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

801 TRANSFMR AUDIO 50/200 50/200 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	200, 50/50	200, 50/50	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
834 TRANSFR AUDIO 5K/20K 10K/40K IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	1:4	20k, 5k/5k	40k, 10k/10k	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
832 TRANSFR AUDIO 5K/20K 20K/80K IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	1:2	20k, 5k/5k	80k, 20k/20k	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
807 TRANSF AUDIO 7.5/30 600/2400 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	30, 7.5/7.5	2.4k, 600/600	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
809 TRANSF AUDIO 50/200 600/2400 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	200, 50/50	2.4k, 600/600	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
812 TRANSF AUDIO 150/600 12K/48K IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	500, 125/125	40k, 10k/10k	3.11Ohm	1.432kOhm	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	750V	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
804 TRANSF AUDIO 150/600 150/600 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	500, 125/125	500, 125/125	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
802 TRANSFR AUDIO 60/240 150/600 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	200, 50/50	600, 150/150	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
808 TRANSFR AUDIO 50/200 10K/40K IMP Hammond Manufacturing	0 In Stock	Active	800	Bulk	Active	-	200, 50/50	40k, 10k/10k	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
835 TRANSF AUDIO 10K/40K 10K/40K IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	1:1	40k, 10k/10k	40k, 10k/10k	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
841 TRANSFMR AUDIO 5K/20K 50/200 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	20k, 5k/5k	200, 50/50	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	20dB Max	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
844 TRANSF AUDIO 12K/48K 150/600 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	40k, 10k/10k	500, 125/125	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	20dB Max	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
842 TRANSFR AUDIO 6K/24K 150/600 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	20k, 5k/5k	500, 125/125	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	20dB Max	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
813 TRANS AUDIO 150/600 720/2880 IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	600, 150/150	2.4k, 600/600	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug
806 TRANSFR AUDIO 7.5/30 10K/40K IMP Hammond Manufacturing	0 In Stock	Obsolete	800	Bulk	Obsolete	-	30, 7.5/7.5	40k, 10k/10k	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.752" L x 1.252" W (44.50mm x 31.80mm)	2.559" (65.00mm)	Solder Lug

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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.