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
Studio Equipment
2 Arrakis 5,000 Series Audio Console book with schematic diagrams.  Excellent.  $35.00 each.
2 Arrakis 10,000 Series Audio Console book with schematic diagrams.  Excellent.  $35.00 each.
2 Arrakis 12,000 Series Audio Console book with schematic diagrams.  Excellent.  $35.00 each.
many Arrakis many new and used parts for 150SC, 250SC, 500SC, 600SC, 1500SC, 2000SC, and 2100SC series consoles.  email
1 Benchmark Media DOA-3 Differential Output Amplifier module.  Universal output device designed to provide both a balanced output and the gain necessary to interface consumer and semi-professional analog audio equipment to professional environment.  This unit is a circuit card attached to an A3M chassis output connector.  Has variable gain up to 26 dB and an output impedance of just 60 ohms.  Needs a power supply with up to +/- 22 VDC.     Good working condition with instruction manual.  $30.00 each.
1 CircuitWerkes SEN-6 Subaudible Tone Encoder with 19" x 1.75" rack mount.  Generates 25, 35, and 25/35 Hz tones.  It can also generate 50 and 75 Hz tones.  It was $478 when new in 2009 and is in excellent condition. KKCQ  $210.00 each.
1

Kramer VM-50AN 1:5 Audio Distributor.  This is a stereo audio distribution amplifier with five outputs.  A front panel switch selects balanced or unbalanced for the input.  There are level controls on the inputs.  That means all outputs come out at the same level.  Those active balanced outputs can be wired balanced or unbalanced.  Bench tested, working 100%.  Comes with a power supply and a complete set of rear panel connectors.  $60.00.

1 Radix DA-1600  Audio Distribution Amplifier.  Stereo active balanced inputs with eight active balanced outputs per channel or monaural with 16 outputs. Inputs and outputs can be wired as balanced or unbalanced audio. Every output is adjustable in level via front panel controls.  Maximum +20 dBm at each output.  Shop tested and fully working.  Compete with power cord and a full set of rear panel connectors.  Designed for mounting in a 19 inch wide equipment rack.    $90.00 each.  photo 1   photo 2
2 RDL  (Radio Design Labs) ST-SSR-1 Solid State Relays  (selects 1 of 2 audio sources) New and unused.  Specs and photo  Also on Specials page   $60.00 each
2 RDL  (Radio Design Labs) ST-STA-1 Universal Line Amplifier.  Used, but in excellent working condition with a 24 VDC/250 m.a. power supply and instruction manual.  $95.00 each.  Specs and photo  Subtract $15 if you don't need the power supply. 
1 Scala CA5-FM/HRM Yagi antenna cut to the low end of the FM broadcast band.  Up to 250 watts with a 50 ohm N connector.  Comes with rear-mount hardware.  Used.  $100.00 each.
1 Scientific Atlanta 7455 Satellite Dish alignment tool.  new.  $50.00 each
2 Sony SS-220  8 Ohm/20 Watt Speakers with 10-foot cable.  Very good condition.  $20.00 each.
2 Tascam BR-20 Series Operation/Maintenance manual.  Complete with fold-out schematics and mechanical drawings.  Very good condition.  $25.00 each.
2 Technics SL-PG450 Compact Disc Player Service Maintenance manual.  Complete with fold-out schematics and mechanical drawings.  Very good condition.  $25.00 each.
many Zercom ZH-2 Telephone Hybrid, PS-2 Patch Switch, Gain Box, and Audio Distribution Amplifier.  Details
Quantity
Available
Microphones and Accessories
1 Altec Lansing 1578A Transistor Preamplifier.  Input impedance 150 ohms(useable 30 ohms to 20K ohms).  Output 600 ohms.  33.5 dB gain, +8 dBm maximum output.  Runs on 12 VDC, 13 m.a.  Typically used as a microphone preamplifier.  Tested and in good condition .  $25.00.  
1 Aiwa DM-51 Dynamic Microphone.  10K ohm with cable and 1/4" plug.  Has a clip to mount it to a microphone stand.  Near mint condition in original Aiwa box.  $20.00.  
5

Electro Voice 635A omni-directional microphones.  We have five of them in working condition. $30.00 each.

1

Electro Voice RE-50 omni-directional microphone.  This one works and is in average condition.  $75.00.

1

Electro Voice RE-20 cardioid microphone.  This one works, but is in tough condition.  I think it is a good candidate to send in for factory service to return it to its former glory.  $50.00.

1

Electro Voice 664 cardioid microphone.  Silver colored and has a desk stand and 10 feet of cable with an XLR-3 connector.  $75.00.

1

Gates G300 cardioid microphone.  This is an Electro Voice 664, painted gray with a Gates label.  Comes with 6 feet of cable and an XLR-3 connector.  $75.00.

1

Sennheiser MD421-U-5 Microphone.  Comes with mounting clip.  Working and in average condition.  $75.00.

1

Luxo Microphone Arm with tabletop mount.  Gray color and in very good condition with all springs and very little wear.  $25.00.

1

Samson S Phantom 2-channel 48-volt phantom power supply for microphones.  Has XLR-3 input and output connectors.  Bench tested and found to be in good working condition.  Comes with power supply.  $35.00.

1 Shure 300 Bi-Directional Gradient (ribbon) Microphone.  Has voice/music switch to adjust frequency response.  Also an impedance selector for 38 or 150 ohms as well as high impedance.  Built-in vibration isolator.  Near-mint condition, complete with the original "Shure, The Mark of Quality" case.  Instruction manual included.  Excellent working condition.  $350.00.    Photo 1    Photo 2    Photo 3
Quantity
Available
Phono Turntables and Accessories
1

Philmore/Datak LKG Industries PRE600 Stereo Phono Preamplifier.  Chinese made.  Bench tested and in good working condition.  $20.00.

2

Shure M64 Stereo Phono Preamplifier.  Bench tested and in good working condition.  There are two available at $75 each.

1 Shure N44-7 Phono Stylus.  New in original box. $25.00.
1 Stanton 310 Stereo Phono Preamplifier.  Bench tested and in good working condition..  $150.00.
1

Technics SL1200MK2 Direct Drive Turntable with Shure M44-7 phono cartridge and a good Shure N44-7 Styli.  Good working condition although there is a crack in the back of the plastic dust cover.  $350.00.

Quantity
Available
Reel to Reel and Accessories
3 Opamp Labs 365P Tape Head Preamplifier Equalizer.  good.  $15.00 each.
1 Otari MX-50 Professional Recorder Instruction and Maintenance Manual.  Comes complete with mechanical drawings and schematics.  Good condition.  $25.00 each.
3 Otari ARS-5050BII Professional Recorder Instruction and Maintenance Manual.  Comes complete with mechanical drawings and schematics.  Good condition.  $25.00 each.
3 Otari ARS-1000 Automated Radio Station Reproducer Instruction and Maintenance Manual.  Comes complete with mechanical drawings and schematics.  Good condition.  $25.00 each.
1 Otari MR2F014 Drive motor.  Used, but in good condition.  $30.00 each.
1 Otari TF11010 Power transformer for an Otari ARS-1000DC reel to reel machine.  New unused.  $40.00 each.
Quantity
Available

120 Volt Power

  See Power Conditioning Page

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 07/10/2017