Elecraft K3S vs Icom IC-7610
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Elecraft K3S or Icom IC-7610? I put both radios side by side: data from the manufacturers’ spec sheets and photos at the same scale. Elecraft K3S comes out better for transmit current draw, weight and memory channels; Icom IC-7610 for AM power, the second receiver, spectrum scope and waterfall, antenna tuner, LAN / remote control and SD card.
ElecraftK3S
HF · 6 m100 Wtuner3.8 kgdiscontinued
IcomIC-7610
HF · 6 m100 Wtuner8.8 kg
Specs side by side
| ElecraftK3S▲ 3 | IcomIC-7610▲ 6 | |
|---|---|---|
| Bands and modes | ||
| Transmit bands | HF 1.8–29.7 MHz50–52 MHz | HF 1.8–29.7 MHz50–52 MHz |
| Receive range | 0.1–30 · 44–54 MHz | 0.03–60 MHz |
| Modes | SSBCWAMFMRTTYPSK | SSBCWRTTYPSKAMFM |
| Transmit power | ||
| HF | 100 W | 100 W |
| 50 MHz (6 m) | 100 W | 100 W |
| AM | no data | 25 W ▲ |
| Receiver | ||
| Construction | down-conversion superhet (1st IF 8.215 MHz), up to 5 crystal roofing filters (from 200 Hz), DSP at the 2nd IF (15 kHz) | SDR, direct RF sampling (2 A/D converters) |
| Second receiver | — | yes — two independent receivers MAIN/SUB |
| Spectrum and waterfall | — | dual spectrum + waterfall, I/Q output |
| Features | ||
| Antenna tuner | internal KAT3A option, up to 10:1 SWR | HF + 6 m, up to SWR 3:1 |
| Display | segmented LCD, backlit | 7″ colour touchscreen, 800×480; DVI-D output |
| LAN / remote operation | — | built-in LAN, RS-BA1 without a PC |
| USB | USB-B: CAT + audio; RS-232 (RJ-45) | USB-B: CAT + audio, USB-B: I/Q, USB-A on the front |
| SD card | — | |
| Antenna connectors | 1× SO-239 (2× with KAT3A) + RX ANT, XVTR (BNC) | 2× SO-239 + RX input/output (BNC) |
| Power and case | ||
| Power | 13.8 V DC, external power supply | 13.8 V DC, external power supply |
| Transmit current draw | 22 A ▲ | 23 A |
| Dimensions | 272 × 102 × 254 mmwidth × height × depth | 340 × 118 × 277 mmw × h × d |
| Weight | 3.8 kg ▲ | 8.8 kg |
| Other | ||
| Memory channels | 100 ▲ | 99 |
| Release | 2015discontinued | 2016 |
Data: manufacturers’ spec sheets and manuals · as of 31.10.2026
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