A Shrewsbury property. A client who loves music at least as much as he loves cinema. A Steinway Lyngdorf system going into a space designed to do both. Atif takes you through a work-in-progress installation where the speaker choices, mounting decisions, and screen specification all reflect a room built to serve two masters — and serve both of them properly.
The Steinway Lyngdorf System: Cinema and Music in One Room
The speaker specification for this project is the Steinway Lyngdorf range throughout — a deliberate choice that reflects the client's priorities. He is an audiophile as much as a cinema enthusiast. The system must perform at the highest level for two-channel music in stereo, and also for immersive Dolby Atmos cinema.
The configuration being installed:
| Channel | Speaker | Notes |
|---|---|---|
| Left, Right | Steinway Lyngdorf Model O | Full-range floor-standing — the client wanted to see them |
| Centre | Steinway Lyngdorf S-15 | On-wall, at ear level behind the screen |
| Surrounds (L/R) | Steinway Lyngdorf S-15 | On-wall, at ear height |
| Rear centres | Steinway Lyngdorf S-15 | On-wall, matching height |
| Atmos heights | Steinway Lyngdorf IC16 in-ceiling | Directional in-ceiling, × 4 |
The client's specific request for the floor-standing Model O speakers on the front left and right positions is architecturally motivated: he wants to see his speakers. This is a valid design choice for a music room — the Model O is visually as well as acoustically impressive — and it distinguishes this installation from a conventional cinema where all speakers disappear behind the screen or into the walls.
The Steinway Lyngdorf S-15: Air Tweeter and Dipole Design
The S-15 that's being installed as the centre and surround speaker in this project is a more technically interesting loudspeaker than it appears. Atif points out two specific design elements during the walk-through.
Air tweeter. The S-15's high-frequency driver is an air tweeter — a type of planar or ribbon driver that uses a thin membrane in a magnetic field to produce high frequencies. Air tweeters have extremely low mass compared to conventional dome tweeters, which allows them to start and stop very quickly. The result is better transient accuracy — the leading edges of sounds (instruments' attack) are reproduced with greater precision and without the slight blur that heavier cone drivers introduce.
Dipole radiation. The S-15 is a dipole design: it radiates sound from both the front and the sides of the enclosure. This creates a different dispersion pattern than a conventional forward-facing speaker — the soundfield fills the room with a wider, more diffuse character that, when positioned correctly, creates a sense of space and envelopment that forward-firing speakers in the same positions can't match. For surround applications in particular, the diffuse pattern helps the sound feel enveloping rather than localised.
IC16 In-Ceiling Atmos Speakers: Handling the Joist Problem
The Steinway Lyngdorf IC16 is a directional in-ceiling speaker — the tweeter is physically aimed in a specific direction. In a standard installation, the IC16s would be mounted longitudinally along the room's axis, with the directional tweeter aimed at the listening position.
In this room, the joist orientation runs across the room rather than along it. The IC16s couldn't be mounted in the standard orientation because the joists prevented it. The solution was to mount them rotated 90° — left and right swapped — and physically orient the directional tweeters toward the listening position after rotation.
This kind of problem-solving at the installation phase is why experienced integrators matter. A standard spec on paper doesn't account for the structural realities of the actual room. The correct response is to adapt the installation to achieve the designed acoustic result, not to compromise the acoustic result because the structural reality is inconvenient.
The mounting system uses the IC16's dedicated frame, which was fixed directly to the joist rather than the ceiling board — providing the rigidity required to prevent the speaker from vibrating against the ceiling structure. Rubber isolation feet then decouple the speaker from the frame, preventing contact resonance from transmitting into the ceiling.
The Screen: Retractable for a Music-First Room
The client is a high-end audio enthusiast first and a cinema enthusiast second. The room's default configuration is a music room. When cinema is required, the screen deploys and the projector runs.
The screen specification is a Screen Research 2.35:1 electric motorised screen — a retractable unit that goes away completely when not in use. At 3 metres wide (upgrading from the existing smaller screen), it provides a cinema-scale image while being completely absent when the room is in music mode.
This screen/no-screen flexibility is important for an audiophile room. Many audiophiles believe — with some acoustic justification — that a large screen surface in front of the speakers can affect the soundfield during music playback. With the screen retracted, the front wall is unobstructed and the floor-standing Model O speakers can breathe acoustically without a screen frame affecting the space in front of them.
The Room as a Hybrid: Music and Cinema Done Right
The design philosophy in this room — that high-end audio performance and cinema performance are not in fundamental conflict — is one of the more sophisticated approaches to dedicated room design. The key decisions that make it work:
- 1.Floor-standing LR speakers that perform at reference level for both stereo music and cinema
- 2.Retractable screen so the music configuration has no visual or acoustic obstacles
- 3.Steinway Lyngdorf throughout so the timbre and character of every speaker in the system is consistent
- 4.Directional Atmos speakers aimed at the listening position for precise height imaging during cinema
The result is a room the client can use for serious music listening — critical, comparative listening — and then reconfigure in under a minute for cinema. This is the hybrid room done correctly.
Key Takeaways
- ▪Steinway Lyngdorf's S-15 uses an air tweeter and dipole radiation, which produces better transient accuracy and a more diffuse, enveloping soundfield than conventional forward-firing speakers
- ▪IC16 in-ceiling Atmos speakers require directional tweeter orientation — joist orientation forced a 90° rotation that had to be compensated by re-aiming the tweeters
- ▪In-ceiling speaker frames should be fixed to structural joists rather than ceiling board for rigidity; rubber isolation feet then decouple the speaker from the frame
- ▪A retractable electric screen allows the room to function as a dedicated music room by default and a cinema on demand
- ▪Steinway Lyngdorf floor-standing Model O speakers at the front left and right positions satisfy the client's desire to see his speakers while maintaining reference acoustic performance
Frequently Asked Questions
What is an air tweeter and why does it matter for music playback?
An air tweeter (also called a ribbon or planar tweeter) uses a thin membrane suspended in a magnetic field to produce high frequencies. The membrane has extremely low mass compared to a conventional dome tweeter's dome-and-voice-coil assembly. This low mass means the tweeter can accelerate and decelerate very quickly, reproducing the fast transients of acoustic instruments (piano attacks, cymbal strikes, string harmonics) with greater accuracy and without the subtle rounding effect that heavier drivers introduce.
What is a dipole loudspeaker and when is it beneficial?
A dipole loudspeaker radiates sound from both its front and rear faces (and sometimes its sides), creating a figure-of-eight or bipolar dispersion pattern rather than a single forward-facing beam. In surround applications, this creates a more diffuse, enveloping soundfield compared to direct-radiating speakers in the same position. The effect is particularly useful for surround channels in cinema, where the perception of envelopment — the sense of being inside a sound environment — is more important than the precise localisation of specific effects.
Why should an in-ceiling speaker frame be attached to the joist rather than the ceiling board?
Ceiling board (plasterboard) is a relatively thin and flexible surface. A speaker mounted into ceiling board alone will vibrate the board under load, producing a resonant sound character that isn't present in the source signal. Fixing the frame directly to the structural joist gives the speaker a rigid, non-resonant mounting point. The rubber isolation feet then prevent any remaining vibration from the speaker itself being transmitted into the joist structure and the ceiling at large.
Can a room serve both audiophile music listening and home cinema effectively?
Yes — with the right design decisions. The key is specifying speakers that perform at reference level for two-channel stereo (which demands accuracy across the full frequency range) and also integrate well into a multichannel cinema configuration. A retractable screen removes the screen from the acoustic space during music listening. A single manufacturer's speaker range across all channels ensures timbral consistency. The room design needs to accommodate both uses, but the trade-offs are manageable when the project is planned from the start with both goals in mind.
What is Screen Research and why was it specified here?
Screen Research is a UK-based manufacturer of projection screens, including acoustically transparent and retractable formats. They are widely regarded in the high-end residential cinema market for the optical quality of their screen fabric and the precision of their motorised screen systems. The 2.35:1 format specification here gives the cinema a true widescreen scope aspect ratio — appropriate for a room where the projection image quality matters as much to the client as the audio.
