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
1650G XFMR 6.6KCT / 3.5 8 16 250 500 Hammond Manufacturing	2,220	-	RFQ	Datasheet	1600	Bulk	Active	-	6.6kCT	3.5, 8, 16, 250, 500	56.93Ohm, 60.95Ohm	259mOhm, 364mOhm, 496mOhm, 6.727Ohm, 9.55Ohm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	35W	-	-	Chassis Mount	3.750" L x 3.130" W (95.25mm x 79.50mm)	3.810" (96.77mm)	Wire Leads
1650P XFMR 6.6KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	2,609	-	RFQ	Datasheet	1600	Bulk	Active	-	6.6kCT	4, 8, 16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	-	±1dB	-	60W	-	-	Chassis Mount	4.250" L x 3.130" W (107.95mm x 79.50mm)	3.810" (96.77mm)	Wire Leads
1650NA XFMR 4.3KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	1,384	-	RFQ	Datasheet	A	Box	Active	-	4.3kCT	4, 8, 16	37.19Ohm, 42.17Ohm	244mOhm, 377mOhm, 490mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	60W	-	-	Chassis Mount	4.250" L x 3.130" W (107.95mm x 79.50mm)	3.810" (96.77mm)	Wire Leads
1650KA XFMR 3.4KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	2,095	-	RFQ	Datasheet	A	Box	Active	-	3.4kCT	4, 8, 16	32.74Ohm, 36.71Ohm	306mOhm, 432mOhm, 540mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	50W	-	-	Chassis Mount	4.000" L x 3.130" W (101.60mm x 79.50mm)	3.810" (96.77mm)	Wire Leads
1650PA XFMR 6.6KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	1,323	-	RFQ	Datasheet	A	Box	Active	-	6.6kCT	4, 8, 16	71.34Ohm, 80.42Ohm	237mOhm, 364mOhm, 473mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	60W	-	-	Chassis Mount	4.250" L x 3.130" W (107.95mm x 79.50mm)	3.810" (96.77mm)	Wire Leads
290RX AUDIO XFMR CHAS MNT Hammond Manufacturing	3,329	-	RFQ	Datasheet	290	Bulk	Active	-	-	-	510mOhm	40mOhm, 3.76Ohm, 5.865Ohm	-	-	-	120/240VAC	-	-	-	-	-	Chassis Mount	3.756" L x 5.580" W (95.40mm x 141.73mm)	4.663" (118.44mm)	Wire Leads
1640SEA XFMR 1.2K / 4, 8, 16 CHAS MNT Hammond Manufacturing	3,678	-	RFQ	Datasheet	1600	Box	Active	-	1.2k	4, 8, 16	-	-	Single Ended Audiophile, Ultra-Linear - Tube Output	20Hz ~ 20kHz	±1dB	2000Vrms	±1dB	-	30W	-	-	Chassis Mount	4.950" L x 3.750" W (125.73mm x 95.20mm)	4.560" (115.82mm)	Wire Leads
1650T XFMR 1.9KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	3,402	-	RFQ	Datasheet	1600	Bulk	Active	-	1.9kCT	4, 8, 16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	-	±1dB	-	120W	-	-	Chassis Mount	4.500" L x 3.750" W (114.30mm x 95.25mm)	4.560" (115.82mm)	Wire Leads
1650RA XFMR 5KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	4,976	-	RFQ	Datasheet	A	Box	Active	-	5kCT	4, 8, 16	47.43Ohm, 54.65Ohm	232mOhm, 333mOhm, 343mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	3535VDC @ 1 Second	-	-	100W	-	-	Chassis Mount	4.250" L x 3.750" W (107.95mm x 95.25mm)	4.560" (115.82mm)	Wire Leads
1650TA XFMR 1.9KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	1,675	-	RFQ	Datasheet	A	Box	Active	-	1.9kCT	4, 8, 16	22.07Ohm, 24.85Ohm	251mOhm, 334mOhm, 359mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	120W	-	-	Chassis Mount	4.500" L x 3.750" W (114.30mm x 95.25mm)	4.560" (115.82mm)	Wire Leads
1638SEA XFMR 10K / 4, 8, 16 CHAS MNT Hammond Manufacturing	1,751	-	RFQ	Datasheet	1600	Box	Active	-	10k	4, 8, 16	-	-	Single Ended Audiophile	20Hz ~ 20kHz	±1dB	2000Vrms	±1dB	-	30W	-	-	Chassis Mount	4.880" L x 3.750" W (123.95mm x 95.25mm)	4.560" (115.82mm)	Wire Leads
1650WA XFMR 1.9KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	4,448	-	RFQ	Datasheet	A	Box	Active	-	1.9kCT	4, 8, 16	15.65Ohm, 17.19Ohm	152mOhm, 203mOhm, 217mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	3535VDC @ 1 Second	-	-	280W	-	-	Chassis Mount	7.500" L x 4.380" W (190.50mm x 111.25mm)	5.250" (133.35mm)	Wire Leads
TTC-5014 AUDIO XFMR 600 / 348 TH Tamura	4,296	-	RFQ	Datasheet	TTC	Bulk	Active	1:1	600	348	149Ohm	139Ohm	-	200Hz ~ 4kHz	±0.25dB	1875VRMS @ 1 Second	3.25dB Max @ 1kHz	14dB Min @ 200Hz ~ 4kHz	-	-	UL60950	Through Hole	0.591" L x 0.571" W (15.00mm x 14.50mm)	0.472" (12.00mm)	PC Pin
TTC-02 AUDIO XFMR 600 / 600 TH Tamura	3,230	-	RFQ	Datasheet	TTC	Bulk	Active	1:1	600	600	72Ohm	90Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VRMS @ 1 Minute	1.5dB Max @ 1kHz	-	-45dB ~ 7dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.799" L x 0.650" W (20.30mm x 16.50mm)	0.488" (12.40mm)	PC Pin
TTC-264 AUDIO XFMR 600 / 470 TH Tamura	2,263	-	RFQ	Datasheet	TTC	Bulk	Active	1:1	600	470	108Ohm	120Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±1dB ~ ±4dB	1500VRMS @ 1 Minute	2.5dB Max @ 1kHz	-	-20dB ~ 4dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.945" L x 0.906" W (24.00mm x 23.00mm)	0.472" (12.00mm)	PC Pin
TTC-105-1 AUDIO XFMR 600 / 600CT TH Tamura	4,625	-	RFQ	Datasheet	TTC	Bulk	Active	1:1	600	600CT	71Ohm	117Ohm	Data/Voice Coupling	660Hz ~ 3.5kHz	-1dB ~ 0.7dB	1500VRMS @ 1 Minute	3dB Max @ 660Hz ~ 800Hz, 2.5dB Max @ 800Hz @ 3.5kHz	-	-45dB ~ 10dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.839" L x 0.630" W (21.30mm x 16.00mm)	0.748" (19.00mm)	PC Pin
TTC-5029 AUDIO XFMR 600 / 600 TH Tamura	3,338	-	RFQ	Datasheet	TTC	Bulk	Active	1:1	600	600	40Ohm	40Ohm	Data/Voice Coupling	200Hz ~ 4kHz	±0.2dB	1875VRMS @ 1 Second	1dB Max @ 1kHz	20dB Min @ 200Hz ~ 4kHz	-	0°C ~ 70°C	-	Through Hole	0.669" L x 0.669" W (17.00mm x 17.00mm)	0.472" (12.00mm)	PC Pin
TTC-108 AUDIO XFMR 600CT / 600CT TH Tamura	1,813	-	RFQ	Datasheet	TTC	Bulk	Active	1:1	600CT	600CT	44Ohm	56Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VRMS @ 1 Minute	1.4dB Max @ 1kHz	-	-45dB ~ 7dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.799" L x 0.689" W (20.30mm x 17.50mm)	0.752" (19.10mm)	PC Pin
146H AUDIO XFMR 500CT / 3.2 CHAS MNT Hammond Manufacturing	2,450	-	RFQ	Datasheet	146	Bulk	Active	-	500CT	3.2	26Ohm	300mOhm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	700mW	-	-	Chassis Mount	1.630" L x 0.880" W (41.40mm x 22.35mm)	0.810" (20.57mm)	Wire Leads
148X AUDIO XFMR 4KCT / 3.2 TH Hammond Manufacturing	3,999	-	RFQ	Datasheet	148	Bulk	Active	-	4kCT	3.2	380Ohm	-	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	300mW	-	-	Through Hole	0.820" L x 0.680" W (20.83mm x 17.27mm)	0.690" (17.53mm)	PC Pin

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.