M. W. Persons and Associates, Inc.

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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.

Quantity
Available
Telephone Audio Interfaces and Test Equipment for Recording and On-Air
1 ACS Communications 752-0880-0201 Record Jack.  This device connects with an existing telephone handset cord.  It lets you record audio from your phone calls.  There is a 1/8" (3.5 mm) jack on the side.  Use a 1/8" to 1/8" cable (not supplied) to connect to a cassette recorder or computer sound card for recording.   Good condition.  $10.00.
1 ADC 172E audio transformer.  Good condition.  $18.00.
1 Archer/Radio Shack 43-236B Telephone Recording Control box.  Has RJ-11 plug to connect to a telephone line.  This unit automatically starts a cassette recorder when a phone line is in use and stops it after a phone is hung up. Has a cable that plugs into a 1/8" (3.5 mm) audio jack on a cassette recorder and a 3/32" (2.5 mm) plug to run the machine.  $10.00.
1 Heath ST-2204 Telephone Line Analyzer.  Has a meter to show line loop current and ringing voltage.  Works fine.  (also in Heath equipment listing)   $20.00.
1 Midcom 671-0406 audio transformer.  Good condition.  $18.00.
1 M. W. Persons Custom audio interface for digital and VOIP telephones.  Details
3 Radio Shack 43-1237.  This device connects with an existing telephone handset cord.  It lets you record and play back audio from your phone calls.  There is a cable 1/8" (3.5 mm) plug to connect to a cassette recorder or computer sound card for recording or playing.   Good condition.  $10.00 each.
3 Tellabs 4425 Dual Wideband Repeat Coil on plug-in circuit card in 28MA31 Card Cage.  Switches select 150 or 600 ohms on inputs and outputs.  Good working condition.  Three available at $40 each.  All 3 for $100.  also see used audio transformer page
2 Western Electric 500Z (841331135B) Telephone audio coupler with surge protection.  Has 2602AW WE8MV80 audio transformer.  Frequency response -1 dB at 200 KHz, -1 dB at 35 Hz, and -2 dB at 20 Hz.  Maximum 0 dBm at 50 Hz.  Good working condition. $40.00 each
1 Western Electric 500Z (841331135B) Telephone audio coupler with surge protection.  Has 2602AW WE8MV80 audio transformer.  Frequency response -1 dB at 200 KHz, -1 dB at 35 Hz, and -2 dB at 20 Hz.  Maximum 0 dBm at 50 Hz.  Good working condition.  Same as above only does not have plastic cover.  $35.00
1 Western Electric Rep 120E Telephone audio transformer.  Good working condition.  Also shown in Audio Transformers.  $20.00
1 Western Electric Rep 120K Telephone audio transformer.  Good working condition.  Also shown in Audio Transformers.  $20.00
3 Western Electric Rep 189D Telephone audio transformer.  Good working condition.  Also shown in Audio Transformers.  $20.00 each
Any Zercom ZH-2 Telephone Hybrid for use in radio studios.  Details
Quantity
Available
Telephone System Parts
1 For studio audio transformers, go to: http://mwpersons.com/Used-Audio-Transformers.html
1 Elgin 31 EAK41 Power Supply. 95 to 250 VAC/50-60 Hz input with 100-120 VAC/0.05 Ampere 25-30 Hz ringing output, 8-12 VAC/2.00 Ampere lamp output, and 20-28 VDC/4.00 Ampere output.  Very good condition.  $100.00.
1 GN Netcom MPAII 8843-81-02 Headset/Microphone with desk control box.  Connects to the handset cable on a telephone. Good working condition.  Uses two AA batteries (not included).  $20.00
1 ITT 31 (A) 690 Power Supply. 105 to 120 VAC input with 15-18 VAC/2.25 VA  output.  Same as Western Electric 2012B.  Good.  $10.00
1 Stromberg-Carlson 21A Repeating coil audio transformer.  Good working condition.  $20.00.
1 Suttle SE-260 Electronic Tone.  The unit will beep when connected to a telephone line and it detects a ring signal.  Has a volume control.  Good working condition.  $20.00
Quantity
Available
Toshiba Telephone Equipment
1 Toshiba DK40i Digital Business Telephone System.  Complete with power supply, BDKU1, PDKU2, RC0U1,and RCS01 plug-in cards.  Good working condition.  No telephone sets included.  $100.00
3 Toshiba DKSUE424A add-on chassis for DK280 Telephone System.  Each with 4 station cards and power supply.  Good working condition.  $100.00 each.
10 Toshiba DKT2010-SD 10-button telephones.  Good working condition.  $50.00 each.
5 Toshiba DKT2010-H telephones.  Good working condition. (same as above except without LCD display)   $30.00 each.
1 Toshiba DKTSUB280A.   $100.00.
3 Toshiba DKSUE424A.   $125.00 each.
2 Toshiba DKSUE280A.   $125.00 each.
3 Toshiba RDTU1 T1 Cards.  $75.00 each.
6 Toshiba PDKU2    $55.00 each
4 Toshiba RSTU1  $50.00.
1 Toshiba REMU1A   $50.00.
1 Toshiba RBDB2A Battery Distribution.    $50.00.
1 Toshiba RBDB1A Battery Distribution.    $50.00.
1 Toshiba RSTU2.   $50.00.
1 Toshiba RSTU2.   $50.00.
1 Toshiba RSTU2.   $50.00.
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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 07/09/2017