Lundahl LL1930 tube preamp line output transformer
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Audio transformer for tube preamp line output LL1930
LL1930 is designed to be a line output transformer for tube preamp parafeed output applications. The core is a high permeability mu metal core. The transformer has no internal Faraday shield or magnetic shield housing.
Turns ratio: 5.8 + 5.8 : 1 + 1 Pin
Dimensions (L x W x H above PCB, in mm) 47 x 28 x 23
Spacing between pins 5.08 mm (0.2")
Spacing between rows of pins 35.56 mm (1.4")
Rec. PCB hole diameter: 1.5 mm
Weight:105 g
Static resistance of each primary (pins 1-2, 4-5): 610 ohm
Static resistance of each secondary (pins 6-7, 9-10): 16 oh
Distortion at 30 dBU primary signal. Source impedance 4.5k. Primaries connected in series:
< 0.1% at 50Hz
< 1% at 25Hz
Frequency response. Connection and signal level as above. Secondary load 10k: 20 Hz – 30kHz < +/- 0.1 dB
| Tuotekoodi | LL1930 |
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| Stock 1 | UralTone Helsinki, 00530 FI |
5 units available |
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