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WILLIAMSTOWN TOWN HALL

A full gear list can be found at the bottom of this case study.
26/5/23
Williamstown Town Hall has spent 100 or so years adapting to public demand. Now it has a loudspeaker system to meet the current challenge.

It’s a familiar story: a civic hall that has undergone a design-death by a thousand cuts. No one’s to blame — a space like the Williamstown Town Hall’s 1100-cap ballroom needs to be fit for purpose, and the purpose has changed over the decades.  

Ten years ago a major renovation returned the hall to something like its original 1920s glory. Then, more recently, to ensure the space was again ‘fit for purpose’ it was the turn of the AV and production technology to enjoy some additional investment.

“The type of work we do has changed markedly over the last 10 years,” confirms Venue Operations Officer, Garth Sheridan. “We’ve gone from high school graduations to high-production catwalk fashion shows, expos and an arts program throughout the year. The level of sophistication has increased considerably.”

The staging infrastructure was given an upgrade prior to Covid, then it was the turn of the loudspeaker system, which hadn’t enjoyed any love since the early ’90s when the ubiquitous Bose 802s were installed.

THE CHALLENGE

Garth Sheridan’s instructions to the integrator, Light & Sound Solutions, comprised three main priorities — evenness of acoustic coverage, reduced spill/bleed to a neighbouring property and superior aesthetics.

Next, came a PA shootout. Three distributors competed, with a d&b audiotechnik system winning the day.

“Prior to the shootout, I had a sense of the strengths and weaknesses of the three competing systems, which were largely confirmed on the day,” describes Garth. “They were all great solutions. That said, the d&b T Series ticked more boxes: it met our aesthetic requirements — it’s a slender PA and it allows us to fly the subs; its coverage is excellent — with the models demonstrating it would happily reach the balcony without a delay system; but it was probably the promise of what Array Processing could do for us that got d&b over the line.”

Array Processing requires a dedicated amp channel to each speaker cab (necessitating two additional four-channel 30D power amps to deploy the Array Processing audio design) but allows more granular pattern control as well as giving the venue a selection of custom presets from the R1 control software. “It means we can turn off the top two boxes and not activate the balcony, or we can avoid a predefined area in front of the stage that we use for catwalk fashion shows and pageants. More recently, we’ve integrated a control system, which allows our ops staff to change those PA presets from a touchpad — no need to log into the R1 software. This sort of control is very powerful for us as a venue.

“The other nice spin-off of the amp-per-speaker Array Processing is you have headroom for days!”

THE FIX

The two main loudspeaker hangs comprise 9 x T10 mid/high boxes and 3 x T-series subs. Four compact d&b 44S loudspeakers make up the front fill. The system is powered by six d&b 30D amplifiers for a full 24 channels of amplification plus a further 10D power amp to drive the frontfill.

Having the subs flown certainly met the aesthetic component of the brief but it does mean Garth and his team occasionally hire in some extra ‘ground support’. 

“Obviously having subs 15 metres off the ground is not going to give you that kinaesthetic response to the PA you sometimes need. We made a decision that for bigger shows we’d wheel in some ground-stacked subs and we’ve found that to integrate really well — the imaging aligns really nicely and the subs fill out and hit together. That sort of extra firepower is not required for every show. In fact, the design looks right and sounds right for 95% of the work we do, and then we reinforce some ground stacked subs for bigger shows.”

The hearing impaired are also afforded the Rolls Royce treatment, with the venue investing in a Listen Technologies iDSP (Intelligent Digital Signal Processing) system. Patrons interface with the 150MHz hearing augmentation system via a super-compact lanyard-style device. T-coil-equipped hearing aids can connect wirelessly or it’s easy to plug in your own earphones via the minijack connector (there’s two per unit). The devices are easily charged (and updated) via micro USB.

THE RESULT

The new electro-acoustics package has been a ‘night and day’ transformational experience for Garth and his team. “The acoustic coverage is even; the audio image is crisp; and the fact we can switch the balcony off and on really cleans things up. In an ideal world, I’d like to have subs installed under the stage but we have air conditioning ducts under there and can’t be moved. But overall I’m super-happy with the install and working with the Light & Sound Solutions team has been a great experience.”

WILLIAMSTOWN TOWN HALL
104 Ferguson Street, Williamstown, VIC
www.hobsonsbay.vic.gov.au
Further information on the full range of d&b audiotechnik products can be found here. For Listen Technologies, head here.

FEATURED PRODUCTS

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GEAR LIST & FLOOR PLAN

 18 x d&b T10 loudspeaker
2-way with rotatable horn
Components: 2 x 6.5”/1.4”
Dispersion: 90° x 35°/105°
Max. SPL: 132dB
Weight: 11kg

 4x d&b T-Sub subwoofer
Compact flyable subwoofer
Components: 15”
Dispersion: Omnidirectional
Max. SPL: 130dB
Weight 17kg

 4 x d&b 44S loudspeaker
2-way flush mountable
Components: 2 x 4.5”, 2 x 1.25”
Dispersion: 90° x 30° rotatable
Max. SPL: 123dB
Weight: 3.6kg

 6 x d&b 30D amplifiers
Four-channels
Power: 4 x 1600W into 4Ω
All current d&b loudspeaker setups except SL-Series
5 freely assignable GPIOs

 1 x d&b 10D amplifier
Four channels
Power: 4 x 700W into 4Ω
5 freely assignable GPIOs

 Listen Intelligent DSP RF Receiver
150MHz RF receiver offering best-in-class sensitivity and 20dB less noise than other devices
Neck loop/lanyard with DSP loop driver for an enhanced T-coil listening experience
Smallest device of its kind
OLED display showing channels, battery status, channel status, volume level, and more

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WILLIAMSTOWN TOWN HALL

FEATURED PRODUCTS

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A full gear list can be found at the bottom of this case study.
26/5/23

Williamstown Town Hall has spent 100 or so years adapting to public demand. Now it has a loudspeaker system to meet the current challenge.

It’s a familiar story: a civic hall that has undergone a design-death by a thousand cuts. No one’s to blame — a space like the Williamstown Town Hall’s 1100-cap ballroom needs to be fit for purpose, and the purpose has changed over the decades.  

Ten years ago a major renovation returned the hall to something like its original 1920s glory. Then, more recently, to ensure the space was again ‘fit for purpose’ it was the turn of the AV and production technology to enjoy some additional investment.

“The type of work we do has changed markedly over the last 10 years,” confirms Venue Operations Officer, Garth Sheridan. “We’ve gone from high school graduations to high-production catwalk fashion shows, expos and an arts program throughout the year. The level of sophistication has increased considerably.”

The staging infrastructure was given an upgrade prior to Covid, then it was the turn of the loudspeaker system, which hadn’t enjoyed any love since the early ’90s when the ubiquitous Bose 802s were installed.

THE CHALLENGE

Garth Sheridan’s instructions to the integrator, Light & Sound Solutions, comprised three main priorities — evenness of acoustic coverage, reduced spill/bleed to a neighbouring property and superior aesthetics.

Next, came a PA shootout. Three distributors competed, with a d&b audiotechnik system winning the day.

“Prior to the shootout, I had a sense of the strengths and weaknesses of the three competing systems, which were largely confirmed on the day,” describes Garth. “They were all great solutions. That said, the d&b T Series ticked more boxes: it met our aesthetic requirements — it’s a slender PA and it allows us to fly the subs; its coverage is excellent — with the models demonstrating it would happily reach the balcony without a delay system; but it was probably the promise of what Array Processing could do for us that got d&b over the line.”

Array Processing requires a dedicated amp channel to each speaker cab (necessitating two additional four-channel 30D power amps to deploy the Array Processing audio design) but allows more granular pattern control as well as giving the venue a selection of custom presets from the R1 control software. “It means we can turn off the top two boxes and not activate the balcony, or we can avoid a predefined area in front of the stage that we use for catwalk fashion shows and pageants. More recently, we’ve integrated a control system, which allows our ops staff to change those PA presets from a touchpad — no need to log into the R1 software. This sort of control is very powerful for us as a venue.

“The other nice spin-off of the amp-per-speaker Array Processing is you have headroom for days!”

THE FIX

The two main loudspeaker hangs comprise 9 x T10 mid/high boxes and 3 x T-series subs. Four compact d&b 44S loudspeakers make up the front fill. The system is powered by six d&b 30D amplifiers for a full 24 channels of amplification plus a further 10D power amp to drive the frontfill.

Having the subs flown certainly met the aesthetic component of the brief but it does mean Garth and his team occasionally hire in some extra ‘ground support’. 

“Obviously having subs 15 metres off the ground is not going to give you that kinaesthetic response to the PA you sometimes need. We made a decision that for bigger shows we’d wheel in some ground-stacked subs and we’ve found that to integrate really well — the imaging aligns really nicely and the subs fill out and hit together. That sort of extra firepower is not required for every show. In fact, the design looks right and sounds right for 95% of the work we do, and then we reinforce some ground stacked subs for bigger shows.”

The hearing impaired are also afforded the Rolls Royce treatment, with the venue investing in a Listen Technologies iDSP (Intelligent Digital Signal Processing) system. Patrons interface with the 150MHz hearing augmentation system via a super-compact lanyard-style device. T-coil-equipped hearing aids can connect wirelessly or it’s easy to plug in your own earphones via the minijack connector (there’s two per unit). The devices are easily charged (and updated) via micro USB.

THE RESULT

The new electro-acoustics package has been a ‘night and day’ transformational experience for Garth and his team. “The acoustic coverage is even; the audio image is crisp; and the fact we can switch the balcony off and on really cleans things up. In an ideal world, I’d like to have subs installed under the stage but we have air conditioning ducts under there and can’t be moved. But overall I’m super-happy with the install and working with the Light & Sound Solutions team has been a great experience.”

Further information on the full range of d&b audiotechnik products can be found here. For Listen Technologies, head here.

WILLIAMSTOWN TOWN HALL
104 Ferguson Street, Williamstown, VIC
www.hobsonsbay.vic.gov.au

GEAR LIST & FLOOR PLAN

Williamstown Town Hall Floor Plan

 18x d&b T10 loudspeaker
2-way with rotatable horn
Components: 2 x 6.5”/1.4”
Dispersion: 90° x 35°/105°
Max. SPL: 132dB
Weight: 11kg

 4x d&b T-Sub subwoofer
Compact flyable subwoofer
Components: 15”
Dispersion: Omnidirectional
Max. SPL: 130dB
Weight 17kg

 4x d&b 44S loudspeaker
2-way flush mountable
Components: 2 x 4.5”, 2 x 1.25”
Dispersion: 90° x 30° rotatable
Max. SPL: 123dB
Weight: 3.6kg

6x d&b 30D amplifiers
Four-channels
Power: 4 x 1600W into 4Ω
All current d&b loudspeaker setups except SL-Series
5 freely assignable GPIOs

1x d&b 10D amplifier
Four channels
Power: 4 x 700W into 4Ω
5 freely assignable GPIOs

Listen Intelligent DSP RF Receiver
150MHz RF receiver offering best-in-class sensitivity and 20dB less noise than other devices
Neck loop/lanyard with DSP loop driver for an enhanced T-coil listening experience
Smallest device of its kind
OLED display showing channels, battery status, channel status, volume level, and more

TELL US ABOUT YOUR PROJECT.

MORE CASE STUDIES