AR-Alpha

Specifications    Prices

Wide-band receiver with triple-conversion and digital architecture in last IF. Receiving frequency range 0.01-3500 MHz, all-mode including analogic TV standards. High-performance radio set. Ideated in Japan, year of introduction 2006.

Reference market : professional / amateur-radio

AR-Alpha specifications

General
Frequency coverage
0.0100 ~ 3500.0000 MHz
Mode
CW / LSB / USB / ISB / RZ-SSB / AM / AM-S / FM / WFM / P25 / NTSC, PAL, SECAM
Tuning step
1 / 10 / 50 / 100 / 500Hz / 1 / 5 / 6.25 / 9 / 10 / 12.5 / 20 / 25 / 30 / 50 / 100 / 500 KHz
Receiver
Sensitivity
AM5.0 uV (0.1~25 MHz, 10dB S/N)
2.3 uV (25~1030 MHz, 10dB S/N)
1.3 uV (1030~1696 MHz, 10dB S/N)
1.5 uV (1696~3300 MHz, 10dB S/N)
FM0.5 uV (25~480 MHz, 12dB SINAD)
0.8 uV (480~1696 MHz, 12dB SINAD)
1.5 uV (1696~3300 MHz, 12dB SINAD)
WFM (200KHz)1.3 uV (25~1696 MHz, 12dB SINAD)
1.5 uV (1696~3300 MHz, 12dB SINAD)
Selectivity
CW0.2 / 0.5 KHz (-3dB)
SSB1 / 3 KHz (-3dB)
AM6 KHz (-3dB)
FM15 / 30 KHz (-3dB)
WFM100 / 200 / 300 KHz (-3dB)
AGC (Automatic Gain Control)
Adjustable
Frequency stability
± 0.1ppm with temperature from 0°C a +50°C after 5' warm-up
IF (Intermediate Frequency)
755 MHz [1]
265 MHz [1]
10.7 MHz
0 MHz (zero-IF)
Features
Memory
2000 regular memories in 40 banks
5 VFO
Display
LCD 640 x 480 pixel, 16 cm diagonal
Antenna
SO239 50Ω
N 50Ω
Power supply
11 ~ 16 VDC external, 13.8 V nominal
Power consumption
2200 mA typ
650 mA squelch on, other function inactive
Audio output
Jack 6.35 mm headphone
Jack 3.5 mm external speaker
RCA stereo
I/Q output
1 MHz bandwidth
Connections
RS232C-9
Video
USB
Mechanical and environmental data
Operating temperature
from 0°C to +50°C
Dimensions
406 (W) x 130 (H) x 254 (D) mm
Weight
8.5kg

  1. 1° IF frequencies correlated to specific band segments.
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AR-Alpha description :

The AR-Alpha is a conventional receiver with regard to the frequency conversion structure while it is digital in the last IF (zero-IF) for the filtering, demodulation and signal processing. In addition to conventional SSB / AM / FM modes this AOR radio set can display analogue TV signals in NTSC, PAL and SECAM formats. Added to these are the peculiarities of P25 digital reception, the SDB (sideband diversity) or the reception and comparison of the both side-bands of an AM emission, the RZ-SSB (Real Zero SSB) experienced by amateur radio operators. It is also possible to receive digital QAM / GMSK emissions. Through the USB port this data with a speed up to 1 Mb/second is transferred to a computer in the I/Q components (in-phase and quadrature) in order to process them with software dedicated as well for memorize them. A digital audio recorder moreover allows you to keep track of the radio traffic you listened up to 52 minutes for 6 channels.

A spectrum analyzer in FFT technology, purely digital and in real time - not the result of a linear frequency scan, shown on the color LCD display with a dynamic greater than 90 dB. Other features: IF filter bandwidth selection, CW pitch-control, noise-blank, DNR, auto-notch, automatic frequency control in FM mode, RF attenuator, selectable AGC time constant, squelch, DTMF / CTCSS / DCS decoder, frequency-inversion scrambler decoder. Multiple search options: between band limits, within the memories, on a priority channel. The scan can be done in Search mode or FFT. The former is conventional, where among the frequencies identified it is possible to transfer to the relevant VFO the one of interest. The second one allows to establish also the intensity beyond which the signals will be searched. This mode is faster, with 40 MHz scans that can be obtained in a few seconds.

The AR-Alpha receiver offers professional performance even for the high frequency stability, marker management in spectrum analysis, unattended datalogging. Standard 19" 4U rack mounting with appropriate fins already provided (shown in upper image ).

AR-Alpha price

We have collected for your convenience the Aor AR-Alpha sale price (Euro) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price Date Condition
EUR 8959.95
(7699GBP)
2021-oct Brand-new
EUR 8829.90
(7699GBP)
2018-oct Brand-new
EUR 9809.90
(11499USD)
2018-oct Brand-new

After coupons and promotions

EUR 10490.00
(12295USD)
2018-oct Brand-new

With new IQ control software

AR-Alpha review

Sensitivity
Selectivity
Dynamic range
Spurious response
Audio
Signal functions
Control functions
User friendly
Stars: 1=insufficient | 2=just sufficient | 3=mediocre | 4=good | 5=excellent


Your opinion on merits, defects, experiences, with this radio set is welcome. Write your review, after a technical evaluation by our staff if found suitable will be published on this page. We thank you for your precious contribution.

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