J Series Shielded Audio Transformers

Triad Magnetics J Series Shielded Audio Transformers feature high-nickel laminations, paper section windings, and a specially tooled shielding enclosure with mu-metal, a nickel-iron soft ferromagnetic alloy with high permeability. These classic transformers were created in the 1950s and are ideal for both new and vintage audio gear, sound processing, and analog studio recording equipment. The J Series offers a shielded audio impedance matching design for a warm signal, while the single-hole mounting enables rotation for maximum hum reduction. Triad Magnetics J Series Shielded Audio Transformers are available in a variety of overall turn ratios and feature a maximum input level of 1mW to 500mW.

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Qty. RoHS ECAD Model Product
Type
Termination Style
Frequency Range
Inductance
Primary Impedance
Secondary Impedance
Minimum Operating Temperature
Maximum Operating Temperature
Application
Height
Series
Triad Magnetics Audio Transformers / Signal Transformers 600/250/50 ohms:60K ohms (1:10.0) 10mW
Datasheet
26In Stock
Min.: 1
Mult.: 1

Audio Transformers Audio Transformer Wire Lead 20 Hz to 20 kHz 7 H 50 Ohms, 250 Ohms, 600 Ohms 60 kOhms 0 C + 70 C Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600CT/150 ohms:60K ohms (1:10.0) 10mW
Datasheet
19In Stock
Min.: 1
Mult.: 1

Audio Transformers Audio Transformer Wire Lead 20 Hz to 20 kHz 7 H 150 Ohms, 600 Ohms 60 kOhms 0 C + 70 C Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600/250/50 ohms:85K ohms (1:12.0) 1mW
Datasheet
20In Stock
Min.: 1
Mult.: 1

Audio Transformers Audio Transformer Wire Lead 30 Hz to 15 kHz 50 Ohms, 250 Ohms, 600 Ohms 85 kOhms 0 C + 70 C Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600CT/150 ohms:60K ohms (1:10.5) 1mW
Datasheet
9In Stock
Min.: 1
Mult.: 1

Audio Transformers Audio Transformer Wire Lead 30 Hz to 15 kHz 600 Ohms, 150 Ohms 60 kOhms 0 C + 70 C Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600/300/200CT/110/50 ohms:600CT/150 ohms (1:1.0) 1mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 50 Ohms, 110 Ohms, 200 Ohms, 300 Ohms, 600 Ohms 150 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600CT/150 ohms:20K ohms (1:5.77) 10mW Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

600 Ohms, 150 Ohms 20 kOhms Pre-Amplification, Inter-Stage Isolation AJ
Triad Magnetics Audio Transformers / Signal Transformers 600/250/50 ohms:20K ohms (1:577) 10mW Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

600 Ohms, 250 Ohms, 50 Ohms 20 kOhms Pre-Amplification, Inter-Stage Isolation AJ
Triad Magnetics Audio Transformers / Signal Transformers 15K ohms:115KCT ohms (1:2.76) 10mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Audio Transformers Audio Transformer Wire Lead 15 kOhms 115 kOhms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 15K ohms 8mADC:80KCT ohms (1:2.3) 32mW 8mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 15 kOhms 80 kOhms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 500CT/125 ohms :2KCT/500 ohms (1:2.0) 100mW 20mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 125 Ohms, 500 Ohms 500 Ohms, 2 kOhms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 15K ohms:600/250/75 ohms (5.0:1) 100mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 15 kOhms 50 Ohms, 250 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 500CT/125 ohms :16/4 ohms (5.6:1) 100mW 15mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 125 Ohms, 500 Ohms 4 Ohms, 16 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600/250/50 ohms:600/250/50 ohms (1:1) 50mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 50 Ohms, 250 Ohms, 600 Ohms 50 Ohms, 250 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 10KCT/2500 ohms:2000CT/500 (2.24:1) 100mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 2.5 kOhms, 10 kOhms 500 Ohms, 2 kOhms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600/150 ohms:600/150 ohms (1.4:1:1) 50mW
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 20 Hz to 20 kHz 7 H 150 Ohms, 600 Ohms 150 Ohms, 600 Ohms 0 C + 70 C Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 15KCT ohms:600CT/150 ohms (5.0:1) 100mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 15 kOhms 150 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 15K ohms :600/250/50 ohms (5.0:2) 100mW 4mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 15 kOhms 50 Ohms, 250 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600CT/150 ohms:600CT/150 ohms (1:1) 50mW
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1

Audio Transformers Audio Transformer Wire Lead 20 Hz to 20 kHz 150 Ohms, 600 Ohms 150 Ohms, 600 Ohms 0 C + 70 C Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 15KCT ohms :600CT/150 ohms (5.0:3) 100mW 4mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 15 kOhms 150 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 25KCT/6250 ohms :500CT/125 ohms (7.0:1:1) 100mW 5mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 6.25 kOhms, 25 kOhms 125 Ohms, 500 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 600CT/150 ohms:600CT/150 ohms (1.82:1) 200mW
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 2 kOhms 150 Ohms, 600 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ
Triad Magnetics Audio Transformers / Signal Transformers 1K ohms 10mADC:200CT/50 ohms (2.2:1) 200mW 10mA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 20
Mult.: 20

Audio Transformers Audio Transformer Wire Lead 1 kOhms 50 Ohms, 200 Ohms Pre-Amplification, Inter-Stage Isolation 1.81 in AJ