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    #11
    Moderator Alex H.'s Avatar
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    Quote Originally Posted by Paul F View Post
    Alex, are you saying you use the wireless mic receiver as an IEM? Do producers have any issue with not having a volume control knob? I'm looking to buy some IEMs and I was thinking why not just get more mic receivers, but was concerned about not having a volume control.
    On the ew512 systems, which are the ones I’ve been discussing in this thread, the receiver has a dedicated headphone output (separate from the AF output). The up/down arrow buttons function as headphone volume up/down when not in menu mode (this does not affect AF out in any way).

    On the ew112 systems, I have used them in a pinch but have patched the AF output through a Behringer P2 headphone amp. This is a bit of a kludge, but can work when there’s no better option.

    Quote Originally Posted by DNN View Post
    Alex, does the SMA mod really make that much of a difference? Other than having the ability to swap out whips and use a dipole antenna? Do you recommend doing both the transmitter and receivers?
    I just have my receivers modded right now on my ew512 systems. I’ll probably do the transmitters once I get through my next big project.

    It does make a big difference. The stock antenna is flimsy and starts to droop over time. It easily gets bent, crimped, and pinched in storage. All these things reduce signal efficiency. Adding a rigid SMA whip means a more durable and rigid antenna that will hold up for a very long time, the ability to quickly swap out if one does somehow get damaged, and the ability to remove the antenna for storage so there’s no stress when it’s in the box.

    The SMA mods have given me better range and stability on location as well.

    I do have my TX modded on my G3 ew112 kit, in addition to three RXs, since I use that as a camera hop system. For that system, I’ve put the articulated whips on the receivers so they can be mounted in just about any position on the camera and the antenna can be positioned to remain vertical.
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    #12
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    3rd party Chinese "G3 IEMs" are worth a look as well for the budget minded, is what I'm using:



    Am a Sound Recordist in New Zealand: http://ironfilm.co.nz/sound/
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    #13
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    It's definitely for the budget minded only; at least in my application. I bought the Leicozic receiver to try with a G3 transmitter. I don't recommend it. It works, but if you want to use it with a Sennheiser G3 like I do:

    - The maximum volume is just ok. I'd want a lot more headroom.
    - It has a very small subset of frequencies in common with the G3, making it vulnerable to not finding an open channel.
    - You have to do a tedious process of charting all of the Leicozic channels and mapping those to the G3 and then make up a table so you can cross reference channels as the Leicozic does not use the same channel numbering system as the G3.


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    #14
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    Listen Technologies has units that are Comtek compatible. I suspect they are former Comtek employees as I understand their companies are in the same city. I just bought some 216 mhz units on ebay for about $45 each. You can't get them with the external antenna (option 7) though, so reach is limited. But compatibility with Comtek and plenty of volume makes them a viable option.


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    #15
    Senior Member Rick R's Avatar
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    The Comtec and ListenTech noise reduction circuitry is different, so for instance using a Comtek Tx and an LT Rx has a sound quality trade off. Experiment with NR enabled/disabled for the best sound. Either way it is usable for most clients. A matched ListenTech Tx/Rx sounds very good with plenty of volume. Not as robust as the Comteks though. Clients have broken the LT LR-400 plastic HP jacks on two of Rx in the last two weeks alone, not to mention the belt clips break easily as well.


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    #16
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    Indeed, they are more toyish than I'd like. If I were in the Zaxcom/Lectrosonics world, I wouldn't be using these. But as I am in the lower budget world, I'm giving them a go. The Leicozic are much nicer in that regard, being housed in the Sennheiser G3 style case. I wish those things had more volume. I'd much prefer them otherwise. At the $50 range, they are a lot more disposable than other brands. But then, as you indicate, they may end up costing more if they keep breaking.
    Last edited by Paul F; 12-20-2019 at 09:07 AM.


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    #17
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    I am retracting my comment about the Leicozic lacking volume. It was operator error. I thought I had the sub out on the F8 set to line, but it was set to microphone level. Duh. It has plenty of volume. I'm starting to like these. Much better than the Listen units now, unless I doing something stupid with those as well.

    Rick - have you used the Listen LR-700 portable transmitter? It doesn't seem to have hardly any range at all. On the wideband channels, I only get about 30-40' away and I am getting fading. It's even worse on the narrowband channels. It seems useless.


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    #18
    Senior Member Rick R's Avatar
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    Quote Originally Posted by Paul F View Post
    Rick - have you used the Listen LR-700 portable transmitter? It doesn't seem to have hardly any range at all. On the wideband channels, I only get about 30-40' away and I am getting fading. It's even worse on the narrowband channels. It seems useless.
    Yes Paul, I have a LT 700-216 as well as a the LT 800 base station and 10 Rx. The base station Tx works better, but I get decent performance with the portable for most IFBs and/or camera hops. The portable Tx uses the input cable as the antenna, (similar to the VHF Lectros). So the cable should be a certain length or optimum performance. I recall 14 inches is for a 5/8 wave antenna for a 216 MHz system. Off hand, I do not recall the formula to calculate antenna lengths. I think it is on the Lectro site somewhere for 1/4, 5/8 and full wave calculations.
    btw, I also feed line level to the transmitters. In case you do not know already, the LT-700 input's 'Ring' terminal is for line level sources, whilst the 'Tip' is mic level (same configuration as the Sennheiser G series SK-100 Tx). The mute switch does not function in line level though.


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    #19
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    For testing I connected a Tram TR-50 to the LR-700. I wonder if the Tram wiring is incompatible with the antenna function? I have the ring and sleeve tied together per Sennheiser's recommendations. I'll try connecting the F8 sub-out @line-level to it, which is the way I plan to use it.


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    #20
    Senior Member Rick R's Avatar
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    I have never used an actual mic with the LT-700. You can try floating the tip connector for line level, it should still work. I do not know if if will affect performance.. and please let me know if it does. Try a 14 inch (35.5 cm) input cable.


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