Shure 545 Unidyne III If this is your first visit, be sure to check out the FAQ by clicking the link above. How to wire a Shure Unidyne III 545 xlr adapter. Can someone explain me how do I have to wire the damn thing to work properly in my studio. Hey there! But then the body should ground to the connector. Pins 1 and 2 of this connector are the high impedance output. You may have to register before you can post: click the register link above to proceed. I just bought a couple of these 545s used on ebay a couple days ago. The mating connector to the MC4F is Amphenol's part MC4M. I already got a "standard" (no holder) 545 and am very happy with it. The Shure 545 UNIDYNE® III from the 1960s The Shure 545 UNIDYNE® III 6 Foot CordThe original discontinued USA made series of the Shure 545 UNIDYNE® III microphone come highly recommended for blues harmonica. Just a friendly reminder that political discussion, (including "offhand" and 'sideways' commenting) is. I have two that were given to me with no cables. This microphone a 4 pin connection and has the special screw fitting cable. Product Details The predecessor to the SM57, the 545SD Classic Unidyne® Instrument Microphone is a dual-impedance, unidirectional, dynamic microphone. Condition: Used. I'll have to find out what I did as I can't remember. The mating connector to the MC4F is Amphenol's part MC4M. By "selection", I did not mean that there is a "switch". Wires have to be re-routed, either by soldering (4-pin), or by turning a connector(s) around (XLR 3-pin inside the mic). There is also a new model called “Shure 545 … Discussion in 'Accessories / Connections' started by MxWebb, Jan 19, (the type which changes impedance by changing the mic cable) very early I believe made in USA before Shure … 545 or 565 mic with the 4 pin Amphenol connector. can't answer your question but you might try posting it here: It's a bit confusing as there's 2 hot. Pin 2 is the hot. Is this correct? I found a PDF on Shure's website explaining that you get different impedance depending on how you wire the mic. found any particular use they excel at? No Interest if paid in full in 6 mo on $99+Opens in a new window or tab* No Interest if paid in full in 6 months on $99+. If the red wire is on pin three it's high, and white is low. ah well. Summary of Contents for Shure 545 UNIDYNE III Page 1 For unbalanced low impedance, the WHITE lead is the "hot" conductor with the BLACK lead The microphone shall be the Shure Model 545 (5453) or and shield connected together to the amplifier or chassis equivalent. I never got round to posting the correct wiring. Shipped connected for low-impedance operation, the 545SD features a silent magnetic reed on/off switch with lock-on option. The microphone shall be a dynamic (moving coil) ground. hey. The Shure 545 UNIDYNE® III and PE54 UNIDYNE® III series were all fitted with the same R45 Dynamic Cartridge, as was the Shure 544 UNIDYNE® III. One ground and one negative. To wire this output for a quarter inch connector, connect pin 1 to the sleeve (ground or shield) and pin 2 to the tip of the connector. Pin 2 is the hot. MC4 pin 3 to XLR pin 2, and MC4 pin 4 to XLR pin 3. would love to get a hold of these things! Wiring classic Shure 545 unidyne iii 4 pin amphenol to XLR Can anybody help me with the correct cable wiring for a shure 545 which has 4 pin amphenol connector (the type which changes impedance by … Over/Under Dual Mount for two microphones: SM57, BETA57A or 545 Series microphones: A26M: Gray Locking Foam Windscreen for 545 Series, SM57: A2WS-GRA: Black Locking Foam Windscreen for 545 … The internal 51E23 transformer has low impedance and high impedance windings, and is what makes the mic so powerful and versatile. I got a Shure 545S Unidyne III that has a 4 pole plug for wiring. I never got round to posting the correct wiring… Havn't really found any definitive answers and I imagine a lot of people google this. Shure 545 UNIDYNE III 4-pin connection. I have two cables soldered differently as one doesn't ground properly on the body. Wiring classic Shure unidyne iii 4 pin amphenol to XLR. An important benefit of an end-fire, cylindrical mic is the uniformity of the polar pattern. maybe I have the lo-z connected to the ground pin somehow, anyway I haven 't used +48v just in case. PE54 Unidyne III Microphone pdf manual download. The 545 Unidyne III was the first Shure unidirectional model where the user spoke into the end of the microphone. A 545 with an xlr jack will have impedance selection inside on the connector. Your 545 microphone has a four pin MC4F Amphenol connector. Assuming these were pin-3-hot.....on the mic amp male xlr end, the white wire to pin 3, black to pin 2,  shield to pin-1, red N.C.(taped off). Pins 1 and 2 of this connector are the high impedance output. This uniformity provides better gain-before-feedback in sound reinforcement systems. The cables go from that 4 pin screw fitting to xlr. View and Download Shure PE54 Unidyne III user manual online. Ok, I just checked, and Shure has it backwards. they any good? How to wire a Shure Unidyne III 545 xlr adapter. Is this correct? Professional Entertainer Microphones. Details about Vintage USA Shure 545SD Unidyne III Dynamic Microphone w/ Clip . When you buy products through links across our site, we may earn an affiliate commission. Confirm polarity with your other 545, and if needed, reverse the wht and blk leads on the xlr. Topic: Shure 545 Unidyne III wiring  (Read 7157 times). Item Information. To wire this output for a quarter inch connector, connect pin 1 to the sleeve (ground or shield) and pin 2 to the tip of the connector.