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
AT4412 AUDIO XFMR TH Allied Components International	3,599	-	RFQ	Datasheet	-	Tray	Active	1:1	-	-	44Ohm	56Ohm	Data/Voice Coupling	-	±0.5dB	1500V	1.4dB	-	-	-40°C ~ 85°C	-	Through Hole	0.815" L x 0.650" W (20.70mm x 16.50mm)	0.736" (18.70mm)	PC Pin
AT4547 AUDIO XFMR 600 TH Allied Components International	4,019	-	RFQ	Datasheet	-	Tray	Active	1.35:1:1	600	-	56.5Ohm	40.7Ohm, 40.7Ohm	Data/Voice	-	±1dB	1500VAC	0.8dB Typ	30dB Typ	-	0°C ~ 105°C	-	Through Hole	0.812" L x 0.715" W (20.62mm x 18.16mm)	0.740" (18.80mm)	PC Pin
AEI19-4660 AUDIO XFMR 10K / 10K TH Allied Components International	4,296	-	RFQ	Datasheet	-	Tray	Active	1:1	10k	10k	550Ohm	500Ohm	-	300Hz ~ 3.4kHz	±0.3dB	100VAC	-	-	-	-20°C ~ 80°C	-	Through Hole	0.866" L x 0.630" W (22.00mm x 16.00mm)	0.669" (16.99mm)	PC Pin
AEI19-4467 AUDIO XFMR 600CT / 600CT TH Allied Components International	4,423	-	RFQ	Datasheet	-	Tray	Active	1:1	600CT	600CT	44Ohm	58Ohm	Impedance Matching	200Hz ~ 15kHz	±2dB	1500Vrms @ 1 Second	1.5dB @ 1kHz Max	-	-	0°C ~ 105°C	-	Through Hole	0.812" L x 0.700" W (20.62mm x 17.78mm)	0.740" (18.80mm)	PC Pin
AEI19-4488 AUDIO XFMR 10KCT / 10K TH Allied Components International	4,228	-	RFQ	Datasheet	-	Tray	Active	1:1:2	10kCT	10k	190Ohm, 380Ohm	430Ohm	Impedance Matching	300Hz ~ 3.5kHz	±0.5dB	1200VAC	1dB @ 1kHz Max	24dB @ 300Hz ~ 3.5kHz Min	-	0°C ~ 105°C	-	Through Hole	0.800" L x 0.670" W (20.32mm x 17.02mm)	0.750" (19.05mm)	PC Pin
AEI24-4410 AUDIO XFMR 600CT / 600CT TH Allied Components International	2,874	-	RFQ	Datasheet	-	Tray	Active	1:1	600CT	600CT	65mOhm	55mOhm	Impedance Matching	-	-	100VAC	-	-	460mW	-20°C ~ 80°C	-	Through Hole	0.980" L x 0.720" W (24.89mm x 18.29mm)	0.740" (18.80mm)	PC Pin
AT3945 AUDIO XFMR SMD Allied Components International	4,683	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	1:1	-	-	-	-	Data/Voice	100kHz ~ 55MHz	-	2000V	-	20dB Min @ 100kHz ~ 10MHz	-	0°C ~ 70°C	-	Surface Mount	0.461" L x 0.394" W (11.70mm x 10.00mm)	0.299" (7.60mm)	Gull Wing
AT4365 AUDIO XFMR TH Allied Components International	1,794	-	RFQ	Datasheet	-	Box	Active	1:1:1	-	-	450mOhm	450mOhm	Impedance Matching	-	-	700V	-	-	-	-40°C ~ 90°C	-	Through Hole	0.650" L x 0.435" W (16.51mm x 11.05mm)	0.350" (8.89mm)	PC Pin
AT4539 AUDIO XFMR SMD Allied Components International	1,924	-	RFQ	Datasheet	-	Box	Active	1:1	-	-	230mOhm	230mOhm	Line (Audio Power Distribution)	-	-	2000V	-	-	-	-40°C ~ 85°C	-	Surface Mount	-	0.295" (7.50mm)	Gull Wing
T60403K5024X10081 AUDIO XFMR VACUUMSCHMELZE	3,237	-	RFQ	Datasheet	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
T60403K4096X04683 AUDIO XFMR VACUUMSCHMELZE	1,414	-	RFQ	Datasheet	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
108H-BULK TRANSFORMER Hammond Manufacturing	4,358	-	RFQ	Datasheet	108	Bulk	Active	1:1	600CT	600CT	65Ohm	69Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100V	-	-	150mW	-40°C ~ 105°C	-	Through Hole	1.030" L x 0.770" W (26.16mm x 19.56mm)	0.770" (19.56mm)	PC Pin
1750AX OUTPUT TRANSFORMER, GUITAR AMP, Hammond Manufacturing	4,550	-	RFQ	Datasheet	1750	Bulk	Active	-	37.4k	69.16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
117K4-BULK TRANSFORMER Hammond Manufacturing	4,674	-	RFQ	Datasheet	117	Bulk	Active	-	-	8	400mOhm	-	Impedance Matching	100Hz ~ 10kHz	±1dB	500V	2dB	-	4W	-40°C ~ 105°C	-	Chassis Mount	2.810" L x 1.500" W (71.37mm x 38.10mm)	1.690" (42.93mm)	Solder Lug
148E-BULK TRANSFORMER Hammond Manufacturing	4,723	-	RFQ	Datasheet	148	Bulk	Active	-	500	125/500	-	60Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	250V	0.5dB	-	75mW	-	-	Through Hole	-	0.690" (17.53mm)	PC Pin
148A-BULK TRANSFORMER Hammond Manufacturing	4,591	-	RFQ	Datasheet	148	Bulk	Active	-	150/600	600,2.4k	45Ohm	300mOhm	Economical Open Type	200Hz ~ 15kHz	±1dB	250V	0.5dB	-	300mW	-	-	Through Hole	-	0.690" (17.53mm)	PC Pin
1760JB OUTPUT TRANSFORMER, GUITAR AMP, Hammond Manufacturing	3,788	-	RFQ	Datasheet	176	Bulk	Active	-	48.5k	334.5	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
1760CP Tools/Equipment/Hardware Hammond Manufacturing	4,168	-	RFQ	Datasheet	1750	Bulk	Active	-	5k, 8k	4, 8	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
148D-BULK TRANSFORMER Hammond Manufacturing	4,477	-	RFQ	Datasheet	148	Bulk	Active	-	200k	1k	-	-	Economical Open Type	200Hz ~ 15kHz	±1dB	250V	0.5dB	-	3mW	-	-	Through Hole	-	0.690" (17.53mm)	PC Pin
1750ORF OUTPUT TRANSFORMER, GUITAR AMP, Hammond Manufacturing	4,881	-	RFQ	Datasheet	1750	Bulk	Active	-	6kCT	8, 16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	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.