M. W. Persons and Associates, Inc.

     Over 30 Years in Business

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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, email us:  teki@mwpersons.com  Put "Broadcast" in the subject line.

  Diodes and rectifiers
Quantity
Available
0 to 11 VDC Power Supplies
1 Deer Computer Company Switching Power Supply.  100 or 240 VAC 47/63 Hz input with two 6.0 to 7.5 VDC/2.15 to 1.7 A output.  Has an F connector on the DC output cable.  Good used condition.  $20.00 each.
1 FKG30.16/60042-1 Switching Power Supply.  115 or 230 VAC 50/60 Hz input with two 6 VDC/1.17 A outputs.  Good used condition.  $30.00 each. 
1 Lambda LM B5 Regulated Power Supply. 5 DC +/- 5%/3.7 Ampere maximum120 VAC/50-60 Hz input.  It is 4-7/8" wide x 3-1/8" high x 6-1/2" deep with a 120 Volt power cord.  Good used operating condition $50.00 each.
Quantity
Available
12 to 13.8 VDC Power Supplies
1 Computer Products/Packaged Power PGR 114C Switching Power Supply.  100/120 VAC 47/440 Hz input with 12 VDC/1.2 Ampere output.  3-3/4" wide x 3-7/8" deep x 1-1/2" high.  Used, but in good working condition$20.00 each.
10 DVE DSA-0421S-12 2 Switching Power Supply.  100-240 VAC 50/60 Hz input.  12VDC/2.5 ampere output.  Typically used for notebook computers or similar equipment.  3.70" x 2.20" x 1.25."  New $20.00 each. 
1 FKG30.16/60010-1 Power Supply.  115 or 230 VAC 50/60 Hz input with two 12 VDC/400 MA outputs.  Good used condition.  $30.00 each.
3 Sceptre PS-1230APL05 Switching Power Supply.  100-240 VAC/50-60 Hz input.  12.0VDC/3 ampere output.  Size 1-11/16" wide x 1-3/16" high x 7-14-1/4" deep.  These are completely enclosed units with a 120 VAC power cord included.  Each has a 5-3/4 foot output cable.  Excellent condition.  $25.00 each.
4 Spectra Engineering PPS12 Regulated Power Supply.  110 VAC input.  13.8VDC/11 ampere output.  Size 7-1/2" wide x 2-3/4" high x 7-1/2" deep.  Each power supply has an internal cooling fan.  In excellent condition. (if you buy two, they will come on a 3-1/2" high x 19" rack panel at no extra charge.  $50.00 each.
many Zercom external wall-mounted power supply with 5-pin DIN plug used on Zercom Max-Z, Zercom Max- ZII Remote Broadcast Telephones, and Zercom DA-8S Audio Distribution Amplifier.  New  Details  $22.00.  (best to buy two so you have a spare on hand when you loose one at $20 each.)
Quantity
Available
16 to 28 VDC Power Supplies
1 IBM 92P1020 16VDC/4.5 Ampere Power Supply typically used with notebook computers120 VAC/50-60 Hz input.  It is 4.5" x 2" x 1" with a 120 Volt power cord.  Excellent used condition.  $20.00 each.
1 Lambda LOS-W-24-6955 Regulated Power Supply. 24 VDC/4.8 Ampere maximum120 VAC/47-60 Hz input.  It is 4-7/8" wide x 3-1/8" high x 6-1/2" deep with a 120 Volt power cord.  Bolted to an L bracket that is 5-1/4" wide x 3-1/4" high x 11-1/2" long.  Can be easily removed from the bracket.  Good used operating condition.  $60.00 each.
1 Lenovo 92P1105 20VDC/4.5 Ampere Power Supply typically used with notebook computers120 VAC/50-60 Hz input.  It is 4.9" x 2" x 1.2" with a 120 Volt power cord.  Excellent used condition.  $20.00 each.
1 Mean Well S-100F-24 switching power supply.   24VDC/4.5 Amperes output.  100 to 120 VAC/50-60 Hz or 200 to 240 VAC input.  8" x 4" x 1.4".  Often found in Nicom NT-30 FM Exciters.  New condition.  $40.00 each.
many Zercom external wall-mounted power supply with 5-pin DIN plug used on Zercom Max-Z, Zercom Max- ZII Remote Broadcast Telephones, and Zercom DA-8S Audio Distribution Amplifier.  New  Details  $22.00. (best to buy two so you have a spare on hand when you loose one at $20 each.)
Quantity
Available
48 VDC Power Supplies
2 James Electronics 14319 48VDC/100 m.a. Power Supply.  It is 2" x 2.2" x 1.8" with a built-in 120 VAC/60 Hz plug   One power supply has a 3-pin connector on the 48 VDC output and the other does not.  Excellent used condition $15.00 each.
1 Westell A90-606004 Regulated Power Supply.  117 VAC/60 Hz input.  48VDC/2.0 ampere output.  Good condition.  $30.00 each.  
Quantity
Available
Multiple Voltage Power Supplies
1 Elgin EAK41  24 VDC/4.00 Ampere, 100-120 V ringing, and 8-12 Volt lamp Power Supply.  95-250 VAC 50/60 Hz input.  Good condition $50.00 each.
1 Power-One HBAA-40W-A Power Supply.  100, 120, 220, or 230/240 VAC/47-63 Hz input with a 5 VDC/3 Ampere output and a +/- 12 VDC/1.0 Ampere output, which can be adjusted to +/- 15 VDC/0.8 Ampere output.  4" wide x 3" high x 10-1/4" wide.  Almost new condition $40.00 each.
1 Power-One HTAA-16W-A Power Supply.  100, 120, 220, or 230/240 VAC/47-63 Hz input with a 5 VDC/2 Amp. output and a +/- 12 VDC/0.4 Amp. output.  Good used condition $35.00 each.
2 Unipower/The Power Solution AD-070U-T122-004, 70 watt switching power supply.  90 to 264 VAC 47/63 Hz input.  The outputs are +5.2 V/1 Amp., +10 V/2 Amp., and +24V/1 amp output.  Good used condition $35.00 each.
Quantity
Available
Control/Isolation Power Transformers
1 Sola Electric 23-22-125 OC Constant Voltage Transformer.  Harmonic neutralized type CVS transformer.  95 - 130 or 190 - 250 VAC/60 Hz primary.  118 VAC/250 VA secondary.  Good working condition. $80.00 each.  (also in power conditioning)
2 Triad N-51X isolation transformer. 115 VAC 60 Hz primary.  115 VAC secondary.  35 VA.  Has a shield wire too.  Good condition.  $30.00 each. 
Quantity
Available
Power Converters
1 H-A-S Rotary Phase Conversion System.  Model R50/100230.  Single-phase 230 VAC/60 Hz input and makes 230 VAC three-phase power.  Typically used to run a 20 KW FM transmitter, as this one did from 1980 to 2008Made by Steelman Electric.  Rated at 50 hp with a maximum of 100 hp.  Good operating condition.  Customer must pickup in Grand Rapids, MN.  Questions?  Email:  teki@mwpersons.com
Quantity
Available
Low Voltage and Filament Transformers
1 5.0 volts/40 ampere C.T. secondary.  Electro Engineering Works 316-D152-01  E30211 filament transformer for a 5CX1500A or B tube.  208-240 VAC single-phase primary.  Also has a 6.0 VAC/2.6 ampere secondary for a 4CX150 or 4CX250B tube.  50/60 Hz.  Good condition $150.00 each.   
1 6.3 VAC/300 m.a. secondary.  Radio Shack 273-1386 power transformer. 120 VAC/60 Hz single-phase primary.  Designed for mounting inside an equipment chassis.  Good condition $7.00 each   
1 6.3 volts/0.6 ampere C.T. secondary.  Stancor P-8705  Filament transformer. 230 VAC single-phase primary.    50/60 Hz.Good condition $20.00 each.    
1 7.5 VAC 51 Amperes output with a center tap.  EP-3222 Filament Transformer.  197 to 241 VAC 50/60 Hz input.  Typically used for a 3CX3000A tube.  Good condition $150.00 each.  
1 11.1 VAC/4 amp. or 12.2 to 29.7 VAC 2 amp secondary  Stancor RT-202  Transformer. 117 VAC single-phase primary.  When connected to rectifier diodes, you can get 12.2 to 29.7 amperes DC at up to 4 amperes.    50/60 Hz.  Good condition $35.00 each.
18 12 VAC/150 m.a. power transformer. 115 VAC/60 Hz single-phase primary.  Designed for mounting inside an equipment chassis.  Good condition $7.00 each.    
9 12 VAC/500 m.a. power transformer. 115 VAC/60 Hz single-phase primary.  Designed for two-hole mounting inside an equipment chassis.  Good condition $8.00 each.    
1 12 VAC and 24 VAC outputs on separate windings  Tamura model 3FD-324 single phase power transformer. 12 VAC/200 m.a. or 24 VAC/100 m.a. on the secondary side. 120 or 240 VAC 50/60 Hz primary.  New.  $4.00 each.
6 12 VAC and 24 VAC outputs on separate windings  Split/Tran model DST-3-24 single phase power transformer. 12 VAC/200 m.a. or 24 VAC/100 m.a. on the secondary side. 120 or 240 VAC 50/60 Hz primary.  Good condition, removed from new equipment $7.00 each    
1 12 VAC and 24 VAC outputs on separate windings  Signal Transformer model DPC-24-180 single phase power transformer. 12 VAC/360 m.a. or 24 VAC/180 m.a. on the secondary side. 120 or 240 VAC 50/60 Hz primary.  New.    
1 12 VAC and 24 VAC outputs on separate windings  P-100373 K-6L2-TK  single phase power transformer.  48 VA with wire leads.  120 VAC primary 50/60 Hz.  Good condition$10.00 each.  $8.00 each.
4 24 VAC/300 m.a. secondary.  Radio Shack 273-1386 power transformer. 120 VAC/60 Hz single-phase primary.  Designed for mounting inside an equipment chassis.  Good condition $8.00 each.    
8 24 VAC/400 m.a. power transformer. 115 VAC/60 Hz single-phase primary.  Designed for two-hole mounting inside an equipment chassis.  Used, but in good condition  Photo of similar transformer  $6.00 each.
7 24 VAC/400 m.a. center-tapped power transformer. 115 VAC/60 Hz single-phase primary.  Designed for two-hole mounting inside an equipment chassis.  Used, but in good condition  Photo  $8.00 each.
6 24 VAC/400 m.a. center-tapped power transformer. Stancor P-8396 115 VAC/60 Hz single-phase primary.  Designed for two-hole mounting inside an equipment chassis.  Used, but in good condition  Photo of similar transformer  $10.00 each.
2 25.2 volts/1.0 ampere secondary.  Stancor P-6469  Transformer. 117 VAC single-phase primary.  1500 volt insulation.  50/60 Hz.Good condition.    $15.00 each.    
1 26.8 volts/1.0 ampere C.T. secondary.  Triad/Utrad F-40X  Filament transformer. 115 VAC/60 Hz single-phase primary.  Good condition $10.00 each.
1 12.2 to 29.7 volts/4.0 amperes depending on primary and secondary taps.  Stancor RT-202 transformer.  117 VAC primary.  Good working condition complete with wiring diagrams.  $50.00.
1 35 volts/0.5 ampere C.T. secondary.  Stancor F-189X  Transformer. 115 VAC single-phase primary and    50/60 Hz.  Good condition $10.00 each.   
1 48 VAC/4 ampere center-tapped output.  Power-One 13212 Power Transformer.  115 VAC input.  For use in some Power-One power supplies.  Excellent condition.  $20.00 each.
Quantity
Available
High Voltage Power Transformers
1 Magnecord PT-6 power transformer for a tube type record/play amplifier.  Good condition $40.00 each.
Quantity
Available
Power Supply Chokes
1 Basler Electric Company BE10479001  126-0019-01.  It is a 10 Hy/0.95 amp. filter choke.  Measures 5" x 6-1/2" x 8-3/4" high.  Typically used in an FM transmitter utilizing a 5CX1500 tube.  Good condition.  $200.00 each  
1 EP2978B filter reactor.  15 Hy at 350 m.a. DC.  Rated for at least 3 KV.   5" x 5-1/2" x 8-1/4" high.  Good condition $150.00 each.  
1 Stancor RC8200 filter choke. 8 Hy.  Can be used as L3 or L4 in the low-voltage power supply of a CCA 3 KW FM transmitter.  3-1/2" x 4-1/2" x 4-1/4" high.  Good condition.  $40.00 each.  
Quantity
Available
Inverter Transformers
1 Triad TY-685 inverter transformer.  12-14 volts input with 250 volts/65 m.a. center tapped output.  Complete with Triad factory original schematic documentation showing inverter circuit.  Good condition.  $20.00.  
Quantity
Available
Variable AC Transformers
1 Ohmite VT1 Variable AC Transformer.  120 VAC input.  0 to 132 VAC/1.3 ampere output.  Good condition.  $45.00 each 

Click to inquire or purchase used equipment     Back to Used (Experienced) Equipment

Please do not call regarding used equipment items.  If you have a question, email us:  teki@mwpersons.com  Put "Broadcast" in the subject line.
 

Questions?  Email Mark Persons:  teki@mwpersons.com      

 

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page last edited 10/28/2016