Hammond Manufacturing

Hammond Manufacturing

Hammond Manufacturing is a well-established company specializing in the design and manufacture of electrical and electronic enclosures, transformers, and power management solutions. With a history dating back to 1917, Hammond has built a reputation for producing high-quality products that cater to a diverse range of industries, including industrial, commercial, and OEM markets. The company's extensive product line encompasses enclosures for electronics, racks and cabinets, as well as power distribution and control products, all designed to meet stringent industry standards. Known for its commitment to innovation and reliability, Hammond continues to be a trusted provider of solutions that safeguard and support vital electrical and electronic equipment across various sectors, earning the trust of customers worldwide.

Audio Transformers

Results:
425
Series
Size / Dimension
Height - Seated (Max)
DC Resistance (DCR) - Secondary
DC Resistance (DCR) - Primary
Power Level
Impedance - Secondary (Ohms)
Impedance - Primary (Ohms)
Transformer Type
Frequency Range
Frequency Response
Voltage - Isolation
Insertion Loss
Return Loss
Turns Ratio - Primary
Termination Style
Mounting Type
Operating Temperature
Approval Agency
Turns Ratio - Primary:Secondary
Results remaining425
Applied Filters:
Hammond Manufacturing
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ImageProduct DetailPriceAvailabilityECAD ModelOperating TemperatureMounting TypeTermination StyleSeriesImpedance - Primary (Ohms)Impedance - Secondary (Ohms)DC Resistance (DCR) - PrimaryDC Resistance (DCR) - SecondaryTransformer TypeFrequency RangeFrequency ResponseVoltage - IsolationInsertion LossReturn LossPower LevelApproval AgencySize / DimensionHeight - Seated (Max)Turns Ratio - Primary
108E
TRANSFORMER AUDIO 600CT/3.2
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
108
600CT
3.2
54Ohm
400mOhm
Miniature Epoxy Potted
300Hz ~ 50kHz
±1.75dB
100VRMS
-
-
500mW
-
1.030" L x 0.770" W (26.16mm x 19.56mm)
0.770" (19.56mm)
Secondary:13.71:1
1620
TRANSFORMER AUDIO 6.6KCT 20W
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
1600
6.6kCT
4, 8, 16
65.4Ohm, 74.6Ohm
310mOhm, 500mOhm
Push-Pull Audiophile, Ultra-Linear - Tube Output
30Hz ~ 30kHz
±1dB
2000V @ 1 Second
±1dB
-
20W
-
3.500" L x 2.500" W (88.90mm x 63.50mm)
3.060" (77.72mm)
Secondary:-
101V
TRANSFORMER AUDIO 2500CT/50CT
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
101
2.5kCT
50CT
150.7Ohm
4.9Ohm
Miniature Epoxy Potted
200Hz ~ 100kHz
±0.5dB
-
-
-
100mW
-
0.450" L x 0.450" W (11.43mm x 11.43mm)
0.480" (12.19mm)
Secondary:-
101R
TRANSFORMER AUDIO 600CT/50CT
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
101
600CT
50CT
44Ohm
4.7Ohm
Miniature Epoxy Potted
200Hz ~ 100kHz
±0.5dB
-
-
-
100mW
-
0.450" L x 0.450" W (11.43mm x 11.43mm)
0.480" (12.19mm)
Secondary:-
102D
TRANSFORMER AUDIO 600/1500
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
102
600
1.5k
43Ohm
85Ohm
Miniature Epoxy Potted
310Hz
-1dB
100V
1.5dB
-
20mW
-
0.570" L x 0.570" W (14.48mm x 14.48mm)
0.480" (12.19mm)
Secondary:-
107G
TRANSFORMER AUDIO 600CT/250CT
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
107
600CT
250CT
60Ohm
40Ohm
Miniature Epoxy Potted
300Hz ~ 50kHz
±1.5dB
100VRMS
-
-
150mW
-
0.630" L x 0.586" W (16.00mm x 14.88mm)
0.630" (16.00mm)
Secondary:1.52:1
146B
TRANSFORMER AUDIO 48CT/3.2 IMPED
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
146
48CT
3.2
2.4Ohm
300mOhm
Economical Open Type
150Hz ~ 15kHz
±1dB
-
-
-
700mW
-
1.630" L x 0.880" W (41.40mm x 22.35mm)
0.810" (20.57mm)
Secondary:-
144I
TRANSFORMR AUDIO 600CT/150CT IMP
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
144
600CT
150CT
45Ohm
8.2Ohm
Economical Open Type
150Hz ~ 15kHz
±1dB
-
-
-
150mW
-
1.000" L x 0.690" W (25.40mm x 17.53mm)
0.690" (17.53mm)
Secondary:-
1750A
TRANSFORMER TUBE GUITAR AMP
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
1750
22.8k
8
1.065kOhm
1.02Ohm
Single Ended Audiophile, Ultra-Linear - Tube Output
70Hz ~ 15kHz
±1dB
-
-
-
3.5W
-
2.000" L x 1.440" W (50.80mm x 36.58mm)
1.773" (45.03mm)
Secondary:53.11:1
119DA
TRANSFORMER AUDIO 600 TO 8CT
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
119
600
4, 8
-
-
Tube Driver and Speaker Matching
30Hz ~ 20kHz
±1dB
-
-
-
12W
-
3.280" L x 2.350" W (83.31mm x 59.69mm)
2.000" (50.80mm)
Secondary:-
1140-LN-B
LINE INPUT TRANSFORMER
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Screw Terminal
1140
10k
10k
-
-
Impedance Matching
20Hz ~ 20kHz
±0.35dB
-
-
-
-
-
-
-
Secondary:1:1
140QEX
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Screw Terminal
140EX
600CT
600CT
72.4Ohm
72.4Ohm
-
20Hz ~ 20kHz
±1dB
500Vrms
1.1dB Typ
20dB Typ
10dB
-
1.250" Dia (31.75mm)
1.000" (25.40mm)
Secondary:1:1
1630SEA
AUDIOPHILE TUBE OUTPUT TRANSFRMR
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
1600
3.5k
4, 8, 16
110.1Ohm
634mOhm
Single Ended Audiophile, Ultra-Linear - Tube Output
20Hz ~ 20kHz
±1dB
2828VDC @ 1 Second
±1dB
-
30W
-
4.980" L x 3.750" W (126.49mm x 95.25mm)
4.650" (118.11mm)
Secondary:-
1638SEA
AUDIOPHILE TUBE OUTPUT TRANSFRMR
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
1600
10k
4, 8, 16
-
-
Single Ended Audiophile
20Hz ~ 20kHz
±1dB
2000Vrms
±1dB
-
30W
-
4.880" L x 3.750" W (123.95mm x 95.25mm)
4.560" (115.82mm)
Secondary:-
1629SE
TRANSFORMR AUDIO 6.5K IMPD 25W
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Chassis Mount
Wire Leads
1600
6.5k
4, 8, 16
-
-
Single Ended Audiophile, Ultra-Linear - Tube Output
20Hz ~ 20kHz
±1dB
-
±1dB
-
25W
-
5.000" L x 3.750" W (127.00mm x 95.20mm)
4.560" (115.82mm)
Secondary:-
1650KP
TRANSFMR AUDIO 3.4KCT 4/8/16 IMP
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
-
1600
3.4kCT
4, 8, 16
-
-
Push-Pull Potted, Ultra-Linear - Tube Output
30Hz ~ 30kHz
±1dB
-
-
-
50W
-
3.880" L x 3.310" W (98.55mm x 84.07mm)
4.250" (107.95mm)
Secondary:-
150J022
TRANSFORMER AUDIO 600/600 80ADC
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
150
600
600
47Ohm
63Ohm
Voice
300Hz ~ 3.4kHz
3dB
-
2dB
9dB
-
-
0.800" L x 0.720" W (20.32mm x 18.29mm)
0.730" (18.54mm)
150J023
TRANSFORMER AUDIO 600/600 0.0ADC
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
150
600
600
47Ohm
63Ohm
Voice
300Hz ~ 3.4kHz
0.5dB
-
1.5dB
12dB
-
-
0.810" L x 0.690" W (20.57mm x 17.53mm)
0.640" (16.26mm)
150J032
TRANSFORMR AUDIO 600/600CT 75ADC
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
150
600
600CT
67Ohm
90Ohm
Voice
300Hz ~ 3.4kHz
0.5dB
-
1.5dB
26dB
-
-
1.650" L x 1.340" W (41.91mm x 34.04mm)
0.650" (16.51mm)
Secondary:-
150J011
TRANSFORMER AUDIO 600/600 0.0ADC
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Quantity
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PCB Symbol, Footprint & 3D Model
-
Through Hole
PC Pin
150
600
600
34Ohm
47Ohm
Voice
300Hz ~ 3.4kHz
0.5dB
-
1.25dB
24dB
-
-
0.955" L x 0.685" W (24.26mm x 17.40mm)
0.500" (12.70mm)
Secondary:-

About  Audio Transformers

Audio transformers, like other types of transformers, are composed of multiple coils of wire that are magnetically coupled together. These coils are typically wound around a magnetic core. Audio transformers have specific characteristics that distinguish them from other transformer types. They are designed and optimized to operate within the frequency range that is perceptible to the human ear, which spans approximately 20 Hz to 20 kHz. The primary purpose of audio transformers is to isolate and transform analog information. They play a crucial role in various applications where audio signals need to be transmitted, processed, or converted. Unlike transformers used for digital signaling protocols, audio transformers are specifically tailored for handling analog audio signals. One common application of audio transformers is in vacuum tube amplifiers, where they serve as output transformers. These transformers are responsible for matching the high impedance of the vacuum tube amplifier to the lower impedance of the speaker, allowing for efficient power transfer and impedance matching. Another example is voice coupling transformers used in traditional telecom applications. These transformers are employed to couple and transmit voice signals in telecommunication systems, ensuring clear and reliable communication between users. In summary, audio transformers are a specialized type of transformer designed for use within the audible frequency range. They enable the isolation, transformation, and transmission of analog audio signals in various applications such as vacuum tube amplifiers and traditional telecom systems.