Audio Transformers

Results: 8
DC Resistance (DCR) - Primary
510mOhm1.1Ohm, 1.24Ohm, 1.34Ohm1.18Ohm1.52Ohm4.14Ohm8.03Ohm8.054Ohm, 9.752Ohm22.5Ohm
DC Resistance (DCR) - Secondary
40mOhm, 3.76Ohm, 5.865Ohm70mOhm, 80mOhm, 6.14Ohm, 46.16Ohm80mOhm, 4.75Ohm, 10.34Ohm80mOhm, 4.8Ohm, 44.94Ohm100mOhm, 1.68Ohm, 4.72Ohm140mOhm, 3.7Ohm, 40.72Ohm166mOhm, 4.776Ohm, 52.25Ohm240mOhm, 185.4Ohm
Size / Dimension
3.000" L x 2.500" W (76.20mm x 63.50mm)3.125" L x 3.250" W (79.38mm x 82.55mm)3.250" L x 2.360" W (82.55mm x 59.94mm)3.375" L x 2.385" W (85.73mm x 60.58mm)3.438" L x 4.300" W (87.33mm x 109.22mm)3.750" L x 5.625" W (95.25mm x 142.88mm)3.756" L x 5.580" W (95.40mm x 141.73mm)4.125" L x 3.985" W (104.77mm x 101.22mm)
Height - Seated (Max)
2.013" (51.13mm)2.058" (52.27mm)2.876" (73.05mm)3.813" (96.85mm)3.858" (97.99mm)4.188" (106.38mm)4.663" (118.44mm)4.813" (122.25mm)
Termination Style
Solder LugWire Leads
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Turns Ratio - Primary:Secondary
Impedance - Primary (Ohms)
Impedance - Secondary (Ohms)
DC Resistance (DCR) - Primary
DC Resistance (DCR) - Secondary
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
290 Series
290WX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
3
In Stock
99
Factory
1 : ¥470.31000
Bulk
Bulk
Active
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-
22.5Ohm
240mOhm, 185.4Ohm
-
-
120/240VAC
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-
-
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-
Chassis Mount
3.250" L x 2.360" W (82.55mm x 59.94mm)
2.058" (52.27mm)
Wire Leads
290 Series
290XX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
2
In Stock
10
Factory
1 : ¥850.34000
Bulk
Bulk
Active
-
-
-
8.03Ohm
140mOhm, 3.7Ohm, 40.72Ohm
-
-
120/240VAC
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-
-
-
-
Chassis Mount
3.000" L x 2.500" W (76.20mm x 63.50mm)
2.013" (51.13mm)
Wire Leads
290 Series
290UX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
1
In Stock
21
Factory
1 : ¥963.42000
Bulk
Bulk
Active
-
-
-
4.14Ohm
80mOhm, 4.8Ohm, 44.94Ohm
-
-
120/240VAC
-
-
-
-
-
Chassis Mount
3.125" L x 3.250" W (79.38mm x 82.55mm)
3.813" (96.85mm)
Wire Leads
290 Series
290QX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
0
In Stock
15
Factory
Check Lead Time
1 : ¥1,118.25000
Bulk
Bulk
Active
-
-
-
8.054Ohm, 9.752Ohm
166mOhm, 4.776Ohm, 52.25Ohm
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-
120/240VAC
-
-
-
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-
Chassis Mount
3.375" L x 2.385" W (85.73mm x 60.58mm)
2.876" (73.05mm)
Solder Lug
290 Series
290RX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
1
In Stock
3
Factory
1 : ¥1,548.09000
Bulk
Bulk
Active
-
-
-
510mOhm
40mOhm, 3.76Ohm, 5.865Ohm
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-
120/240VAC
-
-
-
-
-
Chassis Mount
3.756" L x 5.580" W (95.40mm x 141.73mm)
4.663" (118.44mm)
Wire Leads
290 Series
290TX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
1
In Stock
17
Factory
1 : ¥1,100.59000
Bulk
Bulk
Active
-
-
-
1.18Ohm
70mOhm, 80mOhm, 6.14Ohm, 46.16Ohm
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-
120/240VAC
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-
-
-
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Chassis Mount
3.438" L x 4.300" W (87.33mm x 109.22mm)
4.188" (106.38mm)
Wire Leads
290 Series
290VX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
1
In Stock
1
Factory
1 : ¥1,217.44000
Bulk
Bulk
Active
-
-
-
1.52Ohm
80mOhm, 4.75Ohm, 10.34Ohm
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-
120/240VAC
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-
-
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-
Chassis Mount
4.125" L x 3.985" W (104.77mm x 101.22mm)
3.858" (97.99mm)
Wire Leads
290 Series
290SX
AUDIO XFMR CHAS MNT
Hammond Manufacturing
1
In Stock
8
Factory
1 : ¥1,553.23000
Bulk
Bulk
Active
-
-
-
1.1Ohm, 1.24Ohm, 1.34Ohm
100mOhm, 1.68Ohm, 4.72Ohm
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-
120/240VAC
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-
-
-
-
Chassis Mount
3.750" L x 5.625" W (95.25mm x 142.88mm)
4.813" (122.25mm)
Wire Leads
Showing
of 8

Audio Transformers

Like most other transformer products, audio transformers consist of two or more magnetically coupled coils of wire, usually wound around a magnetic core. They are distinguished from other transformer types by being adapted and characterized for use at frequencies across all or a significant portion of the human audible range spanning roughly 20 Hz to 20 kHz, and are used for isolation and transformation of information in analog format, as contrasted with transformers designed for transmission of information encoded using a digital signaling protocol. Examples include output transformers for vacuum tube amplifiers and voice coupling transformers for traditional telecom applications.