Nevada Radio

Alinco DX-SR9

100w HF transceiver with SDR output





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Alinco DX-SR9

The SDR system in the new DX-SR9 consists of I/O signal output and a mixer circuit. It requires a high quality sound device (internal or USB interface) and PC specifications as follows:-

     Features :
  • General coverage receiver 150kHz -30MHz
  • All modes AM/FM/CW/LSB/USB and SDR
  • Internal VOX eliminates optional interface box for PC connection
  • Rugged, die-cast chassis and huge LCD display
  • Front mounted speaker and powerful 2w audio output
  • Front and rear jacks make PC interface easy
  • Narrow ceramic filters (500Hz CW / 2.4kHz AM / 1kHz SSB)
  • Audio filtering and optional mechanical filter insertion capabilities
  • Dual VFO's, 3 banks/600 memory channels
  • Various scanning mode features including programmed search
  • IF shift, RIT, Noise blanker, 4 level pre-amp/attenuator
  • Auto-power off, sleep timer, dial/key locks, indicator illumination
  • Easy to use computer software to manage settings and edit memories etc.

Specifications :-

  • Operating Modes - J3E (LSB/USB), A3E (AM), A1A (CW), F3E (FM)
  • Memory channels - 600 channels simplex
  • Antenna impedance - 50 ohms unbalanced
  • Frequency stability - +/- 1ppm
  • Power requirement - 13.8v DC +/-15% (11.7-15.8v)
  • Ground method - negative ground
  • Current drain - Receive 1.0A (max)  /  Transmit 20A
  • Operating temperature -  -10C to 60C
  • Dimensions - 240 x 94 x 255mm  WHD (projections not included)
  • Weight - approx 4.1kg
  • Transmitter - power output SSB, CW. FM 100/10/1w (QRP) / AM 40/4/0.4w
  • Modulation system - SSB(balanced modulation) AM(low power modulation)      
  • FM (reactance modulation)
  • Spurious emissions - Less than -50db (less than -45db in 30m band)
  • Carrier suppression - more than 40db
  • Unwanted sideband - more than 50db (1kHz)
  • Maximum FM deviation  - +/- 2.5kHz
  • Receiver type - double conversion superheterodyne
  • Sensitivity - SSB (0.15 to 1.8MHz) - 0dBu (1uV)
  • Sensitivity - CW (1.8 to 30MHz) - -12dBu(0.25uV)
  • Sensitivity - AM (0.15-1.8MHz)  +20dBu(10uV) / (1.8 to30MHz) +6dBu(0.5uV)
  • Intermediate frequency - 1st  71.75MHz  /  2nd  455kHz
  • Selectivity - CW, SSB (narrow) 1kHz/-6dB   3kHz/-60dB
  • Selectivity - SSB,AM (narrow) 2.4kHz/-6dB   4.5kHz/-60dB
  • Selectivity - AM/FM  9kHz/-6dB   20kHz/-50dB
  • Spurious and image rejection ratio - more than 70dB
  • Audio output power - more than 2.0watts (8ohms, 10%THD)
  • RIT variable range - +/- 1.2kHz 

Computer Requirements: 

Windows Vista or 7 
CPU:Intel Core i5 2.4 GHz equivalent or faster 
Memory: 2GByte or more 
Display resolution/color: 1024x768pixel A32bit or more 
Sound device: 48 kHz 16bit sampling, capable of stereo record/replay (Tested with Creative Sound Blaster series) 
Mouse: Centre wheel and High-speed scroll feature 
Cables: A pair of commonly available audio cables with 3.5mm stereo-plug 
PC Speaker, PC microphone or headset (with microphone)

Download free "KG-TRX" SDR software from 
Programming cable ERW-4C or ERW-7 is required for SDR operation. 
Alinco suggest reviewing the free SDR software available before buying this radio.

The Alinco DX-SR9 radio is supplied with EMS-64 Hand Microphone, Microphone Clip, DC power cable and printed owners manual.  

Optional Accessories :-

  • EDX-2  Automatic long wire antenna tuner
  • EDS-17 Front control remote kit (5m cable,front panel bracket, unit cover/hardware)
  • EMS-14 Desktop microphone
  • DM-330MW UK MKII power supply
  • ERW-7  PC Interface cable (USB)
  • ERW-4C PC Interface cable (serial)


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