Upgradation of 3D Theatre Video Projection System for Museum and Zoo Trivandrum

Laser Light-Source Multimedia Projector with 6,000 ANSI-lumen WUXGA (1920×1200) DLP projector, with 30-bit colour (≈1.07 billion colours), native aspect ratio 16:10, contrast ratio of 3,000,000:1 (FOFO), and 20,000-hour light-source life. It shall feature a manual 1.6× zoom and manual focus lens (throw ratio 1.36–2.18:1; focal length ≈14.3–22.9 mm, f/1.81–2.1), lens shift ±60% vertical / ±23% horizontal, 2D keystone correction ±30° vertical & horizontal, and support image sizes from approximately 30″ to 300″. It shall accept input resolutions from VGA (640×480) up to 4K UHD (3840×2160) with horizontal scan 15–135 kHz and vertical scan 23–120 Hz, and include dual HDMI 2.0a inputs (HDCP2.2), HDBaseT (RJ-45) for video/audio/control, LAN (RJ-45), RS-232, USB Type-A (with 5V/1.5A power), 3D sync in/out ports, PC-in & monitor out (D-sub 15-pin), wired remote input, and 12V trigger. Built-in audio shall comprise dual 10W speakers with 3.5mm audio in/out. The unit shall draw approx. 440 W in normal operation (<495 W max), <0.5 W in standby (<2 W network), operate in ambient temperatures 0–40 °C, weigh around 7 kg, with dimensions approx. 416×166×351 mm. Additional features include IP5X dust-proof sealed optical engine, Rec.709 ~92% colour coverage, multiple picture modes (Infographic/Presentation/Video/sRGB), display resolution switch to 1080p, large lens shift & zoom for flexible installation, 360°/portrait projection capability, full control via LAN/HDBaseT/RS-232, and a ceiling or wall mounting bracket suitable for secure installation.Make: Optoma/Benq/Panasonic

3D Passive Polarization Modulator is designed for seamless integration with all DLP 3D projectors, efficiently converting active 3D signals into polarized 3D output compatible with cost-effective passive 3D glasses. Supporting frame rates up to 120Hz (60Hz per eye) or higher, it delivers a bright, high-contrast 3D viewing experience with minimal flicker and ghosting. Available in linear or circular polarization, it ensures smooth synchronization with the projector’s 3D sync signals, enabling precise left/right eye alternation. Featuring an adjustable mounting system with dedicated mounting brackets, the modulator allows for secure, stable, and flexible installation, accommodating various projector models and ensuring precise alignment. Built with high-quality optical components, it ensures durability and long-term performance, making it ideal for museums, educational institutions, simulation environments, theatres, and immersive exhibitions requiring cost-effective, high-performance 3D projection. Engineered for maximum light efficiency, the modulator minimizes brightness loss while maintaining vivid color reproduction and sharp image clarity. Its compact and lightweight design ensures easy integration with existing projection setups, while the automated or manual switching mechanism enables effortless toggling between 2D and 3D modes. Designed for continuous 24/7 operation, it meets professional-grade reliability standards, making it an ideal solution for both permanent installations and temporary setups. The included adjustable mounting brackets allow for precise positioning, easy adjustments, and enhanced stability, ensuring optimal performance in various projection environments.Make: TI/YANTUO/YANTOK

High-performance 9.4-channel AV receiver delivering approx. 105 W per channel (8 Ω, 20-20 kHz, THD 0.08%) with discrete high-current Class-AB amplification, supporting object-based and immersive audio formats such as Dolby Atmos, DTS:X, IMAX Enhanced and Auro-3D, with legacy upmixing via Dolby Surround, DTS Neural:X and Auro-Matic. It shall offer 11.4-channel processing capability, fungible amplifier assignment (for bi-amping, Zone 2, height channels, or external amplification), and pre-amplifier mode for flexible system integration. On video, all six HDMI inputs and two of three HDMI outputs shall support 8K video pass-through with compatibility for HDR formats including HDR10, HDR10+, Dolby Vision, HLG and Dynamic HDR. For connectivity and control, it shall include built-in HEOS for wireless multi-room streaming, WiFi, Bluetooth, AM/FM tuner, USB input supporting hi-res audio, voice-assist integration, flexible setup via Audyssey MultEQ XT32 room correction, and future-upgradeable Dirac Live calibration. The unit shall provide multiple subwoofer outputs, robust bass management, low latency gaming-friendly modes (ALLM, VRR etc.), and be physically rugged with multiple HDMI ports, analog/digital inputs, with warranty and support compliant with manufacturer specifications.Make: Denon / Onkyo / Marantz

4K UHD Media Player with a premium aluminum alloy chassis and LED front display, running Android 11 on a Realtek RTD1619BPD quad-core (ARM Cortex-A55) CPU with Mali-G57 GPU, equipped with 4 GB DDR4 RAM and 32 GB eMMC internal storage. It shall support dual-band WiFi (2.4 GHz + 5 GHz) with 802.11a/b/g/n/ac/ax protocols (2T2R, MIMO OFDM), Bluetooth 5.2, and Gigabit Ethernet (RJ-45 10/100/1000 Mbps). For video output, it shall provide one HDMI 2.1 port capable of 4K@60Hz, 12-bit HDR, BT.2020 colour space, YCbCr 4:4:4 output, plus a second HDMI 1.4 (audio-only) output for separate audio and video paths. Video decoding shall include 4K@60p formats (HEVC/H.265/AV1 etc.), HDR10, HDR10+, and Dolby Vision. Audio outputs shall include optical, coaxial, and analogue RCA L/R with support for two-channel and 5.1-channel passthrough. The unit shall include an internal SATA-3.0 bay for a 3.5″ HDD (up to approx 14-16TB), multiple USB ports (one USB3.0 + three USB2.0), interfaces for IR receiver, RS-232, RCA composite (CVBS), and control via RS-232, HDMI-CEC, mobile app, and network (TCP/IP/WOL). Power supply shall be built-in switching (supporting ~110-240V, 50/60Hz), Make: ZAPPITI / REAVON /Zidoo

HDMI Ultra Series 20-Foot Cable (19-Pin Type A Male) input/output with uncompressed video encoding, an encoding data rate of 18Gbps, and zero end-to-end latency, supporting maximum resolutions of 1920x1080p @240Hz 8-bit RGB, 2560x1440p @120Hz 8-bit RGB, 4096x2160p @60Hz 10-bit HDR 4:2:0, 4096x2160p @60Hz 12-bit HDR 4:2:2, 4096x2160p @60Hz 10-bit HDR 4:4:4, and 4096x2160p @60Hz 10-bit RGB. It shall support DCI, Dynamic HDR, Static HDR, HDR10+, SL-HDR1, Dolby Vision, HLG, PQ, BT.2020, and BT.2100 standards. Audio Return Channel (ARC) shall be supported with compatibility for 2ch PCM, Multichannel LPCM, DTS-X, and Dolby Atmos formats, with a maximum sampling rate of 192KHz and up to 32 audio channels. Communication and control features shall include CEC, Ethernet (100Mbps), Variable Refresh Rate (VRR), and Auto Low Latency Mode (ALLM). The HDMI solution shall ensure high-speed performance up to 18Gbps at 4K/60Hz, 4:4:4 with 10-bit HDR, and feature a flexible, durable cable jacket with kink protection and a 99% oxygen-free solid copper core. It shall be compatible with all current and emerging HDR standards up to 60Hz, including HLG, HDR10, HDR10+, Dolby Vision, PQ, and SL-HDR1, and shall support HDMI versions v2.0, v1.4, and v1.3 along with passive communication standards such as ALLM and VRR, while maintaining ARC and CEC compatibility for true native HDMI communication, Make: AudioQuest /Kramer/Wyrestorm

90-Degree Toslink Optical Cable - 1.5 Meter is a high-quality fiber optic cable designed for seamless digital audio transmission in home theatre and entertainment setups. This S/PDIF Toslink Male-to-Male cable supports uncompressed PCM audio and compressed 5.1/7.1 surround sound, ensuring crystal-clear audio quality for Dolby Digital, DTS, and other high-fidelity audio formats, Make: EMK /AudioQuest/SVS

Plastic Frame Circular Polarized 3D Glasses for Adult are designed for immersive 3D viewing, featuring scratch-resistant lenses with a 0.7mm thickness for enhanced durability. The lightweight ABS plastic frame ensures comfort and durability, making them ideal for extended use. With a size of 140 X 41 X 155mm, these glasses provide a comfortable fit for various users. Suitable for theatres, gaming, and entertainment applications, they offer a reliable and high-quality 3D viewing experience, Make: HONY3D PH0055

Plastic Frame Circular Polarized 3D Glasses for Kids are designed for young viewers, offering a lightweight and comfortable fit. Featuring 0.23mm thick normal lenses, they provide a clear and immersive 3D experience. The durable ABS plastic frame in black color ensures long-lasting use, while the compact size of 132mm x 132mm x 37mm makes them perfect for children, Make: RDK

Wet Wipes for Cleaning & Disinfecting 3D Glasses are specially designed for safe and effective sanitization of all types of 3D glasses. Infused with 70% isopropyl alcohol, these wipes efficiently remove smudges, dust, and bacteria, ensuring a hygienic viewing experience. Each wipe measures 1 inch x 2 inches, making them compact and convenient for single-use applications.

Zip Lock Type LD Poly Bags for 3D Glasses are designed for secure storage and protection, ensuring dust-free and scratch-resistant handling of 3D glasses. Made from durable LD polyethylene, these bags offer clarity, flexibility, and reusability. With a size of 3 inches x 8 inches, they accommodate various types of 3D glasses while maintaining a compact and lightweight form.

Installation, configuration, and testing of a 3D projector includes both the 3D projection system and the AV 9.4 channel receiver. The process involves professional mounting of the projector, alignment through focus adjustment, keystone correction, and lens shift, followed by configuring 3D settings for optimal depth and clarity. Connectivity tests are carried out for HDMI, HDBaseT, and other input sources, along with calibration of brightness, contrast, and color levels to achieve the best picture quality. Final testing ensures smooth playback of 3D content, proper synchronization with 3D glasses, and overall system stability. In addition, the AV 9.4 channel receiver will be installed and configured with the existing theater speakers, with complete reprogramming of the sound configuration to suit the room acoustics and speaker layout. This includes fine-tuning channel mapping, bass management, and surround sound optimization to deliver an immersive cinematic experience with seamless integration of both visuals and audio.

3-year maintenance service for 3D theatre equipment, including audio systems, ensures quarterly visits for inspection, cleaning, and performance optimization. This includes projector calibration, 3D system alignment, firmware updates, lamp replacement, and connectivity checks to maintain seamless 3D projection. The audio system is tested and optimized, covering speaker calibration, amplifier tuning, and cable integrity checks for clear and immersive sound. The package also includes troubleshooting, emergency support, wear-and-tear repairs, and detailed service reports, ensuring a high-quality audiovisual experience with minimal downtime.