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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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1609AXFMR 10KCT / 4, 8, 16 CHAS MNT |
0 | - |
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Datasheet |
A | Box | Active | - | 10kCT | 4, 8, 16 | 102.2Ohm, 114.3Ohm | 321mOhm, 365mOhm, 476mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 30Hz ~ 30kHz | ±1dB | 2000V @ 1 Second | - | - | 10W | - | - | Chassis Mount | 2.750" L x 2.500" W (69.85mm x 63.50mm) | 3.060" (77.72mm) | Wire Leads |
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1750YAUDIO XFMR 6.2KCT / 8 CHAS MNT |
1 | - |
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Datasheet |
1750 | Box | Active | 27.87:1 | 6.2kCT | 8 | 289Ohm | 480mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 15W | - | - | Chassis Mount | 2.500" L x 3.328" W (63.50mm x 84.53mm) | 3.123" (79.32mm) | Wire Leads |
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1750QXFMR 7.371KCT / 4, 8, 16 CHAS MT |
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Datasheet |
1750 | Box | Active | 21.46:1 | 7.371kCT | 4, 8, 16 | 81.61Ohm, 78.63Ohm | 120mOhm, 190mOhm, 270mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 50Hz ~ 12kHz | ±1dB | - | - | - | 50W | - | - | Chassis Mount | 3.125" L x 3.280" W (79.38mm x 83.31mm) | 3.813" (96.85mm) | Wire Leads |
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1760KXFMR 4KCT / 2, 4, 8 CHAS MNT |
1 | - |
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Datasheet |
1760 | Box | Active | 44.67:1 | 4kCT | 2, 4, 8 | 89.43Ohm | 91mOhm, 183mOhm, 219mOhm | 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 |
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1750DXFMR 2.35KCT/25M / 4, 8, 16 CHAS |
0 | - |
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Datasheet |
1750 | Bulk | Active | - | 2.35kCT/25m | 4, 8, 16 | 33.09Ohm, 34.82Ohm, 370mOhm | 300mOhm, 690mOhm, 860mOhm | - | 70Hz ~ 15kHz | ±1dB | 2000V @ 1 Second | - | - | 100W | - | - | Chassis Mount | 4.050" L x 3.715" W (102.87mm x 94.36mm) | 3.563" (90.50mm) | Wire Leads |
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126CAUDIO XFMR 10K / 10K CHAS MNT |
1 | - |
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Datasheet |
126 | Box | Active | - | 10k | 10k | 375Ohm | 375Ohm | Single Ended Audiophile, Ultra-Linear - Tube Output | 20Hz ~ 20kHz | ±1dB | 400VDC | - | - | 4W | - | - | Chassis Mount | 3.120" L x 2.500" W (79.25mm x 63.50mm) | 3.120" (79.25mm) | Wire Leads |
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1140-MN-BAUDIO XFMR 150 / 3.8K CHAS MNT |
1 | - |
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Datasheet |
1140 | Bulk | Active | 1:5 | 150 | 3.8k | - | - | Impedance Matching | 20Hz ~ 20kHz | ±0.35dB | - | - | - | - | - | - | Chassis Mount | - | - | Screw Terminal |
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290UXAUDIO XFMR CHAS MNT |
1 | - |
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Datasheet |
290 | 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 |
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1750PXFMR 3.4KCT / 2, 4, 8, 16 CHAS |
1 | - |
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Datasheet |
1750 | Box | Active | 14.24:1 | 3.4kCT | 2, 4, 8, 16 | 41.3Ohm, 40.5Ohm, 81.8Ohm | 120mOhm, 150mOhm, 210mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 50Hz ~ 12kHz | ±1dB | - | - | - | 50W | - | - | Chassis Mount | 3.750" L x 3.090" W (95.25mm x 78.49mm) | 3.188" (80.98mm) | Solder Lug |
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290QXAUDIO XFMR CHAS MNT |
1 | - |
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Datasheet |
290 | Bulk | Active | - | - | - | 8.054Ohm, 9.752Ohm | 166mOhm, 4.776Ohm, 52.25Ohm | - | - | - | 120/240VAC | - | - | - | - | - | Chassis Mount | 3.375" L x 2.385" W (85.73mm x 60.58mm) | 2.876" (73.05mm) | Solder Lug |
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1750UXFMR 1.7KCT / 4, 8, 16 CHAS MNT |
1 | - |
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Datasheet |
1750 | Box | Active | 10.40:1 | 1.7kCT | 4, 8, 16 | 15.36Ohm, 16.56Ohm | 100mOhm, 120mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 50Hz ~ 12kHz | ±1dB | - | - | - | 100W | - | - | Chassis Mount | 3.750" L x 4.020" W (95.25mm x 102.11mm) | 4.600" (116.84mm) | Wire Leads |
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1650EXFMR 8KCT / 4, 8, 16 CHAS MNT |
1 | - |
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Datasheet |
A | Box | Active | - | 8kCT | 4, 8, 16 | 98.98Ohm, 101.9Ohm | 154mOhm, 218mOhm, 303mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 30Hz ~ 30kHz | ±1dB | 2000V @ 1 Second | - | - | 15W | - | - | Chassis Mount | 3.250" L x 2.500" W (82.55mm x 63.50mm) | 3.060" (77.72mm) | Wire Leads |
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1750VAUDIO XFMR 4KCT / 8, 16 CHAS MNT |
1 | - |
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Datasheet |
1750 | Box | Active | 15.93:1 | 4kCT | 8, 16 | 138Ohm | 720mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 70Hz ~ 15kHz | ±1dB | - | - | - | 30W | - | - | Chassis Mount | 3.125" L x 3.325" W (79.38mm x 84.46mm) | 3.843" (97.61mm) | Wire Leads |
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290VXAUDIO XFMR CHAS MNT |
1 | - |
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Datasheet |
290 | Bulk | Active | - | - | - | 1.52Ohm | 80mOhm, 4.75Ohm, 10.34Ohm | - | - | - | 120/240VAC | - | - | - | - | - | Chassis Mount | 4.125" L x 3.985" W (104.77mm x 101.22mm) | 3.858" (97.99mm) | Wire Leads |
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850GAXFMR 600 150/150 / 600 150/150 |
1 | - |
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Datasheet |
850A | Bulk | Active | - | 600, 150/150 | 600, 150/150 | 71Ohm | 71Ohm | - | 20Hz ~ 20kHz | ±0.5dB | - | 1dB | - | 15dB | - | - | Chassis Mount | 1.700" L x 1.200" W (43.18mm x 30.48mm) | 1.650" (41.90mm) | Wire Leads |
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850NAXFMR 600 150/150 / 40K 10K/10K |
1 | - |
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Datasheet |
850A | Bulk | Active | - | 600, 150/150 | 40k, 10k/10k | 65Ohm | 4.98kOhm | - | 20Hz ~ 20kHz | ±0.5dB | - | 1dB | - | 15dB | - | - | Chassis Mount | 1.700" L x 1.200" W (43.18mm x 30.48mm) | 1.650" (41.90mm) | Wire Leads |
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850EAXFMR 200 50/50 / 600 150/150 |
1 | - |
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Datasheet |
850A | Bulk | Active | - | 200, 50/50 | 600, 150/150 | 27Ohm | 68Ohm | - | 20Hz ~ 20kHz | ±0.5dB | - | 1dB | - | 15dB | - | - | Chassis Mount | 1.700" L x 1.200" W (43.18mm x 30.48mm) | 1.650" (41.90mm) | Wire Leads |
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850QAXFMR 40K 10K/10K / 40K 10K/10K |
1 | - |
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Datasheet |
850A | Bulk | Active | - | 40k, 10k/10k | 40k, 10k/10k | 4.89kOhm | 4.98kOhm | - | 20Hz ~ 20kHz | ±0.5dB | - | 1dB | - | 15dB | - | - | Chassis Mount | 1.700" L x 1.200" W (43.18mm x 30.48mm) | 1.650" (41.90mm) | Wire Leads |
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850CAXFMR 48 12/12 / 600 150/150 |
1 | - |
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Datasheet |
850A | Bulk | Active | - | 48, 12/12 | 600, 150/150 | 6Ohm | 70Ohm | - | 20Hz ~ 20kHz | ±0.5dB | - | 1dB | - | 15dB | - | - | Chassis Mount | 1.700" L x 1.200" W (43.18mm x 30.48mm) | 1.650" (41.90mm) | Wire Leads |
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290TXAUDIO XFMR CHAS MNT |
1 | - |
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Datasheet |
290 | Bulk | Active | - | - | - | 1.18Ohm | 70mOhm, 80mOhm, 6.14Ohm, 46.16Ohm | - | - | - | 120/240VAC | - | - | - | - | - | Chassis Mount | 3.438" L x 4.300" W (87.33mm x 109.22mm) | 4.188" (106.38mm) | Wire Leads |
