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Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426

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MPN:
540
Condition:
Used
Shipping:
$35.00 (Fixed Shipping Cost)
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
  • Ten-Tec 540 Triton II Transceiver in Excellent Cosmetic Condition Needs Work S/N 426
$129.99
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Description

This Ten-Tec 540 Triton II Transceiver is in Excellent Cosmetic Condition and Needs Work S/N 426

I Tested it on the air and found it transmitted (Key Down) and received very well.

 I found the internal speaker does not work (it has excellent receive audio from the speaker jack on the rear panel.)

 I also found that there is no microphone audio going in from the microphone jack.

 As with most vintage gear it may be improved with an alignment.

 The Elastic string in the dial cord has become weak so the dial pointer does not go to the lower half of the dial. This is the common thing and there is a great source for the elastic dial cord needed.

 There is a link to a web site below that has the Dial String replsacement information and other service information.

Why "Triton" Name Was Dropped

From the Ten-Tec Reflector November 1, 1999

Ten-Tec was threatened with legal action from a major communications company over the use of the name "Triton" for radio equipment. Rather than have David fight Goliath, they changed the name of the radio from the model 544 Triton IV to the "Model 544" - the "Model 544" name plate on the front was used for approximately the last year of production of the model.

  This radio is super clean and well worth putting some work into it. 

 This Radio as well as all the other many Ten-Tec items I have listed, are part of an estate I am selling for a friend who has been collecting only the finest Ten-Tec gear. He is selling his gear due to a planned move.

 Due to the age of this transceiver, I am selling this radio as is, as described, for parts or repair, with no returns.

A good copy of the manual is included.  It will require a hand microphone with a 1/4 inch stereo plug connector.  Any Dynamic hand microphone appears to work well.

 This one has the 6 pin Jones plug power connector. While not rare, I do not have an extra connector.

 There are some matching power supplies I have listed with the correct power cord included. Please see my other listings.

  There is a great web page with a lot of service information you can see at the link below:

https://web.archive.org/web/20101003061948/http://www.earlandrews.com/ARGONAUT1.html

Specifications

 

General

  • Frequency Bands: 3.5 - 4.0, 7.0 - 7.5, 14.0 - 14.5, 21.0 - 21.5, 28.0 - 28.5, 28.5 - 29.0, 29.0 - 29.5, 29.5 - 30.0 MHz. Ten meter crystals furnished for 28.0 - 29.0 MHz.
  • All circuits permeability tuned.
  • Tuning Rate: Tuning vernier 25 kHz per revolution, typical.
  • Direct frequency readout: Slide rule, color coded dial indicates 100 kHz segment, dial skirt increment to 1 kHz. Accuracy +/- 1 kHz from nearest 25 kHz calibration point.
  • Calibrator: 25 Khz pulsed calibrator
  • Automatic sideband selection, reversible
  • VFO Frequency Stability: Less than 15 Hz change per Fo, averaged over a 40o change from 70o to 110o, after 30 minute warmup. Less than 10 Hz change from 105 to 125 VAC line voltage when using TEN-TEC power supply.
  • Power Required: 12-14 VDC, 500 mA receive, 18 A maximum transmit.
  • Modular Contruction: 10 plug-in assemblies and 7 fixed circuit boards.
  • Semiconductors: 47 transistors, 33 diodes, 11 IC's
  • Power switch remotely controls power supply.
  • Snap-up front feet.
  • Contruction: Rigid aluminum chassis, sub-panels, top and bottom. Cycolac plastic side panels.
  • Finish: Etched aluminum panel, textured black top and sides
  • Dimensions: HWD 4.5" x 13.625" x 13"
  • Weight: 12 lbs.

Receiver

  • Mosfet RF Amplifier
  • Preselector Resonate Control
  • Sensitivity: 0.3 uV for 10 dB S+N/N.
  • Filtering: 2.6 kHz bandwidth, 1.8 shape factor at 6/60 dB points. Optional CW Filter - 150 Hz wide, two positions, shape factor 7.2 at 6/60 dB.
  • AGC Controlled by RF Gain Control
  • Meter Automatically Switched to "S" meter when receiving
  • Offset Tuning with Defeat Switch and LED Indicator
  • Built-in Speaker in Bottom
  • External Speaker/Phone Jack
  • Less than 2% Audio Distortion
  • WWV Reception at 10 and 15 MHz

Transmitter

  • 200 Watts Input, SSB and CW, 100% Duty Cycle
  • Instant Band Change, No Tune-up Required
  • 8-Pole SSB Filter
  • Automatic Level Control on Front Panel, LED Indicator Shows Operation in ALC Region
  • CW Sidetone Fed into Audio Amplifier when in CW Mode
  • Sidetone Adjustable for Tone and Volume
  • Automatic CW Offset of 750 Hz
  • Press-To-Talk
  • Meter Indicates SWR When Transmitting
  • High Impedance Microphone Input
  • RF Output Impedance 50 - 75 ohms, unbalanced.
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