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FM TRANSMITTERS
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PTX30DDS

COD. PTX30DDS

Potencia: 30W

PTX30DDS

30W Compact DDS stereo transmitter.

FEATURES

PTXDDS is the ultimate digital evolution of the most sold professional FM transmitter world-wide!

AUDIO PERFORMANCE: clear and transparent sound comparable to CD sound quality made possibile thanks to a noise/signal ratio as high as 90dB, low distortion and stereo separation as high as 70dB!

PRIMARY APPLICATION: optimal for use as an independent exciter. Adjustable power output from 0 to 100%.

AUDIO FEATURE: incorporated a board with DSP for isofrequency applications (SFN) and a limiter on audio (ITU) to ensure controlled emissions in the spectrum, created COMPLETELY DIGITAL and free from mechanical disturbances.

AUDIO RESCUER: integrated, the established timing and priority of all audio inputs (Analog-Digital-MPX) are programmable.

INTERFACE CONTROL: totally microprocessor-controlled, easily programmed from menu through a large LCD and useful optical ENCODER.

INPUT/OUTPUT INTERFACE: built-in high-performance stereo coder, L&R analogue audio inputs, Mono inputs, MPX composite signal and auxiliary inputs for SCA / RDS signals. S/PDIF, TOSLINK, AES/EBU digital audio inputs are available as standard.

REMOTE CONTROL: built-in telemetry system via GSM modem, battery and battery charger or via WEB or via SNMP (option).

RELIABILITY/CONTINUITY: business continuity is guaranteed by an incredible range and variety of controls, such as Fold-Back control for effective VSRW (Voltage Standing Wave Ratio) protection and IAMLC (Intelligent Automatic Modulation Level Control) to keep modulation level steady.

RDS APPLICATION: built-in digital RDS encoder with UECP standard functions.

EASE OF MAINTENANCE: advanced module engineering ensures extreme of access and simple maintenance.

REGULATORY COMPLIANCE: state-of-the-art technology in full compliance with EC, FCC and CCIR standards.










PTX30DDS
Parameters U.M.ValueNotes
GENERALS
Frequency range MHz87.5 ÷ 108 
Rated output power W30Continuously adjustable from 10 to 100%
Modulation type  Direct Digital Synthesis 
Operational mode  Mono, Stereo, MPX 
Working temperature °C-5 to +50 
Working humidity %95Without condensing
Working altitude mtUp to 3000 ** With adequate air evacuation system in site
Frequency setting kHz1, 10, 100 , 1000Steps
Frequency stabilityTemperature range from -5°C to 50°Cppm±1 
Modulation capabilityRefered @ 0dBu for 75kHzkHz150Meets or exceeds all FCC and CCIR rules
Pre-emphasis µs0, 50 (CCIR), 75 (FCC)Selectable
POWER REQUIREMENTS
AC Power inputAC Supply VoltageVAC115 / 230 ±15%Internal switch
 AC Apparent Power ConsumptionVA280 
 Active Power Consumption W160 
 Power Factor 0,57 
 Overall Efficiency%Typical 18 
 Connector VDE IEC Standard 
MECHANICAL DIMENSIONS
Phisical dimensionsFront panel widthmm / inch483  /  19EIA rack
 Front panel heightmm / inch88  /  3 1/22HE
 Overall depthmm400 
 Chassis depthmm389 
Weight kgApprox. 10 
Cooling  Forced, with internal fan 
Acoustic noise dBA< 56 
AUDIO INPUTS
LeftConnector XLR F 
 Type Balanced 
 ImpedanceOhm10 k or 600 
 Input Level, Adjustment RangedBu-12.5 to +12.50.1 dB step adjustable
RightConnector XLR F 
 Type Balanced 
 Impedance 10 k or 600 
 Input Level, Adjustment Range -12.5 to +12.50.1 dB step adjustable
MPXConnector BNC 
 Type Unbalanced 
 ImpedanceOhm10 k 
 Input Level, Adjustment RangedB-12.5 to +12.50.1 dB step adjustable
SCA/RDSConnector 2 x BNC 
 Type Unbalanced 
 ImpedanceOhm10 k 
 Input Level, Adjustment RangedBu-17 to -400.5 dB step adjustable
AES/EBU (option)Connector XLR F 
 Type Balanced 
 ImpedanceOhm110 
TOS/Link (option)Connector TOSLINK 
 Type Optical 
OUTPUTS 
RF OutputConnector N type 
 ImpedanceOhm50 
RF MonitorConnector BNC 
 ImpedanceOhm50 
 Output LeveldBApprox. -30 
Pilot outputConnector BNC 
 ImpedanceOhm>600 
 Output LevelVpp2.2Sinusoidal
 Output Level, Adjustment RangedBu-12.5 to +5; | or -6.5 to +11; |
or -0.5 to 17
0.1 dB step adjustable;  |  internal jumper to increase the output level of +6dBu;  |  internal jumper to increase the output level of +12dBu;
MPX MonitorConnector BNC 
 ImpedanceOhm>600  
 Output Level Adjustment RangedBu-12.5 to +5;  |
or -6.5 to +11; |
or -0.5 to 17
0.1 dB step adjustable, @ ±75 kHz peak FM;  |
internally adjustable +6dBu by jumper;  |
internally adjustable +12dBu by jumper; 
FUSES
On mains  1 External fuse F 6,3 AT - 5x20 mm 
On services  X 
On PA Supply  X 
On driver supply  X 


The image of this layout is purely demonstrative and may change without notice.





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  • PTX30DDS
    30W Compact DDS stereo transmitter.

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