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DC Resistance (DCR) - Secondary
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Factory Lead Time
4 Weeks (20)
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Frequency Response
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Height
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Lead Free
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Max DC Current
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Mount
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Pbfree Code
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Published
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REACH SVHC
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Resistance
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RoHS Status
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Secondary Current
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Series
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Shielding
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Size / Dimension
2.813Lx1.560W 71.45mmx39.62mm (1)

4.050Lx3.715W 102.87mmx94.36mm (1)

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Termination
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Wire Leads (16)

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Transformer Type
Single Ended Audiophile, Ultra-Linear - Tube Output (1)

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Push-Pull Audiophile, Ultra-Linear - Tube Output (6)

Broadcast Quality (2)

BROADCAST AUDIO TRANSFORMER (3)
Turns Ratio - Primary:Secondary
49.16:1 (1)

32.61:1 (1)

29.19:1 (2)

14.21:1 (1)

10.14:1 (1)

40.62:1, 28.72:1, 20.31:1 (1)
Voltage - Isolation
2000V @ 1 Second (2)

2500V @ 1 Second (1)

120/240VAC (5)
Weight
0.625lb 283.5g (7)

3.999778kg (1)

0.25lb 113.4g (2)

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Audio Transformers

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100 Results

Product	Inventory	Pricing(USD)	Datasheet	Current Rating	DC Resistance (DCR)	DC Resistance (DCR) - Primary	DC Resistance (DCR) - Secondary	ECCN Code	Factory Lead Time	Frequency	Frequency Range	Frequency Response	Height	Height Seated (Max)	Impedance - Primary (u03a9)	Impedance - Secondary (u03a9)	Inductance	Insertion Loss	Insertion Loss (dB)	Lead Free	Max DC Current	Moisture Sensitivity Level (MSL)	Mount	Mounting Type	Package / Case	Packaging	Part Status	Pbfree Code	Power Level	Power Rating	Published	REACH SVHC	Resistance	RoHS Status	Secondary Current	Series	Shielding	Size / Dimension	Termination	Termination Style	Transformer Type	Turns Ratio - Primary:Secondary	Voltage - Isolation	Weight
1750C Hammond Manufacturing	41	-	-	-	-	314.2Ohm	295mOhm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	42.7482mm	1.746 44.35mm	5k 8k	3.2	88.62 H	-	1 dB	Lead Free	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	-	5W	2008	-	-	ROHS3 Compliant	-	1750	Unshielded	2.813Lx1.560W 71.45mmx39.62mm	Wire Leads	Wire Leads	Single Ended Audiophile, Ultra-Linear - Tube Output	49.16:1	-	0.625lb 283.5g
1750D Hammond Manufacturing	2706	-	-	-	-	33.09Ohm 34.82Ohm 370mOhm	300mOhm 690mOhm 860mOhm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	-	3.563 90.50mm	2.35kCT/25m	4 8 16	-	-	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	100W	-	2012	-	-	ROHS3 Compliant	-	1750	-	4.050Lx3.715W 102.87mmx94.36mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	2000V @ 1 Second	-
1750E Hammond Manufacturing	34	-	-	-	-	150Ohm 300Ohm	450mOhm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	50.673mm	2.058 52.27mm	8kCT	8	136.42 H	-	1 dB	Lead Free	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	-	15W	2008	-	-	ROHS3 Compliant	-	1750	Unshielded	3.250Lx2.085W 82.55mmx52.96mm	Wire Leads	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	32.61:1	-	0.625lb 283.5g
1750F Hammond Manufacturing	48	-	-	-	-	97.36Ohm 194.7Ohm	409mOhm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	-	2.058 52.27mm	6.95kCT	8	-	-	1 dB	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	15W	-	-	-	-	ROHS3 Compliant	-	1750	-	3.250Lx1.687W 82.55mmx42.85mm	Wire Leads	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	29.19:1	-	0.625lb 283.5g
1750G Hammond Manufacturing	-	-	-	-	-	95.61Ohm	250mOhm	-	4 Weeks	-	50Hz~12kHz	u00b11dB	-	3.873 98.37mm	3.8kCT	4 8 16	-	-	1 dB	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	50W	-	-	-	-	ROHS3 Compliant	-	1750	-	3.750Lx3.320W 95.25mmx84.33mm	Wire Leads	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	14.21:1	-	0.625lb 283.5g
1750JA Hammond Manufacturing	29	-	-	-	-	82Ohm 108.3Ohm	253mOhm 462mOhm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	-	3.319 84.30mm	4.25kCT	4 8	-	-	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	40W	-	2012	-	-	ROHS3 Compliant	-	1750	-	2.500Lx3.150W 63.50mmx80.01mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	2000V @ 1 Second	-
1750NA Hammond Manufacturing	50	-	-	9mA	147.4Ohm	73.2Ohm 74.41Ohm 147.4Ohm	300mOhm 580mOhm 820mOhm	-	4 Weeks	-	50Hz~12kHz	u00b11dB	63.5mm	2.525 64.14mm	6kCT	8 16	-	-	-	-	9mA	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	-	30W	2011	-	-	ROHS3 Compliant	-	1750	-	3.000Lx2.465W 76.20mmx62.61mm	Solder	Solder Lug	POWER TRANSFORMER	-	2500V @ 1 Second	-
1750X Hammond Manufacturing	2632	-	-	-	-	5.03Ohm 12.3Ohm 7.16Ohm	20mOhm 30mOhm 50mOhm	-	4 Weeks	-	50Hz~12kHz	u00b11dB	80.645mm	3.238 85.25mm	2kCT	2 4 8 16	50.93 H	-	1 dB	Lead Free	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	-	100W	2008	-	-	ROHS3 Compliant	-	1750	-	3.786Lx4.049W 96.16mmx102.84mm	Solder	Solder Lug	Push-Pull Audiophile, Ultra-Linear - Tube Output	10.14:1	-	0.625lb 283.5g
1760F Hammond Manufacturing	47	-	-	-	-	120Ohm	171mOhm 245mOhm 476mOhm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	-	2.058 52.27mm	6.95kCT	4 8 16	-	-	1 dB	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	15W	-	-	-	-	ROHS3 Compliant	-	1760	-	3.250Lx1.687W 82.55mmx42.85mm	Wire Leads	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	29.19:1	-	0.625lb 283.5g
1760H Hammond Manufacturing	45	-	-	-	-	347.8Ohm	686mOhm 803mOhm 1.157Ohm	-	4 Weeks	-	70Hz~15kHz	u00b11dB	58.6232mm	2.371 60.22mm	6.6kCT	4 8 16	-	-	1 dB	Lead Free	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	-	20W	-	-	-	-	ROHS3 Compliant	-	1760	-	3.710Lx2.400W 94.23mmx60.96mm	Wire Leads	Wire Leads	Push-Pull Audiophile, Ultra-Linear - Tube Output	40.62:1, 28.72:1, 20.31:1	-	0.625lb 283.5g
290SX Hammond Manufacturing	2709	-	-	-	4.72Ohm	1.1Ohm 1.24Ohm 1.34Ohm	100mOhm 1.68Ohm 4.72Ohm	-	4 Weeks	-	-	-	120.65mm	4.813 122.25mm	-	-	-	-	-	-	3.75A	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	-	-	2011	-	-	ROHS3 Compliant	-	290	-	3.750Lx5.625W 95.25mmx142.88mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	120/240VAC	-
290TX Hammond Manufacturing	2678	-	-	-	-	1.18Ohm	70mOhm 80mOhm 6.14Ohm 46.16Ohm	-	4 Weeks	-	-	-	-	4.188 106.38mm	-	-	-	-	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	-	-	2011	-	-	ROHS3 Compliant	-	290	-	3.438Lx4.300W 87.33mmx109.22mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	120/240VAC	-
290UX Hammond Manufacturing	2596	-	-	250mA	-	4.14Ohm	80mOhm 4.8Ohm 44.94Ohm	-	4 Weeks	-	-	-	-	3.813 96.85mm	-	-	-	-	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	-	-	2014	No SVHC	-	ROHS3 Compliant	-	290	-	3.125Lx3.250W 79.38mmx82.55mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	120/240VAC	3.999778kg
290WX Hammond Manufacturing	30	-	-	50mA	-	22.5Ohm	240mOhm 185.4Ohm	-	4 Weeks	60Hz	-	-	59.944mm	2.058 52.27mm	-	-	-	-	-	Lead Free	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	-	-	2011	No SVHC	-	ROHS3 Compliant	198mA	290	-	3.250Lx2.360W 82.55mmx59.94mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	120/240VAC	-
290XX Hammond Manufacturing	26	-	-	-	-	8.03Ohm	140mOhm 3.7Ohm 40.72Ohm	-	4 Weeks	60Hz	-	-	28.575mm	2.013 51.13mm	-	-	-	-	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	-	-	2011	-	-	ROHS3 Compliant	275mA	290	-	3.000Lx2.500W 76.20mmx63.50mm	Wire Leads	Wire Leads	POWER TRANSFORMER	-	120/240VAC	-
560L Hammond Manufacturing	43	-	-	-	-	-	-	EAR99	4 Weeks	-	30Hz~30kHz	u00b11dB	21.59mm	0.850 21.59mm	600 150/150	20k 5k/5k	-	1dB Max	1 dB	-	-	Not Applicable	Through Hole	Through Hole	600	Bulk	Active	-	-	1mW	-	-	-	ROHS3 Compliant	-	560	Shielded	1.330Lx1.640W 33.78mmx41.66mm	PC Pin	PC Pin	Broadcast Quality	-	-	0.25lb 113.4g
560Q Hammond Manufacturing	42	-	-	-	-	-	-	EAR99	4 Weeks	-	30Hz~15kHz	u00b11dB	21.59mm	0.850 21.59mm	40k 10k/10k	40k 10k/10k	-	1dB Max	1 dB	-	-	Not Applicable	Through Hole	Through Hole	-	Bulk	Active	-	-	1mW	2000	-	40kOhm	ROHS3 Compliant	-	560	-	1.330Lx1.640W 33.78mmx41.66mm	PC Pin	PC Pin	Broadcast Quality	-	-	0.25lb 113.4g
850JA Hammond Manufacturing	2164	-	-	-	-	69Ohm	570Ohm	EAR99	4 Weeks	-	20Hz~20kHz	u00b10.5dB	-	1.650 41.90mm	600 150/150	4.8k 1.2k/1.2k	-	1dB	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	600	Bulk	Active	yes	15dB	-	2014	-	-	ROHS3 Compliant	-	850A	-	1.700Lx1.200W 43.18mmx30.48mm	Wire Leads	Wire Leads	BROADCAST AUDIO TRANSFORMER	-	-	-
850LA Hammond Manufacturing	2906	-	-	-	-	2.24kOhm	69Ohm	EAR99	4 Weeks	-	20Hz~20kHz	u00b10.5dB	-	1.650 41.90mm	20k 5k/5k	600 150/150	-	1dB	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	-	Bulk	Active	yes	15dB	-	2014	-	-	ROHS3 Compliant	-	850A	-	1.700Lx1.200W 43.18mmx30.48mm	Wire Leads	Wire Leads	BROADCAST AUDIO TRANSFORMER	-	-	-
850NA Hammond Manufacturing	2657	-	-	-	-	65Ohm	4.98kOhm	EAR99	4 Weeks	-	20Hz~20kHz	u00b10.5dB	-	1.650 41.90mm	600 150/150	40k 10k/10k	-	1dB	-	-	-	Not Applicable	Chassis Mount	Chassis Mount	600	Bulk	Active	yes	15dB	-	-	-	-	ROHS3 Compliant	-	850A	-	1.700Lx1.200W 43.18mmx30.48mm	Wire Leads	Wire Leads	BROADCAST AUDIO TRANSFORMER	-	-	-

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