Samsung color display unit manual

Samsung Display User Manuals

samsung color display unit manual

Samsung CF391 Series C32F391FWU Г©cran LED -. Users can fine-tune the colors with Samsung Color Expert, which offers more detailed management for any custom needs and provides added convenience by reducing calibration time. Color vibrancy can be calibrated automatically or manually. Plus, color values can be shared between multiple displays, ensuring outstanding intensity across all video wall screens, dazzling the audience., 02/04/2016В В· How to reset the counter Samsung OPC drum Unit using only a copper wire. For use on Samsung Color Laser printers CLT-R406 CLP-360 CLP-365 CLX-3300 CLT-R409 C....

27" Samsung C27F390FH Specifications

Solve Samsung SMT-190DN problem Solve device problem. Samsung 27" Color Display Unit Monitor. Get a great deal with this online auction for a monitor presented by Property Room on behalf of a law enforcement or public agency client., Honeywell’s Multi-Function Control and Display Unit (MCDU) optimizes aircraft and crew performance with a multifunction display-keyboard interface. Read more! Read more! We use cookies to improve website performance, facilitate information sharing on social media and ….

Discuss: Samsung SyncMaster 320MX-2 32" LCD flat panel display Sign in to comment. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage Moniteur bureautique + de 32'' Samsung CF391 Series C32F391FWU - écran LED - 32" Samsung chez Inmac Wstore, leader de l'informatique pour les entreprises. Livraison en …

15/04/2010 · The Samsung P2450H 24" Widescreen Touch of Color LCD Monitor gives you a premium monitor an at accessible price. Its Touch of Color cabinet … This Samsung Xpress C480FW Manual guide provides information for your basic understanding of the printer as well as detailed steps to explain the use of the printer. Enjoy easy installation in three steps, without a USB connection. The SPSI (Samsung Printer S/W Installer) automatically selects the operating system and installs the driver

02/04/2016В В· How to reset the counter Samsung OPC drum Unit using only a copper wire. For use on Samsung Color Laser printers CLT-R406 CLP-360 CLP-365 CLX-3300 CLT-R409 C... Discuss: Samsung SyncMaster 320MX-2 32" LCD flat panel display Sign in to comment. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage

GRATUIT ! Ce site permet de télécharger le mode d'emploi SAMSUNG SL-C480W en Français. Télécharger mode d'emploi, notice, manuel quelque soit la marque. Archivez vos modes d'emploi pour les consulter plus tard. 15/04/2010 · The Samsung P2450H 24" Widescreen Touch of Color LCD Monitor gives you a premium monitor an at accessible price. Its Touch of Color cabinet …

Samsung SMT-190DN. Solve device problem. Videos (tutorials) Documents (manuals) Samsung Galaxy Grand Prime Dual Sim Factory Unlocked Phone, International Version Retail Packaging, Check on Amazon. Samsung Gear VR - Virtual Reality Headset. Check on Amazon . Samsung Galaxy Ace 4 Neo G318M 4GB Single Sim - Factory Unlocked Phone - Retail Packaging (Black) Check on Amazon. Videos. Samsung … Check out our support resources for your DB Series Digital Signage DB10D to find manuals, specs, features, and FAQs. You can also register your product to gain access to Samsung's world-class customer support.

View and Download Samsung LTN1765 owner's instructions manual online. TFT-LCD TELEVISION. LTN1765 LCD TV pdf manual download. Also for: Ltn1565, Ltn1565w, Ltn1765w. Check out our support resources for your DB Series Digital Signage DB10D to find manuals, specs, features, and FAQs. You can also register your product to gain access to Samsung's world-class customer support.

With quick cyclic switching between different color tones, an illusion for a new intermediate color tone is created. For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms. Yes: Colors 01/10/2014В В· Samsung's Plane-to-Line switching (PLS) panel technology produces accurate colors and decent contrast, but is limited by adherence to the sRGB color space, the minimum color space for modern monitors. In the same vein, the picture is not as crisp as it would be at a higher resolution; 1080p (1920 x 1080) resolution is the smallest you can "get away with" on a 27-inch screen meant to display

Moniteur bureautique + de 32'' Samsung CF391 Series C32F391FWU - écran LED - 32" Samsung chez Inmac Wstore, leader de l'informatique pour les entreprises. Livraison en … The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively. 8 bits: Colors. The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC. 16777216 colors

Samsung C24F390FH is also known as Samsung C24F390FHN, Samsung LC24F390FHN, Samsung C24F390FHU, Samsung LC24F390FHU. Home › Samsung › C24F390FH Width Height Depth Weight Power consumption 02/04/2016 · How to reset the counter Samsung OPC drum Unit using only a copper wire. For use on Samsung Color Laser printers CLT-R406 CLP-360 CLP-365 CLX-3300 CLT-R409 C...

15/12/2017В В· Assurez-vous une efficacitГ© permanente de vos messages grГўce aux qualitГ©s de l'Г©cran dynamique Samsung DC49J. Ce modГЁle Full HD vous accompagnera dans votre stratГ©gie pour afficher les contenus dГ©sirГ©s dans les meilleures conditions. GГ©rez simplement l'affichage, profitez d'une connectique Г©tendue et apprГ©ciez une puissance sonore de 01/10/2014В В· Samsung's Plane-to-Line switching (PLS) panel technology produces accurate colors and decent contrast, but is limited by adherence to the sRGB color space, the minimum color space for modern monitors. In the same vein, the picture is not as crisp as it would be at a higher resolution; 1080p (1920 x 1080) resolution is the smallest you can "get away with" on a 27-inch screen meant to display

Get Samsung SyncMaster 226BW LCD Monitor Owner's Manual. Get all Samsung manuals! Samsung C32F391FW series Pdf User Manuals. View online or download Samsung C32F391FW series User Manual

Users can fine-tune the colors with Samsung Color Expert, which offers more detailed management for any custom needs and provides added convenience by reducing calibration time. Color vibrancy can be calibrated automatically or manually. Plus, color values can be shared between multiple displays, ensuring outstanding intensity across all video wall screens, dazzling the audience. Page 12 CONFIDENTIAL Copyright Trademarks © 2001 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. GH19P* and Macmaster Cable Adapter are This manual may not, in whole or in part, be trademarks of Sansung Electronics Co…

Check out our support resources for your DB Series Digital Signage DB10D to find manuals, specs, features, and FAQs. You can also register your product to gain access to Samsung's world-class customer support. Check out our support resources for your DB Series Digital Signage DB10D to find manuals, specs, features, and FAQs. You can also register your product to gain access to Samsung's world-class customer support.

SAMSUNG DH40D USER MANUAL Pdf Download.

samsung color display unit manual

HOW TO REPAIR SAMSUNG TV WITH BAD PICTURE (como. Find the user manual you need for your TV and more at ManualsOnline. Samsung P2770HD Flat Panel Television User Manual. Open as PDF. of 64 SyncMaster P2370HD P2570HD P2770HD. LCD TV Monitor. User Manual. The color and the appearance may differ depending on the . product, and the specifications are subject to change . without prior notice to improve the performance. next . Problems, 15/04/2010 · The Samsung P2450H 24" Widescreen Touch of Color LCD Monitor gives you a premium monitor an at accessible price. Its Touch of Color cabinet ….

Samsung C32F391FW series Manuals

samsung color display unit manual

Solve Samsung SMT-190DN problem Solve device problem. The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively. 8 bits: Colors. The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC. 16777216 colors https://ja.m.wikipedia.org/wiki/%E3%83%A2%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB:UnitTests Display Solutions. Enhance businesses in the hospital industry with optimized display solution. Sports. Sports Display Solutions. Creating a connected and immersive experience for spectators. Color Expert Pro. Color Expert Pro. Industry-Leading Calibration Technology for Large-Scale Video Walls. LED Signage Manager. Samsung LED Signage Manager. Control and calibrate LED displays with.

samsung color display unit manual

  • 31.5" Samsung C32F391FW Specifications
  • 31.5" Samsung C32F391FW Specifications
  • Samsung CF391 Series C32F391FWU Г©cran LED -
  • Samsung P2450H 24" Widescreen Touch of Color LCD Monitor

  • Discuss: Samsung SyncMaster 320MX-2 32" LCD flat panel display Sign in to comment. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage 15/12/2017В В· Assurez-vous une efficacitГ© permanente de vos messages grГўce aux qualitГ©s de l'Г©cran dynamique Samsung DC49J. Ce modГЁle Full HD vous accompagnera dans votre stratГ©gie pour afficher les contenus dГ©sirГ©s dans les meilleures conditions. GГ©rez simplement l'affichage, profitez d'une connectique Г©tendue et apprГ©ciez une puissance sonore de

    View and Download Samsung LTN1765 owner's instructions manual online. TFT-LCD TELEVISION. LTN1765 LCD TV pdf manual download. Also for: Ltn1565, Ltn1565w, Ltn1765w. GRATUIT ! Ce site permet de télécharger le mode d'emploi SAMSUNG SL-C480W en Français. Télécharger mode d'emploi, notice, manuel quelque soit la marque. Archivez vos modes d'emploi pour les consulter plus tard.

    Get Samsung SyncMaster 226BW LCD Monitor Owner's Manual. Get all Samsung manuals! 02/04/2016В В· How to reset the counter Samsung OPC drum Unit using only a copper wire. For use on Samsung Color Laser printers CLT-R406 CLP-360 CLP-365 CLX-3300 CLT-R409 C...

    15/04/2010 · The Samsung P2450H 24" Widescreen Touch of Color LCD Monitor gives you a premium monitor an at accessible price. Its Touch of Color cabinet … LFD DISPLAY User Manual The color and the appearance may differ depending on the product, and the specifications are subject to change without prior notice to improve the …

    Samsung 27" Color Display Unit Monitor. Get a great deal with this online auction for a monitor presented by Property Room on behalf of a law enforcement or public agency client. Samsung C24F390FH is also known as Samsung C24F390FHN, Samsung LC24F390FHN, Samsung C24F390FHU, Samsung LC24F390FHU. Home › Samsung › C24F390FH Width Height Depth Weight Power consumption

    Buy Samsung S22F350FH 21.5-Inch FHD Monitor: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchases The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively. 8 bits: Colors. The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC. 16777216 colors

    GRATUIT ! Ce site permet de télécharger le mode d'emploi SAMSUNG SL-C480W en Français. Télécharger mode d'emploi, notice, manuel quelque soit la marque. Archivez vos modes d'emploi pour les consulter plus tard. Samsung has engineered the DB10D display with several features that ensure superb picture quality for maximum impact. Audiences can view the screen clearly from almost anywhere thanks to an extremely wide-viewing angle with a WVA panel. In addition, various picture modes can be used for a variety of environments to the gain the optimal quality for the right location. These include rich color

    HOW TO REPAIR SAMSUNG TV WITH BAD PICTURE (como

    samsung color display unit manual

    Solve Samsung SMT-190DN problem Solve device problem. Moniteur bureautique + de 32'' Samsung CF391 Series C32F391FWU - écran LED - 32" Samsung chez Inmac Wstore, leader de l'informatique pour les entreprises. Livraison en …, Samsung C24F390FH is also known as Samsung C24F390FHN, Samsung LC24F390FHN, Samsung C24F390FHU, Samsung LC24F390FHU. Home › Samsung › C24F390FH Width Height Depth Weight Power consumption.

    Samsung SyncMaster 320MX-2 32" LCD flat panel display

    DB Series Digital Signage DB10D Support & Manual Samsung. Honeywell’s Multi-Function Control and Display Unit (MCDU) optimizes aircraft and crew performance with a multifunction display-keyboard interface. Read more! Read more! We use cookies to improve website performance, facilitate information sharing on social media and …, The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively. 8 bits: Colors. The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC. 16777216 colors.

    LFD DISPLAY User Manual The color and the appearance may differ depending on the product, and the specifications are subject to change without prior notice to improve the … Page 12 CONFIDENTIAL Copyright Trademarks © 2001 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. GH19P* and Macmaster Cable Adapter are This manual may not, in whole or in part, be trademarks of Sansung Electronics Co…

    Moniteur bureautique + de 32'' Samsung CF391 Series C32F391FWU - écran LED - 32" Samsung chez Inmac Wstore, leader de l'informatique pour les entreprises. Livraison en … Moniteur bureautique + de 32'' Samsung CF391 Series C32F391FWU - écran LED - 32" Samsung chez Inmac Wstore, leader de l'informatique pour les entreprises. Livraison en …

    Honeywell’s Multi-Function Control and Display Unit (MCDU) optimizes aircraft and crew performance with a multifunction display-keyboard interface. Read more! Read more! We use cookies to improve website performance, facilitate information sharing on social media and … 01/10/2014 · Samsung's Plane-to-Line switching (PLS) panel technology produces accurate colors and decent contrast, but is limited by adherence to the sRGB color space, the minimum color space for modern monitors. In the same vein, the picture is not as crisp as it would be at a higher resolution; 1080p (1920 x 1080) resolution is the smallest you can "get away with" on a 27-inch screen meant to display

    21/08/2014В В· In this video you will learn how to repair your Samsung TV if you experience color issues on the screen. The issue is the gama IC located in the T-con board. Replacing the IC is an option; however Display Solutions. Enhance businesses in the hospital industry with optimized display solution. Sports. Sports Display Solutions. Creating a connected and immersive experience for spectators. Color Expert Pro. Color Expert Pro. Industry-Leading Calibration Technology for Large-Scale Video Walls. LED Signage Manager. Samsung LED Signage Manager. Control and calibrate LED displays with

    Page 12 CONFIDENTIAL Copyright Trademarks © 2001 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. GH19P* and Macmaster Cable Adapter are This manual may not, in whole or in part, be trademarks of Sansung Electronics Co… Samsung has engineered the DB10D display with several features that ensure superb picture quality for maximum impact. Audiences can view the screen clearly from almost anywhere thanks to an extremely wide-viewing angle with a WVA panel. In addition, various picture modes can be used for a variety of environments to the gain the optimal quality for the right location. These include rich color

    For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms. LFD DISPLAY User Manual The color and the appearance may differ depending on the product, and the specifications are subject to change without prior notice to improve the …

    Discuss: Samsung SyncMaster 320MX-2 32" LCD flat panel display Sign in to comment. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage Get Samsung SyncMaster 226BW LCD Monitor Owner's Manual. Get all Samsung manuals!

    Display Solutions. Enhance businesses in the hospital industry with optimized display solution. Sports. Sports Display Solutions. Creating a connected and immersive experience for spectators. Color Expert Pro. Color Expert Pro. Industry-Leading Calibration Technology for Large-Scale Video Walls. LED Signage Manager. Samsung LED Signage Manager. Control and calibrate LED displays with LFD DISPLAY User Manual The color and the appearance may differ depending on the product, and the specifications are subject to change without prior notice to improve the …

    Samsung 27" Color Display Unit Monitor. Get a great deal with this online auction for a monitor presented by Property Room on behalf of a law enforcement or public agency client. Honeywell’s Multi-Function Control and Display Unit (MCDU) optimizes aircraft and crew performance with a multifunction display-keyboard interface. Read more! Read more! We use cookies to improve website performance, facilitate information sharing on social media and …

    Find the user manual you need for your TV and more at ManualsOnline. Samsung P2770HD Flat Panel Television User Manual. Open as PDF. of 64 SyncMaster P2370HD P2570HD P2770HD. LCD TV Monitor. User Manual. The color and the appearance may differ depending on the . product, and the specifications are subject to change . without prior notice to improve the performance. next . Problems 15/12/2017В В· Assurez-vous une efficacitГ© permanente de vos messages grГўce aux qualitГ©s de l'Г©cran dynamique Samsung DC49J. Ce modГЁle Full HD vous accompagnera dans votre stratГ©gie pour afficher les contenus dГ©sirГ©s dans les meilleures conditions. GГ©rez simplement l'affichage, profitez d'une connectique Г©tendue et apprГ©ciez une puissance sonore de

    Discuss: Samsung SyncMaster 320MX-2 32" LCD flat panel display Sign in to comment. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage Samsung SMT-190DN. Solve device problem. Videos (tutorials) Documents (manuals) Samsung Galaxy Grand Prime Dual Sim Factory Unlocked Phone, International Version Retail Packaging, Check on Amazon. Samsung Gear VR - Virtual Reality Headset. Check on Amazon . Samsung Galaxy Ace 4 Neo G318M 4GB Single Sim - Factory Unlocked Phone - Retail Packaging (Black) Check on Amazon. Videos. Samsung …

    01/10/2014В В· Samsung's Plane-to-Line switching (PLS) panel technology produces accurate colors and decent contrast, but is limited by adherence to the sRGB color space, the minimum color space for modern monitors. In the same vein, the picture is not as crisp as it would be at a higher resolution; 1080p (1920 x 1080) resolution is the smallest you can "get away with" on a 27-inch screen meant to display Samsung has engineered the DB10D display with several features that ensure superb picture quality for maximum impact. Audiences can view the screen clearly from almost anywhere thanks to an extremely wide-viewing angle with a WVA panel. In addition, various picture modes can be used for a variety of environments to the gain the optimal quality for the right location. These include rich color

    21/08/2014В В· In this video you will learn how to repair your Samsung TV if you experience color issues on the screen. The issue is the gama IC located in the T-con board. Replacing the IC is an option; however 01/10/2014В В· Samsung's Plane-to-Line switching (PLS) panel technology produces accurate colors and decent contrast, but is limited by adherence to the sRGB color space, the minimum color space for modern monitors. In the same vein, the picture is not as crisp as it would be at a higher resolution; 1080p (1920 x 1080) resolution is the smallest you can "get away with" on a 27-inch screen meant to display

    Samsung S27D390 LED Monitor Review Reviewed Computer

    samsung color display unit manual

    Samsung CF391 Series C32F391FWU écran LED -. A key aspect of the enhanced TIZEN-based SSSP 4.0 platform, Samsung’s MagicInfo Player S4 enables users to fully leverage the power of their display network from any location through a centralized server. More useable than ever, MagicInfo Player S4 merges a dedicated Backup Player with DataLink content streaming capabilities to reduce the effort needed to share vital information., Display Solutions. Enhance businesses in the hospital industry with optimized display solution. Sports. Sports Display Solutions. Creating a connected and immersive experience for spectators. Color Expert Pro. Color Expert Pro. Industry-Leading Calibration Technology for Large-Scale Video Walls. LED Signage Manager. Samsung LED Signage Manager. Control and calibrate LED displays with.

    samsung color display unit manual

    UE55D SMART Signage Samsung Display Solutions

    samsung color display unit manual

    Solve Samsung SMT-190DN problem Solve device problem. GRATUIT ! Ce site permet de télécharger le mode d'emploi SAMSUNG SL-C480W en Français. Télécharger mode d'emploi, notice, manuel quelque soit la marque. Archivez vos modes d'emploi pour les consulter plus tard. https://ja.m.wikipedia.org/wiki/%E3%83%A2%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB:UnitTests With quick cyclic switching between different color tones, an illusion for a new intermediate color tone is created. For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms. Yes: Colors.

    samsung color display unit manual


    GRATUIT ! Ce site permet de télécharger le mode d'emploi SAMSUNG SL-C480W en Français. Télécharger mode d'emploi, notice, manuel quelque soit la marque. Archivez vos modes d'emploi pour les consulter plus tard. 01/10/2014 · Samsung's Plane-to-Line switching (PLS) panel technology produces accurate colors and decent contrast, but is limited by adherence to the sRGB color space, the minimum color space for modern monitors. In the same vein, the picture is not as crisp as it would be at a higher resolution; 1080p (1920 x 1080) resolution is the smallest you can "get away with" on a 27-inch screen meant to display

    View and Download Samsung LTN1765 owner's instructions manual online. TFT-LCD TELEVISION. LTN1765 LCD TV pdf manual download. Also for: Ltn1565, Ltn1565w, Ltn1765w. Find the user manual you need for your TV and more at ManualsOnline. Samsung P2770HD Flat Panel Television User Manual. Open as PDF. of 64 SyncMaster P2370HD P2570HD P2770HD. LCD TV Monitor. User Manual. The color and the appearance may differ depending on the . product, and the specifications are subject to change . without prior notice to improve the performance. next . Problems

    15/04/2010 · The Samsung P2450H 24" Widescreen Touch of Color LCD Monitor gives you a premium monitor an at accessible price. Its Touch of Color cabinet … View and Download Samsung LTN1765 owner's instructions manual online. TFT-LCD TELEVISION. LTN1765 LCD TV pdf manual download. Also for: Ltn1565, Ltn1565w, Ltn1765w.

    Users can fine-tune the colors with Samsung Color Expert, which offers more detailed management for any custom needs and provides added convenience by reducing calibration time. Color vibrancy can be calibrated automatically or manually. Plus, color values can be shared between multiple displays, ensuring outstanding intensity across all video wall screens, dazzling the audience. 15/04/2010 · The Samsung P2450H 24" Widescreen Touch of Color LCD Monitor gives you a premium monitor an at accessible price. Its Touch of Color cabinet …

    View and Download Samsung LTN1765 owner's instructions manual online. TFT-LCD TELEVISION. LTN1765 LCD TV pdf manual download. Also for: Ltn1565, Ltn1565w, Ltn1765w. With quick cyclic switching between different color tones, an illusion for a new intermediate color tone is created. For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms. Yes: Colors

    For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms. With quick cyclic switching between different color tones, an illusion for a new intermediate color tone is created. For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms. Yes: Colors

    samsung color display unit manual

    View and Download Samsung DH40D user manual online. LFD DISPLAY. DH40D Monitor pdf manual download. Also for: Dh48d, Dh55d, Dm32d, Dm40d, Dm48d, Dm55d, Db32d, Db40d 15/12/2017В В· Assurez-vous une efficacitГ© permanente de vos messages grГўce aux qualitГ©s de l'Г©cran dynamique Samsung DC49J. Ce modГЁle Full HD vous accompagnera dans votre stratГ©gie pour afficher les contenus dГ©sirГ©s dans les meilleures conditions. GГ©rez simplement l'affichage, profitez d'une connectique Г©tendue et apprГ©ciez une puissance sonore de