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Description
Blonder Tongue CATV Channelized Audio/Video Modulator with SAW Filtering (Channel 74)The CATV Channelized Audio Video Modulator, Channel 74, from Blonder Tongue is an all solid state audio video modulator that provides a modulated visual and aural RF carrier output on one specific CATV channel. The unit modulates the audio and video inputs and provides the requested RF CATV channel output for use in a CATV, MATV or SMATV system. The modulator accepts standard (sync negative) polarity video at a 0. 7 2. 5V peak to peak level from
The CATV Channelized Audio/Video Modulator, Channel 74, from Blonder Tongue is an all-solid-state audio/video modulator that provides a modulated visual and aural RF carrier output on one specific CATV channel. The unit modulates the audio and video inputs and provides the requested RF CATV channel output for use in a CATV, MATV or SMATV system. The modulator accepts standard (sync negative) polarity video at a 0.7-2.5V peak to peak level from sources such as a TV camera, video tape recorder, TV demodulator or satellite receiver.
The modulator features a +55dBmV RF output level, and an IF SAW filtering for adjacent channel operation. All aeronautical channels are offset positive with a tolerance of �5kHz as required by FCC 21006. All level controls are located on the front panel. The RF level control provides up to +55dBmV output. The video modulator control sets the depth of modulation for 87.5% over an input video level range from 0.7VP/p to 2.5VP/p. An audio modulation control permits adjustment for �25kHz peak deviation of the aural carrier.
- Meets FCC docket 21006 aeronautical frequency offset requirements
- Fully compatible with BTSC encoded stereo audio
- Front panel accessible level controls for easy set-up and adjustments
- AC outlet
In the Box
Blonder Tongue CATV Channelized Audio/Video Modulator with SAW Filtering (Channel 74)
- Screws for Standard 19" EIA Rack Unit Installation
- Limited 1-Year Warranty
| RF Specification | |
|---|---|
| Frequency Range | CATV channel 74 |
| Output Level | 55 dBmV, minimum |
| Output Level Range | 15 dB |
| Audio/Video Carrier Ratio Control | -7 dB to -20 dB |
| Frequency Tolerance | �10 kHz standard channels, �5 kHz FCC 21006 offsets |
| Audio Carrier Frequency Setting | �1 kHz maximum, 4.5 MHz above video carrier |
| RF to Video Response | 1 dB P/V from Fv -0.5 MHz to Fv +4.2 MHz |
| Broadband Noise | -90 dBc |
| Spurious Output | -60 dBc in 50 to 860 MHz Range @ +55 dBmV output |
| Output Match (Return Loss) | 12 dBc |
| Vestigial Sideband Response | @ channel edge -20 dB, @ adjacent channel -40 dB |
| Video | |
|---|---|
| Input | 0.7 to 2.5 V peak to peak for 87.5% modulation |
| Input Return Loss | 18 dB |
| Carrier-to-Noise Ratio | 62 dB in 4 MHz bandwidth |
| Hum Ratio | 60 dB peak to peak video to 60 Hz RMS |
| Differential Gain | 5% at 87.5% modulation |
| Differential Phase | 5� at 87.5% modulation |
| Group Delay | 170 �50 nS |
| Audio | |
|---|---|
| Input Impedance | 10 k?, unbalanced |
| Input | 140 mV RMS for 25 kHz peak deviation |
| Frequency Response | �1.0 dB (50 Hz - 15 kHz referent to standard 75 msec pre-emphasis) |
| Intercarrier Stability | 4.5 MHz at �5.0 kHz |
| General | |
|---|---|
| Power Requirements | 105 - 130 VAC, 60 Hz, 10.5 W |
| Temperature Range | 0 to +50�C |
| Connectors | |
|---|---|
| Audio In | F-type female |
| Video In | F-type female |
| RF Output | F-type female |
| RF Output Test | F-type female -30 dB |
| AC Outlet | Female AC outlet 600 VA maximum |
| Mechanical | |
|---|---|
| Line Cord | 6' power cable: 3 wire grounded, 3 wire convenience outlet |
| Dimensions (W x H x D) | 19 x 1.75 x 3" (48.26 x 4.44 x 7.62 cm) |
| Weight | 4 lb (1.8 kg) |
Shipping Notes
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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]
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4.5 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great Product!
Style: MULTIBALM
After reading many reviews I decided to try this product, my skin is dry with oily areas plus as I get older I have patchy small discolored areas.
I love this product!
After a few days of putting this on first thing am after washing my face, I found it balanced my skin beautifully! After washing my face to get ready for work, I discovered my makeup goes on so much more smoother, and stays in place without having to touch up constantly. It doesn’t remove wrinkles but definitely makes my skin smoother and wrinkles gentle versus distinctive.
Great product!
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Reviewed in the United States on May 13, 2026
★★★★★ 4
Wrinkles: Meh, KP: Yeah!
Style: MULTIBALM, Style: MULTIBALM
An okay moisturizer. Very shiny. Scent is old fashioned - kind of a floral baby powder scent. Takes a while to soak in which is by design since it only fills in the wrinkles instead of plumping them. The illusion is in the shine. You can see from my photos that in certain light the wrinkles appear slightly diminished due to the shine but you can clearly see they are still there in the shadows. While this example is on my hand, I had the same results under my eyes and on my forehead. I let the product soak in for 5 minutes in these photos. On the upside it worked temporary wonders on my KP!
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Reviewed in the United States on May 19, 2026
★★★★★ 5
From dry to soft in days.
Style: 3.38 Fl Oz (Non SPF)
I bought this moisturizer at a time when my skin truly needed help, with mature and sensitive skin, and I was dealing with intense dryness. My skin felt tight, dull, and uncomfortable, even after trying several products that didn’t provide lasting hydration.
I decided to try this cream and within the first few days, I noticed a real difference. It’s lightweight, absorbs quickly, doesn’t feel greasy, and most importantly, it doesn’t irritate my skin—instead, it soothes it. With continued use, my skin became softer, more supple, and visibly healthier, without that constant tight feeling.
I love that it’s fragrance-free, oil-free, and non-comedogenic, as it hasn’t caused any breakouts. It also contains ceramides and niacinamide, and the added SPF makes my routine much easier. After trying many products, I can honestly say this is the only one that truly worked for me. It’s now a daily essential.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
The best
Style: 3.38 Fl Oz (Non SPF)
I’ve been using the La Roche-Posay Toleriane Double Repair Face Moisturizer for a few weeks now, and it’s honestly one of the best daily moisturizers I’ve tried—especially for sensitive skin.
First thing I noticed is how lightweight it feels. It absorbs quickly and doesn’t leave that greasy or heavy film that a lot of “hydrating” lotions do. My skin feels instantly softer, but not suffocated. It layers really well under makeup too—no pilling or weird texture.
What really stands out is how balanced my skin has been since using it. I tend to get dry patches but also occasional breakouts, and this somehow helps with both. It hydrates without clogging pores, and I’ve noticed less redness overall. The fact that it contains ceramides and niacinamide is a huge plus if you’re trying to repair your skin barrier.
It’s also fragrance-free, which I personally look for because anything scented tends to irritate my skin.
The only small downside is the price point compared to drugstore moisturizers, but honestly, a little goes a long way and the quality makes it worth it.
Overall, I’d definitely recommend this if you have sensitive, combination, or dry skin and want something simple but effective. It’s become a staple in my routine.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Great daily lotion
Style: 3.38 Fl Oz (Non SPF)
Great daily lotion. I love that it is light and fragrance free. It is perfect for day use. I have dry skin and sometimes it is not enough to use by itself. I mostly use it during the day as a base for sunscreen but it feels really good on the face and does not leave my face feeling greasy. The ingredients are really good and the value for money is great. I love LRP products and this is so easy to use.
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Reviewed in the United States on April 17, 2026
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