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  • Lundahl 1528 Mikrofon indgangstraformer
  • Lundahl 1528 Mikrofon indgangstraformer
  • Lundahl 1528 Mikrofon indgangstraformer
  • Lundahl 1528 Mikrofon indgangstraformer
Lundahl Transformers
Varenummer: LL1528

Lundahl 1528 Mikrofon indgangstraformer

Levering: 1-3 dage

Kort beskrivelse

200 : 5 k ohms +10 dBU Turns Ratio: 1+1 : 2.5+2.5
Detaljebeskrivelse
Inkl. moms DKK 460,00

Detaljebeskrivelse

Teknisk specifikationer
LL1528 is a microphone input transformers built up from two coils, each with one primary and one secondary
section separated by a electrostatic shield. The core is a high permeability mu-metal core, and the transformer is
housed in a mu-metal can.
Turns ratio: 1 + 1 : 2.5 + 2.5
Dimensions (Length x Width x Height above PCB (mm)): 38 x 24 x 17
Spacing between rows of pins: 27.94 mm (1.1")
Offset of earth pin from adjacent row: 2.54 mm (0.1")
Weight: 46 g
Rec. PCB hole diameter: 1.5 mm
Static resistance of each primary: 42 W
Static resistance of each secondary: 450 W
Distortion (primaries connected in parallel,
source impedance 200 W ):
+ 0 dBU primary level, 50 Hz: 0.2 %
+ 10 dBU primary level, 50 Hz: 1 %
Self resonance point : > 80 kHz
Optimum termination for best square-wave response
(Connection 1:5, source imp. 200W ) :
9 kW in series with 3 nF
Frequency response (source and load as above): 10 Hz - 40 kHz +/- 0.3 dB
Isolation between windings/ between windings and shield: 4 kV / 2 kV

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