Instrumentation Technology Systems 6152A Manuel utilisateur

OPERATION MANUAL

MODEL 6152A

SPEAKER LIGHT BOX

Revised

September 23, 2008

19360 Business Center Drive ●Northridge CA ●91324 ●(818) 886-2034 ●FAX (818) 886-7573

MODEL 6152A

SPEAKER LIGHT BOX

TABLE OF CONTENTS

Paragraph Description Page

1.0 GENERAL ...................................................................................................................1

2.0 FUNCTIONS............................................................................................................... 2

2.1 STEREO SPEAKER SET .......................................................................................... 2

2.2 LIGHTING.................................................................................................................. 2

3.0 MECHANICAL CONFIGURATION.........................................................................3

4.0 CONTROLS, INDICATORS, AND CONNECTORS.............................................. 4

4.1 Power ON/OFF............................................................................................................ 4

4.2 Volume ........................................................................................................................ 4

4.3 Balance ........................................................................................................................ 4

4.4 Mix............................................................................................................................... 4

4.5 Lamp Intensity............................................................................................................. 4

4.6 Front Lamp ON/OFF................................................................................................... 4

4.7 Rear Lamp ON/OFF.................................................................................................... 4

4.8 RCA (Right and Left).................................................................................................. 4

4.9 XLR (Right and Left).................................................................................................. 4

4.10 Power........................................................................................................................... 4

5.0 SPECIFICATIONS......................................................................................................5

5.1 RCA Inputs...................................................................................................................5

5.2 XLR Inputs...................................................................................................................5

5.3 Volume Range..............................................................................................................5

5.4 Balance Range..............................................................................................................5

5.5 Mix Range ....................................................................................................................5

5.6 Audio Output................................................................................................................5

5.7 Lamps ...........................................................................................................................5

5.8 Package and Environment............................................................................................5

5.9 humidity........................................................................................................................5

5.10 Power Input...................................................................................................................5

MODEL 6152A

SPEAKER LIGHT BOX

1.0 GENERAL

The ITS Model 6152A Speaker Light Box is a dual function unit which provides a powered

speaker set with dual stereo inputs and a pair of high intensity halogen lights for work space

and maintenance illumination. The 6152A differs from the 6152 in that the lamp on the

front panel includes a three inch extension.

Also included is a mixer, which allows distribution of the signals from the two stereo inputs

to the audio amplifier.

The unit is housed on a 3.5 inch x 19-inch rack mountable enclosure and is powered by

115VAC line or alternatively 230VAC (6152A-1).

2.0 FUNCTIONS

2.1 STEREO SPEAKER SET

The unit contains a pair of front panel mounted oval speakers, one each for the left and right

channels; three front panel adjustment pots, one each for volume, balance, and mix; and

four rear panel input jacks, one each for right and left inputs for XLR and RCA,

respectively. The speakers are driven via the audio PCB 1412267, which also contains the

mixer and audio controls. The volume control adjusts the common gain voltage to both

channels. The balance control adjusts the relative levels of audio between the right and left

channels. The mix control adjusts the relative levels of audio between the RCA and the

XLR inputs. The RCA inputs are unbalanced and are typically supplied from a computer

with output levels of approximately 0dbm. The XLR inputs are balanced and are typically

supplied from a VCR, DTR or PA audio systems.

2.2 LIGHTING

The 6152A contains a pair of high intensity halogen lamps; one mounted on the front panel

and used for console illumination; the other mounted on the rear panel used for

maintenance. The front panel lamp can be swiveled to any direction, limited only by the

interference with other front panel controls, and the intensity is adjustable between zero and

20 watts output via a front panel adjustment pot. This lamp is typically used to illuminate

the console operator's work area. The rear panel lamp is a fixed intensity 20 watt lamp with

on/off button. This lamp has an integral clamp and coil cord, and is typically used by the

maintenance technician for working inside or behind the console rack.

3.0 MECHANICAL CONFIGURATION

The 6152A is housed in a 3.5 inch high x 19 inch wide x 8.5 inch deep rack mountable

sheet metal cabinet. Al circuitry is on two printed circuit assemblies.

All operator adjustments are located on the front panel. All connectors are mounted on the

rear panel.

FUSE

MODEL 6152

SPEAKER/LIGHT BOX

100-250VAC

FRONT PANEL

REAR PANEL

RIGHT

LAMP INTENSITY MIX

BALANCE

VOLUME

Model

Serial

Code

instrumentaton

technology

systems 6152

LEFT

RCA

XLR

Bracket to

recieve included

clamp-on Trouble

light

Cord outlet for

Trouble light

4.0 CONTROLS, INDICATORS, AND CONNECTORS

4.1 Power ON/OFF Rocker Switch -

Controls Line power input. Illuminated when power is ON.

4.2 Volume Rotary Potentiometer -

Adjusts the loudspeaker volume for both right and left audio

channels.

4.3 Balance Rotary Potentiometer -

Adjusts the volume ratio between the right and left audio

channels.

4.4 Mix Rotary Potentiometer -

Adjusts the volume ratio between the RCA and the XLR

inputs.

4.5 Lamp Intensity Rotary Potentiometer -

Adjusts the intensity of the front panel lamp.

4.6 Front Lamp ON/OFF Pushbutton switch -

Mounted on the rear of the front panel console lamp.

Alternately turns the lamp ON and OFF.

4.7 Rear Lamp ON/OFF Pushbutton switch -

Mounted on the rear of the rear panel maintenance lamp.

Alternately turns the lamp ON and OFF.

4.8 RCA (Right and Left) RCA Connectors -

Accept input for right and left channels from computer.

4.9 XLR (Right and Left) XLR Connectors -

Accept input for right and left channels from VCR or DTR.

4.10 Power 3 Pin Connector -

Receives detachable line cord.

5.0 SPECIFICATIONS

5.1 RCA Inputs Unbalanced inputs, 0dbm typical (1.8 volts rms max), 2K

ohm load.

5.2 XLR Inputs Balanced inputs. 0dbm typical (1.8 volts rms max), 620 ohm

load. Input on pins 2 and 3. Pin 1 chassis ground.

5.3 Volume Range 80db typical

5.4 Balance Range 40db typical

5.5 Mix Range 100db typical

5.6 Audio Output 3 watt output average rms per channel (5 watt peak rms).

5.7 Lamps 12V/20W Sunnex replacement part type 1220. Used for both

front and rear lamp assemblies. (Generic equivalent is

JC12V-20W/G4.)

5.8 Package and Environment

Size: Standard 19 inch rack, 3.5 inch panel, 8.5 inches deep.

Temperature: 0C to 50C ambient

5.9 Humidity: 85% non-condensing

5.10 Power Input 100-125VAC (6152A) or 195-245VAC (6152A-1), 50/60Hz,

8 watts typical with no lamps lit and no audio. Add 12 watts

for maximum audio. Add 27 watts (maximum intensity) for

front panel lamp. Add 20 watts for rear panel lamp.

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