Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

This listing is for a used matched pair of original Mordaunt-Short Audio MS-506R Rear Surround Sound 100w 90db 8 ohm THX Speakers in full working order. Cosmetically good condition with normal light wear and a few minor markings, nothing serious. The pictures are of the actual speakers the buyer will receive. Buyer pays 39.95 for UPS Ground Shipping to anywhere in the US.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.

Mordaunt Short MS504 THX Center Custom. Custom box built for a customer that went with a different color. This is aqua blue stained on a fire treated pine box. Wrapped around a MDF box built to factory airspace measurements. Original box 7”tall, 7 3/4”deep, 19 3/4”wide and 17.6lbs New box 8 1/2”tall, 8”deep, 21 1/4”wide and 20.25lbs We also painted inside woofer chambers with acoustic dampening paint, and added no resolution foam. Air tight seal gasket was added to back panel. Crossover on this model was built well, so we did not modify that. So we gave it better sound, and a custom art finish. Pictures show the wood is actually grooved out with the burn process giving a texture finish. Sealed with a marine boat sealant by Total Boat finishes. It’s almost water proof! Pictures also show original speaker box details for comparison. This is a high quality build and a one of a kind. No grill or front cover is included. No rubber feet are included. Feel free to stick or screw rubber feet onto it. As it is, you can set it on either side, which ever side up you like best.