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  • Lundahl 1527XL audio transformer, Ekstra skærmet
  • Lundahl 1527XL audio transformer, Ekstra skærmet
  • Lundahl 1527XL audio transformer, Ekstra skærmet
  • Lundahl 1527XL audio transformer, Ekstra skærmet
Lundahl Transformers
Varenummer: LL1527XL

Lundahl 1527XL audio transformer, Ekstra skærmet

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Kort beskrivelse

As LL1527, but with + 3 dB level capability compared to the LL1527. +19 dBU. Turns Ratio:1+1 :1+1
Detaljebeskrivelse
Inkl. moms DKK 582,50

Detaljebeskrivelse

LL1527 is a truly general purpose transformer for microphone or line input, for output and for galvanic isolation of
units. LL1527 has been generally accepted by the audio industry as the general purpose audio transformer.
The LL1527 is built-up from two coils, each with one primary and one secondary winding separated by an electrostatic
shield. The core is a high permeability mu metal core. The transformer is housed in a mu-metal can.
In the LL1527XL, the core is about 45% larger than in the LL1527, resulting in a larger level capability.

Turns ratio: 1 + 1 : 1 + 1

Spacing between pins Spacing between rows of pins Offset of earth pin from adjacent row:
5.08 mm (0.2") 27.94 mm (1.1") 2.54 mm (0.1")
                                                                    LL1527                 LL1527XL
Dimensions (L x W x H above PCB, in mm) 38 x 24 x 17         38 x 24 x 20.5
Weight:                                                         48 g                                65 g
Rec. PCB hole diameter:                                 1.5 mm                         1.5 mm
Static resistance of each primary:                     43W                             54W
Static resistance of each secondary:                 56W                             67W
Distortion (primaries connected in series, source
impedance 800W ):
                    + 6 dBU 0.1% @ 50 Hz
                    + 9 dBU 0.1% @ 50 Hz
                    +16 dBU < 1 % @ 50 Hz
                    +19 dBU < 1 % @ 50 Hz

Self resonance point :                                     > 200 kHz             > 200 kHz
Optimum load for best square-wave response
(sec. in series):
                                                                        3 - 4 kW                 3 - 4 kW
Frequency response (source 800W , load 4 kW
serial connection):
                                                 10 Hz -- 150 kHz +/- 0.2 dB 10 Hz -- 150 kHz +/- 0.2 dB

Loss across transformer (at midband, with
above termination):
                                                                    0.4 dB                             0.5 dB
Isolation between windings/ between windings
and shield:

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