https://ghgrassby.ca/contact-1 daily 0.75 2026-03-19 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518286109407-DNDWV0WRL8T3LQJ5OZ8B/Grassby02edit.jpg Contact https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518286176939-68LEZ4U2B3RAQGPQZJIC/IMG_0243.JPG Contact https://ghgrassby.ca/home1 daily 0.75 2018-02-13 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518109298115-7XJEMFGHSMI6MYPDL2SW/BACK1_preview.jpeg Professional sound, lighting, video, & acoustic design https://ghgrassby.ca/lighting daily 0.75 2018-02-13 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518452882958-V1L5EPV6LTKH95FCM957/OLPH07edit.jpg Lighting https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518389644775-3YVNP0WJZ9JDBXWO8HS3/Sanctuary+Ordinary+Time.JPG Lighting Ordinary Time Sanctuary Lighting theme at Our Lady of Perpetual Help 2017 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518255883671-I97S5KH8FWGLVIQ7YCI0/_MG_0513s_2.jpg Lighting - Crucifix Devotional lighting theme for veneration of the Crucifix. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518202725938-YHZ6OJYU6SQ4784BBC6S/Station+of+the+Cross.JPG Lighting - Stations Stations of the Cross are lit with a GOBO lens to outline the shape of the image exactly. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518255892625-7REI96ZL3RJZE5R05W7N/_MG_0524_1s_1.jpg Lighting - Baptismal Special lighting for the Baptismal Area https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518202709473-4EU9Z1EWGBLEQFEBWU29/organpipes2.JPG Lighting - Regular Normal Lighting of Organ Pipes and Ceiling for Sunday Mass https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518202705104-BH8ROYZXEON19JZW3YMJ/organpipes.JPG Lighting - Concert Dramatic Lighting of Organ Pipes For Concerts is possible. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518287261736-8FHPZU2KHHMM6UZ8OL6N/OLPH07edit.jpg Lighting - Wireless Wireless Control of Lighting by cellphone, iPad or computer https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518202719607-309BT0YGARCCI9Y6J8MQ/Pendant+Close+up.JPG Lighting - Medallion Lighting of Our Lady of Perpetual Help Medallion https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518285445949-84QXNRX5UVII2251KIFT/OLPH10.jpg Lighting - Scenes Selection of Scenes by Liturgical Season https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518202719495-WKC9UY1R7BSNFWUKTGEY/Pendants.JPG Lighting - Pendants Existing Pendants were rebuilt with a unique LED treatment that increased power and coverage by over 400% while reducing power consumption by 85%. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256007026-XPDWCKIRK49R4LOF3MKQ/_MG_0493s.jpg Lighting - Pendants Metal Halide Bulbs were replaced with powerful LED sources of 2,700 Kelvin to provide warm, natural light while providing massive power savings. Instant ON/OFF and dimming control of these pendants is included. Each pendant also includes powerful up-lights for ceiling illumination and accent. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518202733016-UBJIUX66JCYRJ27X0CUH/Sanctuary+Ordinary+Time.JPG Lighting - Reredos Reredos Lighting for the Liturgical Season of Ordinary Time https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518255940126-193VDE43N2CFCRPOBVO4/Marian+Devotional+Area.jpg Lighting - Shrines Marian Shrine Devotional Area at St. Joseph's Parish, Streetsville ON https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256063317-FPGUM8N7V9DH59C8PBEP/IMG_20171210_1017218.jpg Lighting - Ceiling St. Mary's Parish - Lindsay ON features lighting of all ceiling art and sanctuary area https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256063131-ISL4ZU77BMGGLH5EJB2L/IMG_20171210_1018493.jpg Lighting - Sanctuary Note Lighting of Halos on Sanctuary Mural at St. Mary's Parish in Lindsay ON https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256089569-HZJGR8KS1V39ME9KCAKA/St.+Patrick%27s+Advent+Lighting.jpg Lighting - Advent Pastor Designed lighting theme for advent at St. Patrick's Church in downtown Toronto https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256147118-XSHQFNP4SWL1S6KS1NDT/IMG_20170224_1119492.jpg Lighting - Baptismal Special Baptismal and Entrance Lighting at St. Peter's Cathedral in Peterborough ON. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256149575-CAY16UFN0D8UL2XYMRW3/IMG_20170224_1505329.jpg Lighting - Special Ceiling Lighting for Marian Feast at St. Peter's Cathedral in Peterborough ON https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518197494015-21RRDHGA22HLD8IUNS44/IMG_3001.jpg Lighting - Events We can arrange conversion of your church to a theatre space for special events. This fund raising concert was held at St. Gabriel's Parish in Willowdale ON https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518197494069-ONVTKVSZ5Q7UZJPRMCH1/IMG_3003.jpg Lighting - Concerts Both lighting & sound systems can be supplied. Here the Juno award nominated Folk Duo Dala performs. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518467906914-R6MX9UYHK2CEHN58NJTT/Mary+Mother+of+God+Video+install+2.JPG Lighting - Video One of two screens installed at Mary Mother of God Parish in Oakville ON to support their youth Mass. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518467906873-JX2ILQKSVEOV4BAQ6U10/Mary+Mother+of+God+Video+Install.JPG Lighting - Multiple Video Dual screen installation from projection distance. Long throw lenses were used here at Mary Mother of God Parish in Oakville, ON https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518468152425-OBS8NE8IX8KU0INR99MY/Merciful+Redeemer+Video.JPG Lighting - Custom Video Note the custom wood screen shroud at Merciful Redeemer Parish in Mississauga, ON. https://ghgrassby.ca/sound daily 0.75 2018-02-14 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518628746358-RVP9F2GVV11LNHJIDLFJ/_MG_0487s.jpg Sound https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173472778-7JUK41U3R6DXQFCMIJLJ/_MG_0525s.jpg Sound - Custom These custom finished theatre speakers were coordinated with the existing wood in this historical church at Our Lady of Perpetual Help in Toronto. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173487618-5BHBK89WFT7WZY18405F/_MG_0535s.jpg Sound - Mounting Speakers are custom mounted with all wires secreted to protect the aesthetics of the church. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518110879361-5UK1GRCYIDSOCTSJBZ8T/organ.jpeg Sound - Organ These beautiful organ cabinets at St. Michael's Cathedral house 38 custom made enclosures consisting of 68 transducers. Sound produced by this chancel organ system is incredibly impressive throughout frequencies from 16Hz to 20kHz. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173451418-EEQBP5PX07ODY9M67U95/_MG_0466s_1.jpg Sound - Mixers Soundcraft Si Impact Digital Mixer in use at Grace Church Toronto. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173451357-NDS8RJNJACTBIQTHG7LT/_MG_0472.jpg Sound - Wireless Wireless digital microphone systems that recharge with Lithium Ion cells always have power to spare. No batteries required. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173469517-3DMQM1COMQD2Q4GE4SMG/_MG_0478s.jpg Sound - Speakers The dispersion pattern for each speaker is specified to provide proper vertical and horizontal throw angles to reduce reflection and ensure that the audience gets the best sound possible. These custom designed theatre speakers were designed and built by Bruno Belisle of Bélisle Acoustique Quebec https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518255143511-FRXNF752S5F7174C4D48/_MG_0482s_1.jpg Sound - Bass Different sub woofer speakers are used according to the client requirements. Grace church in Toronto was supplied with custom made NAC 18" horn loaded units. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173497055-Z495YMWHFB5GH9LC3PWM/IMG_0112.JPG Sound - Microphones Professional performance quality microphone systems are used in all our installations. These microphones are Dante enabled. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173512494-FY8MKHJF5PC2PP9PY42G/IMG_0164.JPG Sound - Altar This wireless altar microphone features outstanding pick-up. With a Li-ion battery and a storage/charger, it always has 10 or more hours of power. Batteries are a thing of the past. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518173551426-GENKTODZKFP4HVKN8LFX/IMG_0266.JPG Sound - Altar This new wireless altar microphone is very low profile and is perfect for concelebrated liturgies. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518582841192-WW106VO7N6X73DZGBRIA/St.+Gabriel%27s+Church+-+Willowdale+ON+-4.jpg Sound - St. Gabriel's A unique approach was required to provide outstanding sound in St. Gabriel's in a room with almost all solid concrete surfaces. These custom designed speakers have closely controlled dispersion to only project to the congregation. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256538943-8ML1JQG2RJRSMA9SVIE3/Church+Photos+042.jpg Sound - Modern We design systems for modern and traditional churches. This unique church featuring antiphonal seating is St. Gabriel's Parish in North York ON. https://ghgrassby.ca/organ daily 0.75 2018-03-14 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518203492385-WII49HKEBEW7V19J5KB2/_MG_0420_preview.jpeg Organ St. Michael's Cathedral Chancel Organ Speakers are in custom-built cabinets on each side of the beautiful stained glass sanctuary window https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518185581243-FH9KL6V21FU78XZ9A7RV/_MG_0420.jpg Organ These towering speaker cabinets were custom designed by Art Magic Carpentry under the direction of VG+ Architect and G.H. Grassby & Associates Incorporated. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518185580936-D4MEWHKMP69FTITX4YI9/_MG_0428_1s_1.jpg Organ The entire speaker system accurately reproduces sounds from 16 Hz to 20,000 Hz with enormous, controllable power through all octaves and divisions. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518185584272-Y1EMBBGQ5T1FXB82RQZP/_MG_0437.jpg Organ The outstanding Casavant pipe organ can be played from the Phoenix console in the chancel with the push of a button - 5 seconds transfer time. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518185584360-C5F736ZAL4Z7V1PR51MZ/_MG_0444s_1.jpg Organ - St. Michael's Cathedral William O'Meara, principal organist at the St. Michael's Cathedral, plays the Chancel organ https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518185610102-11PU1TSCZQI9DO48LDJC/_MG_0452s.jpg Organ - St. Michael's Cathedral William O'Meara, principal organist at the St. Michael's Cathedral, plays the Casavant Pipe organ from the Chancel organ console. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518185611035-MF8ULFOO2K3PTEXMNNXO/_MG_0457_1s.jpg Organ Hidden sub woofer cabinets. These specially designed speakers operate below resonance and reduce decay time for low frequency material below 30 Hz. They accurately reproduce frequencies to well below 16 Hz. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518283273319-WDAPNYASJAZ5D80U7EOZ/IMG_9299copy.jpg Organ Some of the amplifier/processing racks for St. Michael's Cathedral chancel organ system https://ghgrassby.ca/organ-1 daily 0.75 2018-02-13 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518203058050-4WT2T859VCA5RRAO5J17/theatre1.jpg Theatres https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518258411948-W1TRHJH7OX6S2NZM4GJA/TIFF-Bell-Lightbox-Cinema-1-photo-by-George-Pimentel-WireImage-for-TIFF.jpg Theatres - TIFF Bell Lightbox Theatres and TIFF. Grassby & Associates was engaged to resolve difficult acoustical issues at the Bell Lightbox Theatres and to update all Meyer amplifiers. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581897219-GQNXJJKBX1KQMGPJTJRA/DSC01220.JPG Theatres Toronto International Film Festival (TIFF) is one of the premiere film festivals in the world https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581946017-4MVU5IIXS9JEM7MSXWQC/DSCF2487.jpg Theatres Grassby & Associates designed the media interview set for the festival including the building of the interview table. Madonna on set. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581925601-9OU6FW8DI3RG8X461ZU3/DSCF2251.jpg Theatres Media set in use by Bono & U2 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581987895-VX33CQPUT5EU0LA1E3E5/DSCF2297.jpg Theatres Screen shot of George Clooney at the interview table https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256480315-3FVUHI56JEAX5DSPRGOP/IMG_3003.jpg Theatres Internationally acclaimed folk duo DALA performs https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256480323-RUPJHWJTYXTL78VKIZM1/IMG_3001.jpg Theatres Theatre Conversion for a Fund Raising Concert at St. Gabriel's Parish in Willowdale ON https://ghgrassby.ca/new-page daily 0.75 2018-02-13 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518537399517-6KUSURCDHYHCE5BIH9A6/_MG_0420.jpg Gallery https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518537413507-TS0CSH84Y43KV70KZFTW/_MG_0421s.jpg Gallery https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518537401424-QO6ZUCANU2AG338FPIEX/_MG_0428_1s_1.jpg Gallery https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518537403359-2UTJEQF0GNKFFBZOSFPG/_MG_0437.jpg Gallery https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518537405268-ZAGJFUE65QB2EL9RVB2E/_MG_0444s_1.jpg Gallery https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518537421170-GG7VWA0Y6GGBPGZC13O2/_MG_0452s.jpg Gallery https://ghgrassby.ca/schools daily 0.75 2018-02-13 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518203058050-4WT2T859VCA5RRAO5J17/theatre1.jpg Schools https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518203137242-UQNOSWWPDDR9ZDGGV2JO/theatre1.jpg Schools https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256480323-RUPJHWJTYXTL78VKIZM1/IMG_3001.jpg Schools https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256480315-3FVUHI56JEAX5DSPRGOP/IMG_3003.jpg Schools https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518258411948-W1TRHJH7OX6S2NZM4GJA/TIFF-Bell-Lightbox-Cinema-1-photo-by-George-Pimentel-WireImage-for-TIFF.jpg Schools Bell Lightbox Theatres and Toronto International Film Festival https://ghgrassby.ca/home daily 1.0 2024-04-18 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/ba10cb74-41e8-4c1d-b4dc-a27115dcfafe/BACK1_preview.jpg Professional sound, lighting, video, & acoustic design - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://ghgrassby.ca/theatres daily 0.75 2026-03-11 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1617211128425-PQMZMPHNELGPOQ8W62F7/IMG_2705.jpg Theatres For information on new theatres we have designed and installed. Innovative projects include the first dynamic thrust stage in Canada, outstanding video sets and world class Audio Systems. Contact us for latest for news and updates https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518203058050-4WT2T859VCA5RRAO5J17/theatre1.jpg Theatres https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518258411948-W1TRHJH7OX6S2NZM4GJA/TIFF-Bell-Lightbox-Cinema-1-photo-by-George-Pimentel-WireImage-for-TIFF.jpg Theatres - TIFF (Copy) Bell Lightbox Theatres and TIFF. Grassby & Associates was engaged to resolve difficult acoustical issues at the Bell Lightbox Theatres and to update all Meyer amplifiers. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581897219-GQNXJJKBX1KQMGPJTJRA/DSC01220.JPG Theatres Toronto International Film Festival (TIFF) is one of the premiere film festivals in the world https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581946017-4MVU5IIXS9JEM7MSXWQC/DSCF2487.jpg Theatres Grassby & Associates designed the media interview set for the festival including the building of the interview table. Madonna on set. https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581925601-9OU6FW8DI3RG8X461ZU3/DSCF2251.jpg Theatres Media set in use by Bono & U2 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518581987895-VX33CQPUT5EU0LA1E3E5/DSCF2297.jpg Theatres Screen shot of George Clooney at the interview table https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256480315-3FVUHI56JEAX5DSPRGOP/IMG_3003.jpg Theatres Internationally acclaimed folk duo DALA performs https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1518256480323-RUPJHWJTYXTL78VKIZM1/IMG_3001.jpg Theatres Theatre Conversion for a Fund Raising Concert at St. Gabriel's Parish in Willowdale ON https://ghgrassby.ca/streaming daily 0.75 2026-03-07 https://images.squarespace-cdn.com/content/v1/5a66961229f1874268447ac8/1617220592260-6JVB0I44UC6EEUP6DJY2/pic.jpg Streaming https://ghgrassby.ca/signup daily 0.75 2021-03-31 https://ghgrassby.ca/stadiumsound daily 0.75 2024-04-18