ICOM  IC-756PROII - HF/6m Base Transceiver

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ICOM  IC-756PROII - HF/6m Base Transceiver
IC-756PROIIPulling signals out of the air just got easier! Thanks to YOU. Many of the improvements in the IC-756PROII came from hams who offered suggestions on how to make the incredibly popular '756PRO even better. 

Brief summary:

bulletDimensions: 13.4 (W), 4.4 (H), 11.2 (D); 21 lb, 2 oz
bulletHF + 6 Meter
bullet100 Watts
bullet32 Bit IF-DSP
bullet101 Total Memory Channels
bulletIndependently Selectable Tuning Shapes for CW & SSB
bulletVariable Level noise Blanker
bulletAuto & Manual Notch Filter
bulletTwin Passband Tuning
bulletCW Memory Keyer
bulletVOX
bulletAuto Antenna Tuner
bulletSSB/CW Synchronous Tuning
bulletExternal Control for voice Memory & Memory Keyer
bulletAdjustable RIT Clear
bullet1/4 Tuning Steps in Digital Mode

 

What Makes The IC-756PROII Different Than The IC-756PRO?
IC-756PROIIImproved third order intercept point
Improved sensitivity without a preamp
Selectable IF filter shape
Improved noise reduction
Adjustable level noise blanker
Improved bandscope noise floor
Improved audio fidelity
Enhanced backlighting - better for dark rooms
Enhanced 5" TFT color display

 

IC-756PROII Specifications
This information is taken directly off of the ICOM IC-756PROII brochure.

 

General
bulletFrequency coverage:
bulletRx: 0.030– 60.000MHz*1, *2
bulletTx:
bullet1.800– 1.999MHz*2
bullet3.500– 3.999MHz*2
bullet7.000– 7.300MHz*2
bullet10.100– 10.150MHz*2
bullet14.000– 14.350MHz*2
bullet18.068– 18.168MHz*2
bullet21.000– 21.450MHz*2
bullet24.890– 24.990MHz*2
bullet28.000– 29.700MHz*2
bullet50.000– 54.000MHz*2
bullet*1 Some freq. bands are not guaranteed. *2 Depending on version
bulletMode: USB, LSB, CW, RTTY, AM, FM
bulletNumber of memory Ch.: 101 (99 regular, 2 scan edges)
bulletAntenna connector: SO-239×2 and phono [RCA; (50Ω)]
bulletTemperature range: –10°C to +50°C; +14°F to +122°F
bulletFrequency stability: Less than ±0.5ppm (1 min. after powered ON/0 to 50°C; +32 to +122°F)
bulletFrequency resolution: 1Hz
bulletPower supply requirement: 13.8V DC ±15% (negative ground)
bulletPower consumption:
bulletTx: Max. power 23A
bulletRx Standby: 3.0A (typ.)
bulletRx Max. audio: 3.5A (typ.)
bulletDimensions (projections not included):
bullet340(W)×111(H)×285(D) mm;
bullet133⁄8(W)×43⁄8(H)×117⁄32(D) in
bulletWeight (approx.): 9.6kg; 21lb 1oz
bulletACC 1 connector: 8-pin DIN connector
bulletACC 2 connector: 7-pin DIN connector
bulletCI-V connector: 2-conductor 3.5 (d) mm (1⁄8")
bulletDisplay: 5-inch (diagonal) TFT color LCD

 

Transmitter
bulletOutput power (continuously adjustable):
bulletSSB, CW, RTTY, FM 5–100W
bulletAM 5–40W
bulletModulation system:
bulletSSB DPSN modulation
bulletAM Digital low power modulation
bulletFM Digital phase modulation
bulletSpurious emission:
bullet50dB (HF bands)
bullet60dB (50MHz band)
bulletCarrier suppression: More than 40dB
bulletUnwanted sideband suppression: More than 55dB
bulletDeltaTX variable range: ±9.999kHz
bulletMicrophone connector: 8-pin connector (600Ω)
bulletELE-KEY connector: 3-conductor 6.35 (d) mm (1⁄4")
bulletKEY connector: 3-conductor 6.35 (d) mm (1⁄4")
bulletSEND connector: Phono (RCA)
bulletALC connector: Phono (RCA)

 

Receiver
bulletReceive system: Triple conversion superheterodyne system
bulletIntermediate frequencies:
bullet1st 64.455MHz (for all modes)
bullet2nd 455kHz (for all modes)
bullet3rd 36kHz (for all modes)
bulletSensitivity (typical):
Frequency range (MHz) SSB, CW, RTTY (at 2.4 kHz BW) AM (at 6 kHz BW) FM (at 15 kHz BW)
0.50-1.799 -- 13 µV --
1.80-27.99 0.16 µV *1 2 µV *1 --
28.0-29.99 0.16 µV *1 2 µV *1 0.5 µV *1
50.0-54.0 0.13 µV *2 1 µV 0.32 µV *2

10 db S/N for SSB, CW, RTTY and AM, 12 dB SINAD for FM
*1=pre-amp 1 is ON, *2=pre-amp 2 is ON
 

bulletSquelch sensitivity (Pre-amp: OFF):
bulletSSB, CW, RTTY: Less than 5.6µV
bulletFM: Less than 1µV
bulletSelectivity (representative value):
bulletSSB, RTTY (BW: 2.4kHz)
bulletMore than 2.4kHz/–6dB
bulletLess than 3.2kHz/–40dB
bulletLess than 3.6kHz/–60dB
bulletLess than 4.3kHz/–80dB
bulletCW (BW: 500Hz)
bulletMore than 500Hz/–6dB
bulletLess than 700Hz/–60dB
bulletAM (BW: 6kHz)
bulletMore than 6.0kHz/–6dB
bulletLess than 15.0kHz/–60dB
bulletFM (BW: 15kHz)
bulletMore than 12.0kHz/–6dB
bulletLess than 20.0kHz/–60dB
bulletSpurious and image rejection ratio: More than 70dB (except IF through on 50MHz band)
bulletAF output power (at 13.8V DC): More than 2.0W at 10% distortion with an 8Ω load
bulletRIT variable range: ±9.999kHz
bulletPHONES connector: 2-pin connector 6.35 (d) mm (1⁄4″)
bulletEXT SP connector: 2-pin connector 3.5 (d) mm (1⁄4″)/8Ω

 

Antenna Tuner
bulletMatching impedance range:
bullet16.7–150Ω unbalanced*1 (HF bands)
bullet20–125Ω unbalanced*2 (50MHz band)
bullet*1 Less than VSWR 3:1; *2 Less than VSWR 2.5:1
bulletMin. operating input power: 8 W
bulletTuning accuracy: VSWR 1.5:1 or less
bulletInsertion loss: Less than 1.0dB (after tuning)

 

Supplied Accessories
bulletHand microphone
bulletDC power cable
bulletSpare fuses
bulletCW key plug
Options
Power Supplies
bulletPS-125 Optional PS-125 power supply matching the style of the IC-756PROII.

Linear Amplifier, Antenna Element and Antenna Selector

bulletIC-PW1 HF + 50 MHz 1 kW LINEAR AMPLIFIER: Covers all HF and 50 MHz bands, provides clean, stable 1 kW output. Automatic antenna tuner and compact detachable controller are standard. 2 exciter inputs are available.
bulletAH-4 HF + 50 MHz AUTOMATIC ANTENNA TUNER: Covers 3.5 - 54 MHz with a 7 m (23 ft) or longer wire antenna
bulletAH-2b ANTENNA ELEMENT: A 2.5 m long antenna for mobile operation with the AH-3. All bands between 7 - 54 MHz can be matched.

External Speakers

bulletSP-20 EXTERNAL SPEAKER: 4 audio filters; headphone jack; can connect to 2 transceivers. Input impedance: 8 ohms; Max input power: 5 W
bulletSP-21 EXTERNAL SPEAKER: Designed for base station operation. Input impedance: 8 ohms; Max input power: 5 W

Microphones

bulletSM-20 DESKTOP MICROPHONE: Unidirectional, electret microphone for base station operation. Includes [Up]/[Down] switches and a low cut function.
bulletHM-36 HAND MICROPHONE: Same as supplied.

Others

bulletCT-17 CI-V LEVEL CONVERTER: For remote transceiver control using a personal computer. Equipped with an RS-232C port. You can change frequencies, operating mode, etc.
bulletUT-102 VOICE SYNTHESIZER UNIT: Announces operating frequency and mode.

 

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