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140EX Impedance Matching Audio Transformers

Hammond's 140EX Studio-Grade Impedance Matching Audio Transformers operate in the 20Hz to 20KHz frequency range. The metal can construction provides excellent shielding from a broad range of external sources. They are designed for maximum bandwidth and low distortion (at +10dBm power level or less). The nickel core provides high permeability combined with low losses. Typical applications for these audio transformers include input/output isolation, line matching, driver, and hybrid applications.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (RON) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Product	Termination Style	Frequency Range	Primary Impedance	Secondary Impedance	Number of Channels	Width	Height	Series	Packaging
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 600CT:600CT ohms 140QEX Hammond Manufacturing 1: 562,98 lei 37In Stock	Mfr. Part No. 140QEX Mouser Part No 546-140QEX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 600CT:600CT ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	37In Stock	562,98 lei 501,40 lei 483,11 lei 449,45 lei View 437,15 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	600 Ohms	600 Ohms	Single	31.8 mm	25.4 mm	140EX	Bulk
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 10K:10K ohms 140UEX Hammond Manufacturing 1: 563,03 lei 26In Stock	Mfr. Part No. 140UEX Mouser Part No 546-140UEX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 10K:10K ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	26In Stock	563,03 lei 501,46 lei 483,11 lei 452,02 lei View 441,38 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	10 kOhms	10 kOhms	Single	31.8 mm	25.4 mm	140EX	Bulk
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 150/600: 600/2400 ohms 140PEX Hammond Manufacturing 1: 510,07 lei 3In Stock 10Expected 10/28/2026	Mfr. Part No. 140PEX Mouser Part No 546-140PEX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 150/600: 600/2400 ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	3In Stock 10Expected 10/28/2026	510,07 lei 463,36 lei 448,01 lei 434,69 lei View 422,01 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	600 Ohms	2.4 kOhms	Single	31.8 mm	25.4 mm	140EX	Bulk
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 1000:1000 ohms 140TEX Hammond Manufacturing 1: 509,59 lei 5In Stock	Mfr. Part No. 140TEX Mouser Part No 546-140TEX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 1000:1000 ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	5In Stock	509,59 lei 484,23 lei 476,63 lei 469,30 lei View 462,88 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	1 kOhms	1 kOhms	Single	31.8 mm	25.4 mm	140EX	Bulk
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 50:1500 ohms 140NEX Hammond Manufacturing 1: 473,90 lei 1In Stock	Mfr. Part No. 140NEX Mouser Part No 546-140NEX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 50:1500 ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	1In Stock	473,90 lei 410,72 lei 394,35 lei 389,43 lei View 383,49 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	50 Ohms	1.5 kOhms	Single	31.8 mm	25.4 mm	140EX	Bulk
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 100K: 1500 ohms 140MEX Hammond Manufacturing 1: 447,96 lei 6Factory Stock Available	Mfr. Part No. 140MEX Mouser Part No 546-140MEX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 100K: 1500 ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	6Factory Stock Available More Info Available	447,96 lei 427,57 lei 410,56 lei 405,26 lei View 397,77 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	100 kOhms	1.5 kOhms	Single	31.8 mm	25.4 mm	140EX	Bulk
	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 600CT:150 ohms 140REX Hammond Manufacturing 1: 567,90 lei 8Factory Stock Available	Mfr. Part No. 140REX Mouser Part No 546-140REX	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, studio grade impedance matching, 600CT:150 ohms Learn More about Hammond Manufacturing hammond 140ex	Datasheet	8Factory Stock Available More Info Available	567,90 lei 479,36 lei 476,79 lei 467,91 lei View 461,33 lei Quote	Min.: 1 Mult.: 1			Impedance Matching Transformers	Wire Lead	20 Hz to 20 kHz	600 Ohms	150 Ohms		31.8 mm	25.4 mm	140EX	Bulk