Audio Transformers

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Turns Ratio - Primary:Secondary	Impedance - Primary (Ohms)	Impedance - Secondary (Ohms)	DC Resistance (DCR) - Primary	DC Resistance (DCR) - Secondary	Transformer Type	Frequency Range	Frequency Response	Voltage - Isolation	Insertion Loss	Return Loss	Power Level	Operating Temperature	Approval Agency	Mounting Type	Size / Dimension	Height - Seated (Max)	Termination Style

150J032 AUDIO XFMR 600 / 600CT TH Hammond Manufacturing	0 In Stock	Active	150	Bulk	Active	-	600	600CT	67Ohm	90Ohm	Voice	300Hz ~ 3.4kHz	0.5dB	-	1.5dB	26dB	-	-	-	Through Hole	1.650" L x 1.340" W (41.91mm x 34.04mm)	0.650" (16.51mm)	PC Pin
150J011 AUDIO XFMR 600 / 600 TH Hammond Manufacturing	0 In Stock	Obsolete	150	Bulk	Obsolete	-	600	600	34Ohm	47Ohm	Voice	300Hz ~ 3.4kHz	0.5dB	-	1.25dB	24dB	-	-	-	Through Hole	0.955" L x 0.685" W (24.26mm x 17.40mm)	0.500" (12.70mm)	PC Pin
150J211 AUDIO XFMR 600 / 600 TH Hammond Manufacturing	0 In Stock	Obsolete	150	Bulk	Obsolete	-	600	600	31Ohm	39Ohm	Voice	300Hz ~ 3.4kHz	0.5dB	-	0.7dB	18dB	-	-	-	Through Hole	0.375" L x 0.310" W (9.53mm x 7.87mm)	0.400" (10.16mm)	PC Pin
150J203 AUDIO XFMR 600 / 600 TH Hammond Manufacturing	0 In Stock	Obsolete	150	Bulk	Obsolete	-	600	600	74Ohm	97Ohm	Voice	300Hz ~ 3.4kHz	1dB	-	2dB	18dB	-	-	-	Through Hole	1.290" L x 1.400" W (32.77mm x 35.56mm)	0.500" (12.70mm)	PC Pin

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Audio Transformers

Like most other transformer products, audio transformers consist of two or more magnetically coupled coils of wire, usually wound around a magnetic core. They are distinguished from other transformer types by being adapted and characterized for use at frequencies across all or a significant portion of the human audible range spanning roughly 20 Hz to 20 kHz, and are used for isolation and transformation of information in analog format, as contrasted with transformers designed for transmission of information encoded using a digital signaling protocol. Examples include output transformers for vacuum tube amplifiers and voice coupling transformers for traditional telecom applications.