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Radio Broadcast Technical Consulting and Sales
10032 Island Drive, Brainerd, MN  56401

Click to inquire or purchase used equipment

Back to Used (Experienced) Equipment

If you have a question, e-mail us.

 Qty FM Transmitters and Equipment Price Each
. Transmitter tubes.  Click here .
. CapacitorsClick here .
. Dummy loads.  Click here .
... Power supply partsClick here ..
. RF switches.  Click here .
. Broadcast equipment instruction manuals.  E-mail request .
 

FM Exciters and Accessories

 
2 Collins KPN 5220 0-53 KHz Linear Phase Low Pass Filter.  600/600 ohms unbalanced for use in Collins 310Z-2 FM Exciter.  Good working condition.    $40.00
1 Continental 802B FM Exciter.  5-50 Watts, 88-108 MHz, dip-switch frequency programmable.  Has a built-in RF low-pass filter so it can be used directly on the air.  Analog monaural and composite audio inputs.  Runs on 120 VAC or 240 VAC.  Excellent condition with manual and schematic diagrams.  We will tune it to your frequency and power level at no extra charge.    2500.00
1 Harris 994-7992-001  41 or 67 KHz SCA Generator.  Made to plug into a Harris MS-15 or MX-15 FM Exciter main frame.  Good condition with manual.    125.00
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Wattmeters

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2 Bendix 518.079 Directional Coupler for 5 Watts VHF.  Can be adjusted for higher or lower power levels.  Has two BNC connectors and two 1N21 diodes.  Has forward and reflected DC outputs to go to DC meters, not supplied.  Leads on metering outputs are 12" or more long.  Used good. $40.00
2 Bendix 518.080 Directional Coupler for 10 Watts VHF.  Can be adjusted for higher or lower power levels.  Has two BNC connectors and two 1N21 diodes.  Has forward and reflected DC outputs to go to DC meters, not supplied.  Leads on metering outputs are 12" or more long.  Used good. 40.00
3 Bird Single Socket 3" unflanged 52 ohm wattmeter line section.  Used good. 100.00
2 Bird model 48/RCA MI-19196 L/H  0-.35 KW & 0-1.5 KW Meter in case for wattmeter system.  Used good. 150.00
1 Bird model 48/RCA MI-27396 L/H  0-10 KW Meter in case for wattmeter system.  Used good. 200.00
1 Bird model 48/RCA MI-19193 L/H  0-25 KW Meter in case for wattmeter system.  Used good. 200.00
1 Bird 5 Watt element 100 - 250 MHz.  Used good. 50.00
1 Bird 100 Watt element 400 - 1000 MHz.  Used good. 50.00
1 Bird 1.5 KW element 108-216 MHz.  Used good. 50.00
1 Bird 5 KW element 50-125 MHz.  Used good. 50.00
1 Bird 7.5 KW element (5000B1) 54-108 MHz.  Used good. 50.00
1 Bird 7.5 KW element 108-216 MHz.  Used good. 50.00
1 Bird 25 KW element 108-216 MHz.  Used good. 50.00
1 CCA Forward/Reflected (directional Coupler) meter sample line section with sockets for 1N21B detector diodes.  3-1/8" EIA input and output connections with one captured inner connector and RF-58/U coaxial cable sample lines.  Same as used on Harris FM transmitters.  Good condition. 250.00
2 CMC Connecticut Microwave Corporation 210021 Directional Coupler for 5 Watts VHF.  Can be adjusted for higher or lower power levels.  Has two BNC connectors and two 1N21 diodes.  Has forward and reflected DC outputs to go to DC meters, not supplied.  Leads on metering outputs are 12" or more long.  Used good. 40.00
2 CMC Connecticut Microwave Corporation 210022 Directional Coupler for 10 Watts VHF.  Can be adjusted for higher or lower power levels.  Has two BNC connectors and two 1N21 diodes.  Has forward and reflected DC outputs to go to DC meters, not supplied.  Leads on metering outputs are 12" or more long.  Used good. 40.00
1 Coaxial Dynamics 82314 10 KW element  Good condition. 50.00
 

Transmitter Meters

 
1 Sparta 0-5 KVDC meter 30.00
1 Sparta 0-10 KVDC meter 30.00
1 Sparta 0-1.0 Ampere DC meter 30.00
1 Sparta 0-1.5 Ampere DC meter 30.00
1 Sparta 0-6.0 Ampere DC meter 30.00
1 Sparta 0-100 multi-meter 30.00
1 Sparta 0-125% power meter 30.00
1 Sparta 0-10 VAC meter 30.00
1 Sparta 0-300 VAC meter 30.00
 

Miscellaneous

 
1 Bodine 828VG051 type KCI-22C4A1 bi-directional motor commonly used for raise/lower functions on transmitters.  115 VAC/60 Hz/1-phase/7.5 watts.  Runs at 5.5 RPM, has 75 inch-ounces of torque, and has a 1/4' diameter output shaft.  Included is a .85 mfd/220 VAC capacitor.  Used, but in good condition.         $60.00
1 CCA  570 uhy/5 amp RF choke.  Commonly used in a CCA 3 KW FM transmitter  Good condition 90.00
3 CCA 3 KW Tuning (L13) and Loading (L14) inductors. Good condition  photo 1     photo 2 200.00
1 Cablewave 42-318-50 20 KW 88-108 MHz Low-Pass Filter.  3-1/8" EIA input and output connections.  Good condition.  Too big to ship.  You need to pick it up. 475.00
1 Collins/Continental 353-0435-010 2 KV/3 phase rectifier for 25 KW FM transmitter 100.00
1 Collins/Continental 353-6551-010 Assembly with two SCRs sandwiched between heat sinks.  Good condition 150.00
1 Collins/Continental 549-2465-004 (replaces 549-2389-003) 500 pf plate blocking capacitor and chimney for 5CX1500A/B tube in FM transmitter.  New unused. 100.00
4 Collins/Continental 648-8095-001 Filament Voltage Regulator card for use in 10 and 20 KW 831series and later FM transmitters 30.00
2 Collins/Continental 786-3085-001 Filament Voltage Regulator card for use in 10 and 20 KW 831series and later FM transmitters 30.00
1 Collins/Continental Tuning plate for 831F-1A Transmitter in FM transmitter.  (curved aluminum plate 6" x 6" with mounting holes) New unused. 20.00
2 CRL 2DSPHTT501KAB  500 pf at 5KV ceramic capacitor used in RCA BTF-20 FM Transmitter.  3/4" long x 1 5/16" diameter with 10-32" threaded ends. New. 200.00
2 Dwyer Electronics 1820 5.  Adjustable air pressure sensor for use in a transmitter. Has air connections for the high and low pressure side of the diaphragm.  Has a SPDT switch to indicate adequate air pressure.  Used, but in good condition.  (also listed on the AM transmitters page) 40.00
1 Eimac Y 296 Air Chimney for 4CX5000A Tube.  Used in Collins/Continental 831F-1A Transmitter in FM transmitter and others.  Used, but in good condition 20.00
2 Heinemann HB1-533-XBX.  115 VAC/1 second time delay used in a CCA 3 KW FM transmitter.  Good condition 50.00
2 Heinemann HB1-533-XBX.  115 VAC/60 second time delay used in a CCA 3 KW FM transmitter.  Good condition 50.00
1 Heinemann 33633S 3-pole circuit breaker.  250 VAC/30 Amp.  Commonly used in CCA 3 KW FM transmitters.  Used. 100.00
5 High Voltage Shorting Stick. 28" long.  Removed from RCA transmitters.  In good condition.  Two have 48" long heavy braided ground leads, two have 72" leads and one has no ground wire.  Also listed in used AM transmitters and power supplies. 25.00
1 Moseley CSA-3 DC Metering Amplifier. Runs on 120 VAC and amplifies low level DC metering up to 10 times.  Good working condition.   30.00
18 Phelps-Dodge Radomes halves for model CFMHP-1 through 14 series FM broadcast antenna The radomes halves are fiberglass and about 2 feet in diameter.  These radomes are used, but in good enough condition to be used as replacements for antennas with damaged radomes.  We are selling one half of a radome at a time as you may only need one half.  Each complete radome needs 17 nylon screws and nuts to hold it together.  We are selling each nylon bolt and nut combination for $2.00.  Photo  50.00
1 Prodelin Bi-Directional RF Sample Coupler.  50 ohm EIA w/1 inner connector 150.00
. Power supply parts for transmitters.  See  .
4 RCA 210340 Feed-Thru Bushg, Ceramic (ceramic feed-through insulator).  Goes in 3/4" diameter hole.   Center hold can accommodate a #10 bolt.  Also known as NS5W4104 CAS and NS5W4204 CAS.  New, unused in original RCA factory box. (also in AM transmitter section) 30.00
1 Silicon Valley 0101-700CH FM Power Amplifier for 88 to 108 MHz .  Capable of 700 watts output with about 10 watts input.  Often used as an IPA on Continental FM transmitters.  Requires 50 VDC.  Heat sink is 9" x 7" to 7-3/8" x 3".  Repaired and working in good condition.  Photo 1  Photo 2  Photo 3 900.00
1 TRW PT3134E matched pair of RF transistors for a Gates TE series FM exciter.  New unused. 60.00
1 Westinghouse EB3010  style no.4990D03G33  3-pole 10 Ampere 240 VAC circuit breaker.  Used, but in good working condition  Also listed in used AM transmitters and power supplies. 100.00
1 Westinghouse FB3030L  style no.4992D46G37  3-pole 30 Ampere 600 VAC circuit breaker.  Used, but in good working condition  Also listed in used AM transmitters and power supplies. 100.00

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page last edited 02/21/2010