Description
Line Input Transformer VTXLIN3
8 : 1 39kΩ : 600Ω 19dBu
High performance Line Input Transformer VTXLIN3 – 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
- High input impedance: 39k
Input 15dBu max. (@ 20Hz) <1%THD
Frequency response +/-0.25dB (16Hz – 60kHz)
Hi-pot, primary 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 VTXLIN2 Electrical characteristics
Specification (test circuit 1):
Turns ratio: 4 to 1 (series wired)
DC resistance (Ω+/-15%)
Primary (8 – 5): 786
Secondary (series) (1 – 4): 49.8
Input impedance (Ω): 39.5kW (typ.) @ 1kHz
Output impedance (Ω): 86W (typ.) @ 1kHz
Voltage gain @ 1kHz, -12.5dBu (typ.)
Maximum input @ 20Hz, <1% THD: 15dBu
Insertion loss: 0.3dB (typ.)
- Leakage inductance @ 1kHz (8 – 5) (1/2/3/4 S/C): 28mH (typ.)
- Leakage inductance @ 1kHz (1 – 4) (5/8 S/C): 1.7mH
Capacitance @ 10kHz, 0.1V:
- Cp-s: 60pF (typ.) or 5pF (typ.) with screen earthed
- Cp-scr: 120pF (typ.)
- Cs-scr: 115pF (typ.)
Specification (test circuit 2)
Turns ratio: 8 to 1 (parallel wired)
DC resistance (ΩW+/-15%)
Primary (8 – 5): 786
Secondary (parallel) ((1+2) – (3+4)): 12.2
Input impedance (Ω): 39.5kW (typ.) @ 1kHz
Output impedance (Ω): 21W (typ.) @ 1kHz
Voltage gain @ 1kHz, -18.5dBu (typ.)
Maximum input @ 20Hz, <1% THD: 15dBu
Insertion loss: 0.3dB (typ.)
- Leakage inductance @ 1kHz: (8 – 5) (1/2/3/4 S/C) 28mH (typ.)
- Leakage inductance @ 1kHz (1 – 4) (5/8 S/C):425uH
Capacitance @ 10kHz, 0.1V:
- Cp-s: 60pF (typ.) or 5pF (typ.) with screen earthed
- Cp-scr: 120pF (typ.)
- Cs-scr: 115pF (typ.)
