FLEX-6600 / 6600M

Specifications    Prices

HF/50 MHz direct sampling transceiver, with or without 1920 x 1200 touch display and control console. Four independent receivers, syncronous diversity reception, RMDR 116 dB @ 2 KHz offset, enhanced 7th-order contest band preselectors, 100 Watts output power, built-in ATU. Ideated in USA, year of introduction 2018.

Reference market : amateur-radio

FLEX-6600 / 6600M specifications

General
Frequency coverage
Receive0.0300 ~ 54.0000 MHz
Transmit [1]1.8 / 3.6 / 5.3 / 7.0 / 10 / 14 / 18 / 21 / 24 / 28 / 50 MHz
Mode
CW / LSB / USB / FSK / AM / FM
Tuning step
1 Hz min
Receiver
ADC (Analog to Digital Conversion)
Sample rate245.76 Msps
Resolution16 Bit
RF preamplifier
8 / 16 / 24 / 32 dB
RF attenuator
8 dB
RMDR (Reciprocal Mixing Dynamic Range)
110 dB (1 KHz spaced signals)
116 dB (2 KHz spaced signals)
Spurious and image rejection
> 100 dB
Frequency stability
± 0.5ppm
± 0.005ppm/24h with GPS unit [2]
Transmitter
Output power [1]
CW, RTTY, SSB, FM~1 to 100 W
AM~1 to 25 W
Spurious emission
Harmonics< -55 dBc (1.8~29.7 MHz bands)
< -65 dBc (50 MHz band)
DAC (Digital to Analog Conversion)
Sample rate245.76 Msps
Resolution16 Bit
Carrier suppression (SSB)
< -80 dBc
Unwanted sideband suppression (SSB)
< -80 dBc
Maximum deviation (FM)
± 2.5 / 5 KHz
Audio response
100-2900 Hz default (variable 50Hz to 10kHz)
Microphone
600Ω nominal (200Ω to 10kΩ)
Antenna tuner
Impedance range16.7 to 150Ω (1.8 MHz band)
8.3 to 300Ω (3.6~29.7 MHz bands)
16.7 to 150Ω (50 MHz band)
Minimum operating power10W (1.8~29.7 MHz bands)
2W (50 MHz band)
Features
Memory
Unlimited memory channels
Display
1 Hz frequency resolution
8-inch 1920x1200 WUXGA touch sensitive LCD
Antenna
2 x SO239 50Ω
2 x BNC 50Ω RX only
Power supply
13.8VDC (± 15%)
Power consumption
2A, RX typ
23A, TX max power
Audio power
21mW on 16-32Ω headphone
2.6Vpp@10kΩ for external speaker
Audio output
Jack 3.5 mm headphone
Jack 3.5 mm external speaker
Connections
USB x 2
LAN (Ethernet 100/1000 BaseT)
HDMI (external display)
25-pin Jack (accessories)
Jack 3.5 mm (CW key)
Jack 6.35 mm (balanced audio input)
RCA (10 MHz reference input)
RCA (PTT)
RCA (TX Request)
RCA (ALC)
RCA (Remote On)
RCA (TX1)
RCA (TX2)
RCA (TX3)
BNC x 2 (XVTR transverters)
SMA (GPS antenna input)
SMA (10 MHz GPSDO reference output)
Mechanical and environmental data
Operating temperature
from 0°C to +50°C
Dimensions
355 (W) x 178 (H) x 305 (D) mm
Weight
5.0kg

  1. The radio are also capable of very low power (0 dBm typ, +10 dBm max) transmit on transverter port output from 100 KHz to 54 MHz.
  2. The GPSDO option (GPS locked) unit is request.
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FLEX-6600 / 6600M description :

The FLEX-6600 (PC controlled box) and the FLEX-6600M (stand-alone rig) offers the latest direct sampling SDR technology for the advanced HF and 50MHz amateur operator. The FLEX6600M integrates all "6600" capabilities with a stunning 8-inch high resolution touch display and ergonomic controls to deliver a very high performance software defined radio with a traditional radio interface. The transceiver, with the same FLEX-6400 / M base features, add a set of contest-grade filters (7th order preselector), ultra low spurious emissions, and the ability to operate full duplex cross band on two antennas let you transmit on one band while receiving on another, no external equipment required. Even switch to synchronous diversity reception when needed to help you pick out the weak ones in the midst of QRM.

FLEX-6600 / 6600M features :

  • Dual VFO front panel control sets (only FLEX-6600M)

  • External HDMI compatible display support (only FLEX-6600M)

  • Internal 2W front speaker (only FLEX-6600M)

  • 4 indipendent receivers / panadapters / waterfalls

  • 2 receive only ports

  • 2 XVTR transverter ports

  • 155dB spectrum dinamic range at max zoom

  • Full duplex RX/TX operation

  • Full break-in QSK

  • Integrated remote operation

  • VLF (630 and 2200m) IF coverage

  • D-STAR with optional ThumbDV

  • GPS disciplined oscillator option

  • External 10MHz reference input

  • Integrated automatic antenna tuner

  • Continuos MARS/CAP TX coverage option

  • Simultaneous receive on two antennas

  • Syncronous diversity reception

  • Enhanced panadapter zoom with 1.6Hz RBW
FLEX-6600 / 6600M connections :


FLEX-6600 (left) and FLEX-6600M (right) front panel


FLEX-6600 and FLEX-6600M back panel
  1. External 13.8 VDC power connector

  2. Antenna 1

  3. Antenna 2

  4. Powered speakers socket

  5. Morse key socket

  6. Balanced audio input

  7. Accessory socket

  8. Push-To-Talk socket

  9. TX Request socket

  10. ALC socket

  11. Remote On socket

  12. GPS antenna socket (Optional)

  13. GPS Disciplined Oscillator 10 MHz output (Optional)

  14. 100/1000BaseT Ethernet port

  15. USB accessory socket

  16. USB accessory socket

  17. HDMI external display socket

  18. 10 MHz input

  19. TX3 socket

  20. TX2 socket

  21. TX1 socket

  22. RXB antenna socket

  23. XVTR-B output socket

  24. Microphone input socket

  25. XVTR-A output socket

  26. RXA antenna socket

  27. Headphones socket

  28. Ground terminal

FLEX-6600 / 6600M price

We have collected for your convenience the FlexRadio FLEX-6600 / FLEX-6600M sale price (Euro) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price Date Condition
EUR 4770.00 2021-oct Brand-new

FLEX-6600 version

EUR 5940.00 2021-oct Brand-new

FLEX-6600M version, with control console

EUR 4350.00 2019-dec Brand-new

FLEX-6600 version

EUR 5300.00 2019-dec Brand-new

FLEX-6600M version, with control console

FLEX-6600 / 6600M review

Your opinion on merits, defects, experiences, with this radio set is welcome. Write your review, after a technical evaluation by our staff if found suitable will be published on this page. We thank you for your precious contribution.

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