Audio Transformers
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Mfr Part #
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Quantity Available
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Price
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Product Status
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Turns Ratio - Primary:Secondary
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Impedance - Primary (Ohms)
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Impedance - Secondary (Ohms)
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DC Resistance (DCR) - Primary
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DC Resistance (DCR) - Secondary
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Transformer Type
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Frequency Range
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Frequency Response
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Voltage - Isolation
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Insertion Loss
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Return Loss
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Power Level
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Operating Temperature
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Approval Agency
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Mounting Type
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Size / Dimension
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Height - Seated (Max)
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Termination Style
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8715 In Stock |
18.23000 |
Active |
2.88:1 |
10kCT |
1.2kCT |
1.05kOhm |
200Ohm |
Audio Coupling |
300Hz ~ 100kHz |
±2dB |
1000VRMS @ 1 Second |
- |
- |
50mW |
-40°C ~ 85°C |
- |
Through Hole |
0.410" L x 0.310" W (10.41mm x 7.87mm) |
0.465" (11.80mm) |
PC Pin |
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 |
3 In Stock |
24.02000 |
Active |
- |
50k |
1.5kCT |
2.4kOhm |
52Ohm |
Economical Open Type |
150Hz ~ 15kHz |
±1dB |
- |
- |
- |
50mW |
- |
- |
Chassis Mount |
1.630" L x 0.880" W (41.40mm x 22.35mm) |
0.810" (20.57mm) |
Wire Leads |
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2 In Stock |
24.45000 |
Active |
- |
50k |
1k, 250/250 |
1.76kOhm |
25.4Ohm |
Economical Open Type |
200Hz ~ 15kHz |
±1dB |
- |
0.5dB |
- |
12mW |
- |
- |
Through Hole |
0.820" L x 0.680" W (20.83mm x 17.27mm) |
0.690" (17.53mm) |
PC Pin |
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 |
8 In Stock |
30.70000 |
Active |
- |
600CT |
600 |
65Ohm |
83Ohm |
Miniature Epoxy Potted |
150Hz |
-1dB |
200V |
1dB |
- |
500mW |
- |
- |
Through Hole |
1.080" L x 0.880" W (27.43mm x 22.35mm) |
0.950" (24.13mm) |
PC Pin |
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 |
2 In Stock |
28.83000 |
Active |
1:3 |
10k |
90kCT |
405Ohm |
1.525kOhm |
Tube Driver and Speaker Matching |
150Hz ~ 15kHz |
±1dB |
500Vrms |
- |
- |
5W |
- |
- |
Chassis Mount |
- |
- |
Wire Leads |
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97 In Stock |
21.22000 |
Active |
- |
300CT |
50CT |
20.4Ohm |
4.8Ohm |
Miniature Epoxy Potted |
200Hz ~ 100kHz |
±0.5dB |
- |
- |
- |
100mW |
- |
- |
Through Hole |
0.450" L x 0.450" W (11.43mm x 11.43mm) |
0.480" (12.19mm) |
PC Pin |
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3093 In Stock |
12.15200 |
Active |
2.1:1 |
10k |
10k, 2.5k/2.5k |
1kOhm |
565/650Ohm |
Audio Coupling |
300Hz ~ 100kHz |
±2dB |
1000VRMS @ 1 Second |
- |
- |
50mW |
-40°C ~ 85°C |
- |
Through Hole |
0.410" L x 0.310" W (10.41mm x 7.87mm) |
0.465" (11.80mm) |
PC Pin |
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8738 In Stock |
5.71000 |
Active |
1:1 |
600 |
348 |
149Ohm |
139Ohm |
- |
200Hz ~ 4kHz |
±0.25dB |
1875VRMS @ 1 Second |
3.25dB Max @ 1kHz |
14dB Min @ 200Hz ~ 4kHz |
- |
- |
UL60950 |
Through Hole |
0.591" L x 0.571" W (15.00mm x 14.50mm) |
0.472" (12.00mm) |
PC Pin |
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 |
732 In Stock |
6.36000 |
Active |
1:1 |
15kCT |
15kCT |
1.18kOhm |
1.6kOhm |
Data/Voice Coupling |
200Hz ~ 15kHz |
±2dB |
1500V |
1.5dB |
26dB |
100mW |
-20°C ~ 85°C |
- |
Through Hole |
0.812" L x 0.700" W (20.62mm x 17.78mm) |
0.740" (18.80mm) |
PC Pin |
|
 |
1 In Stock |
27.39000 |
Active |
2.58:1 |
10kCT |
1.5kCT |
438Ohm |
110Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
500Vrms |
- |
- |
150mW |
- |
- |
Through Hole |
1.030" L x 0.770" W (26.16mm x 19.56mm) |
0.770" (19.56mm) |
PC Pin |
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109 In Stock |
30.70000 |
Active |
10:1 |
100kCT |
1kCT |
3.66kOhm |
75Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
500Vrms |
- |
- |
150mW |
- |
- |
Through Hole |
0.630" L x 0.586" W (16.00mm x 14.88mm) |
0.630" (16.00mm) |
PC Pin |
|
 |
1 In Stock |
124.23000 |
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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6 In Stock |
180.79000 |
Active |
- |
5k |
4, 8, 16 |
- |
- |
Single Ended Audiophile, Ultra-Linear - Tube Output |
20Hz ~ 20kHz |
±1dB |
2000Vrms |
±1dB |
- |
30W |
- |
- |
Chassis Mount |
4.500" L x 3.750" W (114.30mm x 95.25mm) |
4.560" (115.82mm) |
Wire Leads |
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2 In Stock |
104.26000 |
Active |
31.16:1 |
4.2kCT |
4, 8, 16 |
46.48Ohm, 51.04Ohm |
252mOhm, 480mOhm, 714mOhm |
Push-Pull Audiophile, Ultra-Linear - Tube Output |
70Hz ~ 15kHz |
±1dB |
- |
- |
- |
60W |
- |
- |
Chassis Mount |
4.050" L x 3.150" W (102.87mm x 80.01mm) |
3.193" (81.10mm) |
Wire Leads |
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6769 In Stock |
12.61400 |
Active |
1.58:1 |
1.5kCT |
600 |
168Ohm |
92Ohm |
Audio Coupling |
300Hz ~ 100kHz |
±2dB |
1000VRMS @ 1 Second |
- |
- |
50mW |
-40°C ~ 85°C |
- |
Through Hole |
0.410" L x 0.310" W (10.41mm x 7.87mm) |
0.465" (11.80mm) |
PC Pin |
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199 In Stock |
7.37000 |
Active |
1:1 |
600 |
600 |
47Ohm |
61Ohm |
Data/Voice Coupling |
300Hz ~ 3.5kHz |
±0.5dB |
1500VRMS @ 1 Minute |
1.5dB Max @ 1kHz |
- |
- |
0°C ~ 70°C |
CSA-C22.2 No. 66-M1988, UL1459 |
Through Hole |
0.528" L x 0.512" W (13.40mm x 13.00mm) |
0.421" (10.70mm) |
PC Pin |
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2 In Stock |
27.39000 |
Active |
1:1 |
600CT |
600CT |
50Ohm |
50Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
100VRMS |
- |
- |
150mW |
- |
- |
Through Hole |
1.030" L x 0.770" W (26.16mm x 19.56mm) |
0.770" (19.56mm) |
PC Pin |
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3 In Stock |
55.75000 |
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 |
|
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7581 In Stock |
3.78450 |
Active |
1:1.05 |
600CT |
600CT |
42Ohm |
60Ohm |
Data/Voice Coupling |
300Hz ~ 3.5kHz |
±0.5dB |
1500VAC |
1dB Typ |
26dB Typ |
-45dB ~ 7dB |
-20°C ~ 85°C |
- |
Through Hole |
0.790" L x 0.812" W (20.07mm x 20.62mm) |
0.740" (18.80mm) |
PC Pin |
|
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11 In Stock |
30.70000 |
Active |
- |
8 |
25V |
- |
- |
Sound Distribution |
100Hz ~ 9kHz |
1dB |
- |
2dB |
- |
8W |
- |
- |
Chassis Mount |
3.250" L x 1.750" W (82.55mm x 44.45mm) |
2.000" (50.80mm) |
Solder Lug |
|
 |
5 In Stock |
23.80000 |
Active |
1.58:1 |
10kCT |
4kCT |
720Ohm |
350Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
100VRMS |
- |
- |
150mW |
- |
- |
Through Hole |
0.630" L x 0.586" W (16.00mm x 14.88mm) |
0.630" (16.00mm) |
PC Pin |
|
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3242 In Stock |
125.23000 |
Active |
- |
2.5k ~ 10k |
4 ~ 32 |
50Ohm |
250mOhm |
General Purpose |
100Hz ~ 15kHz |
±1dB |
2000V @ 1 Second |
- |
- |
25W |
- |
- |
Chassis Mount |
4.150" L x 2.880" W (105.41mm x 73.15mm) |
3.460" (87.88mm) |
Solder Lug |
|
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1 In Stock |
200.90000 |
Active |
- |
1.9kCT |
4, 8, 16 |
22.07Ohm, 24.85Ohm |
251mOhm, 334mOhm, 359mOhm |
Push-Pull Audiophile, Ultra-Linear - Tube Output |
30Hz ~ 30kHz |
±1dB |
2000V @ 1 Second |
- |
- |
120W |
- |
- |
Chassis Mount |
4.500" L x 3.750" W (114.30mm x 95.25mm) |
4.560" (115.82mm) |
Wire Leads |
|
 |
1 In Stock |
96.34000 |
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 |
