Signet PDA200 Operation & Instruction Manual Download Page 8

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Page 8

Doc No. DCP0000487 JH 12/7/99 rev3

Inputs

Two - 5 pin 180

DIN

Balanced - electronically.
Mic or line selectable

Microphone

Impedance 200 Ohms - bal-
anced. 47 K Unbalanced
Sensitivity -66 dBm to -2dBm

Line

Impedance 10 K balanced; 20
K unbalanced
Sensitivity-20 dBm to + 22 dBm

Performance

Bandwidth At any output level -
20 Hz to 16 KHz - 1 dB
Distortion < 0.05% THD @ 1
KHz
Dynamic range >90 dB
Noise <-86 dB
CMRR >84 dB

Input level
control

Line: -

to +6 dB

Mic: -

to + 66 dB

X-Talk

5 Pin DIN
Link to PDA 200/800 or MA75

Compressor
out

5 Pin DIN 300 mV

Mains voltage

230 V AC ± 20%

Power
Consumption

PDA200 < 80 VA
PDA800 < 200 VA

Dimensions

Width 305 mm
Height 72 mm
Length 200 mm.

Specification

PDA 800 Output Drive current
Max peak

> 12 A

EBU PPM

> 10 A

Sine - 1KHz

> 4 A RMS

Loop coverage

> 400m

Loop impedance

0.2 to 2 ohms

PDA 200 Output Drive current
Max peak

> 8 A

EBU PPM

> 5.5 A

Sine - 1KHz

> 2.1 A RMS

Loop coverage

> 120m

Loop impedance

0.2 to 2 ohms

Specification

Summary of Contents for PDA200

Page 1: ...r efficiency and to correct the phase prob lems created by driving an inductor The PDA 200 and 800 have a wide range companding system to give a con stant output level for a varying input level This is particularly useful when dealing with fixed microphones used by people moving within the space around it the compander compensates for these changes in level A Compressor output is available to conn...

Page 2: ...EARTH symbol mark GREEN mark GREEN AND YELLOW mark Blue N mark BLACK mark BLUE mark Brown L mark RED mark BROWN mark Caution To prevent electric shock do not remove the cover Upon receipt of the amplifier shipment please inspect for any damage incurred in transit If damage is found please notify your local repre sentative and the transport company immedi ately State date nature of damage and wheth...

Page 3: ...plifier The peak line level of this signal should be approximately 1V 4 Ensure input levels controls and drive control are fully anti clockwise 5 Increase the input level controls until the limit LED is just flashing This indicates that the dynamic range processor is receiving a signal of the correct level The compression ratio is fixed at a ratio of 20 1 If you are using both inputs the level con...

Page 4: ...ntical outputs from the compressor This facility has been designed to allow recording of the compressed signal Pins 1 and 4 of the connector are internally linked and carry the same signal pin1 signal out pin4 signal out pin2 ground The X talk connections allow a a PDA in duction loop amplifier to be cross connected to a MA75 MA150 mixer amplifier so that all 8 inputs are mixed Both sets of contro...

Page 5: ...the same level as the receiver Vertical displacement If the loop is significantly higher or lower more than one to two metres than the receiver then the peak current required will be slightly higher Peak current calculation Refer to the current width graph to estab lish the required peak current The width of the loop is shown on the x axis The peak current is shown vertically on the y axis This is...

Page 6: ... metres Only use cable diameters recommened for each unit Speaker positioning If a speaker is placed near or beside a loop cable the cross over in the speaker may pick up the loop signal so try to keep speakers and loop cables as far apart as possible Normally this does not show up in use because loop and speaker have the same programme material only where the loop has a different signal to the sp...

Page 7: ... Note For a two storey building the same loop position on different floors is also 90 degrees out of phase Non rectangular rooms Layout as per a basic pattern and step back the prongs to the shape of the room Each pattern should be considered as a many pronged fork The pattern should be spaced approx 2m from nearest wall next pattern prongs of the fork should be spaced approx 2m apart and should b...

Page 8: ...amic range 90 dB Noise 86 dB CMRR 84 dB Input level control Line ì to 6 dB Mic ì to 66 dB X Talk 5 Pin DIN Link to PDA 200 800 or MA75 Compressor out 5 Pin DIN 300 mV Mains voltage 230 V AC 20 Power Consumption PDA200 80 VA PDA800 200 VA Dimensions Width 305 mm Height 72 mm Length 200 mm Specification PDA 800 Output Drive current Max peak 12 A EBU PPM 10 A Sine 1KHz 4 A RMS Loop coverage 400m 2 Lo...

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