Elecraft K3 Desktop HF/VHF Transceiver

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Available as K3/10 and K3/100 (10 or 100 W RF-output).

An internal 2m module, K144XV, is available. Coverage of the K144XV is 144-148MHz and it provides 10W ouput:
With an Elecraft K144XV internal 2 meter module installed, your K3 will make another leap forward in versatility. The K144XV covers the full 144-148 MHz U.S. allocation, so you can do weak-signal CW/SSB work as well as access 2-m repeaters in your area. The receiver has excellent sensitivity and dynamic range. Transmit power output is 10 W continuous in all modes, with diode switching for silent, relay-free T/R.

Price (assembled) K3/100 in 2009: USD 2089.95

Frequency range

RX-range
10-160 m + WARC / 6 m
TX-range
0.5-30 / 50-54 MHz (2m option)
HAM bands
-
Stability
±5 p.p.m. stock or ±1 p.p.m. with the TCXO option
Tuning steps
0.001 kHz
Filters
2.7 kHz + variable IF DSP Options: 200 Hz, 250 Hz, 400 Hz, 500 Hz, 1 kHz, 1.8 kHz, 2.1 kHz, 2.8 kHz, 6 kHz (AM & ESSB), & 12 kHz for FM

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Receiver

Modulations
AM   FM   CW   USB   LSB   FSK   AFSK   PSK31/63  
Sensitivity
SSB/CW: 500 Hz bandwidth: -136 dBm (typical), preamp on
AM: Not specified
FM: Not specified
Selectivity
-
Receiver system
Double conversion superheterodyne
IF-frequencies
1st: 8.215 MHz
2nd: 15 kHz
Image rejection
-
Audio output
-

Transmitter

Modulations
AM   FM   CW   USB   LSB   FSK   AFSK   PSK31/63  
RF-Output
0.1-10 / 0.1-100

Connections

Antenna
SO-239
Impedance
50 Ω

Electrical

Power requirements
11-15V DC
Current drain RX
0.9 A
TX
22 A max

Physical

Dimensions (w×h×d)
112 × 282 × 300 mm (4.41 × 11.10 × 11.81 in)
Weight
4.25 kg (9.4 lbs)
Form factor
Base Station
Manufactured
Between 2007 and 20xx in USA

Other features

Memories
144 channels in 1 bank(s)
Usage
Amateur / Ham radio operators
Features + options
RS-232C
Built-in PSK31/CW/RTTY decoder/encoder
Built-in keyer
DVR option
Sub RX option
Accessories
-

Manuals, diagrams and brochures

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Reviews

Elecraft K3 Review

Elecraft K3, Desktop HF/VHF Transceiver

I've had the Elecraft K3 for about 9 months and I've found it to be an excellent radio. I ordered mine in unassembled form and greatly enjoyed putting it together. I ordered the 100 watt version, with one optional filter, 400 hz 8 pole for CW / Digital modes. It is not the most ergonomic radio on the market, but it is still easy to use.

Written by NE3R on Apr 4, 2009

Overall
 
Performance
Build quality
Features
User friendlyness
Value for money
Aquired
Good condition in 2008
USD 1.00

K3 is the LITTLE BIG RADIO.

Elecraft K3, Desktop HF/VHF Transceiver

So what makes this little rig so great. I truly appreciate Elecrafts little big radio feel with a receiver next to none, and the prices just feel right becuse you pay for what features you want. 1.Elecrafts people are outstanding, and they stand behind the k3. One example was I had a small problem with something i had done to the K3 which needed a fix. I sent the k3 to them just before field day 2009. I asked them please may i have it before field day I sent the radio to them on a Monday, and they had it back to me on a Thursday, way ahead of field day on Saturday. 2.The radio is light weight, and ships very cheaply. So if its on a plane in a suitcase or shipping it back and forth upgrading or needing a fix, or just traveling with the k3 its a wonderful travel radio. 3.The radio can be especially customized with different software & hardware to add almost any features you want now or later,and you can do it all yourself, or the factory will install them for you etc. This really keeps prices down so your not buying features you don't need right away, or features that you just want or need to add later to save money. 4.k3 has one of the best receivers money can buy. Sensitivity is next to none. The selectivity is outstanding especially during contests, when stations are barely kHz away clobbering the frequency's with kilowatts, and hemming you in between them. The k3 lets you filter them all out so all you hear is the station your working etc. Adding crystal filters is cheap so you can again keep prices down on features you can install yourself. 5. The radio has built in highly configurable E Q equalizer for transmit and receive that make the radio feel & sound like a big dog station running tons of extras to make you sound high Fidelity etc. 6. The buttons & tuning & software updates are easy to get at and make sense, and are highly configurable, so that you can do almost anything with this radio you want or need. 7. During contests i really feel the power of this radio, as anyone you hear you can work, but sometimes you hear folks so way down in the mud it will amaze you your still able to copy them, and you would swear your listening to ghosts, because they are so weak yet so copyable with the k3 its like learning how to listen all over again with a radio that hears everything, and then even the signals that cannot hear you because its just so sensitive, and you still wont be straining to pull them out, they seem to just pop out of the static. So overall i am amazed that a small radio has the features that keep a big radio man like me happy. The k3 has taught me that you don't need to spend $2000 dollars to have a world class radio at your fingertips to make you happy, and you will be picking out stations you never would hear otherwise with the cookie cutter factory radios that are punched out thousands at a time. The k3 makes me feel like i am using a special kind of radio, one that's not the norm, or the average , but the exception working as a world class radio with world class features without the huge prices tags you find on the competitions radios. Joe Leto W0IW.com

Written by W0IW on Dec 4, 2010

Overall
 
Performance
Build quality
Features
User friendlyness
Value for money
Aquired
Good condition in 2008
USD 1500.00

Prices

Estimating the value of a rig can be challenging. The graph below shows historical prices paid by hams over the years. May it guide you to good fortune...

Price Condition Year User
USD 1500.00 Mint / New 2008 W0IW
EUR 1200.00 Good / Used 2008 iz2uqe
USD Mint / Used 2014 Mburgess
To submit a price, either review the rig or add it to your shack.

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