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Five Mistakes to Avoid When Using Wireless

While wireless systems have freed performers from the bonds of cords and cables, they've unleashed a number of headaches for the sound crew. Getting a wireless system to behave predictably is a challenge faced by touring prof...


Reserved TV channels and registering wireless mics

Background After the 700 MHz auction in 2009, many unoccupied TV channels are shared between wireless microphones and white space devices (WSD's). A WSD can only transmit on TV channels that are unassigned to a TV station ...


Batteries and wireless microphones

Batteries and Wireless Microphones Benjamin Franklin first coined the term "battery" during his famous electrical experiments. Then around 1800, Alessandro Volta, a professor of natural philosophy at the University ...


Reglas Básicas para Configurar un Sistema de Monitoreo Personal

Click here for English   Gracias a recientes avances en el campo del Monitoreo Personal, esta tecnología ha logrado estar al alcance de más artistas que nunca. A pesar de los numerosos beneficios de uti...


Which television stations should I avoid when using a wireless microphone?

Many professional wireless microphones use the same frequencies as broadcast television stations. Direct conflict with a TV signal causes short range or dropouts. Though it is not possible for an wireless mic ...


Educational Articles - Online booklets and bulletins

Educational Articles Expand your knowledge and get the most out of your equipment. PDF ARTICLES Antenna Set-up for Wireless Systems These recommendations are useful guidelines to help achieve satisfactory pe...


How do I connect my in the ear monitors?

The in ear monitor transmitter takes its audio feed from the Mackie mixer, not directly from the wireless mics. We recommend the PSM600 system. To read more about connections, please see our Guide to PSM. Yes, a no...


Can I use more than one PSM receiver with just one transmitter?

Yes, you can use as many PSM receivers as you want to pick up the signal that a PSM transmitter is broadcasting. All the receivers will need to operate on the same frequency as the transmitter. All the receivers will pick up the ...


Cell Phone Frequencies / Wireless Communications Devices

The cellular industry offers a wide range of consumer devices to satisfy customer needs. The term cellphone implies a device capable of voice calls and some limited data, such as texting. More advanced devices, usually referred t...


Point to point wireless using a Shure PSM system

Point to Point Wireless Audio Systems   Introduction Often it is desirable (or even mandatory) to send an audio signal from one fixed location to another fixed location without wires. This is termed "point-t...


Shure PSM used for broadcast IFB

Interruptible Fold Back or "IFB" systems are used for audio monitoring and cueing in filmmaking, video production, live television, and live radio. The IFB feed consists of program audio sent to an earpiece/headphones w...


Notch Filter Allows for Best In-Ear Monitor Mix Ever!

Notch Filter Allows for Best In-Ear Monitor Mix Ever! Many microphones and most circuitry used in the reproduction of audio signals have a bandwidth of 20 kHz (20 Hz – 20 kHz) or more. Digital devices operating at a sampling ra...


FCC Reallocation of 698 to 806 MHz in the United States

The FCC conducted spectrum auctions in the 700 MHz band (actually 698-806 MHz). The auctions were conducted in two phases, dividing the spectrum into two groups, "upper" and "lower" 700 MHz bands. Additionally, a portion of the 7...


What is the function of tone key squelch and receiver squelch?

This is an excerpt from: "Selection and Operation of Wireless Microphone Systems". Receiver: Squelch One additional circuit that is important to proper receiver behavior is called "squelch" or mut...


What is Audio Reference Companding?

To understand Audio Reference Companding, it is best to explain the forerunner scheme: What is a fixed-ratio companding or a compander? Compander is a contraction of the words compressor and expander, which describe con...


What is Mix Mode?

If your Shure PSM system has a stereo transmitter (only the PSM200 was monaural), there are two inputs on the transmitter.  Let's call them Input A and Input B. Mix Mode is selected on your PSM receiver pack.&n...


Measuring current draw of battery powered transmitter or receiver

Here are step by step instructions: Determine the proper current consumption (draw) for your product. Look in the User Guide for this specification or contact Shure Applications Engineering. For this example, assume the d...


Why does the P10T have two antenna outputs and not a summed output?

The P10T is actually two individual transmitters contained within a single housing. So all the RF components are discreet and independent of one another. Providing a single mixed output, without adding any loss, would require the...


Mixing Board requirements for In Ear Monitors

1) Any mixing board that provides Aux level or Line level outputs will properly drive Shure PSM transmitters. 2) The custom ear molds are made to fit your ears and a specific in-ear driver, like the Shure model E1 or model E...


Drumming with In Ear Headphones - How to secure the cable

Have the earbud cables go up and over your outer ear.  The cable will drape downward along the back of ear.  Secure the cable to your neck, below your ear,  using clear, waterproof medical tape - ava...


Can in the ear monitors feedback?

While not impossible, it is extremely unlikely that a feedback loop would occur between a microphone and an in the ear monitor. We have never heard of it occurring. But, if feedback occurs between the microphone and the fron...


Using limiters with In Ear Monitors

What I need to know is, how many systems will I have to buy to accommodate a five piece band all with PSM's? * If everyone will be satisfied listening to the same stereo mix, you require one transmitter and five receivers...


4 mono mixes with 2 PSM transmitters?

You could certainly do this. The receivers would need be in MixMode with the balance control panned completely to one side or the other. For more information on setting up different PSM systems, please see:  Selection and Op...


Ear Monitor for Sax/keyboard player??

Having a buzz in your ears with earplugs is unusual. It's hard to predict if this would occur with a PSM in-ear monitor system. We do offer different styles of earpieces for our PSM systems, so if one doesn't work for you...


PSM 1000 Frequency Bands in the U.S.

G10: 470 to 542 MHz  (TV 14 - TV 25)   J8: 554 to 626 MHz  (TV 28 - TV 39)    Note: For J8, TV 37 is omitted (608 to 614 MHz)   L8: 626 to 698 MHz  (TV 40 - T...


Limiter use with a PSM system

The purpose of a limiter is "brick-wall" hearing protection, designed to prevent unexpected transients from damaging the user's hearing. It is not a pleasant sounding limiter, since it's only purpose is protecti...


UA864US as a PSM transmitting antenna

Yes, but only if: 1) UA864US gain switch is set to 0 dB. 2) Maximum RF input is 100 mW.  


The ABC’s of Configuring a Personal Monitor System

En Espanol   The ABC’s of Configuring a Personal Monitor System Recent advances in the field of personal monitoring have made it a technology that is within the reach of more performers than ever before. Th...


Rechargeable batteries and rack mount charger

www.ansmann.us This company offers NiMH (nickel metal hydride) rechargeable batteries and professional rack mount chargers. The batteries appear to be useful due to their current capacity. One model of AA cell has a current ...


Can I use a PSM system for IFB?

The example below uses the discontinued Shure PSM400, but the concepts apply to current Shure PSM systems. Using Personal Monitors for IFB Location sound recording for TV, film, or video production usually requires...


Using Mix Mode to get 4 PSM mixes

Yes, it is possible to do exactly what you suggest. Note, though, that the separation between the mixes that are on the same transmitter will only be about 35 dB. That is, there will be a small amount of bleed from one mix to the...


Using In-Ear Monitors - Effect of Bone Conduction

* Yes, it is normal. Your voice is brought to your ear by two paths: the in-ear monitors, and bone conduction. These two paths are not perfectly "in-sync" and thus the aural effect you experienced. *Try placing a m...


PSM system with a digital mixer, digital processor, digital snake. Will latency be a problem?

Latency and Personal Monitoring     What is latency?   The quality of sound experienced by users of personal monitor systems depends on many factors beyond just the beltpack and earphones that c...


PSM 200 Low Volume Level

1) What is the make/model of the mic being use? 2) What type of mic cable is being used?  What type of connectors are on the cable? ANSWER: The mic is a Shure SM58, cord is a livewire (brandnew) XLR conector. ...


Rack mounting PSM600

All of the rack hardware should have come with your PSM600 systems. Instructions and diagrams are in the User Guide. If you need additional rack hardware, it can be purchased from our Parts Department at 800-516-2525.


Rechargeable Batteries for PSM

A P6R receiver draws between 80 and 100 milliamps per hour depending on the volume level. A premium nine volt alkaline battery, like a Duracell, provides about 500 milliamp/hours. This means it will provide 100 milliamps for five...


Audience ambience mic for PSM

Many users of in-ear monitors add an "audience ambience" mic to the PSM mix. This is mic hung over the audience and its signal is added only to the mix that feeds the PSM. A typical mic for this application is the Shure SM63.


PSM600 and PSM700 Operating Frequencies

Frequency charts can be found at the following link: Frequency Charts


Source for custom ear molds in Europe

Information below is correct as of August 2011: http://www.acscustom.com/uk/ ACS Unit 22-23 Beaumont Close BANBURY OX16 1TG United Kingdom Tel : +44(0)1295 266665 Fax : +44(0)1295 259093 info@acscustom.c...


3dB RF attenutor/pad

Mini-Circuits sells the model HAT 3+. This is a 3 dB pad (attenuator), 50 ohms, 1 Watt power ratio, with BNC connections. Connect the PSM transmitting antenna to the HAT 3+ pad, then connect to the PSM transmitter.For the Sh...


P4R with P7T

Yes, the P4R receivers will work with the P7T transmitter if they are in the same frequency band. The MixMode concept you described will work as well.


PSM 400 X1 band best practices

The PSM 400 X1 band operates in the 944 - 952 MHz range.  This range is primarily used by STL (Studio-Transmitter Link) transmissions between a radio station studio and the radio station's transmitting antenna.  ...


Power / Thermal Dissipation of Shure Products

http://www.unitconversion.org/unit_converter/power-ex.html See the User Guide for each Shure product in question. It should list the wattage or amperage consumed during operation. Enter the wattage into the first line of ...


PSM900 - defective battery indicator?

The questions below will help to narrow the possible causes: What type make of AA cells are you using?  Duracell Pro Cell?  Or are you using the Shure SB-900 lithium ion rechargeable cell? ...


When to change earphone sleeves

It is quite simple. Being inherently frugal, I wash my sleeves on a regular basis, using warm water and a little Dawn dishwashing liquid. I rinse them thoroughly, pat them dry with a paper towel, and let them air dry overnight. ...


In Ear Sound Level Analyzer

There is such a device and it is sold by Sensaphonics: www.sensaphonics.com The Sensaphonic in-ear sound level analyzer (dB Check) is connected between the headphone amp output and the earphones. It displays the audio leve...


PA215 Cable Information

PA215 : This cable is designed for the vocalist who is completely wireless and uses a P2R for their monitor and a body pack transmitter that takes a TA4F jack as input. This allows a vocalist to control their own level in their m...


Helical antennas - matching or opposite polarization?

Matched - having the same polarization. Here is an analogy:  take two identical bolts.    Thread a nut on to bolt #1.   Now place the open ends of bolts together; the nut can be threaded of...


PA214 Cable Information

PA214: This cable is designed for the guitarist who is completely wireless and uses a P2R for their monitor and a body pack transmitter that takes a TA4F jack as input. Pins 3 and 4 of the TA4F jack are not connected just as in t...


Using other Receivers to Monitor PSM

A great question...with no answer. A scanner will not work because the PSM transmits a multiplexed stereo signal; a scanner cannot properly demodulate a stereo FM signal. You would hear audio but it would sound funny. A PSM 700 r...


PA213 Cable Information

PA213: This cable is designed for the guitarist who is completely wireless and uses a P2R for their monitor and a body pack transmitter that takes a 1/4" jack as input. This cable allows a guitarist to control their own leve...


Are my earbuds compatible with your PSM system?

All Shure in-the-ear monitors use 1/8" stereo headphone connections, so your custom ear pieces will work fine with any of our PSM systems. Basically, the PSM700 offers full frequency agility, where as the PSM600 only of...


Compatibility - PSM400 and PSM600

No. The PSM400 receivers can not be used to pickup signals from the PSM 600 transmitter. They use two entirely different frequency ranges.


AP200K cable information

AP200K: This is a cable assembly that allows a user to adjust the level of an ambient mic, such as the Shure WL93 (not supplied), that connects into the P2R 1/4" input jack. The AP200k consist of a TA4M connector, pream...


Left signal bleeding into right, and vice versa

Stereo separation with a wireless PSM system (PSM400, PSM600, PSM700) is 35 dB.  This applies to MixMode as well. The limitation exists because PSM uses multiplexed stereo to achieve the two channels.  This means that t...


PSM transmitter antenna orientation

The angle of the transmitting antenna should "match" the angle of the receiving antenna. If you don't know the angle of the receiving antenna, place the transmitting antenna up 45 degrees from horizontal; it is...


I need 4 separate monitor mixes. Can I do this with 1 transmitter?

No. At a minimum you will need two stereo transmitters. Each transmitter can send one stereo mix or two mono mixes.


Information on in-the-ear personal monitors?

Please download the "Selection and Operation of Personal Monitor Systems". This booklet will help educate you on personal monitors. Also read: The ABC’s of Configuring a Personal Monitor System


How many PSM700 receivers can be used at the same time?

The maximum number of PSM700 transmitters that can be used simultaneously is 16. (Unless there are particular TV transmitters in the immediate vicinity which would lower the maximum number of available frequencies.) Each tra...


PSM Input and Output Impedance

The impedance of the XLR input connector is 20k ohms. The impedance of the 1/4" loop-through female phone jack is 20k ohms. At 04/11/2001 10:21 AM we wrote - The receiver audio output is designed to drive earphones that...


Preventing hearing loss by using In The Ear Monitors

See page 6 (page 7 of the PDF) of the following booklet:  Selection and Operation of Personal Monitor Systems Also page 12 and pages 25-26 have useful information.


PSM sibilance

There is no reason that the wireless system would be more sibilant. Make certain the high frequency boost switch is in the same position on both systems. You may want to try a de-esser or equalization before the PSM transmitter t...


Mix mode impacts volume significantly

Stereo Mode, if operating properly, should not cause a significant drop in level. However, there is a psycho-acoustic effect. In Mix Mode, you hear the same signal in both ears, thus it will sound louder as the signal from bot...


I need more inputs than the P4M provides, can I use another mixer

Another mixer can be used. But multiple P4M mixers can be used to provide more inputs. Check the P4M Mixer user guide for different configurations.


Which in ear system to monitor drums?

Is it possible to run independent line outs from the sound modules directly into the Shure mixed in addition to the main board mixer? * Yes. Look at Shure P4M mixer to add this capability. Will the E1 ear phones be able...


Two PA705 antennas fed from one PSM transmitter?

This requires the use of a power divider: one BNC in / two BNC out 50 ohm device. An example is the PE2003 available from http://www.pasternack.com However, do not overlap the antenna transmitting areas! If a PSM receiver pi...


Which frequencies do the PSM systems use in the U.S.?

See the following link: Frequency Charts


Using a mono ear bud with the P2R receiver

In the P2R, the headphone jack is wired with the jack tip and jack ring connection in parallel.   There are no isolation resistors.   When the monaural earphone plug (tip and sleeve only) is connected, the jac...


Frequency response of wireless monitors

The wireless system, without earpieces, has a frequency response of 50-15,000 Hz. The frequency response of the earpieces is going to depend on the shape of the user's ear canal. Therefore, the frequency response of the earpi...


AP201K Cable Information

AP201K: This is a cable assemble designed to allow a user to sum together an ambient mic signal and a line level signal into their P2R Aux input jack. The cable consists of a male TRS 1/4" jack, preamp module, TA4M connector...


Multiple P4HW systems

Multiple P4HW systems can be "Y"'ed together. Hard-wire all 3 of your systems into the same output of the mixer. Using the channel insert as a direct out as you describe would be an excellent of giving everyone thei...


PSM - Operation and storage temperature

Cold weather should not affect the PSM electronics. However, subjecting any type of electronic equipment to extreme temperature changes in a brief period of time will cause expansion/contraction, and this can cause weak solder jo...


Loud hum with Marshall TSL100 amp using XLR out to PSM400 P4M

This sounds like a ground loop hum. Unsolder the shield connection on Pin 1 and the ground lug of the male XLR that is plugged into the P4M mixer input. Make certain to mark this cable as it will not be useful for use with a micr...


Daisy chaining P4M Mixers

There will some loss of the mic signal, typically less than 2 dB. This slight gain loss can easily be made up by the mixing console.


Attenuation a Loudspeaker level to Line level

http://www.asl-inter.com http://www.whirlwindusa.com


Single PSM400 transmitter with 4 receivers?

Yes, a single transmitter can be used with 4 receivers. The mixer is not required. For your application, you would need to order the components separately as follows: One - P4T Transmitter Four - P4R Receivers Four ...


PSM400 Operation

We recommend your read: Selection and Operation of Personal Monitor Systems Educational Articles - Online booklets and bulletins If you want to send one stereo mix to all four singers, you require the following: 1...


Monitor mixing - How to set up.

We will assume you are sending a mono feed from the board. Connect the Aux 1 Send to the PSM 600 transmitter; use the Left/CH 1 In. Set the switch on the front panel SOURCE to mono. Each vocalist will wear a PSM 600 rec...


Using the headphone jack of a mixer for connecting the P4HW

1/4" Tip --> Left XLR Pin 2 1/4" Ring --> Right XLR Pin 2 1/4" Sleeve --> Left XLR Pin 1 & 3 and Right XLR Pin 1 & 3  Adapter cables can be purchased from Markertek.


Shure PSM700's w/ Antenna combiner

The PA421SWB and PA821SWB antenna combiners can hande up to 100mW of RF power per input. There should be no problem with your configuration. You also mention distribution amplifiers. Please clarify with model numbe...


How to use an external limiter for extra hearing protection

The exact set-up varies dramatically depending upon the model of the compressor/limiter. We suggest an experimental approach. As a source, use a CD player and a CD of your music or a similar type. Monitor the CD via your ent...


Connecting a PSM transmitter to a power amp output

Although not the ideal way to hook up a PSM transmitter, the model PM52 from Rolls (http://www.rolls.com) converts a power amp output to a headphone level output with a volume control. The headphone output will be close enough to...


Need power amp for PSM systems?

No, the PSM400 system does not need any power amp. With in-the-ear monitors, you are no longer using a loudspeaker, so a power amp is not needed.


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