S2M-3 - 1/4W Stereo line level to mono mic level coupling box.

SKU: S2M-3

Sale price$60.74

Shipping calculated at checkout

1 sub-assemblies in stock. Estimated to ship 1 to 2 weeks or less.
Quantity Discounts
10~24 pcs 5% off
25~99 pcs 10% off
100~499 pcs 15% off
500+ pcs 20% off
Orders over 25 pcs may take longer. Please contact us for scheduling and dates.


Specially designed to  to couple a stereo line level signal to a mono signal.

Primary (Input)
This is a stereo unbalanced 10K Ohms auxiliary line input. The connectors are an unbalanced standard phono (RCA type) jacks. This input is ideal for stereo CD players, tape decks, tuners or other stereo unbalanced auxiliary level inputs.

Secondary (Output)
This is a balanced 1K Ohms microphone level output. The connector is a 3 pin screw Eurostyle connector for the balanced output and a phone (RCA type) jack for the unbalanced output. The microphone level output Is good for low level microphones inputs on amplifier and mixers.

Magnet Wire
All units are wound with the finest virgin copper magnet wire. All windings use heavy insulated wire to provide excellent manufacturing yield, lower customer cost and superior life.

The Core
EDCOR uses the finest M6 line grain oriented steel cores. Each unit is hand stacked to assure at least 92% stack.

The Bobbin
Injection molded Nylon 6/6 with the addition of 30%-35% glass fibers. The addition of glass fibers allows a higher heat deflection temperature and it brings the material to a class HB UL temperature classification.

The enclosure is a rugged black ABS plastic molded box for a clean look.

Surface Mounting
The unit is designed for surface mounting with the use of four screws or with double back tape (not provided). See dimensional drawing.


Transformer PC6415
Wattage 0.25W
Input Maximum Voltage 5Vrms
Input Stereo Phone (RCA type) Unbalanced Auxiliary Level
Primary (input) Impedance 10K Ω
Output Eurostyle Connectors for the Balanced Output.
Phone (RCA type) fot the Unbalanced Output.
Secondary (output) Impedance 1K Ω (Balanced Mic. Level)
Winding Configuration Interleave Winding
Frequency Response 20~20K Hz., <1dBu
THD+Noise <0.05% @ 1K Hz.
Frequency Response/THD+Noise Plot PC6415
Insertion Loss <0.5 dB
Enclosure ABS Plastic Molded Box
Surface Mounted
Weight 0.5 lbs.
Compliance RoHS REACH
Dimensional Drawing 12000-S2M00-03

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