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Lundahl LL1620_HOUSING for LL1620-size Tube amp Transformers Housing

85,41 €
(71,77 € excl. vat)
including VAT., plus shipping
  • Availability: 3
  • Shipping time: 1 - 2 workdays
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  • LL1620_housing

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Description

The LL1620, LL1623, LL1627 and LL9202 are output transformers for tube amplifiers. All transformers are based on the same core size, winding structure and secondaries, but differ in number of turns (and thus impedance level) of primaries.  The transformers are highly sectioned with harmonically sized sections, which results in a minimum leakage inductance. This, combined with a low capacitance coil winding technique results in a wide frequency range.  The transformers have a special audio C-core of our own production, which is gapped for desired DC current.  The transformers are of open frame type suitable for mounting inside an amplifier housing.

Turns Ratio:      4 x 19.2 :  8 x 1

Technical Details:

  • Static resistance of primary (all in series)                                             308  ohms (4 • 77 ohms)
  • Static resistance of each secondary (average)                                       0.4 ohms
  • Primary leakage inductance (all in series)                                            11mH
  • Max. recommended primary DC current (heat dissip. 7W)               150 mA
  • Max. primary signal voltage r.m.s. at 30 Hz  (all in series)                 Push-Pull 860V

                                                                                                                             Single End 380V

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