Трансформатор LUNDAHL LL1664. Инструкция на английском языке

Tibeliusgatan 7                        International   Domestic
LUNDAHL                        S-761 50 NORRTALJE         Phone    +46 - 176 13930   0176-13930
TRANSFORMERS                 SWEDEN                     Fax      +46 - 176 13935   0176-13935
Tube amplifier output transformer LL1664
3k : 8 ohms
The LL1664 is a four-sectioned dual coil C-core tube amplifier output transformer for 3 k: 8 ohms impedance
ratio available in PP and SE versions.
The coil is wound using our high internal isolation technique with isolation foil between each copper layer. The
core is an audio C-core of our own production.
Turns ratio                                       9.6 + 9.6 : 1  or  (3.2+6.4)+(3.2+6.4) : 1
Winding schematics, physical dimensions, pin and mounting hole layout (all dimensions in mm)
35
1
11   9   7   5   3   1      3.2
3
4 x M4                                                     6.4
Mounting holes
75                            95                                 5                   13
1
Bottom view                                              11                   17
17     13          6.4
9
3.2
7
50                                   75
Weight:                                                         1.35 kg
Static resistance of each primary:                              74 W
Static resistance of secondary:                                 0.5 W
Isolation between windings / between windings and core:         4 kV / 2 kV
Max DC current through any primary winding:                     200mA
Primary leakage inductance, primaries in series:                8mH
LL1664/PP            LL1664/50mA           LL1664/100mA
Primary inductance                                      35H                    17H
Max primary signal         410V R.M.S. @ 30 Hz   180V R.M.S. @ 30 Hz   180V R.M.S. @ 30 Hz
Max output power  @ 30 Hz     55W (8W spkr)        10W  (8W spkr)         10W  (8W spkr)
Suggested use:
V+                                            V+
1                13                            1               13
UL1 33%          3                               Plate          3
Plate 1          5                                              5
7                17                            7               17
UL2 33%          9                                              9
Plate 2          11                                             11
LL1664 used in Push Pull                       LL1664 used in Single End
Plate-to-plate impedance                       Primary impedance 3k at 8
3k at 8 ohms load                                 ohms load
R030404