[Elecraft] Sherwood's receiver performance table updated

[Harry White]

Wayne,

Yes, you missed one thing, the price. I added all the items up that would
have to be added to a factory build K3s so that it could do everything you
claimed and everything the IC-7300 can do. Without shipping costs the K3s
radio prices out at $5469.65, more than three and a half times the cost of
an IC-7300. And everyone is offering free shipping on the IC-7300. And that
price does not include any additional filters in the K3s.

Just trying to be fair.

73,

Harry
K1RSA

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wayne
Burdick
Sent: Monday, April 25, 2016 7:09 PM
To: jim at audiosystemsgroup.com
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Sherwood's receiver performance table updated

> Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
>> On Mon,4/25/2016 1:34 PM, lstavenhagen wrote:
>> Wow, looks like Icom finally made a radio with performance close to 
>> the humble K3S and K3 + new synth.... but also looks like you really 
>> got to pay 'em for finally doing it, at nearly 13 grand for the 7851!
> 
> Don't be so quick to declare either of these products winners -- Rob's RX
measurements are only a small part of what defines the quality of a radio.
ICOM (and Yaesu) have a long history of producing radios with rather wide CW
signals, including all the current products that ARRL has measured.

Hi Jim,

Also, in the "you get what you pay for" category, here are the K3S features
(some optional*) that differ significantly from, or are not available on,
the IC-7300:

Receive

   - *Sub receiver (identical in performance to main), diversity and
independent-band operation
   - Dedicated AF and RF gain controls for both receivers
   - APF (CW audio peaking filter)
   - 8-band RX EQ
   - Full stereo audio with audio effects (AFX) and L/R balance control 
   - User-settable AF limiter for use when AGC is off
   - 7 AGC customization controls

Transmit

   - PIN-diode T/R switching (audible relay on '7300)
   - Extremely fast T/R turnaround (as low as 5 ms in QRQ mode; also applies
to KPA500)
   - Dedicated controls for CW code speed/mic gain, compression/power level
   - 8-band TX EQ

General

   - *Wide-range ATU (> 10:1 at 100 W; > 20:1 at low power) and two antenna
jacks
   - *Internal all-mode 2-meter transverter option
   - Direct transverter band displays (9); integrated with Elecraft
XV-series
   - Built-in PSK and RTTY decode (to display) and encode (via keyer
paddle);
     7300 has only RTTY, I believe
   - Dedicated VFO B and RIT/XIT offset controls (VFO B is 400-count optical
encoder
     with weighted knob)
   - 100 regular memories, plus 4 quick memories per band
   - 10 user-programmable function switches (for menu hot-keys, macros, TX
messages)
   - Direct rotary control functions: K3 11; 7300 6
   - Direct switch functions: K3, 74 (addional 22 on P3*); 7300, 27 
        (IC-7300 also has est. 10 full-time touch controls in main display
context)
   - Keypad for direct frequency entry
   - Transflective LCD, easily readable in bright sunlight 
   - Low current drain for portable/DXpedition use (1 amp typical)
   - Works with supply voltage of as low as 10 V
   - Carrying handle included
   - *High-quality/versatile external control panel option (K-Pod)

Connectivity

   - RX antenna in/out and transverter in/out jacks
   - Stereo speaker outputs, front and rear headphones, front and rear mics
   - Analog line in/out in addition to USB (digital + audio)
   - Buffered I.F. output
   - Accessory output for compatibility with existing station equipment,
     including band-data outputs and user-defined logic in/out
   - 12-volt switched output for powering accessories

Spectrum Display*

    - dedicated panadapter screen (P3) with significantly larger area
    - flexible partitioning of spectrum vs waterfall
    - *optional high-resolution, external SVGA display

Any corrections or things I've missed?

Wayne
N6KR








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