Also known as: TS-590SG, TS-590
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The Kenwood TS-590SG is the radio you buy with your ears instead of your eyes: legendary close-in receiver dynamic range — long a top performer on the Sherwood table — and best-in-class QSK full break-in CW, in a 100 W HF/6m package that has been Kenwood’s mid-range workhorse since 2014.1 What it doesn’t have is a spectrum scope on the radio, and at around $1,840 that’s the whole argument, both ways.
Key takeaways The CW operator’s and contester’s pick. Down-conversion receiver with narrow roofing filters on the crowded bands = elite close-in dynamic range; QSK break-in that CW operators call the best made; rock-solid reliability; a dedicated RX antenna input. No built-in scope or waterfall — a PC runs the free ARCP-590G scope, but in the SDR era that’s the deal-breaker for many at ~$1,840. Part 97 license to transmit; none to listen. See the full rankings in best ham radio base stations.
Overview
The TS-590SG is the 2014 refresh of the 2010 TS-590S, and in 2026 it’s still Kenwood’s only current mid-range HF base — a long production run that tells you how right they got the fundamentals. On the crowded bands (160/80/40/20/15 m in narrow modes) it switches to a down-conversion superheterodyne architecture: an 11.374 MHz first IF with 500 Hz and 2.7 kHz roofing filters doing real selection before the 32-bit DSP. That’s the same design philosophy that makes the FTDX10 measure so well, and it’s why a weekend-contest 40 m, wall-to-wall with kilowatts, stays copyable on this radio when cheaper front ends fold.
The catch is the front panel: a conventional segmented LCD, no scope, no waterfall. Kenwood’s free ARCP-590G software draws a scope on a connected PC, but there is no panadapter in the box. The community’s verdict has been stable for a decade: buy it for CW and contesting; skip it if you want to see the band. We agree.
License note: transmitting requires an FCC amateur license (Part 97, Technician minimum; General for most HF). Listening — on this or any receiver — requires none.
Bands, modes & power
- TX: 160–6 m, 100 W, SSB, CW, FSK, AM, FM.
- RX: 0.13–30 MHz general coverage plus 50–54 MHz.
- Receiver: down-conversion superhet with 500 Hz/2.7 kHz roofing filters on the contest bands (up-conversion elsewhere), 32-bit IF DSP, dedicated RX antenna input — a port the IC-7300 and FTDX10 both lack.
- Tuner: built-in ATU. CW: full QSK break-in, widely called the best in any current radio.
- I/O: USB audio + CAT, a real COM port for legacy station gear. 13.8 V DC at ~20.5 A.
What owners praise and gripe about
Praise: the receiver, the QSK, clean transmit audio, and a reliability record that borders on boring. Gripes: the dated two-line display and austere UI, audio from a small top-firing speaker, and — above all — no panadapter at a price where every SDR competitor ships one. Nothing on the gripe list touches performance; all of it touches experience.
Value math worth running: used TS-590SGs go for $1,100–1,300, and the older TS-590S — the 2010 original this radio refines — sells for less still while keeping the same fundamental receiver design. For a CW operator on a budget, a used 590S is one of the quiet bargains of the hobby; for everyone else, the gap between a used SG and a new one is small enough that the warranty usually wins.
Programming & software
Kenwood’s PC ecosystem is free and genuinely good: ARCP-590G for control and the PC scope, ARHP-590G for remote operation over a network. USB carries CAT and audio for WSJT-X and FT8. CHIRP has live-mode Kenwood support that covers the TS-590 family — though verify the current CHIRP-next model list before counting on it; in practice HF operators here live in ARCP, N1MM, and RT Systems anyway. Amazon carries only accessories for this radio (our button is a tagged search); buy the radio itself from a ham dealer.
GopherTrunk alternative
GopherTrunk is receive-only and won’t key a transmitter — it complements a TS-590SG rather than replacing it. Before you spend $1,840, a ~$30 RTL-SDR running free GopherTrunk tells you what’s active locally and records/logs everything it hears, which no transceiver does. And after you buy: an SDR makes a fine panadapter-adjacent band monitor for exactly the scope this radio lacks. Hardware picks: best SDR for GopherTrunk and, for HF listening specifically, best HF SDR.
Who it’s for
- Buy the TS-590SG if you’re a CW operator or contester who values dynamic range, QSK, and an RX antenna port over a waterfall. View on Amazon →
- Buy the FTDX10 for comparable receiver performance with a modern touchscreen scope at a similar price, or the IC-7300 for less money and the best UI.
- Nostalgic for big Kenwood iron? The vintage TS-940S is the classic-station route. Rankings: best ham radio base stations.
Sources
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Kenwood TS-590SG product page — JVCKENWOOD USA, on the down-conversion receiver with 500 Hz/2.7 kHz roofing filters, 32-bit IF DSP, band coverage, built-in ATU, RX antenna input, and the ARCP-590G/ARHP-590G software. ↩
Frequently asked questions
Is the Kenwood TS-590SG still worth buying in 2026?
For CW operators and contesters, absolutely — its close-in dynamic range has been a top Sherwood performer for years and its QSK full break-in is best in class. For everyone else, the missing built-in spectrum scope is the deal-breaker at this price: an IC-7300 costs less and shows you the band.
Does the TS-590SG have a spectrum scope or waterfall?
Not on the radio — it has a conventional segmented LCD. Kenwood’s free ARCP-590G software puts a scope on a connected PC, but there is no built-in panadapter. That’s the single biggest reason buyers pass on an otherwise superb receiver.
What's the difference between the TS-590S and TS-590SG?
The SG is the 2014 refresh of the 2010 TS-590S — improved local oscillator and refinements throughout. The SG is the one still in production; used TS-590S units sell for less and remain excellent CW radios.
Why isn't the TS-590SG sold directly on Amazon?
Amazon carries accessories for it (manuals, cables) but not the radio itself under a confirmed listing — our button is a tagged search. The reliable sources are the major ham dealers (DX Engineering, R&L, GigaParts and the like).
Do I need a license for the TS-590SG?
To transmit, yes — an FCC amateur license under Part 97, Technician class minimum (General for most of HF). Listening needs no license; its general-coverage receiver tunes 130 kHz–30 MHz plus 6 meters.