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Description
CAD Audio A77BK Supercardioid Large Diaphragm Dynamic Side Address MicrophoneIn celebration of the 65th anniversary of the original Astatic A77 created in 1957, CAD Audio has released a special Midnight Black edition of the timeless original. The new A77Bk features the famous styling of the original A77 (Patent #185,712) with modernized circuitry for enhanced performance. Specifications Pattern: Supercardiod Principle: Dynamic moving coil motor Frequency Response: 30Hz 15kHz Sensitivity : 48dBV(3. 56mV) @ 1Pa Impedance :
In celebration of the 65th anniversary of the original Astatic A77 created in 1957, CAD Audio has released a special Midnight Black edition of the timeless original. The new A77Bk features the famous styling of the original A77 (Patent #185,712) with modernized circuitry for enhanced performance.
Specifications
- Pattern: Supercardiod
- Principle: Dynamic moving coil motor
- Frequency Response: 30Hz – 15kHz
- Sensitivity : -48dBV(3.56mV) @ 1Pa
- Impedance : 500ohms
- Max SPL >150dB
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 3
Leaks
Color: Blue+red
Water leaks out of the button you press to change out the head so we will be sending back. Other than that it would be perfect, I’m sure it’s just a fluke thing.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
The most powerful water flosser I've found. 100% happy!
Color: Rose Gold
I prefer a water flosser which has the ability to shoot the water between my, very tightly spaced, teeth more powerfully than other water flossers I'd tried. Online searches seem to often say that the Waterpik Aquarius Water Flosser is the best and most powerful water flosser, so over time, I actually purchased that product TWICE, although I was not particularly impressed with its power when I first purchased it. At the time, I could not identify any similar product that appeared to perform any better.
Well, recently a friend recommended this Burst water flosser to me so I decided to give it a try. I am SO happy to report that it IS more powerful than the Waterpic water flosser, and using it's high setting, it has helped me flush significantly more debris from within my teeth and gums than I was able to get with the Waterpic product. On top of that, I love that it is cordless and that it takes up much less space on my pedestal sink. Admittedly, since its water reservoir is smaller, I do have to fill it twice in order to very thoroughly clean all of my teeth and gums each time, but that is a non-issue for me. I'm extremely satisfied with this product!
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Reviewed in the United States on February 7, 2025
★★★★★ 5
Childhood memories 😊
Color: Black, Color: Black
I came across this device from my orthodontist. I really don't enjoy flossing, for whatever reason I've always felt like I'm going to pull out a tooth when going slightly around my teeths gumline. But this little nifty device called burst helps with that. I've always enjoy the water flossing when I was a child visiting the orthodontist and now that I'm an adult, I still feel the same way. This whatever flossing device is amazing.
That being said, please read the instructions or at least watch and the video, that's a major plus for the visual learner's. The water floss is pretty powerful so be mindful. When I first used this device I dang near shot water in my eyeball. They definitely gave it the right name "Burst". I love the design of the packaging and the cute little travel bag it comes with. It's very easy to hold and the materials that this device is made out of does not feel cheap at all. It's very smooth to the touch and easy to hold. Though the the device is big,I must say it isn't heavy to hold when water flossing. I did however have a little bit of a hard time opening the area where the water goes. It's definitely a snug fit but once you pull at it enough eventually it'll open.
The overall design is outstanding. They come in various colors as well. I'm definitely glad my dentist brought this to my attention after me sharing my fear of regular flossing. I definitely prefer water flossing over dental flossing however I still incorporate dental flossing for two reasons. One being dental hygiene and second being to overcome my fear. So if you share that fear with me as well this burst device is definitely a safer alternative. But do keep in my to dental floss as well for hygiene and to conquer your fears. I hope this helps Amazon folks! Happy water flossing!
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Reviewed in the United States on January 22, 2023
★★★★★ 4
BURST OR BUST?
Color: Rose Gold
This is my second purchase of the Burst water flosser. The first stopped working after one year. Im just hoping this one lasts longer!!! In the interim I did buy a Waterpik based on the brand being around for so long. Side by side comparison, the Burst has more burst than the Waterpik. Im going to keep this one even though the price has doubled since my original purchase. Rated 4/5 because the first purchase only lasted one year and because of the increase in price.
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Reviewed in the United States on March 30, 2026
★★★★★ 1
Received Burst Water Flosser, that never worked. Found out too late.
Color: Rose Gold
Ordered this item on recommendation of my dental hygenist, then needed a tooth pulled and was starting the dental implant process so was told I couldn't use it for awhile. The process took another 1 & 1/2 years. After the final crown I was told to use a waterpik. I went to use this, was unable to charge it, may have been missing a part, tried a matching plug. It wouldn't charge or turn on. Too late to return, so I'm out a good chunk of money in exchange for junk, something that never worked. I wonder if someone had returned a defective one as it had a dark finger smudge where it turns on, which I couldn't wash off. The tips were in a new package. Very disappointed.
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Reviewed in the United States on May 16, 2026
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