Audio Transformers

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
1608A XFMR 8KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	1,972	117.41	RFQ	Datasheet	A	Box	Active	-	8kCT	4, 8, 16	91.31Ohm, 102.3Ohm	321mOhm, 365mOhm, 476mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	10W	-	-	Chassis Mount	2.750" L x 2.500" W (69.85mm x 63.50mm)	3.060" (77.72mm)	Wire Leads
1650FA XFMR 7.6KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	3,232	142.85	RFQ	Datasheet	A	Box	Active	-	7.6kCT	4, 8, 16	92.16Ohm, 102.8Ohm	210mOhm, 239mOhm, 309mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	-	-	25W	-	-	Chassis Mount	3.500" L x 2.500" W (88.90mm x 63.50mm)	3.060" (77.72mm)	Wire Leads
1650N XFMR 4.3KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	2,645	155.23	RFQ	-	1600	Bulk	Active	-	4.3kCT	4, 8, 16	82.5Ohm	232mOhm, 270mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	2000V @ 1 Second	±1dB	-	60W	-	-	Chassis Mount	4.185" L x 3.125" W (106.30mm x 79.38mm)	3.859" (98.02mm)	Wire Leads
1650R XFMR 5KCT / 4, 8, 16 CHAS MNT Hammond Manufacturing	4,822	173.48	RFQ	-	1600	Bulk	Active	-	5kCT	4, 8, 16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	-	±1dB	1650R	100W	-	-	Chassis Mount	4.250" L x 3.750" W (107.95mm x 95.25mm)	4.560" (115.82mm)	Wire Leads
MET-11-T AUDIO XFMR 10KCT / 2KCT TH Triad Magnetics	3,900	10.75	RFQ	Datasheet	MET	Bulk	Active	2.23:1	10kCT	2kCT	1kOhm	300Ohm	Data/Voice Coupling	300Hz ~ 100kHz	±2dB	1000VRMS @ 1 Second	-	-	40mW	-20°C ~ 85°C	-	Through Hole	0.409" L x 0.310" W (10.40mm x 7.87mm)	0.465" (11.80mm)	PC Pin
148E AUDIO XFMR 500 / 500 125/125 TH Hammond Manufacturing	3,339	24.45	RFQ	Datasheet	148	Bulk	Active	-	500	500, 125/125	79Ohm	60Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	75mW	-	-	Through Hole	0.820" L x 0.680" W (20.83mm x 17.27mm)	0.690" (17.53mm)	PC Pin
106C AUDIO XFMR 50K / 1.5KCT TH Hammond Manufacturing	1,173	35.10	RFQ	Datasheet	106	Bulk	Active	-	50k	1.5kCT	2.4kOhm	52Ohm	Miniature Epoxy Potted	60Hz	-1dB	200V	1dB	-	10mW	-	-	Through Hole	1.080" L x 0.880" W (27.43mm x 22.35mm)	0.950" (24.13mm)	PC Pin
148T AUDIO XFMR 500CT / 3.2 TH Hammond Manufacturing	4,330	24.45	RFQ	Datasheet	148	Bulk	Active	-	500CT	3.2	41Ohm	340mOhm	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
145N AUDIO XFMR 10K / 2KCT CHAS MNT Hammond Manufacturing	3,031	24.02	RFQ	Datasheet	145	Bulk	Active	-	10k	2kCT	700Ohm	89Ohm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	135mW	-	-	Chassis Mount	1.630" L x 0.880" W (41.40mm x 22.35mm)	0.810" (20.57mm)	Wire Leads
149E AUDIO XFMR 300 / 120, 30/30 TH Hammond Manufacturing	1,248	24.45	RFQ	Datasheet	149	Bulk	Active	-	300	120, 30/30	41Ohm	10Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	200mW	-	-	Through Hole	1.060" L x 0.820" W (26.92mm x 20.83mm)	0.820" (20.83mm)	PC Pin
141P AUDIO XFMR 1.2KCT / 8CT TH Hammond Manufacturing	4,148	26.61	RFQ	Datasheet	141	Bulk	Active	-	1.2kCT	8CT	50Ohm	450mOhm	Low Profile, Open Type	200Hz ~ 15kHz	±2dB	-	-	-	150mW	-	-	Through Hole	0.780" L x 0.660" W (19.81mm x 16.76mm)	0.460" (11.68mm)	PC Pin
149G AUDIO XFMR 600 / 600 150/150 TH Hammond Manufacturing	4,005	24.45	RFQ	Datasheet	149	Bulk	Active	-	600	600, 150/150	92Ohm	58Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	200mW	-	-	Through Hole	1.060" L x 0.820" W (26.92mm x 20.83mm)	0.820" (20.83mm)	PC Pin
140PEX XFMR 600 150/150 / 2.4K, 600/600 Hammond Manufacturing	3,268	87.07	RFQ	Datasheet	140EX	Bulk	Active	1:1, 1:2, 1:4	600, 150/150	2.4k, 600/600	58Ohm	190Ohm	-	20Hz ~ 20kHz	±1dB	500Vrms	0.8dB Typ	30dB Typ	10dB	-	-	Chassis Mount	1.250" Dia (31.75mm)	1.000" (25.40mm)	Screw Terminal
140UEX AUDIO XFMR 10K / 10K CHAS MNT Hammond Manufacturing	4,468	87.07	RFQ	Datasheet	140EX	Bulk	Active	1:1	10k	10k	886Ohm	903.5Ohm	-	20Hz ~ 20kHz	±1dB	500Vrms	1dB Typ	20dB Typ	10dB	-	-	Chassis Mount	1.250" Dia (31.75mm)	1.000" (25.40mm)	Screw Terminal
A-9J XFMR 50 250 600 / 85000 CHAS Triad Magnetics	2,038	0.00	RFQ	Datasheet	J	Bulk	Active	1:12	50, 250, 600	85000	32.7Ohm	3450Ohm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	1mW	-	-	Chassis Mount	-	-	Wire Leads
A-10J XFMR 600 150/150 / 60K CHAS MNT Triad Magnetics	4,383	0.00	RFQ	Datasheet	J	Bulk	Active	1:10.5	600, 150/150	60k	33.7Ohm	4.04kOhm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	1mW	-	-	Chassis Mount	-	-	Wire Leads
A-12J XFMR 600 150/150 / 60K CHAS MNT Triad Magnetics	2,802	0.00	RFQ	Datasheet	J	Bulk	Active	1:10	600, 150/150	60k	50Ohm	4.92kOhm	Impedance Matching	30Hz ~ 15kHz	±3dB	-	-	-	10mW	-	-	Chassis Mount	-	-	Wire Leads
HS-50 AUDIO XFMR 62.5/150/250/600 OHM Triad Magnetics	3,994	32.95	RFQ	-	HS	Box	Active	5:1	15k	62.5, 150, 250, 600	1.245kOhm	9.22Ohm, 16.52Ohm, 21.65Ohm, 12.9Ohm	Impedance Matching	20Hz ~ 20kHz	-0.075dB	-	-	-	+26dB	0°C ~ 70°C	-	Chassis Mount	-	-	Wire Leads
HS-52 AUDIO XFMR 62.5/150/250/600 OHM Triad Magnetics	3,178	0.00	RFQ	-	HS	Box	Active	5.6:1	20k, 5k	62.5, 150, 250, 600	410Ohm, 615Ohm	5.82Ohm, 7.37Ohm, 4.5Ohm	Impedance Matching	20Hz ~ 20kHz	-1.35dB	-	-	-	+26dB	0°C ~ 70°C	-	Chassis Mount	-	-	Wire Leads
HS-56 AUDIO XFMR 62.5/150/250/600 OHM Triad Magnetics	2,529	0.00	RFQ	-	HS	Box	Active	-	62.5, 150, 250, 600	62.5, 150, 250, 600	-	-	General Purpose	10Hz ~ 30kHz	-	-	-	-	20dB	-	-	Chassis Mount	-	-	Wire Leads

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