Description
Line Input Transformer VTXLIN5
2+2 : 1+1 k4 / 10kΩ 13dBu
High performance Line Input Transformer VTXLIN5 – Used in audio systems to interface line-level signals with the input stages of amplifiers, mixers, or other equipment.
Its primary purpose is to;
- optimise signal transfer
- provide electrical isolation
- minimise noise and interference in audio systems
Transformer Data Sheet – Click to open and DOWNLOAD
- Line input transformer
Input impedance: 2k4/10k
Input 12.5dBu max. (@ 20Hz) <1%THD (primaries in series)
Frequency response +/-0.25dB (16Hz – 35kHz)
Hi-pot, primaries to secondaries: 500VDC
Windings to screens+can: 500VDC - Fitted with multiple electrostatic screens
Low distortion Mu-metal core
Mu-metal screening can reduces electrical noise by up to 30dB
Operating temperature range: 0 to +70 C
Storage temperature range: -25 C to +120 C
Mass = 0.055kg
LINE Input Transformer VTXLIN5 Electrical characteristics
Specification (test circuit 1):
Turns ratio: 2 to 1 (series wired)
DC resistance (Ω+/-15%)
Primary total (5 – 8): 379
Secondary (series) (1 – 4): 122
Input impedance (Ω): 10.3kΩ (typ.) @ 1kHz
Output impedance (Ω): 228Ω (typ.) @ 1kHz
Voltage gain @ 1kHz, -6.8dBu (typ.)
Maximum input @ 20Hz, <1% THD: 13dBu
Insertion loss: 0.8dB (typ.)
- Leakage inductance @ 1kHz (5 – 8) (1/2/3/4 S/C): 13mH (typ.)
Capacitance @ 10kHz, 0.1V:
- Cp-s: 75pF (typ.) or 5pF (typ.) with screen earthed
- Cp-scr: 150pF (typ.)
- Cs-scr: 170pF (typ.
Specification (test circuit 2)
Turns ratio: 2 to 1 (secondary parallel wired)
DC resistance (Ω+/-15%)
Primary total (5 – 8): 379
Secondary (parallel) ((3+4) – (1+2)): 29.8
Input impedance (Ω): 10.3kΩ (typ.) @ 1kHz
Output impedance (Ω): 63Ω (typ.) @ 1kHz
Voltage gain @ 1kHz, -12.8dBu (typ.)
Maximum input @ 20Hz, <1% THD: 13dBu
Insertion loss: 0.8dB (typ.)
- Leakage inductance @ 1kHz: (5 – 8) (1/2/3/4 S/C) 13mH (typ.)
Capacitance @ 10kHz, 0.1V:
- Cp-s: 75pF (typ.) or 5pF (typ.) with screen earthed
- Cp-scr: 150pF (typ.)
- Cs-scr: 170pF (typ.)












