Samson DA-5H, Manual

Page 1: ...dbx Noise Reduction T R U E D I V E R S I T Y W I R E L E S S S Y S T E M UR 4 RECEIVER UT 4 BELT PACK TRANSMITTER UH 4 HAND HELD MICROPHONE TRANSMITTER UHF S E R I E S DA 5H UHF ANTENNA DISTRIBUTION AMPLIFIER ...

Page 2: ...ies System 15 About dbx Noise Reduction 19 Trouble shooting 20 UT 4 Multi pin Lavalier Wiring Guide and Chart 23 About The DA 5H UHF Antenna Distribution Amplifier 26 Guided Tour DA 5H Front Panel 27 Guided Tour DA 5H Rear Panel 28 Setting Up and Using the DA 5H 29 DA 5H Grounding Techniques 31 Glossary of Terms 32 Specifications 34 ...

Page 3: ...ack transmitter for lavalier microphone headset micro phone and guitar applications or our UH 4 hand held microphone trans mitter The illustration below shows an overview of our system design Your receiver and transmitter have been factory preset to utilize the same channel A listing of the six available channels and their corre sponding UHF frequencies can be found on page 34 of this manual 1 SER...

Page 4: ...rsity System may also optionally include a DA 5H UHF Antenna Distribution Amplifier For more information on this device see pages 26 31 In this manual you ll find a more detailed description of the features of this system as well as a guided tour through all components step by step instructions for setting up your system trouble shooting tips wiring diagrams and tables a glossary of terms and full...

Page 5: ...ystem venues and ensures noise free performance when used side by side with VHF systems in crowded RF environments True Diversity technology which greatly extends the effective range of the system and also virtually eliminates interference and phase cancellation problems Built in dbx noise reduction circuitry in both the transmitter and receiver This ensures clear transparent sound with an absolut...

Page 6: ...k neoprene covering to ensure a firm com fortable grip A selection of mic capsules are available including Electro Voice 757 N DYM Dynamic Electro Voice 857 N DYM Dynamic Sennheiser MKE 4032 Condenser Shure SM58 Dynamic Shure SM85 Condenser Shure SM87 Condenser Both the UT 4 and UH 4 transmitters provide popless muting which turns off the audio signal while leaving the carrier signal on Both the U...

Page 7: ...VU bar meter used on audio devices continuously indicates the strength of the UHF signal being received by antennas A and B When all ten segments are lit the incoming signal is at maximum strength when only the lowest segment is lit the incoming signal is at minimum strength If no segments are lit no signal is being received check to ensure that the transmitter is on and that the transmitter and r...

Page 8: ...how you whether signal from the A or B receiver is currently being used when signal is being received one of them will be lit A computer chip inside the UR 4 constantly scans the two and automatically selects whichever is receiving the strongest clearest signal This true diversity switching is completely inaudible but it effectively increases overall range while reducing poten tial interference an...

Page 9: ...DISTRIBUTOR A SAMSON SAMSON TECHNOLOGIES CORP HICKSVILLE NEW YORK U S A UHF RECEIVER MODEL No UR 4 ANT A 120V 60Hz 15W POWER RATING RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR ATTENTION ANTENNA CONNECTIONS ARE POWERED BY DC 9V MANUFACTURED UTILIZING TECHNOLOGY LICENSED FROM CARILLON TECHNOLOGY INC DBX IS A REGISTERED TRADEMARK OF CARILLON ELECTRONIC...

Page 10: ...audio equipment Wiring is as follows 4 Rear mount antenna knockouts The receiver antennas can optionally be mounted at these areas of the rear panel Contact Samson Technologies for information about our rear panel antenna mounting kit If required both the balanced and unbalanced outputs can be used simultaneously SIGNAL GROUND SIGNAL GROUND ...

Page 11: ...9 Guided Tour UT 4 8 6 7 9 10 POWER OFF ON 1 5 INPUT UT 4 SAMSON Beltpack Transmitter SAMSON MIN MAX MIN MAX GTR LEVEL INPUT GTR MIC MIC LEVEL BATT MUTE ANT OFF ON 2 3 4 5 ...

Page 12: ...w this LED lights steadily indicating that the battery needs to be replaced 4 Mute Off On switch When set to the Off position audio signal is transmitted When set to the On position the audio signal is muted Because the carrier signal remains during muting no pop or thud will be heard Note that turning this off does not turn off the transmitter power it is simply a way to temporarily mute the tran...

Page 13: ...th a lavalier or headset microphone 8 GTR Level control trimpot If you are using the UT 4 with an instrument such as an electric guitar or bass use the supplied plastic screwdriver to set this input sensitivity control to the optimum level See the Setting Up and Using the UHF Series System section on page 15 for more information 9 Battery holder Insert a standard 9 volt alkaline battery here being...

Page 14: ...12 Guided Tour UH 4 SAMSON PULL TO OPEN dbx NR On Off 1 SAMSON UH 4 UHF Wireless Microphone A 2 Ch Off On Power Audio Level Max Min Mute Ant 2 4 3 6 5 ...

Page 15: ...during muting no pop or thud will be heard Note that turning this off does not turn off the transmitter power it is simply a way to temporarily mute the transmission of audio signal If you don t plan on using the transmitter for extended periods turn off the transmitter power by using the power on off switch see 2 above 4 Audio Level control trimpot Use the supplied plastic screwdriver to set this...

Page 16: ...l out the nylon sled marked Pull To Open Next place the battery in the UH4 with the battery terminals facing the top of the mic capsule and finally push the sled back in The purpose of the sled is to ensure a tight fit if you encounter resistance you have installed the battery back wards remove it reverse the position of the terminals and reinstall Guided Tour UH 4 SAMSON PULL TO OPEN PULL OUT PUS...

Page 17: ...ophone or instrument you are using be sure to correctly set the MIC GTR switch Because the 6 pin plug is keyed you ll need to rotate it a certain way to get it to mate with the connector mounted on the UT 4 then push straight down until you hear a click To remove the 6 pin connector lift up the outer sleeve and pull straight out do not use force We recommend that you never pull on the wire only th...

Page 18: ...eave the transmitter turned off 5 With the power to your amplifier and or mixer off make the physical cable connections between the output of your UR 4 receiver using either the balanced or unbalanced jacks and the input of your amplifier or mixer If you are using professional 4 equipment the balanced jack is preferable since it will deliver an electromagnetically cleaner signal When using a mixer...

Page 19: ...and or mixer but keep its volume all the way down Next unmute the audio signal by placing the UH 4 or UT 4 Mute switch to the Off posi tion and speak into the microphone or play the instrument at a normal performance level Slowly raise the volume of your amplifier and or mixer until the desired level is reached If you hear distortion at the desired volume level first make sure that the gain struct...

Page 20: ...t the stronger the signal Also note that the A and B LEDs on the UR 4 receiver occasionally switch on or off always showing you which anten na is receiving the stronger signal The basic rule of thumb for wireless audio systems is to always try to minimize the distance between trans mitter and receiver as much as possible and also to try to maintain line of sight between the two that is the person ...

Page 21: ...e way this process is known as de emphasis decoding The pre emphasis encoding process is automatically carried out by the UT 4 and UH 4 transmitters and the de emphasis decoding process is auto matically carried out by the UR 4 receiver For this reason you must use these matched components in order for the noise reduction to work as intended Note also that the headroom available from using the dbx...

Page 22: ...l be lit bright red 3 If you re using the UT 4 belt pack transmitter is the GTR MIC input switch set correctly If so is the physical lavalier headset or instrument cable connection correctly wired and secure If you re using the UT 4 for electric guitar or bass check to see that the instrument s settings are correct i e master volume up etc 4 Is the MUTE LED on the receiver off and is the Mute swit...

Page 23: ...eing dropped from a significant height so treat your receiver and transmitter with the kind of TLC you normally reserve for loved ones Problem Distorted sound Cross modulation interference Solution This will occur if two or more UHF Series or other wireless systems are being used at the same location and are set to the same channel If multiple wireless systems are used at the same location each sy...

Page 24: ...ne of sight so that the person wearing or using the transmitter can always see the receiver If necessary try relocating the receiver antennas to either the rear panel contact Samson Technologies for details about our rear panel mounting kit or remote them some distance from the receiver using 50 ohm coaxial cable suitable for up to 1 gigaHertz bandwidth the lower the capacitance of the cable the f...

Page 25: ...standard 1 4 phone plug MC 1 Low impedance microphone cable suitable for use with most dynamic and condenser microphones Terminates at standard 3 pin XLR plug We offer the following lavalier microphones available pre wired for use with the UT 4 Sony ECM 44 ECM 55 ECM 77 Sennheiser MKE 2 Audio Technica 831C We also offer the following headsets available pre wired for use with the UT 4 AKG C 410 Aud...

Page 26: ... Clear to pin 2 Countryman Isomax Headset Red Green PSC PSC P6 Red White Samson ECM 40 15KΩ Resistor White Clear to pin 2 Sanken COS 11PT Black White Clear Sennheiser MKE 2 Red Blue Sennheiser MKE 2R Red 8 2 KΩ Resistor Red Dot to pin 1 Sennheiser MKE 40 Red Blue Shure SM10A N C Red Sony ECM 44 Red White Clear Sony ECM 55 Red White Clear Sony ECM 77 Red White Clear Sony ECM 144 15KΩ Resistor White...

Page 27: ...per to pin 6 Shield N C N C N C Blue Shield Jumper to pin 2 N C Jumper to pin 6 Shield N C N C N C Black Shield Jumper to pin 2 N C N C Shield Jumper to pin 2 N C N C Shield Jumper to pin 2 N C N C Shield N C N C N C Shield N C Audio N C Shield N C N C XLR 2 XLR 1 3 Audio GND N C Audio N C Shield Ground Hi Z Mic Ground Bipolar Audio Lo Z Unipolar NOTES Resistors in plugs should be SMD Surface Moun...

Page 28: ... BNC connector kit The addition of 6 dB of RF signal gain in order to provide a stronger quieter signal and increase the effective transmission range A front panel power switch and power indicator LED The DA 5H can accept any AC power voltage from 100 250 volts without the need to change a voltage selector switch our special current and voltage sensing circuitry does the job automatically for you ...

Page 29: ... These antenna mountings are phantom powered take care not to short them See the section in this manual entitled Setting Up and Using the DA 5H on page 29 for information about antenna installation and positioning 2 Power LED This is lit whenever the DA 5H is powered on 3 Power switch Use this to turn the main power on and off When the DA 5H is on the Power LED see 2 above will be lit 1 2 3 1 POWE...

Page 30: ...outputs to the Antenna A inputs of your receivers For more information see the section in this manual entitled Setting Up and Using the DA 5H on page 29 3 Antenna Output Distributor B Use the supplied BNC connectors to connect each of these antenna outputs to the Antenna B inputs of your receivers For more information see the section in this manual entitled Setting Up and Using the DA 5H on page 2...

Page 31: ...t the outer ring of the antenna clockwise until it clicks into place Repeat the same proce dure in order to mount the other antenna into the front panel Antenna B input Note that both antenna inputs are phantom powered take care not to short them 3 Using the supplied BNC connectors make a connection between the rear panel Antenna Output 1 Distributor A and the Antenna A input of the first UHF rece...

Page 32: ... be covered while speaking singing or playing into each trans mitter at a normal performance level The presence of the DA 5H should serve to increase the effective transmission range within your system if you do find that any new dead spots result instead try changing the angle of the DA 5H antennas The basic rule of thumb for all wireless audio systems is to always try to minimize the distance be...

Page 33: ...t to which the strap can be connected if not you can attach some kind of metallic binding post to the case itself In addition you can minimize possible interference by planning your RF antenna audio electrical and computer cable runs so that they are as far apart from one another as possible and so they don t run parallel to one another If they have to cross try to ensure that they do so at a 90 a...

Page 34: ...e original audible signal is restored Group In wireless transmission refers to a selected set of radio fre quencies Headset A hands off microphone worn with a headband Hertz Hz A unit of frequency measurement denoting one wavecycle per second Inaudible A sound that we cannot hear Radio waves which have fre quencies ranging from the tens of thousands to millions of waves per second are all inaudibl...

Page 35: ... antenna A built in computer chip then continuously scans the two receivers and determines which one has the clearest and strongest reception automatically and silently switching to that channel UHF Ultra High Frequency Refers to radio waves in the 300 3 000 megaHertz range VHF Very High Frequency Refers to radio waves in the 30 300 megaHertz range VU Short for Voltage Unit A unit of measurement u...

Page 36: ...ns Less than 43 dB from carrier Carrier Generation Crystal controlled PLL oscillator Stability 50 ppm Operating Range 300 ft 1500 ft Battery Life 9 volt alkaline Approximately 4 6 hours Weight UH 4 without mic element 111 g Transmitter Audio Audio Frequency Response 50 Hz to 15 kHz 3 dB Frequency Deviation 15 kHz 40 dBV Pre emphasis 50 micro sec Noise Reduction System dbx type II Audio Residual No...

Page 37: ... Selectivity 150 kHz 60 dB Total Harmonic Distortion Less than 5 400 Hz deviation 10 kHz Weight 2 9 Kg DA 5H Frequency Range 947 MHz 952 MHz Antenna Input Distributor A x 1 Distributor B x 1 50 ohms BNC J connector Phantom Power DC 9V 25 mA Max Antenna Output Distributor A x 4 Distributor B x 4 50 ohms BNC J connector Gain 0 dB 2 5 dB NF Less than 10 dB Maximum Input 110 dB µV Operating Temperatur...

Page 38: ...Underhill Blvd P O Box 9031 Syosset NY 11791 9031 Phone 1 800 3 SAMSON 1 800 372 6766 Fax 516 364 3888 FCC Rules and Regulations Samson wireless systems are type accepted under FCC rules parts 90 74 and 15 Licensing of Samson equipment is the user s responsibility and licensability depends on the user s classification application and frequency selected ...