Kenwood TS-590SG
Key Specifications
- Bands
- 160m–6m (HF + 50 MHz)
- Power
- 100W SSB/CW/FM/FSK, 25W AM
- Frequency Range
- Rx 0.13–30 MHz & 50–54 MHz; VFO 30 kHz–60 MHz
- Receiver
- Double/Triple Superheterodyne + 32-bit IF DSP
- MSRP (USD)
- $1,999
- Type
- hf transceiver
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The Kenwood TS-590SG succeeds the TS-590S with improved receiver adjacent-channel performance, refined IF DSP AGC, quieter cooling fans, and the natural Kenwood transmit audio that phone operators praise without extensive menu EQ. In 2026 used-market pricing, the TS-590SG frequently appears in the same conversations as the Icom IC-7300 and Yaesu FT-891 — a third credible Japanese option for General-class HF buyers who prioritize audio quality and traditional operating ergonomics over waterfall-centric SDR interfaces.
Overview
Kenwood positioned the TS-590SG as a high-performance HF and 6-meter base station for DXers and daily operators who want 100 watts, built-in antenna tuning, and robust DSP without flagship pricing. The receiver covers 0.13–30 MHz and 50–54 MHz with continuous VFO tuning from 30 kHz to 60 MHz — useful for SWL segments and band-edge monitoring.
Dual superheterodyne architecture on HF and triple conversion on FM deliver strong real-world sensitivity. Kenwood's 32-bit IF DSP provides noise reduction, notch filtering, and configurable bandwidth per mode. A built-in automatic antenna tuner operates on receive and covers 160 meters through 6 meters — a practical advantage when switching between wire antennas across bands.
The TS-590SG lacks the IC-7300's color spectrum display and the IC-7610's dual receivers. What it offers instead is Kenwood's reputation for approachable front-panel operation, dependable RF performance, and transmit audio that sounds good on phone nets without sounding processed.
Specifications
| Specification | Detail |
|---|---|
| Frequency coverage (Rx) | 0.13–30 MHz, 50–54 MHz (VFO 30 kHz–60 MHz) |
| Frequency coverage (Tx) | 160m–6m amateur bands |
| Modes | SSB, CW, AM, FM, FSK |
| Output power | 5–100W (SSB/CW/FM/FSK), 5–25W (AM) |
| Receiver architecture | Double superhet (HF), triple superhet (FM) |
| DSP | 32-bit IF DSP NR, notch, multi-filter |
| Antenna tuner | Built-in (16.7–150 Ω, 160m–6m) |
| Memory channels | 100 with alpha tags |
| Connectivity | USB audio, RS-232C |
| Power supply | 13.8 V DC ±15% |
| Current drain | Rx ~1.5A, Tx max 20.5A |
| Dimensions | 270 × 96 × 291 mm |
| Weight | 7.4 kg (16.3 lb) |
Operating Notes
Phone operators often choose the TS-590SG for transmit audio character — reports tend toward natural and warm compared to more clinical SDR rigs. CW and digital operators benefit from narrow DSP filters and the optional CW decoder. USB audio simplifies Winlink, FT8, and logging integration without separate sound card interfaces.
The built-in tuner tunes while receiving — helpful when evaluating wire antenna changes across bands during setup sessions. Cooling fans run quieter than the TS-590S generation, a meaningful improvement for shack-adjacent installations.
Used buyers should verify firmware version, test all bands and modes they plan to use, and confirm included accessories (microphone, power cable, manuals). The TS-590SG holds resale value well when maintained — see vintage Japanese radio values for broader collector context on Kenwood heritage.
Who It's For
The TS-590SG suits HF phone operators, Kenwood ecosystem loyalists, and buyers who want built-in tuning and 100 watts without IC-7610 or TS-890S flagship cost. It appears throughout our best HF transceiver under $1,000 guide as a used-market champion when priced appropriately.
Less ideal for operators who require dual independent receivers, large touchscreen spectrum displays, or ultralight portable operation. VHF/UHF mobile needs belong to rigs like the Kenwood TM-D710GA.
Related Reading
- Kenwood TS-890S — Kenwood flagship HF step-up
- Icom IC-7300 — SDR touchscreen alternative
- Yaesu FT-891 — compact Yaesu 100W option
- Yaesu vs Icom vs Kenwood — brand comparison
- Kenwood brand page — full Kenwood coverage
Kenwood's TS-series tradition lives in the TS-590SG — a workhorse Japanese HF transceiver built for operators who judge a radio by how it sounds on Sunday morning nets.