Audio Transformers

Browse available Audio Transformers components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	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
A-56J XFMR 500 125/125 / 16 4/4 CHAS Triad Magnetics	2,988	-	RFQ	Datasheet	J	Bulk	Active	5.6:1	500, 125/125	16, 4/4	50Ohm	1.5Ohm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	100mW	-	-	Chassis Mount	-	-	Wire Leads
A-58J XFMR 10K 2.5K/2.5K / 2K 500/500 Triad Magnetics	3,740	-	RFQ	Datasheet	J	Bulk	Active	2.24:1	10k, 2.5k/2.5k	2k, 500/500	1kOhm	200Ohm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	100mW	-	-	Chassis Mount	-	-	Wire Leads
804A AUDIO XFMR CHAS MNT Hammond Manufacturing	4,739	-	RFQ	Datasheet	800A	Bulk	Active	-	-	-	-	-	Impedance Matching	50Hz ~ 15kHz	±0.5dB	-	-	-	15dB	-	-	Chassis Mount	-	1.250" (31.75mm)	Wire Leads
1750TY AUDIO XFMR CHAS MNT Hammond Manufacturing	3,475	-	RFQ	Datasheet	175	Bulk	Active	-	-	-	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	50Hz ~ 12kHz	-	-	-	-	-	-	-	Chassis Mount	-	3.796" (96.42mm)	Wire Leads
A-69J XFMR 25K 6.25K/6.25K / 500 125 Triad Magnetics	2,158	-	RFQ	Datasheet	J	Bulk	Active	7.1:1	25k, 6.25k/6.25k	500, 125/125	2.5kOhm	50Ohm	Impedance Matching	50Hz ~ 20kHz	±3dB	-	-	-	100mW	-	-	Chassis Mount	-	-	Wire Leads
A-67J XFMR 600 150/150 / 600 150/150 Triad Magnetics	3,364	-	RFQ	Datasheet	J	Bulk	Active	1:1	600, 150/150	600, 150/150	43.8Ohm	44.1Ohm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	50mW	-	-	Chassis Mount	-	-	Wire Leads
1750RA AUDIO XFMR 8 CHAS MNT Hammond Manufacturing	1,349	-	RFQ	Datasheet	175	Bulk	Active	-	-	8	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	65Hz ~ 12kHz	±1dB	2500Vrms	-	-	100W	-40°C ~ 105°C	-	Chassis Mount	-	3.796" (96.42mm)	Wire Leads
A-57J XFMR 600 250 50 / 600 250 50 Triad Magnetics	3,654	-	RFQ	Datasheet	J	Bulk	Active	1:1	600, 250, 50	600, 250, 50	40Ohm	44Ohm	Impedance Matching	30Hz ~ 30kHz	±3dB	-	-	-	50mW	-	-	Chassis Mount	-	-	Wire Leads
A-79J AUDIO XFMR 1K / 200 50 CHAS MNT Triad Magnetics	1,223	-	RFQ	Datasheet	J	Bulk	Active	2.2:1	1k	200, 50	302Ohm	138Ohm	Impedance Matching	20Hz ~ 15kHz	±3dB	-	-	-	200mW	-	-	Chassis Mount	-	-	Wire Leads
A-66J XFMR 15K / 600 250 50 CHAS MNT Triad Magnetics	2,155	-	RFQ	Datasheet	J	Bulk	Active	5:1	15k	600, 250, 50	1.74kOhm	81.2Ohm	Impedance Matching	40Hz ~ 15kHz	±3dB	-	-	-	100mW	-	-	Chassis Mount	-	-	Wire Leads
A-40J AUDIO XFMR 15K / 11.5K CHAS MNT Triad Magnetics	2,106	-	RFQ	Datasheet	J	Bulk	Active	1:2.76	15k	11.5k	1.54kOhm	4.02kOhm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	10mW	-	-	Chassis Mount	-	-	Wire Leads
1620 XFMR 6.6KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	1,410	-	RFQ	Datasheet	1600	Bulk	Active	-	6.6kCT	4, 8, 16	65.4Ohm, 74.6Ohm	310mOhm, 500mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	±1dB	-	20W	-	-	Chassis Mount	3.500" L x 2.500" W (88.90mm x 63.50mm)	3.060" (77.72mm)	Wire Leads
1616 AUDIO XFMR CHAS MNT Hammond Manufacturing	3,065	-	RFQ	Datasheet	161	Bulk	Active	-	-	-	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
A-55J XFMR 15K / 600 250 50 CHAS MNT Triad Magnetics	4,009	-	RFQ	Datasheet	J	Bulk	Active	5:1	15k	600, 250, 50	1.02kOhm	46Ohm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	100mW	-	-	Chassis Mount	-	-	Wire Leads
A-65J XFMR 15K / 600 150/150 CHAS MNT Triad Magnetics	1,851	-	RFQ	Datasheet	J	Bulk	Active	5:1	15k	600, 150/150	1.63kOhm	73Ohm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	100mW	-	-	Chassis Mount	-	-	Wire Leads
1ZUHD OTHER SIGNAL iNRCORE, LLC	4,228	-	RFQ	Datasheet	-	Tube	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
806A XFMR 7.5, 30 / 10K, 40K CHAS MNT Hammond Manufacturing	2,588	-	RFQ	Datasheet	800A	Bulk	Active	-	7.5, 30	10k, 40k	-	-	Broadcast Quality	50Hz ~ 15kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.750" L x 1.250" W (44.45mm x 31.75mm)	2.560" (65.02mm)	Wire Leads
807A AUDIO XFMR CHAS MNT Hammond Manufacturing	3,254	-	RFQ	Datasheet	800A	Bulk	Active	-	-	-	-	-	-	50Hz ~ 15kHz	±0.5dB	-	-	-	15dB	-	-	Chassis Mount	-	1.250" (31.75mm)	Wire Leads
832A AUDIO XFMR CHAS MNT Hammond Manufacturing	3,508	-	RFQ	Datasheet	800A	Bulk	Active	1:2	-	-	-	-	-	50Hz ~ 15kHz	±0.5dB	-	-	-	15dB	-	-	Chassis Mount	-	1.250" (31.75mm)	Wire Leads
813A AUDIO XFMR CHAS MNT Hammond Manufacturing	2,776	-	RFQ	Datasheet	800A	Bulk	Active	-	-	-	-	-	-	50Hz ~ 15kHz	±0.5dB	-	-	-	15dB	-	-	Chassis Mount	-	1.250" (31.75mm)	Wire Leads

Audio Transformers FAQ

What Audio Transformers components can I source from EGOO?

You can browse available Audio Transformers product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Audio Transformers parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.