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Audio Transformers
| 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 |
2,481 | 56.77 |
|
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 |
2,712 | 46.95 |
|
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 |
4,262 | 45.01 |
|
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 |
4,485 | 47.92 |
|
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 |
1,291 | 51.15 |
|
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 |
4,762 | 51.84 |
|
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 |
3,999 | 52.06 |
|
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 |
2,023 | 66.21 |
|
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 |
2,830 | 66.21 |
|
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 |
3,122 | 54.77 |
|
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 |
2,615 | 55.75 |
|
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 |
2,707 | 110.99 |
|
Datasheet |
- | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
124BAUDIO XFMR 10K / 90KCT CHAS MNT |
4,693 | 58.72 |
|
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 |
2,346 | 60.68 |
|
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 |
4,649 | 61.66 |
|
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 |
3,081 | 66.54 |
|
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 |
3,208 | 72.39 |
|
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 |
1,093 | 94.46 |
|
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 |
2,843 | 96.34 |
|
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 |
1,914 | 96.34 |
|
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 |
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