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Description
Meridian Technologies SR-4HD-51/57ST 4-Channel Multi-Rate SDI/HD-SDI Video ReceiverUses 1 Single Mode Fiber Standard 1 Slot Card Design ST Optical Connector Coarse Wavelength Division Multiplexing The Meridian Technologies SR 4HD 51 57ST 4 Channel Multi Rate SDI HD SDI Video Receiver from the ST SR 4HD CWDM DigiView transmitter and receiver system series, receives 4 channels of real time SDI HD SDI video signals over 1 single mode fiber via an ST optical connector. Using CWDM (Coarse Wavelength Division Multiplexing) technology, the
- Uses 1 Single-Mode Fiber
- Standard 1-Slot Card Design
- ST Optical Connector
- Coarse Wavelength Division Multiplexing
The Meridian Technologies SR-4HD-51/57ST 4-Channel Multi-Rate SDI/HD-SDI Video Receiver from the ST/SR-4HD-CWDM DigiView transmitter and receiver system series, receives 4 channels of real-time SDI/HD-SDI video signals over 1 single-mode fiber via an ST optical connector. Using CWDM (Coarse Wavelength Division Multiplexing) technology, the content details of each video channel are preserved by real-time reception of each video channel in a compact card format. The SR-4HD-51/57ST digital video receiver and the ST-4HD-CWDM transmitter (sold separately) when used together, provide broadcast-quality transmission of the industry-standard range of digital video data rates. No user adjustments are required, ensuring fast deployment and setup with broadcast-quality results. The entire electrical and optical subsystems are housed in a standard Meridian 1-slot card design for mounting in any venue, particularly in areas with space constraints.
- Receives multi-rate SDI/HD-SDI video signals over 1 single-mode fiber
- Real-time and uncompressed video reception
- Supports the Following Formats:
SMPTE 310M (19.4 Mbps), SMPTE 259M/344M (143 to 540 Mbps), SMPTE 292M HDTV (1.485 Gbps), DVB-ASI (270 Mbps), and SMPTE 305M (SDTI rates)
- Error-free pathological pattern performance
- Supports embedded audio and metadata
- Receives transmission at distances >18.64 mi (30 km)
- Wide Dynamic Range eliminates the need for optical attenuators
- Requires no user adjustments
- Applications include remote broadcast camera links, sporting events and concerts, media feeds, video production, studio to studio and headend feeds, military information displays, and video transport systems
In the Box
Meridian Technologies SR-4HD-51/57ST 4-Channel Multi-Rate SDI/HD-SDI Video Receiver
- 10-Year Limited Warranty on Receiver
- 5-Year Warranty on Optical Connector
| Formats | SMPTE 310M (19.4 Mbps) SMPTE 259M/344M (143 To 540 Mbps) SMPTE 292M HDTV (1.485 Gbps) DVB-ASI (270 Mbps) SMPTE 305M (SDTI rates) |
| Nominal Level | 0.8 Vpp Maximum: 1 Vpp |
| Data Rate | 19 Mbps to 1.5 Gbps per channel |
| Impedance | 75 ? |
| Gain | Unity |
| Coupling | Input: AC |
| Return Loss | >15 dB |
| Jitter | Pattological Data Pattern: <0.2 UI |
| Cable Equalization | Automatic: 0 to 656.17' (0 to 200 m) @ 1.5 Gbps |
| Bit Error Rate | 10 -12 (0 to -20 dBm) |
| Connectors | Video: 75 ? BNC (gold center pin) Optical: ST |
| Wavelength | Channel 1: 1510 nm Channel 2: 1530 nm Channel 3: 1550 nm Channel 4: 1570 nm |
| Output Power | 3 dBm per channel |
| LED Indicators | Green 1: Power on 4: Level 0 / -10 dBm 4: Level -10 / -20 dBm |
| MTBF | >170,000 hours @ ground fix 95�F (35�C) per MIL217F |
| Number of Slots | 1 |
| Temperature | Operating: 14 to 122�F (-10 to 50�C) Storage: -67 to 185�F (-55 to 85�C) |
| Relative Humidity | 0 to 95% (non-condensing) |
| Dimensions (L x W x D) | Card: 6.3 x 5 x 0.8" (160 x 127 x 20 mm) |
| Weight | Card: 16 oz (450 g) |
| Packaging Info | |
|---|---|
| Package Weight | 1.5 lb |
| Box Dimensions (LxWxH) | 10.0 x 7.0 x 3.0" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Overall Excellent - Thorough Review - READ ME
Style: Stereo Receiver, Configuration: Receiver
I'm not an audiophile per se, but I do have elevated listening preferences. I enjoy finding the value in devices, and system configs. So that's the reason I tried this more budget-friendly receiver.
Aesthetics: The look is very sleek and modern, which is great but sometimes I miss the nostalgia of more knobs. There is no base/treble knob and most everything is controlled by remote. That's fine I suppose, just be aware. The volume knob is very large and traditional which I love, but is also very stiff and not buttery smooth like you might expect. Perhaps that will break-in.
Sound Quality: Wow, this sounds incredible. There is definitely a DSP happening that is noticeably awesome. It's referred to by Sony as Pure Direct. If you want to by-pass this, you can, but you'll hear right away the difference is major. I'm using simple Klipsch bookshelf speakers, and my expectations are surpassed on how much they come to life with bright and rich sound. Definitely a nice pairing for those shopping for speakers along with this unit. Overall the SQ is gonna be tough to beat without spending exponentially more.
Remote: The remote is nice, sleek, and has what you need to quickly access. No complaints there.
Installation: Takes minutes, super easy. Didn't follow any instructions due to my general confidence hooking up home audio gear.
Overall: I highly recommend this one, and I'm picky. Initially, I fully expected to return this receiver, but plan to keep it. The only thing that may change my mind, is if I miss the nostalgia... then I'll have to go vintage. But no way a vintage receiver will sound this good. Props to Sony. Well done :)
A+
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Reviewed in the United States on January 18, 2024
★★★★★ 5
Nice amplifier for the cost.
Style: Stereo Receiver, Configuration: Receiver
I had been using my Marantz model 22 receiver now for a couple years now with the TV, dvd player, and youtube music from my tablet. I like lots of knots and switches on my audio gear, I'm an engineer. I was getting tired of the seemingly endless up and down to adjust volume and whatever. And my inputs on the Marantz were maxed out. I searched Amazon to see what was available as a possible replacement that had a REMOTE. This Sony caught my eye. Relatively inexpensive, plenty of inputs, and specs I could trust, not a 3x4x5 box offering 220+220 watts of unlimited power! Ordered it and been using it for over a month now. Only 2 knobs, how good could that be? Well, it's remote let's me control everything without getting up. Plenty of output power, 100+100 watts of true RMS power. I didn't plan on using the Bluetooth but I tried it with the tablet, keeping the tablet by me, and it really impressed this old audiophile. I really don't have any negatives about it, even the fm sounds great. It was heavier than expected but not as much as that old Marantz. I even popped the cover. The build quality was what I consider good. I only wish I could find a service manual with the schematic for it.
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Reviewed in the United States on September 23, 2025
★★★★★ 5
very good wire for marine applications.
Size: 60ft, Style: 14 Gauge
Great stuff for wiring up a marine system. I like the gauge of the wires, how they are shielded and very sturdy. They deliver the power to the speakers well and I have had zero issue with them. I would definitely purchase again. The wires were easy to solder and are color coded black and red. I used nearly the full 100ft spool to wire up 4 8" speakers on a 24 ft Skeeter Sx240. I feel the price was competitive and having delivery to the house is a plus. I didnt have any problems stripping the wires, very easy.
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Worked great for boat install
Size: 30ft, Style: 10 Gauge
Bought this to run some accessories on my boat. Worked great and well made. Flexible even with the coating. Made for easy work and should last. I wouldn’t hesitate to buy again if needed.
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Reviewed in the United States on January 19, 2026
★★★★★ 5
High Quality Durable and Easy to Use
Size: 100ft, Style: 14 Gauge
This marine-grade wire is exactly what I needed for my boat's electrical setup The tinned copper construction ensures excellent conductivity and corrosion resistance making it perfect for marine automotive RV and solar applications
The PVC insulation is thick and durable providing extra protection against moisture and wear The wire is flexible yet strong making it easy to route through tight spaces without breaking or kinking
This product offers great value for money excellent functionality and is easy to use If you need reliable waterproof and corrosion-resistant wiring for your boat or RV this is a fantastic choice Highly recommend
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Reviewed in the United States on January 31, 2025
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