Elecraft K3 (Used Model)

100w transceiver with ATU

SKU: SHR12302 Category: Feature: Brand: Used Model

£1,995.00 inc VAT

Description

Second Hand Elecraft K3 (sn. 6659)

including ATU, Manual and cables - but no mic

K3 Specifications

GENERAL

  • Frequency Range: Main and Sub Receiver: 500 kHz - 30 MHz, 48-54 MHz. (Reduced sensitivity in region of 8.215 MHz IF. KBPF3 required for general coverage receive/transmit.) Transmitter: Amateur bands between 1.8 and 54 MHz. (Transmit limits vary by country.) MARS TX mod available.
  • Tuning Step Sizes: 1, 10, 20, and 50 Hz; per-mode coarse tuning of 1, 2.5, 5, 10 kHz, or user-selected rate. Direct keypad frequency entry in either MHz or kHz.
  • Memories: 100 general purpose, plus 4 per-band scratchpad memories (M1-M4).
  • Frequency Stability: +/- 5 ppm 0-50 C TCXO standard; +/- 0.5 ppm TCXO optional.
  • Antenna Impedance: 50 ohms nominal.
  • Antenna Connectors: SO-239 (2nd SO-239 antenna jack supplied with KAT3 ATU). BNC for RX antenna in/out (KXV3 Option).
  • Modes: USB, LSB, AM, FM, CW, and DATA. In DATA mode: Direct FSK, AFSK, or PSK31. Built in PSK31, RTTY, and CW text decode/display.
  • VFOs: Dual VFOs (A and B) with separate weighted tuning knobs.
  • Remote Control Port: EIA-232 standard DE-9F plus USB adapter option. Full control of all radio functions.
  • Audio I/O: PC line-level isolated TX/RX audio interface (stereo outputs); front and rear stereo headphone jacks; stereo speaker jacks.
  • Low Level Transverter Interface: 0 dBm typ.; BNC connectors (KXV3 Option).
  • Buffered IF output: BNC connector (KXV3 Option).
  • Other I/O: Key/Keyer/Computer, Paddle, PTT In, and KEY Out. Band information output via binary interface and AUXBUS on ACC connector.
  • Supply Voltage/current: 13.8 V nominal during TX. (11 V min, 15 V max). 17-22 Amps typical in TX (100W). 0.9A minimum RX.
  • Weight: 8.5 lbs max. (K3/100 with ATU and Sub Rx installed.)

RECEIVERS (Main and Sub)

  • Sensitivity: -136 dBm or better (typical), 500Hz b/w.
  • IMD3 Dynamic Range (400 Hz 8-pole filter): >100 dB typical at 5, 10, and 20 kHz spacing
  • Blocking Dynamic Range (400 Hz 8-pole filter): 140 dB typical at 5, 10, and 20 kHz spacing
  • Image Rejection: > 70 dB
  • IF Rejection: > 70 dB
  • S-Meter: Nominally S9 = 50 uV, preamp on; user adjustable.
  • Noise Blanker: Adjustable, multi-threshold, multi-width hardware blanker plus DSP blanker.
  • 8-Band RX graphic EQ: +/- 16 dB/octave.
  • IF Shift/Width & Lo/High Cut adjustable filtering.

TRANSMITTER

  • Output Power: 200 mW -100 W, ALC controlled (Reduced power on AM.)
  • Duty Cycle: CW and SSB modes 100%. RTTY/data  easily handles 10-min. 100W key-down at 25 C ambient.
  • True RF Speech Processor: Adjustable compression and level.
  • TX Audio Adjustable Noise Gate to get rid of background noise and give your signal more presence.
  • 8-Band TX audio graphic EQ: +/- 16 dB/octave. Customize the K3 for your voice and microphone.
  • SSB TX Bandwidth: 4 kHz max. (> 2.8 kHz requires 6 kHz AM filter and ESSB TX EQ adjustment).
  • TX speech Monitor: Monitors after DSP filtering and processing.
  • VOX: DSP-controlled, adjustable threshold, delay. and anti-VOX.
  • Full and Semi CW Break-In: Adjustable delay. Silent Diode T/R Switching.
  • Adjustable CW Rise/Fall Time: 5 ms.
  • Key Out to RF Out Delay: Adjustable up to 20 ms.
  • SSB Carrier Suppression: > 50 dB.
  • Harmonic and Spurious: > 50 dB below Carrier (100W) typical.
  • CW Offset/Sidetone: 400-800 Hz, adjustable in 10Hz steps.
  • Mic: Front 8 pin microphone connector, rear 3.5 mm microphone connector, wide mic gain adjustment range. PTT In (RCA jack) usable in all modes.
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