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Alinco DX-70TH
Specifications

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Discontinued Amateur HF Transceivers 

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DX-70TH Specifications

GENERAL
Receiver Coverage 150 kHz - 30 MHz and 50 - 54 MHz
Transmit Coverage
160m 1.800 -   1.9999 MHz
80m   3.500 -   3.9999 MHz
40m   7.000 -   7.2999 MHz
30m 10.100 - 10.1499 MHz
20m 14.000 - 14.3499 MHz
17m 18.068 - 18.1679 MHz
15m 21.000 - 21.4499 MHz
12m 24.890 - 24.9899 MHz
10m 28.000 - 29.6999 MHz
  6m 50.000 - 53.9999 MHz
Operating Modes J3E (USB/LSB), A1A (CW), A3E (AM), F3E (FM)
Operating Temperature Range +14° to +140° F or -10° to +60°C
Frequency Stability ±10ppm -10° to +50°C
Antenna Impedance 50 ohms unbalanced
Power Requirement 13.8 VDC ± 15%
Memory Channels 100
Current Drain @ 13.8VDC Transmit 25 amps
Receive 1 amp
Dimensions (W, H, D) 7 x 2.25 x 9.2 inches (178 mm x 71 mm x 228 mm)
Weight 6 Lbs (2.7 kg)
TRANSMITTER
Output Power SSB, CW, FM: 100W Hi, 10W low
AM: 40W Hi, 4W low
Modulation System SSB - Balanced
AM - Low Power Modulation
FM- Reactance Modulation
Sideband Suppression More than 50 dB (@ 1 KHz)
Spurious Emission Less than -45 dB (10 MHz)
Less than -50 dB (1.8 - 30 MHz)
Less than -60 dB (50 - 54 MHz)
Carrier Suppression More than 40 dB
Microphone Impedance 2K Ohms
RECEIVER
Receiver System Dual-Conversion Superheterodyne
Sensitivity SSB, CW, FM: (0.5-1.8 MHz) 0 dbuV (1uV)
(1.8-30 MHz) -12 dbuV (0.25uV)
(50-54 MHz) -16 dbuV (0.15uV)
AM: (1 kHz, 30% modulation) (0.5-1.8 MHz) +20 dbuV (10uV)
(1.8-30 MHz) +6 dbuV (2uV)
(50-54 MHz) -10 dbuV (0.3uV)
FM: (28-30 MHz) -6 dbuV (0.5uV) @ 12db SINAD
(50-54 MHz) -10 dbuV (0.3uV)
Selectivity SSB, AM-Narrow: 2.4 kHz/-6 dB, 4.5 kHz/-60 dB
SSB-Narrow, CW-Standard: 1.0 kHz/-6 dB, 3.0 kHz/-60 dB
CW-Narrow: 0.5 kHz/-6 dB,
AM-Standard, FM: 9 kHz/-6 dB, 20 kHz/-50 dB
Intermediate Frequencies 1st IF: 71.75 MHz
2nd IF: 455 kHz
Spurious and image rejection ratio More than 70dB
Audio Output More than 2 Watts @8 ohms, 10% THD
  Specifications are subject to change without notice.


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