw from service any component that is deformed, corroded or of unknown history. Secondary safety attachment is required where local regulation calls for it. SSOUNDS accepts no liability for systems suspended using non-approved hardware or outside published limits.
Sound pressure level & hearing: This equipment is capable of producing sound pressure levels that cause permanent hearing damage. Do not operate at high level in close proximity, and ensure that operators, performers and audience exposure complies with applicable occupational noise-exposure regulation. Provide hearing protection where exposure limits may be exceeded.
Environment & mechanical: Unless a published IP rating states otherwise, this product is intended for indoor use or for outdoor use under cover, and must be protected from rain, standing water and prolonged direct sun. Ensure ventilation openings are unobstructed. Stack, pole-mount and transport only as described in the product documentation, and secure the product against toppling wherever the public has access.
Disposal: At end of life, dispose of the product and any packaging in accordance with local regulation for electrical and electronic equipment. Do not dispose of electronic components in general waste.

Limited warranty: two (2) years

SSOUNDS products are warranted against defects in materials and workmanship for a period of two (2) years from the original date of purchase by the end user. Within that period SSOUNDS will, at its option, repair or replace the defective item with no charge for parts or labour. The item must be adequately packaged and dispatched, carriage pre-paid, to SSOUNDS or an SSOUNDS-authorised service centre, accompanied by proof of purchase and a returns reference issued in advance by SSOUNDS. Unauthorised repair, modification or removal of serial-number labelling voids this warranty.

This warranty does not cover

Cosmetic wear, finish, grille cloth, paintwork and consumable parts.
Damage caused by misuse, abuse, accident, neglect, or operation outside the published ratings on this sheet.
Damage caused by transport or handling after delivery, or by inadequate packaging on return.
Damage caused by mains or generator supply faults (over-voltage, under-voltage, phase imbalance, surge or incorrect earthing) or by lightning.
Water, dust or corrosion ingress on products not carrying a published IP rating for the conditions of use.
Damage resulting from amplification or processing outside the recommended configuration on this sheet, or from third-party presets.
Products not purchased from SSOUNDS or an SSOUNDS-authorised distributor.

This warranty is in addition to, and does not affect, any statutory rights the purchaser may have under applicable consumer law. It is the sole warranty offered; no other warranty, express or implied, is given.

Warranty claims and returns references: support@s-soundspro.com · +44 20 3769 6537

Legal notice

All information on this data sheet is subject to change without notice. SSOUNDS reserves the right to alter specification, design and construction in the course of continuous product development.

Specifications, drawings and images are provided for guidance in system design and tender documentation. Where a figure is critical to a design, confirm it in writing with SSOUNDS before committing to a specification.

All text, images and drawings herein are the property of SSOUNDS. All trademarks and registered trademarks are the property of their respective owners.