Fiche technique
- Fabricant : OEP
- Modèle : A187A10E
- Catégorie : Options & pièces pour tables de mixage
- Autres dénominations : a 187a 10e, a187 a10 e
Specifications:
Winding ratio: 11.5 to 1+1
DC resistance (ohms +/- 15%):
Primary: 3k2. Secondary (total): 314
Impedance ratio: 140kW to 1kW
Inductance (typical), @ 300Hz, 0.25V (series equivalent circuit):
Primary: 760H, secondaries: 5.6H
Maximum input level @ 20Hz with <1% distortion: +21.5dBu
Primary leakage inductance (@ 1kHz): 155mH (typ.) (pins B1, B2, B3, B4 S/C)
Interwinding capacitance @ 1kHz: Primary to B1+B3: 42pF
Primary to B2+B4: 63pF
Primary to shield: 39pF
THD (@ 20Hz, +4dBu) with 1kW load: 0.1% max.
Voltage gain (@1kHz, 0dBu): -22.0dBu +/- 0.2
Proof voltage: winding to winding: 250Vrms
screens to windings: 250Vrms
Uses:
coupling instrument pickups to low impedance microphone inputs
unbalanced line level to balanced microphone output
Eliminates hum.
Long cable runs without HF loss
N.B. Do not pass DC through windings as this may polarize the core.
Operating temperature range: 0 to +70oC
