Description
Line Input Transformer VTX-LIN12
4 CT : 1 10kΩ : 600Ω 22dB
Line Input Transformer VTXLIN12 – 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 VTXLIN12
- High performance line input transformer
Input +20dBu max (20Hz) <1%THD - Fitted with multiple electrostatic screens
Low distortion Mu-metal core
Mu-metal screening can reduces electrical noise by up to 30dB - Hi-pot, primary to secondaries: 500VDC
Windings to screens+can: 500VDC - Operating temperature range: 0 to +70 C
Storage temperature range: -25 C to +120 C - Mass = 0.11kg
Tolerance on can dimensions: +/- 0.5mm
LINE INPUT Transformer VTX-LIN12 Electrical characteristics
Specification (test circuit 1):
Turns ratio: 4 to 1
DC resistance (Ω+/-15%)
Primary (5 – 1): 598
Secondary (6 – 10): 25 (windings in series)
Input impedance (Ω): 10.4k (typ.) @ 1kHz
Output impedance (Ω): 65Ω (typ.) @ 1kHz
Voltage gain @ 1kHz, 0dBu: -12.95dBu (typ.)
Maximum input @ 20Hz,<1% THD: +20dBu
Insertion loss: 0.8dB (typ.)
Leakage inductance
- (1 – 5) @ 1kHz: 9.5mH (typ.)
- (9 – 7) @ 1kHz: 600uH (typ.)
Capacitance @ 10kHz, 0.1V:
- Cp-s: 90pF (typ.) or 5pF (typ.) with screen earthed
- Cp-scr: 200pF (typ.)
- Cs-scr: 150pF (typ.)
Specification (test circuit 2)
Turns ratio: 8 to 1
DC resistance (Ω+/-15%)
Primary (5 – 1): 598
Secondary: 6.5 (windings in parallel)
Input impedance (Ω): 10.4k (typ.) @ 1kHz
Output impedance (Ω): 65Ω (typ.) @ 1kHz
Voltage gain @ 1kHz, 0dBu: -18.99dBu (typ.)
Maximum input @ 20Hz, <1% THD: +20dBu
Insertion loss: 0.9dB (typ.)
Leakage inductance
- (1 – 5) @ 1kHz: 9.5mH (typ.)
- (9+10) – (6+7): 150uH (typ.)
Capacitance @ 10kHz, 0.1V:
- Cp-s: 90pF (typ.) or 5pF (typ.) with screen earthed
- Cp-scr: 200pF (typ.)
- Cs-scr: 150pF (typ.)












