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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...


Microphone connected to a computer sound card

What you are experiencing is the difference in level between different devices. Low impedance microphones, like the SM58 have a very low output level. A guitar, on the other hand, has a much hotter output. The sound card on your ...


Beta 57A and Beta 58A Comparison

The form factor of the mics is different; basically, the grille and the label. The different grilles make the response of these two microphones slightly different in the higher frequencies. In addition, the Beta 57A grille allows...


Classical Guitar Mic

Before you make any buying decision, please read the following: MICROPHONE TECHNIQUE FOR THE CLASSICAL GUITAR by Michael Pettersen Director of Applications Engineering - Shure Inc. Miking a classical guitar for reco...


Timetable/history of the V15 cartridge models

A brief history of the V15: V15 1964-1966 V15 Type II 1966-1970 V15 Type II Improved 1970-1973 V15 Type III 1973-1978 V15 Type IV 1978-1982 V15 Type V 1982-1983 V15 Type V-MR 1983-1993 V15 Type VxMR 1996-2005 ...


RF signal loss in cable runs - impedance or cable length?

RF signal loss due to the length of the cable run is far more significant than loss due to an impedance mismatch. Using a 100 foot run of 75 ohm antenna cable with low loss is better than using a 100 foot run of 50 ohm antenna ca...


ULXD Antenna Cascade

The recommendation is two units.  This applies to the ULXD dual receiver (ULXD4D) and the ULXD quad receiver (ULXD4Q).  The antennas connect into receiver unit #1 and cascade into receiver unit #2. The cascaded uni...


SM58 to mike my guitar amp?

The SM57 is the most common mic used to mike a guitar amp. The SM58 is same as the SM57, except the SM58 has a ball-shaped grille. Either model is a good choice for miking a guitar amp. The sound pressure from the guitar amp...


How to test phantom power voltage and current

For this example, we will assume the phantom power voltage is rated at 48 Vdc and the maximum phantom power current is rated at 7 mA, i.e., 48 Vdc supplied through a 6.8 kOhm resistor as per the DIN Specification 45 595, dated Au...


Selecting bands/channels for new wireless systems using Wireless Workbench 6 tutorial

If you are only needing a few channels, often the online Frequency Finder can be used to determine which band to purchase. For larger wireless setups, the Wireless Workbench 6 (WWB) software can be used to coordinate frequencies ...


Testing a phono cartridge body

Using an ohmmeter, you can check the continuity of a Shure phono cartridge body. 1. Remove any wires connected to the cartridge. You will test at the pins on the rear of the cartridge. 2. Set the ohmmeter so it can read...


Which cable for SM58

The output connector of an SM58 is called a male XLR connector. If the mic input connector of your PA is a female XLR connector, your PA system is low impedance. In that case, use any mic cable that has an XLR female on one end a...


Difference between electret condenser and true condenser microphones

The electret is a type of condenser microphone. There are two types of condenser microphones: a permanently biased condenser, usually called an electret condenser, and an externally biased condenser, usually called a true condens...


Will phantom power damage the SM57?

The SM57 is a dynamic microphone. A professional, balanced, dynamic microphone will not be damaged by phantom power. It will "ignore" it.


SM58 serial number

There is no serial number on the SM58 microphone nor on most Shure microphones. There is a serial number on the outside of the box that the SM58 comes in. There is a "date code" of two letter combinations inside the micropho...


BLX versus PGX versus PG

RF Tuning Bandwidth PG = 12 MHz PGX = 18 MHz BLX = 30 MHz (originally 24 MHz) Maximum Number of Compatible Systems per RF Band PG= 4 PGX = 9 BLX = 12 *Local RF interference will reduce the numbers listed a...


Should I match impedances of my microphone to my mixer?

Impedance Matching for Microphones - Is It Necessary? What is impedance? Impedance is how much a device resists the flow of an AC signal, such as audio. Impedance is similar to resistance which is how much a device resis...


QLX-D Antenna Distribution

It is the same as with ULX-D single receivers.  Use the UA844+SWB RF distribution amplifier, UA221 RF splitter/combiner, etc. See our online Wireless Accessory Wizard. Note: Unlike the ULXD4, the QLXD4 does NOT provide ...


What is the distance factor of a microphone?

The Distance Factor of Microphones The Distance Factor, a technical characteristic of microphones, is often misunderstood. In brief, a directional microphone may typically be placed farther away from a desired sound source th...


How to calculate RF signal loss in coaxial antenna cable

Indeed it is important. Shure has a remote antenna tool to help determine which cables and amplifiers to use at: Wireless Mic Remote Antenna Tool Here is an online calculator for cable loss: http://www.timesmicrowave.co...


How do you use effects with wireless guitar system.

This is an excellent question. The typical connection scheme is: Guitar output to wireless transmitter input; RF connection from transmitter to wireless receiver; receiver output to first effects pedal input; last effect pedal ou...


Does the human body block or absorb RF energy?

The human body is both a reflector and an absorber of RF energy. This is likely to be even more apparent at higher frequencies, e.g. 2.4 GHz. Try this experiment. If you have a portable FM radio, tune in a station and do a 3...


How do I mic a choir?

Positioning Choir Microphones The goal of choir miking is to pick up a blend of sound from the whole choir (rather than individual singing voices), without picking up the sound of an organ or other musical instruments or ...


Motiv product connected to an Android device

The Motiv MV88 stereo mic has a Lightning connector and only works on iOS. Other Motiv products are designed to operate with a device that is USB Audio compliant. The Android 5.0 "Lollipop" operating system includes native ...


Microphone crackling and popping when handled

The problem might lie in the XLR connector at the end of the SM58. There is a small set screw that can be accessed via a hole on the side of the mic. This set screw holds the XLR connector tight in the mic body. Use a small screw...


Troubleshoot Wireless Workbench 6 Ethernet Connection

To troubleshoot Wireless Workbench 6 (WWB6) Ethernet connections, please follow these steps. Make certain you have the latest version of WWB6. Connect the computer and the receiver to a router. A router acts as the DH...


Static Electricity Discharge through Headphones / Earphones?

Yes, it is possible.  In a cold climate with low humidity, it is easy to build up a static charge on one's body.   As an example, wearing shoes with leather soles while shuffling one's feet on a w...


Phono Cartridge Troubleshooting

Failure of a phono cartridge is rare as there are only a few components inside of the body.  There is a coil of wire for the left channel.  There is a coil of wire for the right channel.  There are t...


Info on QLXD v2 firmware

Version 2 Firmware for QLXD was introduced in January 2017. Why was this firmware update implemented? Digital wireless customers have encountered issues of compromised sound quality and signal deterioration. These issues h...


Quality of Shure product assembled in China or Mexico

Absolutely.  All Shure manufacturing facilities are ISO (International Standards Organization) certified annually. Robust processes and product quality documentation are built into each facility from the beginning.  For...


SM87A vs Beta 87A

The SM87A and Beta87A are both supercardioid, condenser microphones designed for handheld vocal applications. The differences between the two are subtle, and best determined by auditioning both microphones at a local Shure dealer...


Will a BLX1 or BLX2 work with a PGX4 analog receiver?

Yes, but there are nonconformities of performance to consider before purchasing a BLX transmitter. Shure does not guarantee that a hybrid system (a BLX transmitter with a PGX4 receiver) will meet the published specif...


Thumping noise when walking and using the E3c earphones

Is there any way to avoid this annoying sound effect? * Sorry, there is not. You are hearing the effect of bone conduction. Vibrations from walking travel through your bones and excite the inner ear. Without the earphones inser...


N44G stylus on an M44-7 cartridge the same as M44G?

The N44-7 stylus tracks at 1.5 to 3 grams. The N44G stylus tracks at 0.75 to 1.5 grams. The cartridge body of the M44-7 and the M44G are basically the same. Change the stylus model and you change the cartridge model. So just...


How do I compare the sensitivity of two microphones?

Microphone Sensitivity Rating What is microphone sensitivity? A microphone sensitivity specification tells how much electrical output (in thousandths of a volt or "millivolts") a microphone produces for a certai...


Disqualified Network Switches for Shure Dante Devices

In addition to the network switches mentioned in Audinate’s “list of incompatible, unmanaged switches with Energy Efficient Ethernet,” the following switches are not compatible with Shure Dante enabled devices. Netgear All ProSaf...


Condenser Microphone Self-Noise or Noise Floor

Background noise in a room consists of traffic sounds from outside, air movement from the heating/ventilation/air conditioning system, hum/buzz from lighting fixtures, et al.  These noise sources combine to create ...


What does "att" mean when associated with a mic input?

Att is an abbreviation for Attenuated. Attenuated means "reduced in level". Your microphone will be recorded at a reduced level when using the Attenuated input. Use the Attenuated input only if the non-attenuated input ...


Microphone Repair

Information concerning service, repair, parts and warranty of Shure products can be found at the following link: http://www.shure.com/americas/support/service-repair


SM7, SM7A, SM7B - Differences

SM7 - Introduced 1973 with a U.S. retail price of $256.80. SM7A - Humbucking coil improved; design of the mic mounting yoke also improved. Introduced 1999. SM7B - Larger foam windscreen added. Introduced 2001.   ...


Theater Audio - How do I correctly use lavalier microphones in theater applications?

The object of most theatrical microphone techniques is to make the mics as inconspicuous as possible and provide the actors with freedom of movement, while still providing a high level of sound quality. The obvious choice is wire...


MXA910 Dante

There is a choice. Technically, the MXA910 presents 9 Dante channels - 8 individual lobes, plus an automix of all 8 lobes. So, the installer can either take each lobe as an independent channel into the Tesira, or the automix as a...


SV100 and SV200 Microphone Models

The SV100 and SV200 were introduced in August 2010. The specifications for both models: Dynamic microphone element Cardioid polar pattern Balanced, low impedance (600 ohms) Output level of -52dBV/Pa (2.5mV) Frequen...


SLX transmitter will not sync with the SLX4 receiver

Here are possible causes of the problem, from most common to least common:   1) The battery compartment of the SLX transmitter is not open, and therefore the sync signal from the SLX4 is not being received.  ...


SM58 and SM48 Comparison

The SM58 and SM48 use different cartridges. That is to say, they have different frequency responses, different off axis responses, different handling characteristics, different transcient responses, etc. Also, the SM48 is only av...


Will a BLX1 or BLX2 work with a PG receiver?

Yes, but there are nonconformities of performance to consider before purchasing a BLX transmitter. Shure does not guarantee that a hybrid system (a BLX transmitter with a PG receiver) will meet the published specification...


Differences between Beta 87 & SM58

The Beta 87 and SM58 are completely different microphones. The Beta 87 is a condenser and the SM58 is a dynamic. The Beta 87 has a supercardioid polar pattern and the SM58 has a cardioid polar pattern. Those are the major differe...


Theater Audio - Where do I place microphones for a school play?

Place 3 or 4 MX300 series boundary microphones across the front apron (about every 6 to 8 feet) and then hang 3 or 4 MX202 microphones 6 feet back from the apron. If use something other than boundary microphones, than we sug...


How do I mic an accordion?

Miking an accordion for amplification is a mystery to most players. This briefly explains microphone selection and placement as both influence the sound of your amplified accordion. An accordion radiates a different timb...


"Burning in" earphones or "breaking in" earphones

Shure earphones do not require a break-in period. Some headphone websites recommend "burning in" or "breaking in" new headphones with an audio signal for some length of time before use. There is some truth beh...


Setting Sensitivity and Gain on the UR1 Bodypack Transmitter

The UR1 bodypack transmitter features an audio input that can be configured for many different audio sources. Lavalier microphones, headworn microphones, passive guitar pickups, guitars with active electronics, keyboards, etc. ar...


SE Earphones - Intermittent audio or static - Cleaning connector

A possible cause for this complaint is corrosion, dirt, or sweat in the connector between the cable and earphone housing.  This problem can often be alleviated by removing the cable from the earphone housing, and gently clea...


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...


Specifications SHURE V15 III

Tip * Diamond Elliptical (0.2 mil x 0.7 mils) Weight * 6 grams Stylus pressure * 0.75 to 1.25 grams compliance * 30 x 10 (-6) cm/dyne of force separation of channels * 28 dB at 1,000 Hz frequ...


Collection of Wireless Troubleshooting Links

Wireless troubleshooting is difficult when on site. Via telephone, it is even more difficult. Via email or chat, it is nearly impossible. The root issue is that there are multiple variables which affect wireless microphone instal...


Radio interference on a microphone cable.

Troubleshooting and fixing RFI is a trial and error process.  First, you can try to rule out the microphone by disconnecting the cable at the microphone end and placing a 150 ohm resistor between pins 2 and 3. That is, leave...


How do I connect a Sennheiser MKE2 to a Shure bodypack?

DISCLAIMER: This bulletin was written with information provided by Sennheiser. Shure is not responsible for damage caused to a Sennheiser microphone if this circuit proves incorrect. There are two methods to wire a Sennheiser...


Radio Frequency Interference Detector - Audible

1) Use an inexpensive portable AM radio tuned "off-station". It will make all types of unpleasant noises when brought near a source of RFI. 2) A more sophisticated detector is available from WiNRADiO: The WiNR...


UA221 Modification for DC bias and antenna combining

UA221 conversion to UA220 DC blocking Capacitor removal In certain applications it may be necessary to use multiple remote antennas. If the antenna runs exceed 25' they may require an inline amplifier, such as the UA834...


Shure Piano Mic Suggestion

For mounting inside a piano, the best choice is a boundary microphone attached to the underside of the piano lid. The Shure microphone designed for this application is the Beta 91A, a cardioid pattern, condenser, boundary microph...


How to calibrate a VU meter?

How to Calibrate the VU Meter on a Shure Mixer Why does a VU meter require calibration? A VU meter indicates the signal level being sent from the mixer to the next device. A VU meter can be calibrated to any reference lev...


M95ED cartridge specifications

Tracking Force: 0.75 - 1.5 grams Frequency Response: 20 - 20,000 Hz Channel Separation: >25dB at 1,000 Hz Channel Balance: Within 2 dB of each other Output Level: 4.7mV per channel at 1,000 Hz, 5 ...


Converting a mic signal to a line level signal.

The A15LA cannot be used in reverse. You require a mic to line amplifier. Try www.rane.com; or www.rdlnet.com


SM57 vs SM58 - proximity effect

The SM58 and the SM57 share the same mic element, the Unidyne III. The only difference between the these two models is the grill design. The grill design does affect the high frequency response, particularly above 8,000 Hz. ...


Can I use a Shure wireless microphone with any manufacturer's receiver?

No, you cannot. It might sort of work, but sound funny. In analog wireless different manufacturers use different companding and noise reduction schemes, along with possibly different RF deviations. So make certain the transmitter...


Routing audio from an MXA910 or MXA310 to an Audio Network Interface device

Both the MXA910 ceiling array and the MXA310 multi-pattern table microphone are devices that output their audio using a networked digital audio platform called DANTE. To retrieve this audio, the MXA mics must be properly network...


ULXP Discontinuation

August 2014.  The ULXS4 receiver and the ULXS systems were NOT discontinued The final U.S. retail price for the ULXP4 receiver was $770.   It can be replaced by the ULXS4 receiver for most applications. T...


Adding or editing equipment profiles in Wireless Workbench tutorial

Wireless Workbench v6.12 includes equipment profiles for several other manufacturers. However, at times, it might be necessary to add a new profile or edit an existing profile. Custom profiles allow you to adjust coordinatio...


Advantages of the triple-flange sleeve

The triple-flange sleeve extends farther into the ear canal than any of the other sleeves, and contacts the ear canal at more than one point. This provides increased holding power for most people, which can be desirable if you we...


Lavalier / Headset compatibility with Wireless Systems

The following chart provides compatibility information between Shure lavalier and headset mics and Shure wireless systems.     PG185/CVL PG30/PGA31 SM31FH WL1...


Conference Room Acoustics and Signal-To-Noise Ratio

To maximize the success of any conferencing facility, a number of factors must be considered during planning and implementation. The list includes: 1) Acoustic qualities - room noise floor, external noise sources, technical...


Thread size for mic stands and clips

In the United States: 5/8"-27


Wiring of vintage Shure mics: 3 or 4 pin Amphenol to XLR

Check out the discontinued product sheets at: User Guides and Spec Sheets Using the information on these sheets, wire to the 3 pin XLR as follows: XLR pin 1 = shield, Amphenol pin 1 XLR pin 2 = low impedance audio hot...


PG Wireless Discontinuation

The PG series of wireless systems was discontinued May 2013; the PG wireless series was introduced in 2006. Recommended upgrade is the BLX wireless series. Note: A BLX component cannot be used as a replacement for a PG ...


Antenna Types

The size of an antenna is directly related to the wavelength of the frequency to be received. The most common types used in wireless audio systems are 1/4-wave and 1/2-wave omni-directional antennas, and unidirectional antennas. ...


What is the difference between hi-z and lo-z?

This is an excerpt from: Microphone Techniques for Music - Sound Reinforcement The output impedance of a microphone is roughly equal to the electrical resistance of its output: 150-600 ohms for low impedance (l...


Theater Audio - Using Wireless Microphones with Bodypack Transmitters

1. Most bodypacks come with an attached belt clip. The obvious way to wear a bodypack transmitter is to clip the bodypack onto an actor’s clothing at the beltline or on the hip area. The transmitter can also fit into pocket...


Mute switch with phantom power

Two different circuits for mic muting when phantom voltage is present. Either one will work. Note that neither circuit provides infinite muting (complete elemination of the mic signal), but does reduce the mic signal level substa...


P3R vs. P3RA

The P3R is a wireless stereo bodypack receiver for use with the PSM®300 Personal Monitor System. With 24-bit digital audio clarity, the P3R offers reliable wireless freedom that covers every corner of the stage. Simply connec...


Critical Distance and Microphone Placement

Critical Distance and Microphone Placement A microphone is the first component in any speech recording or transmission system. Its function is to convert acoustic sound waves into an equivalent electrical signal. This signal ...


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 ...


Live performance mic for acoustic guitar

We suggest you consider these models: Premimum: KSM141 Best: SM81 Better: SM94 Good: PGA81 We also suggest you read a booklet on mics for recording before you make your purchase: Microphone Techniques for Mus...


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...


Difference between V15 III, V15 IV, V15 V

Is a replacment stylus available for the V15 IV? * Shure no longer sell a V15 IV stylus. Check Radio Shack; and Record King in New Jersey: phone 201-488-4232. Also do a web search using "phonograph stylus". And w...


Firmware Update for ULX-D transmitters

You can update ULXD1 and ULXD2 transmitter firmware in the field.   First, make certain that the receiver firmware is the same as the transmitter firmware that is being hosted in the receiver so the proper ver...


Tracking weight of M75ED type II

The M75ED Type 2 tracks at 0.75 to 1.5 grams. The M94E model would be the proper replacement cartridge for the M75ED Type 2. You may also replace the stylus of the M75ED Type 2 with the N75ED Type 2. This will provide the pe...


Phono Cartridge Installation and Setup - Detailed Instructions

Source: Audiophilia Date: September 1999 Author: Andrew Chasin  A Beginner's Guide to Cartridge Setup [The fine print: The cartridge setup procedure described here is to be used solely as a guideline, and m...


Lack of bass from my earphones

The reason for poor bass response (over 99% of the time) is a poor fit between the earphone sleeve and the ear canal.  If the flexible sleeve does not completely seal the ear canal, there is little bass. This is usually...


Vocal mic for singing drummer/Maximum isolation

1) The Beta 87A is a supercardioid, not a hypercardioid. If most of the leakage into the SM58 originates from the sides of the mic, the Beta 87A will likely work somewhat better. 2) The Beta 87A which is a supercardioid. The...


PGX Analog Wireless Discontinuation

May 2013.  Recommend replacement is the BLX wireless series.  PGX analog wireless was introduced in 2005. The final U.S. retail prices were: PGX1 body pack transmitter: $248 PGX2/PG58 handheld transmitter:...


Configuring Cubase LE with Shure USB Microphones

Plug the device into a USB port Open Cubase LE Open an existing project that uses audio Go to Device in the top menu Go to Device Setup Go to VST Click on control panel In control pan...


USB to Serial Port Adapter for Windows XP, Vista, 7 (32 and 64-bit editions)

Consider obtaining the FTDI Chip (www.ftdichip.com) model US232R USB to Serial Port Adapter.  It is available in several cable lengths, including the model US232R-100 (1 meter cable) and the US232R-500 (5 meter cable).&...


MX412D and MX418D switch functions, logic functions, wiring scheme, and other technical matters

Technical aspects of the MX412D and MX418D Gooseneck Microphone with Weighted Desk Stand Base Note: The bottom plate of the microphone must be installed for the microphone to function. The external switch on the MX412D, l...


55SH Series II with Beta 58 cartridge

The Shure Super 55 is exactly what you described. The Super 55 uses a modified version of the Beta 58A cartridge.  If you already own a model 55SH Series II, consider the R115S upgrade kit; a do-it-yourself project...


Shure Phono Cartridges - Moving Magnet or Moving Coil?

All modern Shure phono cartridges are a moving magnet design. In the 1950's, Shure had the first U.S. patent for the moving magnet phono cartridge.


How do I keep ambient noise out of my microphone?

It's hard to say, but it will probably have the same issues. It depends completely on the SPL of the noise, how close the talker is to the microphone, and the desired voice to ambient noise ratio. It sounds like you need...


QLX-D and ULX-D Network Scan

No. QLX-D receivers linked as network can do a network frequency scan; same for linked ULX-D receivers. But a network frequency scan will not work for QLX-D receivers linked to ULX-D receivers


XLR to Phoenix Euro Block Connector Wiring and Jumper Cable

Wiring: XLR pin 1 to Euro Block Ground and Cable Shield XLR pin 2 to Euro Block Positive XLR pin 3 to Euro Block Negative As of February 2009, such cables were available in the United States from: www.hosate...


Will blowing into a microphone damage it?

In most cases, blowing a stream of air into a microphone will not damage the microphone, but in the rare case, might damage the loudspeaker. We suggest saying "Test 1,2,3" as a safer alternative. However, never tes...


Wireless portable PA System

We suggest you consider portable systems from Sound Projections which use Shure wireless microphones.


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