Available 24/7 at
0755-82798135Audio Transformers
Audio Transformers
Audio Transformers are magnetic components used for signal isolation, impedance matching, noise reduction and audio signal coupling in electronic circuits. They are widely used in professional audio equipment, amplifiers, mixers, communication devices, broadcasting systems, audio interfaces, instrumentation, consumer electronics and embedded audio applications.
This category includes audio isolation transformers, line matching transformers, microphone transformers, speaker transformers, impedance matching transformers, signal transformers and related magnetic components for audio systems. These products are commonly selected based on impedance ratio, frequency response, isolation voltage, signal level, distortion performance, mounting type, package style and application requirements.
TomatoElec supplies original Audio Transformers from recognized manufacturers such as Hammond Manufacturing, Triad Magnetics, Bourns, Pulse Electronics, Würth Elektronik, Murata, TDK, TE Connectivity and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Packaging | Product Status | Turns Ratio - Primary:Secondary | Impedance - Primary (Ohms) | Impedance - Secondary (Ohms) | DC Resistance (DCR) - Primary | DC Resistance (DCR) - Secondary | Transformer Type | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
124EXFMR 7KCT 15K / 135K 33.8K/33.8K |
4 | - |
|
Datasheet |
124 | Bulk | Active | 1:2.97, 1:5.94 | 7kCT, 15k | 135k, 33.8k/33.8k | 373Ohm, 355Ohm | 1.63kOhm, 2.25kOhm | Tube Driver and Speaker Matching | 150Hz ~ 15kHz | ±1dB | 500Vrms | - | - | 5W | - | - | Chassis Mount | 2.880" L x 1.740" W (73.15mm x 44.20mm) | 2.370" (60.20mm) | Wire Leads |
|
125CXFMR 1.2K-25K / 1.5-15 CHAS MNT |
1 | - |
|
Datasheet |
125 | Bulk | Active | - | 1.2k ~ 25k | 1.5 ~ 15 | - | - | General Purpose | 150Hz ~ 15kHz | ±1dB | - | - | - | 8W | - | - | Chassis Mount | 2.810" L x 1.500" W (71.37mm x 38.10mm) | 1.690" (42.93mm) | Wire Leads |
|
125JXFMR 2.5K 4K / 3.2, 4, 6, 8 CHAS |
0 | - |
|
Datasheet |
125 | Bulk | Active | - | 2.5k, 4k | 3.2, 4, 6, 8 | - | - | General Purpose | 150Hz ~ 15kHz | ±1dB | - | - | - | 8W | - | - | Chassis Mount | 3.250" L x 1.500" W (82.55mm x 38.10mm) | 1.940" (49.28mm) | Wire Leads |
|
125DXFMR 1.2K-25K / 1.5-15 CHAS MNT |
1 | - |
|
Datasheet |
125 | Bulk | Active | - | 1.2k ~ 25k | 1.5 ~ 15 | - | - | General Purpose | 150Hz ~ 15kHz | ±1dB | - | - | - | 10W | - | - | Chassis Mount | 3.250" L x 1.750" W (82.55mm x 44.45mm) | 2.000" (50.80mm) | Wire Leads |
|
1750HAUDIO XFMR 6.6KCT / 8 CHAS MNT |
1 | - |
|
Datasheet |
1750 | Box | Active | 28.72:1 | 6.6kCT | 8 | 428Ohm | 470mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 20W | - | - | Chassis Mount | 3.710" L x 2.400" W (94.23mm x 60.96mm) | 2.371" (60.22mm) | Wire Leads |
|
125EXFMR 1.2K-25K / 1.5-15 CHAS MNT |
0 | - |
|
Datasheet |
125 | Bulk | Active | - | 1.2k ~ 25k | 1.5 ~ 15 | - | - | General Purpose | 150Hz ~ 15kHz | ±1dB | - | - | - | 15W | - | - | Chassis Mount | 3.690" L x 2.000" W (93.73mm x 50.80mm) | 2.310" (58.67mm) | Wire Leads |
|
1760FXFMR 6.95KCT / 4, 8, 16 CHAS MNT |
1 | - |
|
Datasheet |
1760 | Box | Active | 29.19:1 | 6.95kCT | 4, 8, 16 | 120Ohm | 171mOhm, 245mOhm, 476mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 15W | - | - | Chassis Mount | 3.250" L x 1.687" W (82.55mm x 42.85mm) | 2.058" (52.27mm) | Wire Leads |
|
560CXFMR 48 12/12 / 600 150/150 TH |
0 | - |
|
Datasheet |
560 | Bulk | Active | - | 48, 12/12 | 600, 150/150 | - | - | Broadcast Quality | 30Hz ~ 30kHz | ±1dB | - | 1dB Max | - | - | - | - | Through Hole | 1.330" L x 1.640" W (33.78mm x 41.66mm) | 0.850" (21.59mm) | PC Pin |
|
560EXFMR 200 50/50 / 600 150/150 TH |
0 | - |
|
Datasheet |
560 | Bulk | Active | - | 200, 50/50 | 600, 150/150 | - | - | Broadcast Quality | 30Hz ~ 30kHz | ±1dB | - | 1dB Max | - | - | - | - | Through Hole | 1.330" L x 1.640" W (33.78mm x 41.66mm) | 0.850" (21.59mm) | PC Pin |
|
1750NAAUDIO XFMR 6KCT / 8, 16 CHAS MNT |
1 | - |
|
Datasheet |
1750 | Bulk | Active | - | 6kCT | 8, 16 | 73.2Ohm, 74.41Ohm, 147.4Ohm | 300mOhm, 580mOhm, 820mOhm | - | 50Hz ~ 12kHz | ±1dB | 2500V @ 1 Second | - | - | 30W | - | - | Chassis Mount | 3.000" L x 2.465" W (76.20mm x 62.61mm) | 2.525" (64.14mm) | Solder Lug |
|
125ASEXFMR 2.5K-10K / 4-32 CHAS MNT |
1 | - |
|
Datasheet |
125SE | Bulk | Active | - | 2.5k ~ 10k | 4 ~ 32 | 241.7 Ohm | 229mOhm, 323mOhm, 463mOhm, 670mOhm | General Purpose | 100Hz ~ 15kHz | ±1dB | 1500V @ 1 Second | - | - | 3W | - | - | Chassis Mount | 2.810" L x 1.350" W (71.37mm x 34.29mm) | 1.690" (42.93mm) | Wire Leads |
|
118944AUDIO XFMR |
1 | - |
|
Datasheet |
- | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
124BAUDIO XFMR 10K / 90KCT CHAS MNT |
1 | - |
|
Datasheet |
124 | Bulk | Active | 1:3 | 10k | 90kCT | 405Ohm | 1.525kOhm | Tube Driver and Speaker Matching | 150Hz ~ 15kHz | ±1dB | 500Vrms | - | - | 5W | - | - | Chassis Mount | 2.380" L x 1.350" W (60.45mm x 34.29mm) | 1.430" (36.32mm) | Wire Leads |
|
125CSEXFMR 2.5K-10K / 4-32 CHAS MNT |
1 | - |
|
Datasheet |
125SE | Bulk | Active | - | 2.5k ~ 10k | 4 ~ 32 | - | - | General Purpose | 100Hz ~ 15kHz | ±1dB | - | - | - | 8W | - | - | Chassis Mount | 3.690" L x 1.860" W (93.73mm x 47.24mm) | 2.310" (58.67mm) | Wire Leads |
|
1750JAUDIO XFMR 4KCT / 4 CHAS MNT |
1 | - |
|
Datasheet |
1750 | Box | Active | 31.11:1 | 4kCT | 4 | 185Ohm | 400mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 35W | - | - | Chassis Mount | 4.076" L x 3.170" W (103.53mm x 80.52mm) | 2.630" (66.80mm) | Wire Leads |
|
1760JXFMR 4KCT / 4, 8, 16 CHAS MNT |
0 | - |
|
Datasheet |
1760 | Box | Active | 31.11:1 | 4kCT | 4, 8, 16 | 185Ohm | 400mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 35W | - | - | Chassis Mount | 4.076" L x 3.170" W (103.53mm x 80.52mm) | 3.513" (89.23mm) | Wire Leads |
|
1750JAXFMR 4.25KCT / 4, 8 CHAS MNT |
1 | - |
|
Datasheet |
1750 | Bulk | Active | - | 4.25kCT | 4, 8 | 82Ohm, 108.3Ohm | 253mOhm, 462mOhm | - | 70Hz ~ 15kHz | ±1dB | 2000V @ 1 Second | - | - | 40W | - | - | Chassis Mount | 2.500" L x 3.150" W (63.50mm x 80.01mm) | 3.319" (84.30mm) | Wire Leads |
|
290XXAUDIO XFMR CHAS MNT |
1 | - |
|
Datasheet |
290 | Bulk | Active | - | - | - | 8.03Ohm | 140mOhm, 3.7Ohm, 40.72Ohm | - | - | - | 120/240VAC | - | - | - | - | - | Chassis Mount | 3.000" L x 2.500" W (76.20mm x 63.50mm) | 2.013" (51.13mm) | Wire Leads |
|
1750KAUDIO XFMR 4KCT / 2 CHAS MNT |
1 | - |
|
Datasheet |
1750 | Box | Active | 44.67:1 | 4kCT | 2 | 43.16Ohm, 46.28Ohm | 180mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 50W | - | - | Chassis Mount | 4.063" L x 3.125" W (103.20mm x 79.38mm) | 3.516" (89.31mm) | Wire Leads |
|
1750KAAUDIO XFMR 4.15KCT / 2 CHAS MNT |
0 | - |
|
Datasheet |
1750 | Bulk | Active | - | 4.15kCT | 2 | 45.53Ohm, 49.09Ohm | 140mOhm | - | 70Hz ~ 15kHz | ±1dB | 2000V @ 1 Second | - | - | 50W | - | - | Chassis Mount | 4.050" L x 3.136" W (102.87mm x 79.65mm) | 3.563" (90.50mm) | Wire Leads |
