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Beston RT002A Ribbon Tweeter

Brand:| Model: RT002A
Overview
Beston's RT002A features a laminated aluminum diaphragm, driven by a compact and lightweight neodymium magnet.
Highlights
  • Patented ribbon design exhibits superb articulation and effortless dynamics
  • 2,000 Hz – 40,000 Hz frequency response
  • Horn loaded for 92 dB sensitivity
  • Linear impedance simplifies filter design and amplifier requirements
  • Neodymium magnet structure for high flux and low weight
  • Ultra-thin laminated aluminum diaphragm
Part # 
277-112
Weight: 0.6 lbs.  
IN STOCK
List Price$59.99
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Part # 277-112
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Product Details

Beston RT002A Ribbon Tweeter

A Beston RT002A tweeter's driven radiating surface mass is usefully low, and contributes to the transducer's superb range, efficiency, tonal neutrality, and transient response. The motor, diaphragm, and carefully controlled horn loading are skillfully integrated to create a perfect balance of sensitivity and wide, even dispersion. Great for MTM designs.

A ribbon tweeter's radiating surface approaches the theoretical ideal of a zero-mass audio source. The articulation, attack, and sonic transparency are quite impressive, and the diaphragm's monolithic shape and orientation provide a broad horizontal and tightly controlled dispersion characteristic, which is ideal for many listening environments. Beston's carefully sculpted waveguide faceplate further improves the tweeter's linear emission of smooth, extended high frequencies.

Achieve studio monitor-like audio precision with your next high-efficiency speaker project! A third order (18 dB/octave) or higher crossover is recommended to achieve maximum power handling. Minimum recommended crossover frequency: 2,500 Hz



Product Specifications
  • Tweeter TypeRibbon
  • Impedance6 ohms
  • Power Handling (RMS)40 Watts
  • Frequency Response2,000 to 40,000 Hz
  • Sensitivity92 dB 1W/1m
Thiele-Small Parameters
  • DC Resistance (Re)5.80 ohms
Mounting Information
  • Overall Outside Diameter4 x 4"
  • Cutout Diameter3.7 x 3.7 "
  • Depth1.32"
Beston RT002A Ribbon Tweeter
  • BrandBeston
  • ModelRT002A
  • Part Number277-112
  • UPC844632069819
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (23 Reviews)
  • Weight0.6 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Beston RT002A Ribbon Tweeter
Beston RT002A Ribbon Tweeter is rated 4.6087 out of 5 by 23.
Rated 4 out of 5 by from EXCELLENT if you can adjust for the bump at 15 KHzI'm using these in a speaker project with an 8-inch woofer with 91db efficiency. Unfortunately it sounded little too bright even for my taste. I'm running foobar with foo_dsp_xover and I was able to tinker around quite a bit with crossover setting and attenuation for this tweeter. I suddenly remembered the response graph and the bump of around 5db around 15KHz. Using software equalizer (foo_dsp_xgeq), I was able to adjust for that bump and I have to tell you that it sounds EXCELLENT NOW!I have another ribbon tweeter, Dayton Audio PT2C-8 too running on another speaker. Both sound great - a lot better, in my opinion, than many other dome tweeters. Here's a quick summary* PT2C-8 is a lot larger and has higher 94 db sensitivity.* Beston's is almost half the size and the stated sensitivity is 92 db (not considering the bump in 15KHz region) which makes it more suitable to pair with many other mid-range speakers.
Date published: 2014-12-05
Rated 5 out of 5 by from Crystal clear and extended response.My first experience with a ribbon tweeter, but compared to other types that I've used the Beston is very clear and nicely extended. I tried this model because of the power handling and frequency response, the impedance matched the speakers I wanted to use them in and the sensitivity was within 3 db. I ended up using an attenuation circuit to pad them down by 3 db and now they match up nicely. The sound is excellent.
Date published: 2014-10-12
Rated 5 out of 5 by from Beston RT002A Ribbon Tweeteri paired this RT002-A beston ribbon with the woofer using the Dayton Audio XO2W-2.5K 2-Way speaker crossover to convert the B-652's into my studio monitors.  i would have to say this speaker sounds  spectacular!  the only thing is its power handling and efficiency are not as high as i'd like.  obviously a combination of the components.  but at the same time, this speaker sounds better than ANY other speaker of i've owned.  these speakers flank my tv screen and i SWEAR when i'm right in front of my tv, the sound appears to be coming from straight out of my tv.  it's an effect that i have never experienced before.also, whereas the original components in the B-652 sounded flat / dull, this model has full, airy sound.  the beston tweeter sounds sweet!   this is my first time using a ribbon tweeter and i don't think i will ever use regular tweeters again.  the RT002 completely fills my room, and i can hear things in music that i previously did not hear.this is an EXCELLENT ribbon tweeter for the price, plus it has good power handling.   anyone looking for a real good ribbon tweeter that's not expensive, i would highly recommend this unit.
Date published: 2013-12-11
Rated 5 out of 5 by from Great replacement for the Martin Lofan thin film Tweeter Center Speaker.It won't fit in the hole where the thin film tweeter was so I just set it in the hole and used longer screws. The Beston ribbon tweeter is sealed in the back so it didn't matter. I was able to put the cover back on. The tweeter works like a charm. It handles greater power than the original tweeter. The sound was identical. I didn't need to add any resistor and it works like a charm. Great speaker. It doesn't crackle on high volumes and mates perfectly with the rest of the drivers in the speaker. Great value.
Date published: 2013-10-24
Rated 5 out of 5 by from Excellent performance at an affordable priceMy first time building with a ribbon tweeter, and am extremely pleased. Although I built each of my units around two Hi-Vi M8N woofers and an M5N midrange, the Hi-Vi branded ribbon tweeters were, at the time of order, too pricey for my budget. So, I compared specs on the Beston RT002A and concluded it would be a good fit with my chosen 3kHz crossover point. As it happens, the unit has excellent response and imaging while providing a nice aesthetic finish on the cover-less layout I had chosen.The magnet construction on the back is a little bit awkward and made the mounting hole a bit difficult to cut without overshooting the perimeter of the horn baffle, but with a little patience I was able to work out the dimensions and cut accordingly. I would gladly buy it again.
Date published: 2013-06-30
Rated 4 out of 5 by from Restored JBL 216s with theseI removed the woofer and tweeter from two old and heavy JBL 216s (ported) and put the Beston RT002A Ribbon Tweeters in along with the Dayton 7" aluminum cone woofers, DA175-8. The ribbons were 7dB more sensitive than the woofers and 6 Ohms instead of the woofers 8 so I put 5.2 Ohm resitors on them and used the existing 2nd order 4K crossover. They've been getting broken in for the past two hours and I must say I'm very pleased with both of these. It's my first experience with ribbon tweeters and I can see why folks like them. Very happy and will buy these again, when they go on sale. Matt Cero, Seattle, WA
Date published: 2013-03-04

Product Q&A

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Beston RT002A Ribbon Tweeter

If I crossed it at 5 KHz instead of the recommended 2.5 KHz, will it have any effect on its power handling capacity? In other words, I'd like to use it as a super tweeter in a 100W RMS system but possibly crossed at 10 or 12 KHz - will it work? Thanks.

Asked by: Rajeev
This tweeter will handle its full power capacity regardless whether it is crossed at 2.5kHz or 5kHz. Yes it will work crossed even higher as a super tweeter.
Answered by: MattP
Date published: 2014-10-13

Dear sir, Beston RT002A Ribbon Tweeter, I want to make super tweeter. Pls tell me to make crosover aplication for Beston RT002A Ribbon Tweeter running above 30 khz (capacitor ?uf, inductor ?uf...) Thank you so much, NGUYEN THACH ANH KIET HCMC,VIETNAM

Asked by: NGUYEN THACH ANH KIET
At that kind of frequency you will only need a cap, and the tweeter will most likely not make any kind of difference audibly to the system since most people cannot hear anything above about 17kHz. You will need a cap value of about 0.9 uF in order to cross this over at 30 kHz.
Answered by: MattP
Date published: 2014-10-10

I like the sound of ribbon hi freq drivers and I am interested in paring these with a 200w (rms)12" woofer and using it as a stage monitor.. How well would this driver handle live sound situations??

Asked by: Bfrcwc99
I would not recommend using this for an application like that. The sensitivity is not high enough and they can be very fragile.
Answered by: MattP
Date published: 2014-03-24

can any of your ribbon tweeters be use in a monitor for live music? any help will be app

Asked by: dpwest
Ribbons have been used in pro applications like this before so there is nothing wrong with it per se. As long as it is crossed over properly and used within its thermal limits you should be fine.
Answered by: MattP
Date published: 2014-03-17

Actual horizontal & vertical dispersion?

Does anyone know what the actual horizontal & vertical dispersion is on these? I know most ribbons are relatively wide horizontal and narrow vertical, but with the horn loading on these I would appreciate some more input.
Asked by: mfunderburk
Although these have a waveguide horn flare they still perfoem very much liek a planar ribbon tweeter. They do have more horozontal disspersion but the differance between the horozontal and vertical plane isnt that much noticable, they have a pretty good even converage pattern in both directions. They are not like a conventional horn that is very direcitonal at all. I think Bestron mainly did it for looks
Answered by: Emersive Audio Video
Date published: 2014-03-17

Off-axis response?

I'm contemplating using these in my car in the A-pillars. In order for them to fit, I'd have to aim them off-axis somewhat due to the 4"X4" horn. Does anyone know how well these perform off-axis & to what degree?
Asked by: k323
They have great off-axis response. I would say the sound quality is still great near 180 degrees off axis, and the stereo imaging is still pretty good.
Answered by: JRucks
Date published: 2012-09-07

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