Audio Transformers / Signal Transformers

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1140 Studio Grade Audio Matching Transformers

Hammond Manufacturing 1140 Studio Grade Audio Matching Transformers provide superior performance with low distortion and low phase shifting. This performance allows for a frequency response of 20Hz to 20kHz ±0.35dB, (ref. @ 1kHz). Hammond 1140 series is designed with nickel alloy cores for high performance and wide bandwidth.

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Part #

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 10k to 10k

1140-LN-B
Hammond Manufacturing
1: $131.14
5In Stock

Mfr. Part No.
1140-LN-B

Mouser Part No
546-1140-LN-B

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 10k to 10k

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Datasheet

5In Stock

$131.14

$113.18

$109.83

$106.45

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

12 kOhms

2.1 kOhms

Single

2.25 in

1.069 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

1140-LU-B
Hammond Manufacturing
1: $73.52
1In Stock
3Expected 7/9/2026

Mfr. Part No.
1140-LU-B

Mouser Part No
546-1140-LU-B

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

1In Stock

3Expected 7/9/2026

$73.52

$65.81

$62.97

$60.89

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

710 kOhms

115 Ohms

Single

2.063 in

1.063 in

1.19 in

1140

Audio Transformers / Signal Transformers Audio transformer, mic input, chassis mount, impedance ratio 150 to 15K

1140-MN-A
Hammond Manufacturing
1: $156.11
12In Stock

Mfr. Part No.
1140-MN-A

Mouser Part No
546-1140-MN-A

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, mic input, chassis mount, impedance ratio 150 to 15K

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Datasheet

12In Stock

$156.11

$124.58

$122.48

$121.09

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

20 Hz to 20 kHz

1.3 kOhms

12.5 Ohms

Single

2.25 in

1.069 in

1140

Audio Transformers / Signal Transformers Audio transformer, mic input, chassis mount, impedance ratio 150 to 3.8K

1140-MN-B
Hammond Manufacturing
1: $183.97
2In Stock

Mfr. Part No.
1140-MN-B

Mouser Part No
546-1140-MN-B

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, mic input, chassis mount, impedance ratio 150 to 3.8K

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Datasheet

2In Stock

$183.97

$171.46

$168.10

$165.85

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

20 Hz to 20 kHz

1.7 kOhms

4.6 kOhms

Single

2.25 in

1.724 in

1140

Audio Transformers / Signal Transformers Audio transformer, direct box, chassis mount, impedance ratio 200K to 1.5K

1140-DB-A
Hammond Manufacturing
1: $134.72
7In Stock

Mfr. Part No.
1140-DB-A

Mouser Part No
546-1140-DB-A

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, direct box, chassis mount, impedance ratio 200K to 1.5K

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Datasheet

7In Stock

$134.72

$122.97

$121.07

$119.14

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

200 kOhms

1.5 kOhms

Single

2.25 in

1.069 in

1140

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 10k to 20k

1140-LN-A
Hammond Manufacturing
1: $138.72
6In Stock

Mfr. Part No.
1140-LN-A

Mouser Part No
546-1140-LN-A

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 10k to 20k

Learn More

Datasheet

6In Stock

$138.72

$119.46

$117.72

$115.59

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

12 kOhms

4.1 kOhms

2.25 in

1.069 in

1140

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 36K to 2.2K

1140-LN-C
Hammond Manufacturing
1: $210.38
4In Stock

Mfr. Part No.
1140-LN-C

Mouser Part No
546-1140-LN-C

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 36K to 2.2K

Learn More

Datasheet

4In Stock

$210.38

$176.61

$173.36

$171.03

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

38.5 kOhms

110 Ohms

Single

2.25 in

1.732 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

1140-LU-D
Hammond Manufacturing
1: $98.48
17In Stock

Mfr. Part No.
1140-LU-D

Mouser Part No
546-1140-LU-D

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

17In Stock

$98.48

$82.33

$81.36

$79.97

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

680 Ohms

80 Ohms

Single

2.375 in

1.19 in

1.38 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

1140-LU-E
Hammond Manufacturing
1: $170.33
7In Stock

Mfr. Part No.
1140-LU-E

Mouser Part No
546-1140-LU-E

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

7In Stock

$170.33

$144.27

$141.56

$139.16

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

680 Ohms

80 Ohms

Single

2.812 in

1.3 in

1.625 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

1140-LU-G
Hammond Manufacturing
1: $188.33
1In Stock

Mfr. Part No.
1140-LU-G

Mouser Part No
546-1140-LU-G

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

1In Stock

$188.33

$185.20

$183.60

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

680 Ohms

80 Ohms

Single

3.25 in

1.55 in

1.95 in

1140

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 600 to 600

1140-LN-E
Hammond Manufacturing
1: $240.90
37Factory Stock Available

Mfr. Part No.
1140-LN-E

Mouser Part No
546-1140-LN-E

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

37Factory Stock Available

More Info Available

$240.90

$229.46

$224.71

$224.43

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

800 Ohms

Single

2.5 in

1.956 in

1140

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 40K to 2.4K

1140-LN-D
Hammond Manufacturing
1: $130.23
11Factory Stock Available

Mfr. Part No.
1140-LN-D

Mouser Part No
546-1140-LN-D

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line input, chassis mount, impedance ratio 40K to 2.4K

Learn More

Datasheet

11Factory Stock Available

More Info Available

$130.23

$123.11

$121.46

$119.46

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

42 kOhms

225 Ohms

Single

2.25 in

1.069 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 10K to 600

1140-LU-A
Hammond Manufacturing
1: $240.80
62Factory Stock Available

Mfr. Part No.
1140-LU-A

Mouser Part No
546-1140-LU-A

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 10K to 600

Learn More

Datasheet

62Factory Stock Available

More Info Available

$240.80

$229.53

$226.45

$223.94

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

11.5 kOhms

100 Ohms

Single

2.809 in

1.69 in

1.653 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

1140-LU-C
Hammond Manufacturing
1: $122.98
20Factory Stock Available

Mfr. Part No.
1140-LU-C

Mouser Part No
546-1140-LU-C

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

20Factory Stock Available

More Info Available

$122.98

$115.72

$114.09

$112.08

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

680 Ohms

80 Ohms

Single

2.375 in

1.19 in

1.38 in

1140

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 150

1140-LU-F
Hammond Manufacturing
1: $192.39
34Factory Stock Available

Mfr. Part No.
1140-LU-F

Mouser Part No
546-1140-LU-F

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 150

Learn More

Datasheet

34Factory Stock Available

More Info Available

$192.39

$182.47

$180.04

$177.60

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

180 Ohms

80 Ohms

Single

3.25 in

1.55 in

1.95 in

1140

Audio Transformers / Signal Transformers Audio transformer, mic splitter, chassis mount, impedance ratio 150:150:150

1140-MS-B
Hammond Manufacturing
1: $185.06
28Factory Stock Available

Mfr. Part No.
1140-MS-B

Mouser Part No
546-1140-MS-B

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, mic splitter, chassis mount, impedance ratio 150:150:150

Learn More

Datasheet

28Factory Stock Available

More Info Available

$185.06

$174.95

$172.64

$170.11

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

560 kOhms

220 Ohms

Single

2.25 in

1.069 in

1140

Audio Transformers / Signal Transformers Audio transformer, mic splitter, chassis mount, impedance 150:150:150 :150

1140-MS-C
Hammond Manufacturing
1: $269.06
17Factory Stock Available

Mfr. Part No.
1140-MS-C

Mouser Part No
546-1140-MS-C

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, mic splitter, chassis mount, impedance 150:150:150 :150

Learn More

Datasheet

17Factory Stock Available

More Info Available

$269.06

$257.37

$255.48

$254.65

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

397 Ohms

270 Ohms

Single

2.25 in

1.732 in

1140

Audio Transformers / Signal Transformers Audio transformer, mic splitter, chassis mount, impedance ratio 150 to 150

1140-MS-A
Hammond Manufacturing
1: $112.44
Lead-Time 3 Weeks

Mfr. Part No.
1140-MS-A

Mouser Part No
546-1140-MS-A

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, mic splitter, chassis mount, impedance ratio 150 to 150

Learn More

Datasheet

Lead-Time 3 Weeks

$112.44

$108.16

$104.37

$103.25

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

1.03 kOhms

235 Ohms

Single

2.25 in

1.069 in

1140

1140 Studio Grade Audio Matching Transformers

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