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[Alan Stroud]

Hello all,
Long story, but I am being tasked for figuring out new transmitters for this receiver. I have 2 receivers that need mics. One has a body lapel, but the little speak piece is crazy crackly, so thought id either get a new mic piece for it, or just get a hand held. Anyway, could someone point me to the best possible handhelds I could pair with this EW-100 RX? I can attach pictures of the back of the units.

[Mac Kerr]

Hello all,
Long story, but I am being tasked for figuring out new transmitters for this receiver.

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[Russell Ault]

Long story, but I am being tasked for figuring out new transmitters for this receiver. I have 2 receivers that need mics. One has a body lapel, but the little speak piece is crazy crackly, so thought id either get a new mic piece for it, or just get a hand held. Anyway, could someone point me to the best possible handhelds I could pair with this EW-100 RX? I can attach pictures of the back of the units.

Despite their age, to the best of my knowledge all Sennheiser EM 100 RXs (regardless of generation) use the same modulation and companding schemes, so any Evolution Wireless (or, IIRC, Sennheiser 2000-series) TX that can tune to the same set of frequencies should work with those RXs.

The "top-of-the-line" handheld in the Evolution Wireless range would be the SKM 500 G4 (with whatever capsule/mute-button-option works best for your application), but I suppose technically the "best possible" handheld would be the SKM 2000; for most install-oriented applications (i.e. where an extra-wide tuning bandwidth isn't much of a selling-point) the SKM 100 G4 will probably serve you just as well (and is quite a bit cheaper).

-Russ

[Ike Zimbel]

Hello all,
Long story, but I am being tasked for figuring out new transmitters for this receiver. I have 2 receivers that need mics. One has a body lapel, but the little speak piece is crazy crackly, so thought id either get a new mic piece for it, or just get a hand held. Anyway, could someone point me to the best possible handhelds I could pair with this EW-100 RX? I can attach pictures of the back of the units.

In addition to what Russell said, I will just add that they are in what Sennheiser calls range "A", which was 518-558MHz when these G2 units were made but is now 516-558. Keep in mind, too, that those G2 receivers are quite old now so you might be better off just buying a couple of new G4 systems and retiring the G2's.

[Russell Ault]

In addition to what Russell said, I will just add that they are in what Sennheiser calls range "A", which was 518-558MHz when these G2 units were made but is now 516-558. Keep in mind, too, that those G2 receivers are quite old now so you might be better off just buying a couple of new G4 systems and retiring the G2's.

If you think a G2 RX is old enough to be considered for replacement (which, fair, although there might be better ways to spend the cash if they work and they aren't moving around and the lack of IR Sync isn't too annoying), I'm 99% sure the first of the OP's photos is actually of a "G1" RX...

(FWIW, I didn't mention "A band" in my reply only because I can think of a couple of compatible TXs that use other band designations: the SKM 300/500 G4 features a shockingly-wide tuning range—at least for the price—in its "Aw+" band, and the SKM 2000 uses the "AW" designation to describe exactly the same frequency range as the G3's "A" band.)

-Russ

[Mike Caldwell]

As mentioned the newer / new EW transmitters with work with those receivers provided they are in the same frequency range.

Body packs and handheld mics can take a beating while the receivers live a fairly safe life in a rack.

That said it sounds like your lapel mic cable is just bad. I would try another mic in that pack.
Fire up your system and with the system levels turned down low take the lapel mic and move the cable around starting at the plug and working your way to the mic, chances are you'll find a bad spot in the cable.

RF issues like interference, drop outs, ect. could also be an issue.

[Russell Ault]

{...}
That said it sounds like your lapel mic cable is just bad. I would try another mic in that pack.
Fire up your system and with the system levels turned down low take the lapel mic and move the cable around starting at the plug and working your way to the mic, chances are you'll find a bad spot in the cable.
{...}

$5 says that the fault is at the connector, especially if that connector is moulded on. Both the connector itself and the cable that it's attached to are typically able to stand up to quite a bit of abuse, but the wiring inside those moulded-on locking 3.5mm TRS connectors seems particularly susceptible to intermittent (and very noisy) failure; one "well, the pack didn't hit the floor because the cable stopped its fall" incident is enough to render them NFG. I typically recommend strain-reliefing a small loop of cable directly to the body of the connector (e-tape or spike tape does this well enough, but my personal preference is a Hellermann sleeve cut in half). If it is the connector, they can be replaced (or, if it's old enough to not be moulded on, simply re-soldered), but IMHO lavalier-style mics are basically a consumable, and replacement shouldn't be ruled out.

The other thing to check for on these mics is whether there's some corrosion on the TRS connector: if you find that the microphone works perfectly when the pack is sitting still on a table, but turning the connector even slightly in the pack causes noise, try a shot of contact cleaner on the TRS connector and see if the problem goes away.

-Russ

[Mike Caldwell]

$5 says that the fault is at the connector, especially if that connector is moulded on. Both the connector itself and the cable that it's attached to are typically able to stand up to quite a bit of abuse, but the wiring inside those moulded-on locking 3.5mm TRS connectors seems particularly susceptible to intermittent (and very noisy) failure; one "well, the pack didn't hit the floor because the cable stopped its fall" incident is enough to render them NFG. I typically recommend strain-reliefing a small loop of cable directly to the body of the connector (e-tape or spike tape does this well enough, but my personal preference is a Hellermann sleeve cut in half). If it is the connector, they can be replaced (or, if it's old enough to not be moulded on, simply re-soldered), but IMHO lavalier-style mics are basically a consumable, and replacement shouldn't be ruled out.

The other thing to check for on these mics is whether there's some corrosion on the TRS connector: if you find that the microphone works perfectly when the pack is sitting still on a table, but turning the connector even slightly in the pack causes noise, try a shot of contact cleaner on the TRS connector and see if the problem goes away.

-Russ

Also lets not forget the people who after they take their mic off wrap while drawing it is tight as they can the cable around the body pack.

[Russell Ault]

Also lets not forget the people who after they take their mic off wrap while drawing it is tight as they can around the body pack.

I tend to associate that practice most strongly with film and broadcast folks, where (I ASSume) the convenience, tidiness, and speed are worth far more than the measly ~$500 it will cost to replace the mic (especially since it's basically a consumable anyway).

-Russ

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