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Audio Transformers

Mfr. Part #	Availability	Price	Quantity	Datasheet	Packaging	Series	ProductStatus	TurnsRatio-Primary:Secondary	Impedance-Primary(Ohms)	Impedance-Secondary(Ohms)	DCResistance(DCR)-Primary	DCResistance(DCR)-Secondary	TransformerType	FrequencyRange	FrequencyResponse	Voltage-Isolation	InsertionLoss	ReturnLoss	PowerLevel	OperatingTemperature	ApprovalAgency	MountingType	Size/Dimension	Height-Seated(Max)
850EA TRANSFORMER AUDIO BROADCAST Hammond Manufacturing	3,962	-	RFQ	Datasheet	Bulk	850A	Active	-	200, 50/50	600, 150/150	27Ohm	68Ohm	-	20Hz ~ 20kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.700 L x 1.200 W (43.18mm x 30.48mm)	1.650 (41.90mm)
850GA TRANSFORMER AUDIO BROADCAST Hammond Manufacturing	3,629	-	RFQ	Datasheet	Bulk	850A	Active	-	600, 150/150	600, 150/150	71Ohm	71Ohm	-	20Hz ~ 20kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.700 L x 1.200 W (43.18mm x 30.48mm)	1.650 (41.90mm)
850QA TRANSFORMER AUDIO BROADCAST Hammond Manufacturing	2,258	-	RFQ	Datasheet	Bulk	850A	Active	-	40k, 10k/10k	40k, 10k/10k	4.89kOhm	4.98kOhm	-	20Hz ~ 20kHz	±0.5dB	-	1dB	-	15dB	-	-	Chassis Mount	1.700 L x 1.200 W (43.18mm x 30.48mm)	1.650 (41.90mm)
1750X TRANSFORMER TUBE GUITAR AMP Hammond Manufacturing	2,402	-	RFQ	Datasheet	Box	1750	Active	10.14:1	2kCT	2, 4, 8, 16	5.03Ohm, 12.3Ohm, 7.16Ohm	20mOhm, 30mOhm, 50mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	50Hz ~ 12kHz	±1dB	-	-	-	100W	-	-	Chassis Mount	3.786 L x 4.049 W (96.16mm x 102.84mm)	3.238 (85.25mm)
290TX TRANSF TUBE GUITAR AMP POWER Hammond Manufacturing	3,239	-	RFQ	Datasheet	Bulk	290	Active	-	-	-	1.18Ohm	70mOhm, 80mOhm, 6.14Ohm, 46.16Ohm	-	-	-	120/240VAC	-	-	-	-	-	Chassis Mount	3.438 L x 4.300 W (87.33mm x 109.22mm)	4.188 (106.38mm)
1650K TRANSFORMER AUDIO 3.4KCT 50W Hammond Manufacturing	2,986	-	RFQ	Datasheet	Bulk	1600	Active	-	3.4kCT	4, 8, 16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	30Hz ~ 30kHz	±1dB	-	±1dB	-	50W	-	-	Chassis Mount	4.000 L x 3.130 W (101.60mm x 79.50mm)	3.810 (96.77mm)
1650P TRANSFORMER PUSH-PULL OUTPUT Hammond Manufacturing	3,215	-	RFQ	Datasheet	Bulk	1600	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)
1650N TRANSFORMER AUDIO 4.3KCT 60W Hammond Manufacturing	3,118	-	RFQ	Datasheet	Bulk	1600	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)
1750G TRANSFORMER TUBE GUITAR AMP Hammond Manufacturing	3,946	-	RFQ	Datasheet	Box	1750	Active	14.21:1	3.8kCT	4, 8, 16	95.61Ohm	250mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	50Hz ~ 12kHz	±1dB	-	-	-	50W	-	-	Chassis Mount	3.750 L x 3.320 W (95.25mm x 84.33mm)	3.873 (98.37mm)
1650KA AUDIOPHILE TUBE OUTPUT TRANSFRMR Hammond Manufacturing	2,373	-	RFQ	Datasheet	Box	A	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)
1650T TRANSFORMER AUDIO 1.9KCT 120W Hammond Manufacturing	2,030	-	RFQ	Datasheet	Bulk	1600	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)
1750R TRANSFORMER TUBE GUITAR AMP Hammond Manufacturing	3,030	-	RFQ	Datasheet	Box	1750	Active	11.11:1	2kCT	4, 8, 16	25.72Ohm, 12.86Ohm	222mOhm	Push-Pull Audiophile, Ultra-Linear - Tube Output	50Hz ~ 12kHz	±1dB	-	-	-	100W	-	-	Chassis Mount	3.750 L x 3.936 W (95.25mm x 99.97mm)	4.623 (117.42mm)
1650TA AUDIOPHILE TUBE OUTPUT TRANSFRMR Hammond Manufacturing	3,058	-	RFQ	Datasheet	Box	A	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)
145A TRANSFORMER AUDIO 100/200CT IMP Hammond Manufacturing	3,355	-	RFQ	Datasheet	Bulk	145	Active	-	100	200CT	14Ohm	19Ohm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	100mW	-	-	Chassis Mount	1.630 L x 0.880 W (41.40mm x 22.35mm)	0.810 (20.57mm)
148X TRANSFORMER AUDIO 4KCT/3.2 IMP Hammond Manufacturing	2,738	-	RFQ	Datasheet	Bulk	148	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)
148C TRANSFRM AUDIO 50K TO 250/1K IMP Hammond Manufacturing	2,780	-	RFQ	Datasheet	Bulk	148	Active	-	50k	1k, 250/250	1.76kOhm	25.4Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	12mW	-	-	Through Hole	0.820 L x 0.680 W (20.83mm x 17.27mm)	0.690 (17.53mm)
148H TRANSFORM AUDIO 3K TO 250/1K IMP Hammond Manufacturing	3,773	-	RFQ	Datasheet	Bulk	148	Active	-	3k	1k, 250/250	480Ohm	107Ohm	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)
148Y TRANSFORMER AUDIO 5KCT/500CT IMP Hammond Manufacturing	3,827	-	RFQ	Datasheet	Bulk	148	Active	-	5kCT	500CT	410Ohm	52Ohm	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)
104L TRANSFORMER AUDIO 25000/600CT Hammond Manufacturing	2,522	-	RFQ	Datasheet	Bulk	104	Active	-	25k	600CT	1.89kOhm	50Ohm	Miniature Epoxy Potted	200Hz	-1dB	200V	1dB	-	35mW	-	-	Through Hole	0.860 L x 0.710 W (21.84mm x 18.03mm)	0.750 (19.05mm)
104H TRANSFORMER AUDIO 10000/2000CT Hammond Manufacturing	2,537	-	RFQ	Datasheet	Bulk	104	Active	-	10k	2kCT	598.7Ohm	79.19Ohm	Miniature Epoxy Potted	200Hz	-1dB	250V	1dB	-	35mW	-	-	Through Hole	0.860 L x 0.710 W (21.84mm x 18.03mm)	0.750 (19.05mm)