Input and DC-free line output applications
Line input and line output transformers for galvanic isolation, balanced-to-unbalanced conversion and for impedance conversion. Should be used with DC-free signal sources, or with a DC blocking capacitor between source and transformer.
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Input and DC-free line output applications
Model | Turns Ratio | Size LxWxHmm | Applications | Comments | Price USD |
1+1:4+4 | 43x28x21 | Line in/output | Amorphous core line in/output transformer | 134.00 | |
1+1:2+2 | 43x28x21 | Line in/output | Amorphous core line in/output transformer | 134.00 | |
1+1:1+1 | 42x28x22 | High level general purpose | For high level, low impedance applications such as (DC decoupled) line output. The transformer is not suitable for line input from high impedance signal sources. | 128.00 | |
1+1:1+1 | 42x28x22 | High level line input | For high level, high impedance applications such as (DC free) line input | 134.00 | |
5.8+5.8:1+1 | 47x28x23 | Line output | Mu metal lamination core | 69.00 | |
1+1:1+1 | 43x29x23 | Line input | With Cardas high purity copper wire and Lundahl amorphous core | 234.00 | |
1+1:1+1 | 43x29x23 | Line Input | Amorphous core with silver wire, specs same as the LL1948 | 914.00 | |
2+2:1+1 | 47x28x24 | Line in/output | With Cardas high purity copper wire. Most often used with solid state amplifiers | 184.00 | |
1+1+1+1:1+1+1+1 | 66x31x21 | Line Input / General Purpose Transformers | The LL7901 has an extreme level capability ( + 34 dBU @ 50 Hz) while the LL7902 combines high level capability (+28 dBU @ 50 Hz) with low copper resistance | 142.00 | |
1+1+1+1:2+2+2+2 | 66x23x21 | Mic or line input | 200:213kΩ (used 1:8) This is the ultimate microphone input transformer, designed for high quality tube equipment. | 143.00 | |
LL7903Ag | 1+1+1+1:2+2+2+2 | 66x23x21 | Mic or line input | 200:213kΩ (used 1:8) This is the ultimate microphone input transformer, designed for high quality tube equipment, silver wire. | 767.00 |
1+1+1+1:5.6+5.6 | 66x32x21 | +16dBU | Improved version of the LL7905. Also available in silver wire, please contact us for pricing. | 143.00 |
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Breakout pcb's for Lundahl audio transformers