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Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition

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MPN:
546
Condition:
Used
Shipping:
$48.00 (Fixed Shipping Cost)
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
  • Ten-Tec 546 Omni D Series C Transceiver Loaded with 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker in Excellent Condition
$349.99
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Description

This Ten-Tec 546 Omni D Series C Transceiver, is Loaded with the 217, 500 Hz CW & 218, 1.8 K6C Filters & 248 Noise Blanker. It is in Excellent Condition.

 This is the latest version of the Omni D series.

 This Radio was sent in to Ten-Tec in 1998 for service and was completely checked out. The paperwork is included.

 At some point the serial number tag came off. The invoice does reference S/N 2202

 This radio is in excellent Condition, and worked very well when I tested it on the air.

 The Omni D series C model has provisions for the WARC bands but they need to be enabled. I do not have that information.

 Many say this is one of the greatest rigs that TenTec built with a great QSK system. 

I am selling this radio as is, as described, for a friend who has been collection Ten-Tec and other classic and vintage radios.

Due to the age of this gear I cannot guarantee it or accept returns, however I did test it on the air and it appears to all be functioning as it should. As with most vintage gear, it may be improved with an alignment but appears to be working great as it is.

It will be packed separately and double boxed to assure safe shipment. You can save on the shipping costs by picking up this gear at my location in North East Wisconsin. If the shipping cost ends up being less than my estimate, I will refund the difference.

I have other accessories available for this and many other classic Ten-Tec Radios. Please check with me if you do not see what you want listed.

A Copy of the manual is included. The manual has service information.

Here is a link to the Ten-Tec brochure:

https://tentecwiki.eqth.net/lib/exe/detail.php?id=546c&media=546c_06_80.jpg

 

Identifying the Omni D series A, B or C

Omni A series A

The Omni A series A has an analog dial. Band coverage is 160, 80, 40, 30 (receive only), 20, 15 and 10. There is an AUX position on the band switch to add 12 meter receive and transmit (available after WARC bands became available). 30 meter transmit could be added after WARC bands became available*. The Omni A Series A can not be made to receive or transmit on 17 meters. The Omni A series A has a 4 position audio filter and squelch, no notch filter or crystal filters.

Omni D series A

The Omni D series A has digital frequency readout, otherwise is identical to the Omni A Series A.

Omni A series B

The Omni A series B has an analog dial. Band coverage is the same as the Omni A series A. The Omni A series B can not be made to transmit or receive on 17 meters. The Omni A & D series B has a rotary switch to cascade the 3 audio filters with 3 crystal filters. 2.4 KHz crystal filter is standard; 1.8 KHz and 500 Hz filters are optional. Omni A series B has a notch filter no squelch.

Omni D series B has digital frequency readout, otherwise identical to Omni A series B.

Note: A modification kit was available to modify the Omni A series A and Omni D series A transceivers to series B configuration. A front panel overlay that covered the filter and squelch controls was included in the modification.

Omni D series C

The Omni D series C has digital frequency readout. Band coverage: 160, 80, 40, 30, 20, 17, 15, 12 and 10 meter bands. Note: Omni D series Cs were shipped without WARC band crystals until WARC bands became available**. Omni D series C has a 3 position flip switch to select audio filters and a 3 position flip switch to select optional crystal filters. 2.4 KHz crystal filter is standard; 1.8 KHz and 500 Hz crystal filters are optional. Omni D series C has a notch filter, no squelch.

 

 

Specifications

 

General

  • Frequency Coverage: 1.8 - 2.3, 3.5 - 4.0, 7.0 - 7.5, 10.0 - 10.5, 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 transceive. (VFO provides approximately 40 kHz overrun on each band edge.).
  • VFO Stability: Less than 15 Hz change per Fo averaged over a 40o change from 70o to 110o F after 30 minutes warmup. Less than 10 Hz change from 105 to 125 Vac line voltage when using a TEN-TEC power supply.
  • Tuning Rate: Vernier, 18 kHz per revolution, typical.
  • Readout: Six digit, 0.43" LED numerals. Least significant digit indicating 100 Hz green, all others red.
  • Accuracy: +/- 100 Hz.
  • Semi-Conductors: 1 LSI, 20 IC's, 47 transistors, 29 diodes, 21 pin diodes, 6 LED readouts.
  • PC Boards: 14 plug-in, 13 integral.
  • Construction: Rigid aluminum chassis. Dark painted aluminum front and rear panels, black vinyl covered aluminum top and bottom. satin etched and extruded panel trim. Snap-up wire front bail.
  • Power Required: 12-14 Vdc, 850 mA receive, 18.5 A max transmit.
  • Dimensions: HWD 5.50" x 14.25" x 14".
  • Weight: 14.5 lbs.

Receiver

  • Sensitivity: Tailored from 2.0 uV on 1.8 MHz band to 0.3 uV on 28 MHz band for 10 dB S+N/N.
  • Selectivity: 8 pole ladder filter. 2.4 kHz bandwidth, 1.7 to 1 shape factor at 6/60 dB. With Model 217 installed: 500 Hz bandwidth, 1.9 to 1 shape factor. With Model 218 installed: 1800 Hz bandwidth, 1.8 to 1 shape factor. With Model 219 installed: 250 Hz bandwidth, 2.0 to 1 shape factor.
  • Audio Filter Selectivity: Center frequency 750 Hz. One section has 450 Hz bandwidth, down 10 dB at 400 Hz and 1500 Hz. Four sections have 150 Hz bandwidth, down 40 dB at 400 Hz and 1500 Hz.
  • Intermediate Frequency: 9 MHz.
  • Antenna Input: Low impedance, unbalanced.
  • Audio Output: 1.5 watts @ 4 ohms with less than 2% distortion. Built-in speaker, external PHONES jack.
  • Spurious Response: All below equivalent 10 dB S+N/N signal except 1.838 MHz (less than 15 dB S+N/N), 21.320 MHz (less than 20 dB S+N/N), and 28.980 MHz (which can be eliminated by using low end 29.0 - 29.5 MHz band segment).
  • CW Spot: With 750 Hz reference tone.
  • S-Meter: Automatically switched on when receiving.
  • Dynamic Range: 90 dB, typical.
  • Attenuator: PIN diode, 18 dB, typical, for increased dynamic range.
  • Offset Tuning: Dual range, MAX +/- 4 kHz; MIN +/- 500 Hz, typical.
  • CW Filter: Built-in. 150 Hz bandwidth centered at 750 Hz. Shape factor 7.2 to 1 @ 6/60 dB. 3 selectable response curves.
  • Zero Beat: Disables transmitter offset in cw mode for accurate frequency adjustment.
  • Notch Filter: 50 dB audio rejection notch filter tunable from 250 Hz to greater than 6 kHz.
  • Noise Blanker: Built-in. High dynamic range i-f type with balanced noise gate for minimum switch noise.
  • WWV: Reception at 10 MHz.

Transmitter

  • DC Power Input: Maximum input power 200 watts @ 14 Vdc cw and ssb. 100% duty cycle for up to 20 minutes.
  • RF Output: 85 - 100 watts, typical.
  • Output Impedance: 50 ohms, unbalanced.
  • Microphone Impedance: High impedance crystal, ceramic, or dynamic.
  • T/R Switching: VOX or PTT on ssb. Instant break-in on cw.
  • CW Sidetone: Internally generated. Adjustable tone and volume independent of AF gain control. Operates only in cw mode.
  • SSB Generation: 9 MHz, 8 pole crystal ladder filter. Balanced modulator.
  • Carrier Suppression: 60 dB, minimum.
  • Sideband Suppression: 60 dB, minimum, at 1 kHz tone.
  • Spurious Output: Better than -40 dB.
  • Meter: Indicates SWR on transmit.
  • CW Offset: 750 Hz, automatic
  • ALC Control: Front panel, LED indicator.

 

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