> Jim Brown <[email protected]> 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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