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Description
Allen Avionics HEC-4000 Video Hum Eliminator, Hum and Noise Eliminator, Four Channel I/O, 75 ohms, Metal HousingHum eliminators work best when interference causes small differences in ground potential (less than 20 VDC) or long cable runs have induced currents. HEC series units also work well when there are multiple power panels in a building that create differences in ground potential which induce ground loop current flow and 60 Hz hum. Four Channels of I O Four input channels give this hum reducer the ability to pass GBR and YUV component signals plus sync.
Hum eliminators work best when interference causes small differences in ground potential (less than 20 VDC) or long cable runs have induced currents. HEC series units also work well when there are multiple power panels in a building that create differences in ground potential which induce ground loop current flow and 60 Hz hum.
- Four Channels of I/O
- Four input channels give this hum reducer the ability to pass GBR and YUV component signals plus sync.
- High dB Isolation Between Channels
- Up to 80 dB of isolation between channels is used while passing a full component signal; this ensures the same quality of hum reduction as the single channel HEC series while still maintaining separate channel integrity.
- Connector Protection
- Featuring 1/4 inch stainless steel guard rails to protect connectors in the field or studio mounted.
In the Box
Allen Avionics HEC-4000 Video Hum Eliminator, Hum and Noise Eliminator, Four Channel I/O, 75 ohms, Metal Housing
- 1 Year Warranty
| Input | Three video composite @ 75 ohms One isolated, balanced channel for component sync All four connectors, 75 ohms BNC |
| Output | Three video composite @ 75 ohms One isolated, balanced channel for component sync All four connectors, 75 ohms BNC |
| Bandwidth | 30 MHz |
| Hum Rejection | 60 dB for 50/60 Hz hum When used in GBR or YUV system |
| Return Loss | 20 dB |
| Dimensions | 4.75 x 3.06 x 7.44" (WxDxH) 12.06 x 7.72 x 18.9cm (WxDxH) |
| Weight | 10 lbs 4.53 kg |
| Packaging Info | |
|---|---|
| Package Weight | 7.5 lb |
| Box Dimensions (LxWxH) | 8.3 x 5.4 x 4.3" |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Keeps it shape and texture after washing
Size: 60''x80'', Color: Tipped Champagne Ivory
Slightly weighty but not heavy, soft, washable and keeps its shape and fluffy texture. Good throw blanket for beds or sofas. Warm and cozy blanket.
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Comforting
Size: 60''x80'', Color: Natural Tan
Very soft, nice weight, long enough to cover whole body
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Soft as Rabbits Fur🥰
Size: 60''x80'', Color: Ombré Silver Onyx, Size: 60''x80'', Color: Ombré Silver Onyx
The softest blanket. Feels like sleeping with rabbit fur. I did anticipate it being a little heavier and it was not but that is ok I love it non the less. Would recommend to anyone! I have not attempted to wash it yet as the last one I ruined washing so were gonna wait as long as possible before washing this one. I would def recommend not drying. It has a luxurious high quality feeling to it that keeps me thinking about it all day! It's not to thick therefore it its too hot but keeps you comfortably warm. Amazon offered a %20 discount at checkout. The Blanket ended up being cheaper than I thought it would be
So far I've used it for a couple weeks and 0 signs of shedding! I use it on my bed as I don't want it to get ruined. I fold it up each morning and put it away. I ordered the 60×80it fits a twin sized bed. I love this size and won't order anything smaller.
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Ultra Luxurious and Washable
Size: 50''x60'', Color: Ombré Hazel Brown
I’ve never written a review this fast. This throw is the height of luxury, style, comfort, feel and appearance. I used on our bed, only on my side as my husband has different temp needs. It doesn’t shed. I only needed the 50x60 inches, but it’s available in 50x80. What clinched the purchase for me was that it is washable and can be tumbled dried. It’s the perfect weight. Not too light and not too heavy. (Goldilocks would have loved it.) It looks and feels like real fur! It’s pricier than other throws but it’s 100% what I wanted and beyond my expectations. 5+ Stars!!!!
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Reviewed in the United States on May 19, 2025
★★★★★ 5
Beautiful and comforting!
Size: Throw(50" X 60"), Color: Tie Dye Brown
Love, Love, Love this throw! I love the feel, coloring, and wearability! When my Tortie Cat lays on it, it is hard to see her! This is warm, soft, and Beautiful! Looks as good today as it did when I got it for Christmas! The Unhide Marshmallow brand was my favorite, before, and I do still like, I hope this washes up as well as they do. It is heavier, But very comforting!
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Reviewed in the United States on September 12, 2025