====== Scout Model 555 ======
{{555.jpg?150|}}

===== General Description =====
Small, easy to use, SSB / CW transceiver featuring plug-in band modules covering 160 - 10 meters including the WARC bands and 50 watts output power.  New price $549.00.




===== Reviews =====
  *[[http://www.arrl.org/members-only/prodrev/pdf/pr9312.pdf|ARRL]] (Must be an ARRL member and logged in to view.)
  *[[http://www.eham.net/reviews/detail/142|eHam]]









===== Mods & Tips =====
  *[[555rfgain|Add RF Gain Control Mod]]
  *[[555rfgain2|Another RF Gain Control Mod]]
  *[[555hiss|Hiss Mod]]
  *[[555drift|Drift Mod]]
  *[[555qrp|QRP Mod]]
  *[[555dsp|DSP Audio Filter Mod]]
  *[[555qsk|QSK Mod]]
  *[[jonesfilter|Jones Filter]]
  *[[555lamprepl|Lamp Replacement]]
  *[[555digmeter|Solid State Replacement Meter]]

===== Related Links =====
  *[[this>./webarchive/555|Archived Ten-Tec Web Page]]
  *[[http://groups.yahoo.com/group/TTScout555/|Scout Yahoo Group]]

===== Sales Information =====
{{555_01_94.jpg?100|}}{{555_02_95.jpg?100|}}

===== Accessories =====
  *Model [[801]], 160 meter plug-in band module
  *Model [[802]], 80 meter plug-in band module
  *Model [[803]], 40 meter plug-in band module
  *Model [[804]], 30 meter plug-in band module
  *Model [[805]], 20 meter plug-in band module
  *Model [[806]], 17 meter plug-in band module
  *Model [[807]], 15 meter plug-in band module
  *Model [[808]], 12 meter plug-in band module
  *Model [[809]], 10 meter plug-in band module (28.0 - 29.0 MHz)

  *Model [[937]], Power Supply - Matches SCOUT, 115 VAC, 60 Hz input. 13.8 VDC, 11 amp output @ 50% duty, 7 amp continuous. DC output binding posts, Foldback current limiting, over voltage protection.

  *Model [[297]], Noise Blanker, effective on ignition and some impulse type line noise, field installable.
  *Model [[296]], Mobile bracket mounts on top or bottom of transceiver in 4 positions.
  *Model [[607]], Weighted key paddle, single paddle style with adjustable spacing.
  *Model [[701]], Handheld mike, eiectret with coiled cord and 4-pin connector.
  *Model [[705]], Desk mike, electret with coiled cord and 4-pin connector.
  *Model [[1201]] Desk Microphone Kit
  *Model [[291]], 200 watt antenna tuner, 'T' match circuit matches variety of unbalanced antenna systems.

===== Specifications =====

==== General ====
  ***MODES:** CW, LSB, USB (Normal sideband for the band in use)
  ***FREQUENCY RANGE:** All ham bands 160 through 10 meters available through plug in modules. Overshoot at upper and lower edges.
  ***DISPLAY:** 4 digit to 100 Hz resolution, .56" LED.
  ***FREQUENCY CONTROL:** Permeability tuned oscillator (PTO) mixed with a crystal oscillator for each band.
  ***OFFSET TUNING:** +/- 1 KHz nominal – receive
  ***FREQUENCY ACCURACY:** +/- 100 Hz @ 25 deg. C.
  ***ANTENNA:** 50 ohms unbalanced.
  ***POWER REQUIRED:** @ 12-14 VDC: 600 ma receive, 10 A transmit @ 50 watts out. 4.5 A @ 5 watts out.
  ***CONSTRUCTION:** G 10 epoxy glass boards, most field replaceable. Molded plastic front panel, aluminum chassis, steel top and bottom.
  ***DIMENSIONS:** HWD 2.5" x 7.28' x 9.75" - 6.4 x 18.4 x 24.8 cm.
  ***WEIGHT:** 5 Ibs, 3 oz - 2.4 kg

==== Transmitter ====
  ***RF OUTPUT:** 50 watts, ALC controlled, internal adjustment to reduce power to 5 watts.
  ***DC INPUT:** 125 watts maximum @ 14 volts, SSB and CW duty cycle only.
  ***MICROPHONE INPUT:** 200 to 100K ohms, accepts microphones with 5 mv (-62db) output. Polarizing voltage provided for electrets.
  ***T/R SWITCHING:** PTT on SSB, QSK on CW.
  ***IAMBIC KEYER:** Adjustable 5- 50 WPM. Curtis type B, 15% fixed weighting.
  ***CW OFFSET:** 750 Hz
  ***METERING:** SWR or FWD power, rear panel switched.
  ***SSB GENERATION:** Balanced modulator, 9 pole crystal filter.
  ***CARRIER SUPPRESSION:** -45dB typical
  ***UNWANTED SIDEBAND:** -45 dB typical at 1.5 KHz tone.
  ***THIRD ORDER INTERMOD:** 30 dB below two tone @ 50 watts PEP.

==== Receiver ====
  ***SENSITIVITY:** .35 uV typical for 10 dB S+N/N @ 2.5 KHz bandwidth.
  ***SELECTIVITY:** [[jonesfilter|"Jones"]] 9 pole crystal filter front panel adjustable 500 Hz to 2.5 KHz (Patent #5051711).
  ***DYNAMIC RANGE:** 85 dB @ 2.4 KHz bandwidth at 20 KHz spacing.
  ***THIRD ORDER INTERCEPT:** +1 dBm
  ***NOISE FLOOR:** -126 dBm typical
  ***S-METER:** Calibrated for 50 uV at S9
  ***I-F FREQUENCY:** 6.144 MHz
  ***NOISE BLANKER:** Optional plug-in board
  ***AUDIO:** 1 watt @ 4 ohms with less than 2% distortion
  ***SPEAKER:** 3 inch