Samson Stage 55 Manuel utilisateur

WIRELESS

AND

WIRELESS SYSTEM

TRUE DIVERSITY

WIRELESS SYSTEM

Printed September 2002

Samson Technologies Corp.

575 Underhill Blvd.

P.O. Box 9031

Syosset, NY 11791-9031

Phone: 1-800-3-SAMSON (1-800-372-6766)

Fax: 516-364-3888

Table of Contents

Introduction 3

Guided Tour - SR55 Receiver Front Panel 5

Guided Tour - SR55 Receiver Rear Panel 6

Guided Tour - SR5 Receiver Front Panel 7

Guided Tour - SR5 Receiver Rear Panel 8

Guided Tour - ST5 Transmitter 9

Guided Tour - HT5 Transmitter 11

Setting Up and Using Your Stage 55 Series / Stage 5 Series System 12

Appendix B: Carrying Case 15

Specifications 16

Introduction

Congratulations on purchasing the Samson Stage 55 Series or Stage 5 Series Wireless

System! Although this product is designed for easy operation, we suggest you first take

some time to go through these pages so you can fully understand how we’ve implemented

a number of unique features.

Every wireless system consists of at least two components—a transmitter and a receiver,

both of which must be tuned to the same channel (that is, the same radio frequency) in

order to operate correctly.* The Samson Stage 55 Series or Stage 5 Series system you

have purchased operates in the 174.6 - 213.2 MHz frequency range and contains either a

SR55 or SR5 receiver as well as one of the following transmitters: a ST5 belt-pack

transmitter (for lavaliere microphone or headset applications); a ST5 belt-pack transmitter

(for instrument applications); or a HT5 hand-held microphone transmitter. For convenience

and security, the Stage 55 Series and Stage 5 Series system is packaged in a custom

impact-resistant polypropylene plastic carrying case that provides room for all components

(see Appendix B for more information).

The ST5L beltpack transmitter provides a locking 3.5 mm mini-phone jack for connection to

the various Stage series transmitters including:

LM5 - Lavaliere condenser microphone

HS5 - Headset condenser microphone

GC5 - Heavy-duty Guitar/Instrument cable

The HT5 hand-held microphone transmitter is equipped with the Samson Q7 neodymium

dynamic microphone element.

* Your receiver and transmitter have been factory preset to utilize the same channel.

The SR5 receiver provided with the STAGE 5 Series wireless system utilizes non-diversity

technology, incorporating a single antenna for ease of use and minimal cost. The SR55

receiver provided with the Stage 55 Series system utilizes an advanced technology

called “Diversity,” whereby a single chassis houses two antennas (called “Antenna A” and

“Antenna B”) and a receiver circuit. An advanced circuit design continuously scans RF sig-

nals from the two antennas and determines which one has the clearest and strongest

reception, automatically (and silently) switching that signal to the receiver. This allows you

to maintain the wireless communication link over a much broader area range than would be

allowed by a receiver utilizing a single antenna and also virtually eliminates multipath

dropouts, interference and phase cancellation problems. In addition, special sample-and-

hold linking circuitry ensures that correct phase correlation is maintained at all times, with

no noise or pops during antenna switching. The result is performance which exceeds that

of conventional non-diversity systems and the highest quality audio fidelity available in any

wireless system. Finally, the provision of a noise reduction circuit produces crystal-clear

sound with minimized background noise and hiss.

Introduction

In this manual, you’ll find a more detailed description of the features of your Stage 55

Series or Stage 5 Series system, as well as a guided tour through all components, step-

by-step instructions for setting up and using your system and full specifications. If your

Stage 55 Series or Stage 5 Series system was purchased in the United States, you’ll also

find a warranty card enclosed—don’t forget to fill it out and mail it! This will enable you to

receive online technical support and will allow us to send you updated information about

other Samson products in the future. If your Stage 55 Series or Stage 5 Series system

was purchased outside of the United States, contact your local distributor for warranty

details.

SPECIAL NOTE for U.S. purchasers: Should your Stage 55 Series or Stage 5 Series sys-

tem ever require servicing, a Return Authorization number (RA) is necessary. Without this

number, the unit will not be accepted. Please call Samson at 1-800-372-6766 for a

Return Authorization number prior to shipping your unit. Please retain the original packing

materials and, if possible, return the unit in its original carton and packing materials.

If your Stage 55 Series or Stage 5 Series system was purchased outside of the United

States, contact your local distributor for servicing information.

Guided Tour - SR55 Front Panel

1: Antennas (A and B) - The antenna mountings allow full rotation for optimum

placement. In normal operation, both Antenna A (the antenna on the left) and Antenna B

(the antenna on the right) should be placed in a vertical position. Both antennas can be

folded inward for convenience when transporting the SR55. See the “Setting Up and Using

Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manual for more

information about antenna positioning.

2: Volume control - This knob sets the level of the audio signal being output through both

the balanced and unbalanced output jacks on the rear panel. Reference level is obtained

when the knob is turned fully clockwise.

3: Audio Meter - This “ladder” display (similar to the VU bar meter used on audio devices)

indicates the strength of the incoming audio signal. When the “0” segment is lit, the incom-

ing signal is optimized at unity gain; when the “+6” segment is lit, the signal is overloading.

When only the left-most “-20” segment is lit, the incoming signal is at just 10% of optimum

strength. If no segments are lit, little or no signal is being received. See the “Setting Up

and Using Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manu-

al for more information.

4: Squelch control - This control determines the maximum range of the SR55 before

audio signal dropout. Although it can be adjusted using the supplied plastic screwdriver, it

should normally be left at its factory setting. See the “Setting Up and Using Your Stage 55

Series / Stage 5 Series System” section on page 12 in this manual for more information.

5: ANT A/B LEDs - When signal is being received, one of these will be lit yellow, showing

you whether the (left) “A” or (right) “B” antenna is currently being used. The SR55 con-

stantly scans its two antennas and automatically selects whichever is receiving the

strongest, clearest signal. This Diversity switching is completely inaudible, but it effectively

increases overall range while virtually eliminating potential interference and phase cancel-

lation problems.

6: RF Meter - This “ladder” display (similar to the VU bar meter used on audio devices)

indicates the strength of the incoming radio signal. When the “100%” segment is lit, the

incoming RF signal is fully modulated and at optimum strength. When only the second

most left-most “10%” segment is lit, the incoming signal is at just 10% of optimum strength.

If no segments are lit, little or no signal is being received. See the “Setting Up and Using

Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manual for more

information.

7: Power switch - Use this to turn the SR55 power on and off.

3 4

5 5

Guided Tour - SR55 Rear Panel

1: DC input - Connect the supplied 12 volt, 250 mA power adapter here, using the strain

relief as shown in the illustration below. WARNING: The substitution of any other kind of

power adapter can cause severe damage to the SR55 and will void your warranty.

2: Balanced output* - Use this electronically balanced low impedance (600 Ohm) XLR

jack when connecting the SR55 to professional (+4) audio equipment. Pin wiring is as

follows: Pin 1 ground (shield), Pin 2 high (hot), and Pin 3 low (cold).

3: Audio Output Level switch - Sets the audio output level attenuation of the balanced

output (see #4 below) to -20 dBm (line level) or -40 dBm (mic level). See the “Setting Up

and Using Your Stage 55 Series / Stage 5 Series System”section on page 12 in this manu-

al for more information.

4: Unbalanced output* - Use this unbalanced high impedance (5K Ohm) 1/4" jack when

connecting the SR55 to consumer (-10) audio equipment. Wiring is as follows: tip hot,

sleeve ground.

* If required, both the unbalanced and balanced outputs can be used simultaneously.

1234

Using the strain relief: Gather up a loop of wire and pass it through the strain relief,

then pass the adapter plug through the loop in order to create a knot.

Guided Tour - SR5 Front Panel

1: Antenna - The antenna mounting allows full rotation for optimum placement. In normal

operation, the antenna should be placed in a vertical position. It also can be folded inward

for convenience when transporting the SR5. See the “Setting Up and Using Your Stage

55 Series / Stage 5 Series System”section on page 12 in this manual for more information

about antenna positioning.

2: Volume control - This knob sets the level of the audio signal being output through both

the balanced and unbalanced output jacks on the rear panel. Reference level is obtained

when the knob is turned fully clockwise.

3: Audio Meter - This “ladder”display (similar to the VU bar meter used on audio devices)

indicates the strength of the incoming audio signal. When the “0”segment is lit, the incom-

ing signal is optimized at unity gain; when the “+6”segment is lit, the signal is overloading.

When only the left-most “-20”segment is lit, the incoming signal is at just 10% of optimum

strength. If no segments are lit, little or no signal is being received. See the “Setting Up

and Using Your Stage 55 Series / Stage 5 Series System”section on page 12 in this manu-

al for more information.

4: Squelch control - This control determines the maximum range of the SR5 before audio

signal dropout. Although it can be adjusted using the supplied plastic screwdriver, it should

normally be left at its factory setting. See the “Setting Up and Using Your Stage 55 Series

/ Stage 5 Series System”section on page 12 in this manual for more information.

5: “TX” LED - Lights when carrier signal of sufficient strength is being received by the

SR5.

6: RF Meter - This “ladder”display (similar to the VU bar meter used on audio devices)

indicates the strength of the incoming radio signal. When the “100%”segment is lit, the

incoming RF signal is fully modulated and at optimum strength. When only the second

most left-most “10%”segment is lit, the incoming signal is at just 10% of optimum strength.

If no segments are lit, little or no signal is being received. See the “Setting Up and Using

Your Stage 55 Series / Stage 5 Series System”section on page 12 in this manual for more

information.

7: Power switch - Use this to turn the SR5 power on and off.

3 4

5 7

Guided Tour - SR5 Rear Panel

1: DC input - Connect the supplied 12 volt, 250 mA power adapter here, using the strain

relief as shown in the illustration below. WARNING: The substitution of any other kind of

power adapter can cause severe damage to the SR5 and will void your warranty.

2: Balanced output* - Use this electronically balanced low impedance (600 Ohm) XLR

jack when connecting the SR5 to professional (+4) audio equipment. Pin wiring is as

follows: Pin 1 ground (shield), Pin 2 high (hot), and Pin 3 low (cold).

3: Audio Output Level switch - Sets the audio output level attenuation of the balanced

output (see #4 below) to -20 dBm (line level) or -40 dBm (mic level). See the “Setting Up

and Using Your Stage 55 Series / Stage 5 Series System”section on page 10 in this man-

ual for more information.

4: Unbalanced output* - Use this unbalanced high impedance (5K Ohm) 1/4" jack when

connecting the SR5 to consumer (-10) audio equipment. Wiring is as follows: tip hot,

sleeve ground.

* If required, both the unbalanced and balanced outputs can be used simultaneously.

1234

Using the strain relief: Gather up a loop of wire and pass it through the strain relief,

then pass the adapter plug through the loop in order to create a knot.

Guided Tour - SR5 / ST5

1: Input connector - The input device is connected here. The ST5 is supplied with either

a lavaliere, headset microphone or heavy-duty instrument cable terminating with a 1/4"

plug, which are all connected to the transmitter via a locking 3.5mm mini-phone jack.

2: Battery level meter - This set of three multicolor LEDs indicates relative battery

power, indicating whether the installed battery is at low (red), mid (yellow) or high (green)

strength. One or more of these will light whenever the SR5 or ST5 is powered on (see #5

on the next page). When all three are lit, the battery is at maximum strength. When only

the red “low”indicator lights, RF performance is degraded and the battery needs to be

replaced.

3: Audio on-off switch - When set to the “on”position, audio signal is transmitted.

When set to the “off”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 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 #5 on the next page).

4: Battery door release - Press gently inwards on these two indents in order to open the

battery door of the ST5L or ST5 and access the Power on-off switch (see #5 on the next

page) and Gain control (see #6 on the next page).

123

AUDIO ON

LOW MID HIGH

BATTERY LEVEL

Guided Tour - SR5 / ST5

5: Power on-off switch* - Use this to turn the ST5 on or off (to conserve battery power,

be sure to leave it off when not in use).

6: Attenuation switch - The ST5 transmitter features a signal Attenuation switch that is

used to select the input level of “0dB”or “-15dB”. This Attenuation switch has been factory

preset to “0dB”providing the optimum level for most microphone and instrument input sig-

nals. If you are using a microphone or instrument with a high output signal, first try to

adjust the Gain control as described in the following section. If you cannot attenuate the

signal low enough using the Gain control, use the supplied plastic screwdriver (see #9

below) to turn the rotary Attenuation switch to the counter-clockwise position setting the

ST5 to “-15dB”level.

7: Gain control (trimpot) - This input gain control has been factory preset to a nominal

level so we recommend that this be adjusted only if your signal is too high, or too low. If

necessary, however, you can use the supplied plastic screwdriver (see #9 below) to raise

or lower the ST5 Gain control. See the “Setting Up and Using Your Stage 55 Series /

Stage 5 Series System”section on page 12 in this manual for more information.

8: Battery holder - Insert a standard 9-volt alkaline battery here, being sure to observe

the plus and minus polarity markings shown. We recommend the Duracell MN 1604 type

battery. Although rechargeable Ni-Cad batteries can be used, they do not supply adequate

current for more than four hours. WARNING: Do not insert the battery backwards; doing

so can cause severe damage to the ST5 and will void your warranty.

9: Plastic screwdriver - Specially designed for use in adjusting the ST5 Gain control (see

#7 above) and/or receiver Squelch control (see #4 on pages 5 and 7). See the “Setting Up

and Using Your Stage 55 Series / Stage 5 Series System”section on page 12 in this manu-

al for more information.

* Be sure to mute the audio signal at your external mixer or amplifier before turning

transmitter power on or off, or an audible pop may result.

SAMSON 9

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