EV's Recommended & Top Rated DTV Indoor UHF/VHF Set Top Antenna Review Round-Up Guide - Page 16 - AVS Forum
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post #451 of 3319 Old 07-08-2008, 12:09 PM - Thread Starter
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Why does EV not recommend the Terk TV-5?


It seems to perform about on par(not quite) with the basic RE&Loops and it is well made and looks cool.

But its adjustable in Azimuth only and its very large. You need 16" from center to clear the wall to spin this thing around on its axis. You could possibly hang this thing from the ceiling, but ultimately, I think that better performance and ergonomics are readily available and for less money.

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post #452 of 3319 Old 07-08-2008, 01:32 PM - Thread Starter
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Samsung Axession TV HD-1000 came in today. Early impressions....it performs similar to the Philips MANT940 and GE Futura Outdoor, but I would put it below those 2 for ergonomics and usability reasons, which Ill get into later.

The GE Futura Outdoor has a great little mount, excepting that its a bit under engineered, lightweight.

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post #453 of 3319 Old 07-08-2008, 02:02 PM
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Quote:
Originally Posted by EscapeVelocity View Post

Why does EV not recommend the Terk TV5?....

The Terk low-profile antenna design is not particularly new - it was introduced in the early 1990s. Earlier this year, I acquired a used Terk similar to the Terk TV4. The antenna worked reasonably well for analog reception but was unimpressive for ATSC digital reception. I simply couldn't obtain the kind of stable signal strength and multipath resistance needed to get adequate ATSC performance.

Aesthetically, I liked the design. When I donated it at a Salvation Army store, it got some affectionate staring for good looks. YMMV.
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post #454 of 3319 Old 07-08-2008, 02:21 PM
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Quote:
Originally Posted by EscapeVelocity View Post

On Deck - The Batter's Circle
GE Optima Amplified & Non Amplified Rabbit Ears & Loop

In April, I tested the non-amplified GE Optima 24713 for about a week, then brought it back to the store. I only evaluated the unit for ATSC DTV using a couple of Zenith DTT900 CECBs.

GE/Jasco's Optima antenna design was brought on the market several years ago. Jasco's description is that the Optima's "passive microwave circuitry reduces color fading and constant tuning", and includes a "2-way signal" feature.

The GE Optima is aesthetically attractive, including a reasonably sturdy base, an attractive solid UHF element piece, and two black aluminum rabbit ears (I don't recall their extended length). A six-foot standard thin-grade cable is hard-wired into the base, terminating with a decent-quality 75-ohm connector. It's possible that if the Optima featured a user-replaceable cable connector, I would have kept it - the attached cable seemed to be less impressive than the rest of the unit.

I evaluated the unit at my difficult condo location and at a close friend's apartment closer in to the transmitters. At the time, my overall impressions were inconclusive. I do recall at my friend's apartment, it seemed to maintain a stable signal level on stations with direct line-of-sight.

I actually wasn't too eager to return the Optima back to the store because it looked good, but it fell a bit short of my goals for dependable ATSC reception. The fit and finish were very good, the Optima felt like it was built to last. The UHF unit had some range of rotation and azimuth adjustment.

There is one very positive, sensibly-written user review of the GE 24713 Optima Antenna at "Big River".

This writer looks forward to EV's evaluation and analysis of the GE Optima, particularly the amplified version.
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post #455 of 3319 Old 07-08-2008, 02:38 PM
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C. Crane Company sells a Cornet Indoor TV Antenna which it describes as follows:
Quote:
The Cornet UHF/VHF Indoor TV Antenna outperformed every indoor TV antenna we’ve ever tested – by a huge margin!

Is anyone familiar with this unit?
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post #456 of 3319 Old 07-08-2008, 02:40 PM - Thread Starter
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Hey seatac, keep the review comments coming, great stuff.

I dont have a spectrum analyzer, so I wont be able to assess multi-path issues, only relative signal strength.

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post #457 of 3319 Old 07-08-2008, 02:41 PM - Thread Starter
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I just ordered one last night.

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post #458 of 3319 Old 07-08-2008, 02:44 PM
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Boutique catalog merchant Hammacher Schlemmer states it sells The Best Indoor Television Antenna. They describe their $39.95 unit in quite glowing terms. This unit appears to be identical with Jasco's GE Infinity Amplified TV Antenna, model number 24737.

This writer has learned to be cautious and wary about advertising which claims miracles for TV reception performance. Has anyone here tried out this unit, and had user experiences to share?
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post #459 of 3319 Old 07-08-2008, 02:45 PM - Thread Starter
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I have a sneaking suspicion that the GE Contempo and the Samsung Axession TV HD1000 are the exact same antenna.

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post #460 of 3319 Old 07-08-2008, 03:03 PM
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Cornet F-645A Ampified Indoor TV Antenna at Overstock.com

This may be the same unit being sold by C.Crane, I haven't seen the Cornet antenna at other retailers.
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post #461 of 3319 Old 07-08-2008, 03:12 PM - Thread Starter
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It is, but I decided to support C Crane company. They seem a good sort. Although I have dealt with Overstock.com before and they were effecient and pleasant when I needed to return something.

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post #462 of 3319 Old 07-08-2008, 04:50 PM - Thread Starter
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Proof that I havent been making all of this up.



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post #463 of 3319 Old 07-08-2008, 06:45 PM - Thread Starter
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GE Infinity "Hammacher Schlemmer" special on the way.

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post #464 of 3319 Old 07-08-2008, 08:44 PM - Thread Starter
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RCA to release new Bow Ties at the bottom of its lineup!



Quote:
AudioVox Launches Flat TV Antennas

By Greg Tarr -- TWICE, 6/27/2008 2:06:00 PM

New York — AudioVox has begun the rollout of its RCA-branded indoor TV antennas, targeting new DTV purchasers and set-top converter box users making the transition from analog to digital reception.


Under the RCA line, the company is planning a total of seven indoor antenna models this year, ranging in price from $14.99 to $99.99. Five of the planned models feature a new omni-directional square flat design, which makes the antenna easier to place out of sight, and blend better with the look of today’s flat panel TVs.

“One of the things we at AudioVox set out to accomplish was redefine what antennas look like,” said Hank Caskey, AudioVox, reception VP. “One of the things we hear at the consumer level was that people don’t like the way antennas look.”


The first model to hit the streets is a midrange RCA ANT1500 flat indoor antenna ($59.99 suggested retail). The antenna, which measures 10.5-inches square, is designed to minimize the “cliff effect” of digital TV reception with a multi-direction capability. The unusual design enables placement flat on a tabletop or wall mounting, AudioVox said.


AudioVox has tuned its flat antennas at the end of the coaxial cable, making the cable part of the antenna itself.


The line is also comprised of several models that come with additional external amplifiers that connect to the end of the coaxial cable for areas where signals are more difficult to tune. By separating the amplifier from the antenna, instead of building it in, AudioVox reduces the potential of over saturating the signal, which can add to noise and block reception. This way users can take the antenna’s home to determine if they really need the additional amplification before attaching it.


Those flat antennas with amplification (ANT1450, ANT1550 and ANT2000) are also said to offer an extremely low-noise co-efficient to reduce interference with signal reception.


In developing the antenna’s the company uses a “duo-plane” design” incorporating both VH and UHF reception.


In addition to flat antennas, the RCA brand will feature a pair of entry directional bow-tie style models. Due later in the year is another flat-design model (ANT2000) with SmartAntenna ability, designed to connect to converter boxes with special SmartAntenna inputs. SmartAntenna’s automatically sense the direction of a signal and automatically adjust the antenna for optimal reception.


In addition to the RCA line, Audiovox is also working to expand indoor and outdoor antenna’s under its Terk line for later in the year. With its combined brands Audiovox’s marketshare for indoor antennas “is somewhere north of 50 percent,” the company said.


Audiovox said that as the DTV transition progresses, consumers are purchasing nearly 20,000 over-the-air TV antennas everyday, and most of those are for indoor use. The industry currently moves consistently between 8 and 10 million units a year, and Audiovox believes “the numbers will go a little bit north” this year.

......This Week In Consumer Electronics


http://www.twice.com/article/CA6574033.html


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post #465 of 3319 Old 07-08-2008, 08:47 PM
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Quote:
Originally Posted by EscapeVelocity View Post

Proof that I havent been making all of this up.



I can think of worse obsessions/addictions! LOL!!!
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post #466 of 3319 Old 07-08-2008, 08:53 PM - Thread Starter
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hey golinux, what did you think of the RS DA-5200s mount?

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post #467 of 3319 Old 07-08-2008, 08:57 PM - Thread Starter
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Great stuff here....


Quote:


DTV antennas don't need to cost a lot of money

http://www.walb.com/Global/story.asp...=menu37_11_4_1

Good DTV antennas don't need to cost a lot of money. They all performed OK in UHF, but generally performed more poorly in VHF. However, most of the antenna's high (Ch 7 to 12) VHF performance was far better than low (Channels 2 to 6) performance.

The Philips MANT940 18 bb active (has an amplifier) and RCA ANT 585 antenna seemed to be the big winners with at 18 to 21 db gain with fairly flat performance even in the VHF range.

The cost on the Internet is under $25 to $35. Philips or the RCA . Neither look physically that bad and the Philips can be mounted indoors or out of doors.
Consumer Indoor Antenna Test Results Reported at the
NAB Broadcast Engineering Conference

On Monday, April 14, during the "DTV Reception Issues" session which was part of the NAB Broadcast Engineering Conference (BEC), Dennis Wallace of Meintel, Sgrignoli, & Wallace gave a presentation describing the testing that they performed on consumer indoor antennas. One objective of the testing was to develop indoor "planning factors" based on the measured capabilities of the products currently in the marketplace. The facilities at Electronics Research, Inc. (ERI) were used for the tests.

As background, the presentation noted that indoor antennas will be important for consumers in the DTV transition. The tests were to determine the types and numbers of indoor antennas and to assess their performance specifications versus measured performance and then based on this data, suggest the antenna assumptions that might be used for indoor reception/propagation models.

Their research (in 2007) indicated over 107 available models:
8 VHF Only Models
10 UHF Only Models
89 VHF/UHF Models
64 Antennas with no electronic components (passive)
43 Antennas had pre-amplifiers (active)
No "Smart" Antennas were found (it was reported that some are in development to use the CEA 909 interface).

The investigation revealed that there was very little published performance data on the antennas; rather they found lots of marketing hyperbole about "Digital" or "HDTV" Antennas; "Low Noise", "High Gain" and such. Further, there was little measured data available. The presentation showed each antenna with the available published data.

Measurement of a selected sub-set of these antennas was undertaken using ERI's Anechoic Chamber. Ten antennas were selected, a mix of five active antennas and five passive antennas. The measurements made included:
Gain of Antenna Relative to Dipole
Azimuth Pattern
Elevation Pattern
Polarization Isolation
Output Return Loss
Active Antenna Gain/Loss
Active Antenna Noise Figure

The presentation included the measured patterns for each antenna (not shown here) and summary tabular data, some of which is shown below.

The measured passive antenna gains (dBd) for selected channels are shown in the following table.

See graph on link.

The measured active antenna gains (dBd) for selected channels are shown in the following table.

See graph on link.


Each of the five active indoor antennas was evaluated for preamplifier performance. Selected results are shown in the following table.

See graph on link.


Mr. Wallace offered the following conclusions:

Some antennas have very well behaved directional UHF patterns as exemplified by the Silver Sensor, SS1000, SS2000, DB2, and SS3000/HDTVIp. They typically had good Front/Back ratio (>10dB) and polarization Isolation 6-10dB. The Sharpshooter behaved well at Hi-VHF frequencies as well.

Hi-VHF Performance for the UHF Only Antennas was generally poor and variable. For example, the Silver Sensor Hi-VHF reception was 90 degrees from "front" of antenna. Other antennas were "Quasi-Omni-directional" (ANT115, ANT585, MANT940, TV25, 303F) with broad patterns for azimuth and poorer polarization isolation. Some of these had greater gain in vertical orientation.

Active antennas generally had better return loss and would provide impedance mismatch isolation to the receiver.

Generalizing from the results these antennas suggest are appropriate, the following preliminary planning factors were among those suggested.

See graph on link.




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post #468 of 3319 Old 07-08-2008, 09:43 PM
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The article EV referenced on "Consumer Indoor Antenna Test Results" derives from a presentation by Dennis Wallace of Meintel, Sgrignoli, & Wallace. He was one of three speakers at the 2008 NAB Broadcast Engineering Conference who gave presentations on DTV Reception Issues. The WALB news story is very thorough, though one wishes they could have obtained permission to link to the measured patterns for each antenna, as presented at the conference.

A blogger, Stu Lipoff, attended the sessions and offered some comments. This was discussed in the HDTV Technical forum in late April. It would be very helpful if more details were available about the test results as to Front/Back ratio and polarization isolation for the specific antennas.
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post #469 of 3319 Old 07-08-2008, 09:57 PM
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WALB's article "DTV Antennas Don't Need to Cost a Lot of Money" cited lab measurements presented at the NAB Broadcast Engineering Conference which indicate the RCA ANT585 is a better-than-average performer as an indoor aerial. In terms of active antenna gains and low preamplifier noise, the ANT585 tested out well. However, more details regarding Polarization Isolation, Output Return Loss, and Azimuth Pattern were omitted from the tables in the article.

Anyone care to offer their experiences or knowledge regarding the ANT585? Also, the NAB presentation by Dennis Wallace reported very good measured performance for the "Terk TV-25", is this essentially the same as the current-model Terk TV5 or a different animal?
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post #470 of 3319 Old 07-08-2008, 10:05 PM - Thread Starter
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Ive got Mr. Dennis Wallace's contact information, and Im going to see what I can do about getting a hold of that data.

Great blogger style hot linked comments there seatac.

I was surprised at the low noise figures on the integrated amps.

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post #471 of 3319 Old 07-09-2008, 10:29 AM - Thread Starter
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I just figured out that I dont have a DB2 but rather an Eagle Aspen! What a hoot!



Eagle Aspen Dtv2Buhf


or do I?

Seems the DB2 has been updated, with a water resistant balun box which is purported to be less lossy.

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post #472 of 3319 Old 07-09-2008, 11:33 AM
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From Audiovox Accessories Corporation (d/b/a "RCA"): Stay Tuned 2 TV
Good information about Audiovox's innovative RCA-branded flat DTV antennas including the ANT1500 and the soon-to-be-available ANT2000 SmartAntenna. See the RCA Digital Antenna brochure. There is some marketing hype, but I remain enthusiastic about the potential of these new Audiovox/RCA products.

Here's also an article from trade industry journal Dealerscope: "RCA's Antenna Line: Not Your Father's Rabbit Ears"

Here's also a glimpse at the heritage/reputation value associated with the RCA brand which Audiovox has licensed from the General Electric Company (owner of the former Radio Corporation of America):
1947-vintage Retail Store Display Screen for RCA Victor Television
Early RCA TV Antennas
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post #473 of 3319 Old 07-09-2008, 11:36 AM - Thread Starter
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Thats great stuff Seatac! From your link....


Vizio VP322 Plasma / Vizio GV42LF LCD / Denon 2200 Silicon Image DVD / Panasonic S97 Faroudja Genesis DVD / Oppo 970HD Mediatek DVD / Oppo 983H Anchor Bay DVD / Panasonic LX-600 Laserdisc / Aiwa MX100 Multi-region VCR / JVC S7600 S-VHS / PS2 / Sega Genesis / Nintendo SNES / Roku 2 XS & HD-XR / Realistic STA-90 Reciever / Realistic Minimus 7 / Antennacraft G1483 Hoverman / Belden 7915A RG6 / Channel Master 7777 Titan 2 UHF/VHF / Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
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post #474 of 3319 Old 07-09-2008, 11:43 AM - Thread Starter
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I wonder if the RCA1500 I injected with power actually did include an amplifier in the unit, because it seemed to do better that first night of testing, than when I placed it on the window ledge again but without power injected. But I attributed the difference to atmospherics. I shall investigate further.

Vizio VP322 Plasma / Vizio GV42LF LCD / Denon 2200 Silicon Image DVD / Panasonic S97 Faroudja Genesis DVD / Oppo 970HD Mediatek DVD / Oppo 983H Anchor Bay DVD / Panasonic LX-600 Laserdisc / Aiwa MX100 Multi-region VCR / JVC S7600 S-VHS / PS2 / Sega Genesis / Nintendo SNES / Roku 2 XS & HD-XR / Realistic STA-90 Reciever / Realistic Minimus 7 / Antennacraft G1483 Hoverman / Belden 7915A RG6 / Channel Master 7777 Titan 2 UHF/VHF / Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
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post #475 of 3319 Old 07-09-2008, 11:47 AM
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Proof that I havent been making all of this up.



We have a winner for this month's OCD award. Thanks for all your work on this thread, lots of great information.

The measure of a man's character is what he would do if he knew he never would be found out.
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post #476 of 3319 Old 07-09-2008, 12:27 PM - Thread Starter
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This is my great contribution to the betterment of humanity. Perhaps it will help spur better antenna offerings in the future as well.


I cant take all the credit though. Other posters have provided great insights and have spurred me on as well. Im thinking of crediting them on the front page introduction, they deserve it. Especially seatac.

Vizio VP322 Plasma / Vizio GV42LF LCD / Denon 2200 Silicon Image DVD / Panasonic S97 Faroudja Genesis DVD / Oppo 970HD Mediatek DVD / Oppo 983H Anchor Bay DVD / Panasonic LX-600 Laserdisc / Aiwa MX100 Multi-region VCR / JVC S7600 S-VHS / PS2 / Sega Genesis / Nintendo SNES / Roku 2 XS & HD-XR / Realistic STA-90 Reciever / Realistic Minimus 7 / Antennacraft G1483 Hoverman / Belden 7915A RG6 / Channel Master 7777 Titan 2 UHF/VHF / Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
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post #477 of 3319 Old 07-09-2008, 01:11 PM
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This is my great contribution to the betterment of humanity. Perhaps it will help spur better antenna offerings in the future as well.

Myself and all Humanity Thanks You !!
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post #478 of 3319 Old 07-09-2008, 01:28 PM - Thread Starter
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EV's Magnum Opus!

[takes a bow]

Vizio VP322 Plasma / Vizio GV42LF LCD / Denon 2200 Silicon Image DVD / Panasonic S97 Faroudja Genesis DVD / Oppo 970HD Mediatek DVD / Oppo 983H Anchor Bay DVD / Panasonic LX-600 Laserdisc / Aiwa MX100 Multi-region VCR / JVC S7600 S-VHS / PS2 / Sega Genesis / Nintendo SNES / Roku 2 XS & HD-XR / Realistic STA-90 Reciever / Realistic Minimus 7 / Antennacraft G1483 Hoverman / Belden 7915A RG6 / Channel Master 7777 Titan 2 UHF/VHF / Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
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post #479 of 3319 Old 07-09-2008, 02:16 PM
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hey golinux, what did you think of the RS DA-5200s mount?

I didn't spend much time investigating. I hand-held it to try various locations and then tied it to my pole with an old shoelace in the sweet spot.
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post #480 of 3319 Old 07-09-2008, 02:20 PM
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I just figured out that I dont have a DB2 but rather an Eagle Aspen! What a hoot!



Eagle Aspen Dtv2Buhf


or do I?

Seems the DB2 has been updated, with a water resistant balun box which is purported to be less lossy.

That looks exactly like my DB2. A friend ordered a DB2 more than a year after I got mine and the balun was indeed a plastic box. Mine is the older style pictured above. Doesn't make a difference to me since I use it indoors.
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