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Audio Transformers facilitate the transfer of audio signals between circuits while maintaining signal integrity. Key specifications include Frequency Range, Impedance, and DC Resistance (DCR). These components are essential for applications such as new product design and prototyping.

What are Audio Transformers ?

Audio Transformers are specialized components designed to transfer audio signals between different circuits while minimizing signal loss and distortion. They are commonly used in applications such as production electronics assembly and maintenance. Important specifications for selection include Frequency Range, which affects the audio quality; Impedance, which ensures compatibility with other components; and DC Resistance (DCR), which influences power efficiency. Validating these specifications is crucial for ensuring optimal performance in audio applications.

Part & Mfr			Approval Agency	DC Resistance (DCR)	Frequency Range	Frequency Response	Height	Impedance	Insertion Loss	Mounting Type	Operating Temperature	Power Level	Return Loss	Size	Termination Style	Transformer Type	Turns Ratio	Voltage
1615A Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	84.46Ohm, 96.25Ohm	30Hz ~ 30kHz	±1dB	3.060" (77.72mm)	5kCT	-	Chassis Mount	-	15W	-	3.250" L x 2.500" W (82.55mm x 63.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
1750U Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	15.36Ohm, 16.56Ohm	50Hz ~ 12kHz	±1dB	4.600" (116.84mm)	1.7kCT	-	Chassis Mount	-	100W	-	3.750" L x 4.020" W (95.25mm x 102.11mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	10.40:1	-
1650E Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	98.98Ohm, 101.9Ohm	30Hz ~ 30kHz	±1dB	3.060" (77.72mm)	8kCT	-	Chassis Mount	-	15W	-	3.250" L x 2.500" W (82.55mm x 63.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
1650G Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	56.93Ohm, 60.95Ohm	30Hz ~ 30kHz	±1dB	3.810" (96.77mm)	6.6kCT	-	Chassis Mount	-	35W	-	3.750" L x 3.130" W (95.25mm x 79.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
1650FA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	92.16Ohm, 102.8Ohm	30Hz ~ 30kHz	±1dB	3.060" (77.72mm)	7.6kCT	-	Chassis Mount	-	25W	-	3.500" L x 2.500" W (88.90mm x 63.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
1650HA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	63.69Ohm, 71.33Ohm	30Hz ~ 30kHz	±1dB	3.810" (96.77mm)	6.6kCT	-	Chassis Mount	-	40W	-	4.000" L x 3.130" W (101.60mm x 79.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
107R Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	720Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	10kCT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	1.58:1	100VRMS
1645A Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	72.11Ohm, 79.35Ohm	30Hz ~ 30kHz	±1dB	3.060" (77.72mm)	5kCT	-	Chassis Mount	-	30W	-	3.750" L x 2.500" W (95.25mm x 63.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
1650NA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	37.19Ohm, 42.17Ohm	30Hz ~ 30kHz	±1dB	3.810" (96.77mm)	4.3kCT	-	Chassis Mount	-	60W	-	4.250" L x 3.130" W (107.95mm x 79.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
1650PA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	71.34Ohm, 80.42Ohm	30Hz ~ 30kHz	±1dB	3.810" (96.77mm)	6.6kCT	-	Chassis Mount	-	60W	-	4.250" L x 3.130" W (107.95mm x 79.50mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	2000V @ 1 Second
290RX Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	510mOhm	-	-	4.663" (118.44mm)	-	-	Chassis Mount	-	-	-	3.756" L x 5.580" W (95.40mm x 141.73mm)	Wire Leads	-	-	120/240VAC
1650R Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	30Hz ~ 30kHz	±1dB	4.560" (115.82mm)	5kCT	±1dB	Chassis Mount	-	100W	1650R	4.250" L x 3.750" W (107.95mm x 95.25mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-
1629SEA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	20Hz ~ 20kHz	±1dB	4.560" (115.82mm)	6.5k	±1dB	Chassis Mount	-	30W	-	4.500" L x 3.750" W (114.30mm x 95.25mm)	Wire Leads	Single Ended Audiophile, Ultra-Linear - Tube Output	-	2000Vrms
1627SEA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	30Ohm, 47.44Ohm	20Hz ~ 20kHz	±1dB	4.560" (115.82mm)	2.5k	±1dB	Chassis Mount	-	30W	-	4.500" L x 3.750" W (114.30mm x 95.25mm)	Wire Leads	Single Ended Audiophile, Ultra-Linear - Tube Output	-	2828VDC @ 1 Second
1640SEA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	20Hz ~ 20kHz	±1dB	4.560" (115.82mm)	1.2k	±1dB	Chassis Mount	-	30W	-	4.950" L x 3.750" W (125.73mm x 95.20mm)	Wire Leads	Single Ended Audiophile, Ultra-Linear - Tube Output	-	2000Vrms
1638SEA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	20Hz ~ 20kHz	±1dB	4.560" (115.82mm)	10k	±1dB	Chassis Mount	-	30W	-	4.880" L x 3.750" W (123.95mm x 95.25mm)	Wire Leads	Single Ended Audiophile	-	2000Vrms
1642SE Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	20Hz ~ 20kHz	±1dB	5.250" (133.35mm)	5k	±1dB	Chassis Mount	-	75W	-	7.500" L x 4.380" W (190.50mm x 111.25mm)	Wire Leads	Single Ended Audiophile	-	3500Vrms
SP-22 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.05kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10k	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	4.48:1:1	1000VRMS @ 1 Second
124C Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	405Ohm	150Hz ~ 15kHz	±1dB	-	10k	-	Chassis Mount	-	5W	-	-	Wire Leads	Tube Driver and Speaker Matching	1:3	500Vrms
MET-50-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10k	-	Through Hole	-20°C ~ 85°C	10mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	8.62:1	1000VRMS @ 1 Second
101H Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	80Ohm	200Hz ~ 100kHz	±0.5dB	0.480" (12.19mm)	1.2kCT	-	Through Hole	-	100mW	-	0.450" L x 0.450" W (11.43mm x 11.43mm)	PC Pin	Miniature Epoxy Potted	-	-
145G Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	140Ohm	150Hz ~ 15kHz	±1dB	0.810" (20.57mm)	2k	-	Chassis Mount	-	135mW	-	1.630" L x 0.880" W (41.40mm x 22.35mm)	Wire Leads	Economical Open Type	-	-
148K Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	540Ohm	200Hz ~ 15kHz	±1dB	0.690" (17.53mm)	4k	0.5dB	Through Hole	-	75mW	-	0.820" L x 0.680" W (20.83mm x 17.27mm)	PC Pin	Economical Open Type	-	-
148Q Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.7kOhm	200Hz ~ 15kHz	±1dB	0.690" (17.53mm)	10k	0.5dB	Through Hole	-	75mW	-	0.820" L x 0.680" W (20.83mm x 17.27mm)	PC Pin	Economical Open Type	-	-
148M Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	850Ohm	200Hz ~ 15kHz	±1dB	0.690" (17.53mm)	6k	0.5dB	Through Hole	-	75mW	-	0.820" L x 0.680" W (20.83mm x 17.27mm)	PC Pin	Economical Open Type	-	-
108J Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	88Ohm	300Hz ~ 50kHz	±1.5dB	0.770" (19.56mm)	1kCT	-	Through Hole	-	150mW	-	1.030" L x 0.770" W (26.16mm x 19.56mm)	PC Pin	Miniature Epoxy Potted	1.29:1	100VRMS
106S Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.4Ohm	170Hz	-1dB	0.950" (24.13mm)	100CT	1dB	Through Hole	-	1.5W	-	1.080" L x 0.880" W (27.43mm x 22.35mm)	PC Pin	Miniature Epoxy Potted	-	200V
850CA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	6Ohm	20Hz ~ 20kHz	±0.5dB	1.650" (41.90mm)	48, 12/12	1dB	Chassis Mount	-	15dB	-	1.700" L x 1.200" W (43.18mm x 30.48mm)	Wire Leads	-	-	-
850HA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	70Ohm	20Hz ~ 20kHz	±0.5dB	1.650" (41.90mm)	600, 150/150	1dB	Chassis Mount	-	15dB	-	1.700" L x 1.200" W (43.18mm x 30.48mm)	Wire Leads	-	-	-
850JA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	69Ohm	20Hz ~ 20kHz	±0.5dB	1.650" (41.90mm)	600, 150/150	1dB	Chassis Mount	-	15dB	-	1.700" L x 1.200" W (43.18mm x 30.48mm)	Wire Leads	-	-	-
MET-11-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-20°C ~ 85°C	40mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	2.23:1	1000VRMS @ 1 Second
106H Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	340Ohm	215Hz	-1dB	0.950" (24.13mm)	4k	1dB	Through Hole	-	150mW	-	1.080" L x 0.880" W (27.43mm x 22.35mm)	PC Pin	Miniature Epoxy Potted	-	200V
MET-17-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-20°C ~ 85°C	40mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	4.7:1	1000VRMS @ 1 Second
MET-42-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	20Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	150	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	3.54:1	1000VRMS @ 1 Second
TTC-170 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1459	47Ohm	300Hz ~ 3.5kHz	±0.5dB	0.421" (10.70mm)	600	1.5dB Max @ 1kHz	Through Hole	0°C ~ 70°C	-	-	0.528" L x 0.512" W (13.40mm x 13.00mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
MET-60 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	10.5Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	135	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
1750C Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	314.2Ohm	70Hz ~ 15kHz	±1dB	1.746" (44.35mm)	5k, 8k	-	Chassis Mount	-	5W	-	2.813" L x 1.560" W (71.45mm x 39.62mm)	Wire Leads	Single Ended Audiophile, Ultra-Linear - Tube Output	49.16:1	-
1760C Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	284.2Ohm	70Hz ~ 15kHz	±1dB	1.746" (44.35mm)	5k, 8k	-	Chassis Mount	-	5W	-	2.813" L x 1.560" W (71.45mm x 39.62mm)	Wire Leads	Single Ended Audiophile, Ultra-Linear - Tube Output	44.61:1	-
1650RA Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	47.43Ohm, 54.65Ohm	30Hz ~ 30kHz	±1dB	4.560" (115.82mm)	5kCT	-	Chassis Mount	-	100W	-	4.250" L x 3.750" W (107.95mm x 95.25mm)	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	3535VDC @ 1 Second
TTC-5029 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	40Ohm	200Hz ~ 4kHz	±0.2dB	0.472" (12.00mm)	600	1dB Max @ 1kHz	Through Hole	0°C ~ 70°C	-	20dB Min @ 200Hz ~ 4kHz	0.669" L x 0.669" W (17.00mm x 17.00mm)	PC Pin	Data/Voice Coupling	1:1	1875VRMS @ 1 Second
SP-29 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.05kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	4.47:1	1000VRMS @ 1 Second
102B Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4Ohm	310Hz	-1dB	0.480" (12.19mm)	50	1.5dB	Through Hole	-	20mW	-	0.570" L x 0.570" W (14.48mm x 14.48mm)	PC Pin	Miniature Epoxy Potted	-	100V
107J Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	92Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	1kCT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	1.29:1	100VRMS
40-18101 CLASSIC	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
107N Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	710Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	10kCT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	4.07:1	100VRMS
107L Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	650Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	10kCT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	55.3:1	100VRMS
107P Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	700Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	10kCT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	2.58:1	100VRMS
144Q Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	575Ohm	150Hz ~ 15kHz	±1dB	0.690" (17.53mm)	10k	-	Chassis Mount	-	50mW	-	1.000" L x 0.690" W (25.40mm x 17.53mm)	Wire Leads	Economical Open Type	-	-
146K Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	56Ohm	150Hz ~ 15kHz	±1dB	0.810" (20.57mm)	1kCT	-	Chassis Mount	-	700mW	-	1.630" L x 0.880" W (41.40mm x 22.35mm)	Wire Leads	Economical Open Type	-	-
145C Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.4kOhm	150Hz ~ 15kHz	±1dB	0.810" (20.57mm)	50k	-	Chassis Mount	-	50mW	-	1.630" L x 0.880" W (41.40mm x 22.35mm)	Wire Leads	Economical Open Type	-	-

Showing 501-550 of 763 products

About Audio Transformers

Audio transformers play a vital role in the transmission and transformation of audio signals in electronic circuits. They are designed to match the impedance of audio devices, ensuring optimal signal transfer and minimal loss. When sourcing audio transformers, it is crucial to consider several important attributes, including DC Resistance (DCR), frequency range, frequency response, height, impedance, insertion loss, mounting type, operating temperature, and power level.

These components are commonly used in applications such as new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation and qualification. Understanding the specific requirements of your application will help you select the right audio transformer for your needs.

When comparing audio transformers, prioritize critical specifications first. Validate lifecycle status and explore alternate-source options before submitting a Request for Quotation (RFQ). It is also essential to confirm mechanical and electrical compatibility with your existing design constraints. By focusing on parametric filtering before brand preference, you can effectively reduce sourcing risks and ensure that you select the most suitable components for your projects.

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Audio Transformers

What are Audio Transformers ?

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