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Cobalt C10-I

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Description

Housed in a rugged, Industrial chassis – the Cobalt C10-I is designed for demanding environments, in an ultra -compact form that is designed to be mounted in various ways.

The Cobalt C10-I Transmitter has the same, superior audio quality and sound clarity of all other Cobalt Transmitters, which is a result of its Direct to Channel Digital technology. The Cobalt C10-I does away with the Screen and front panel controls, and is setup and controlled via its web-remote, on either WiFi or LAN.

Running on a fully customised LINUX OS system, the Cobalt C10-I has a low distortion modulator. Inputs and outputs include Analog, AES/EBU, Digital MPX (AES192), Ethernet, USB, GPIO, GPS Sync with built in SFN capabilities.

The amazing market beating sound will let you stand out with it’s built-in 4 band Audio Processor with includes Bass enhancement, Pilot protection, Wide AGC and a whole bunch of expertly designed modern presets, so you sound great right from the start.

The advanced communication package with Intuitive web interface and remote control via Ethernet (https) lets you make changes or monitor the COBALT C10-I Transmitter. Full SNMP Version 3 management and the ability to send emails, alerts and monitor audio remotely gives you added confidence knowing you have full control from anywhere in the world on any device with a Web browser.

Easy access to all components and software controlled variable fan speed, will guarantee you low cost of maintenance .

The highest AC efficiency, a compact design and reduced weight mean low cost of transportation and far the lowest total cost of ownership in it‘s class.

Features:

  • 4 Band Audio Processing
  • Dynamic, UECP Compliant RDS Encoder
  • Direct to Digital Synthesized modulation
  • Digital MPX Encoder
  • MPX Power Limiter
  • Linux OS
  • Ethernet Control and SNMP
  • GPS Sync
  • Standard Auxiliary DC power input

Technical Specifications:

General

Output Power (W) 15
Range (W) 0.1-15
RF Output connector N-Type (Female)
Input ACV @ 50/60Hz 100-240 (277 North America only)
Power Connector IEC 13A filtered
Power consumption ~50W @ max power
AC-RF efficiency typ ~30%
Temperature controlled fan 1
Power supplies 1
Dimensions WxDxH (cm) 16.6 x 31.2 x 13.2
Weight 3.7kg

Modulator

Transmitter type Solid-state FM Stereo transmitter
Modulator Direct-to-channel (DDS)
RF Output Frequency Range VHF Band II, 87-108MHz
RF Frequency Steps 100kHz
Frequency Stability ±1 ppm or ±150Hz in 0-50⁰C range with internal 10MHz clock reference
FM Modulation Range Capability 75kHz default, 100% modulation user adjustable up to 105kHz 140%), maximum 300kHz

RF

Power Stability ≤ ± 0.25dB
Asynchronous/AM noise ≤ -60dB
Synchronous AM s/n ratio ≤ -60dB
RF Harmonic and Spurious Suppression Meets ETSI requirements
VSWR operation Fully protected against gradual or sudden VSWR conditions.
Proportional power reduction from VSWR 1.5:1

Stereo Encoder

Performance 400Hz/1kHz test tones at modulation level ≤75kHz
Modes Stereo, Mono L+R, Mono L, Mono R
Frequency response 20Hz – 15kHz ±0.02dB
Pre-emphasis 0, 50 or 75µs
Pilot tone 19kHz, adjustable level 0-12%
Subcarriers suppression ≤ -70dB
Stereo separation ≥75dB AES/EBU input, ≥70dB Analogue input
Stereo SNR ≥80dB with 75us de-emphasis, ≥75dB without de-emphasis, both inputs
Stereo THD+N <0.03%
Crosstalk ≥70dB, between L+R and L-R due to channel matching, both inputs

Audio Inputs

Analogue 2 x XLR female, 10kΩ impedance, level adjustable 0-24dBu
Digital 24dBu AES/EBU via RJ45 per StudioHUB+, level adjustable -20-0dBFS, sampling rates 32-192 kHz

RDS Generator

Type Fully Dynamic RDS/RDS2/RBDS Generator
Protocols ASCII commands, UECP protocol and X-Command Multi-port architecture
Ports UART over USB-B & Ethernet

Communication & Control

10MHz input BNC, 50Ω terminated
1PPS input BNC, 50Ω terminated
RF sample output SMA, 50Ω, -30dBc
UART over USB USB-B, system control
USB 2 x USB-A, storage & FW upgrade
Ethernet 1 x RJ45
RS232 DB25 shared connector, system control
GPIO DB25 shared connector, 8 x output & 8 x input, all optically isolated.
Interlock/RF Mute DB25 shared connector
Analogue voltage output DB25 shared connector, 4-channel 0-5V range

Environmental

Altitude 15,000 ft / 4,420m AMSL
Temperature range 0 to +45ºC working. -10 to +50ºC storage
Humidity 95% @ 35ºC, non-condensing