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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)
144S TRANSFORMER AUDIO 20K/8 IMPED Hammond Manufacturing	2,229	-	RFQ	Datasheet	Bulk	144	Active	-	20k	8	1.24kOhm	900mOhm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	50mW	-	-	Chassis Mount	1.000 L x 0.690 W (25.40mm x 17.53mm)	0.690 (17.53mm)
145E TRANSFORMR AUDIO 600CT/600CT IMP Hammond Manufacturing	3,149	-	RFQ	Datasheet	Bulk	145	Active	-	600CT	600CT	65Ohm	83Ohm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	200mW	-	-	Chassis Mount	1.630 L x 0.880 W (41.40mm x 22.35mm)	0.810 (20.57mm)
145B TRANSFORMER AUDIO 600/600 IMPED Hammond Manufacturing	2,982	-	RFQ	Datasheet	Bulk	145	Active	-	600	600	30Ohm	38Ohm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	200mW	-	-	Chassis Mount	1.630 L x 0.880 W (41.40mm x 22.35mm)	0.810 (20.57mm)
144Q TRANSFORMER AUDIO 10K/8 IMPED Hammond Manufacturing	3,268	-	RFQ	Datasheet	Bulk	144	Active	-	10k	8	575Ohm	900mOhm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	50mW	-	-	Chassis Mount	1.000 L x 0.690 W (25.40mm x 17.53mm)	0.690 (17.53mm)
149V TRANSF AUDIO 600CT 300/1.2K IMP Hammond Manufacturing	2,682	-	RFQ	Datasheet	Bulk	149	Active	-	600CT	1.2k, 300/300	53Ohm	63Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	1000mW	-	-	Through Hole	1.060 L x 0.820 W (26.92mm x 20.83mm)	0.820 (20.83mm)
148E TRANSF AUDIO 500 TO 125/500 IMP Hammond Manufacturing	3,405	-	RFQ	Datasheet	Bulk	148	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)
148B TRANSF AUDIO 150 TO 400/1.6K IMP Hammond Manufacturing	3,788	-	RFQ	Datasheet	Bulk	148	Active	-	150	1.6k, 400/400	11.3Ohm	200Ohm	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)
149T TRANSFORM AUDIO 600CT/600CT IMP Hammond Manufacturing	2,254	-	RFQ	Datasheet	Bulk	149	Active	-	600CT	600CT	53Ohm	70Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	1000mW	-	-	Through Hole	1.060 L x 0.820 W (26.92mm x 20.83mm)	0.820 (20.83mm)
148D TRANSFORMER AUDIO 200K/1K IMP Hammond Manufacturing	3,755	-	RFQ	Datasheet	Bulk	148	Active	-	200k	1k	1.76kOhm	6.2Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	3mW	-	-	Through Hole	0.820 L x 0.680 W (20.83mm x 17.27mm)	0.690 (17.53mm)
104S TRANSFORMER AUDIO 600CT/150CT Hammond Manufacturing	3,681	-	RFQ	Datasheet	Bulk	104	Active	-	600CT	150CT	47Ohm	10.6Ohm	Miniature Epoxy Potted	200Hz	-1dB	200V	1dB	-	500mW	-	-	Through Hole	0.860 L x 0.710 W (21.84mm x 18.03mm)	0.750 (19.05mm)
104R TRANSFORMER AUDIO 500CT/8 Hammond Manufacturing	3,329	-	RFQ	Datasheet	Bulk	104	Active	-	500CT	8	27Ohm	900mOhm	Miniature Epoxy Potted	200Hz	-1dB	200V	1dB	-	500mW	-	-	Through Hole	0.860 L x 0.710 W (21.84mm x 18.03mm)	0.750 (19.05mm)
117K8 TRANSF LINE MATCHING 8W 8 OHM Hammond Manufacturing	3,043	-	RFQ	Datasheet	Bulk	117	Active	-	8	25V	-	-	Sound Distribution	100Hz ~ 9kHz	1dB	-	2dB	-	8W	-	-	Chassis Mount	3.250 L x 1.750 W (82.55mm x 44.45mm)	2.000 (50.80mm)
106E TRANSFORMER AUDIO 600CT/600 Hammond Manufacturing	2,737	-	RFQ	Datasheet	Bulk	106	Active	-	600CT	600	65Ohm	83Ohm	Miniature Epoxy Potted	150Hz	-1dB	200V	1dB	-	500mW	-	-	Through Hole	1.080 L x 0.880 W (27.43mm x 22.35mm)	0.950 (24.13mm)
104Q TRANSFORMER AUDIO 500CT/3.2 Hammond Manufacturing	2,056	-	RFQ	Datasheet	Bulk	104	Active	-	500CT	3.2	27Ohm	400mOhm	Miniature Epoxy Potted	200Hz	-1dB	200V	1dB	-	500mW	-	-	Through Hole	0.860 L x 0.710 W (21.84mm x 18.03mm)	0.750 (19.05mm)
106S TRANSFORMER AUDIO 100CT/3.2 Hammond Manufacturing	2,826	-	RFQ	Datasheet	Bulk	106	Active	-	100CT	3.2	4.4Ohm	300mOhm	Miniature Epoxy Potted	170Hz	-1dB	200V	1dB	-	1.5W	-	-	Through Hole	1.080 L x 0.880 W (27.43mm x 22.35mm)	0.950 (24.13mm)
109N TRANSFORMER AUDIO 10KCT/600CT Hammond Manufacturing	3,443	-	RFQ	Datasheet	Bulk	109	Active	4.08:1	10kCT	600CT	660Ohm	54Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	2W	-	-	Through Hole	1.315 L x 0.930 W (33.40mm x 23.62mm)	0.920 (23.37mm)
117F16 TRANSF LINE MATCHING 16W 8 OHM Hammond Manufacturing	3,378	-	RFQ	Datasheet	Bulk	117	Active	-	8	70V	-	-	Sound Distribution	100Hz ~ 9kHz	1dB	-	2dB	-	16W	-	-	Chassis Mount	3.690 L x 2.000 W (93.73mm x 50.80mm)	2.310 (58.67mm)
106C TRANSFORMER AUDIO 50000/1500CT Hammond Manufacturing	2,739	-	RFQ	Datasheet	Bulk	106	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)
117F32 TRANSF LINE MATCHING 32W 8 OHM Hammond Manufacturing	2,253	-	RFQ	Datasheet	Bulk	117	Active	-	8	70V	-	-	Sound Distribution	100Hz ~ 9kHz	1dB	-	2dB	-	32A	-	-	Chassis Mount	4.030 L x 2.250 W (102.36mm x 57.15mm)	2.630 (66.80mm)
125B TRANSFORMER 5W 45MA TUBE TYPE Hammond Manufacturing	2,476	-	RFQ	Datasheet	Bulk	125	Active	-	1.2k ~ 25k	1.5 ~ 15	-	-	General Purpose	150Hz ~ 15kHz	±1dB	-	-	-	5W	-	-	Chassis Mount	2.380 L x 1.380 W (60.45mm x 35.05mm)	1.380 (35.05mm)