Трансформатор LUNDAHL LL1683. 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
Mains Transformers for Tube Amplifiers
LL1683
C-core mains transformer. The core is assembled with a small air-gap to compensate for any mains DC-unbalance. Estimated
power rating 120 VA, which can be increased with good cooling. The 2 x 250V secondaries  are internally divided between
the two coils. As a result, the transformer can be used with bridge or full wave rectifiers without a problem of asymmetric
load. Magnetic stray is extremely small if filament secondaries of the two coils are loaded identically.
Physical dimensions, pin and mounting hole  layout (all dimensions in mm)
35
High voltage connections                                        Filament current connections
12  10        4   2                                                  B4   B3     B2   B1
4 x M4
Mounting holes
75
98
Bottom view
26   24   22   19   17   15                                            B8   B7     B6   B5
78                            65
Weight   1.4 kg
Winding schematics:
2     4
12   10
115V   Coil 1                  Coil 2   115V
Split between coils
6.6V   5.2V    250V   48V   250V     5.2V   6.6V
B7  B4  B3  B8   15  22  26  19       B2  B5  B6  B1
24   17
Usage hints
+            2           +          2     15                     15
Prim              4    Prim              4     24         Bridge      22         Full wave
115V              10   230V              10    22        rectifier    24       (tube) rectifier
12                     12    17                     17
NOTE: When used with common mode
blocking choke input supply, 22+24 is
not grounded here.
No load output voltage, max recommended transformer current (rms) and coil resistance with primary
connected to 230 V series / 115V parallel
Primary res.     Sec 1       Sec 2      Sec 3      Sec 4       Sec 5      Sec 6      Sec 6
Series/parallel   Pins 15 - 22  Pins 24 - 17  Pins 26 - 19  Pins B7 – B4 Pins B6 – B1 Pins B3 – B8 Pins B2 – B5
7.5 W / 1.9 W  250V / 80mA  250V / 80mA  48V / 0.1A  6.6 V / 3A   6.6 V / 3A   5.2 V / 3A   5.2 V/ 3A
100W        100W       40W        0.2 W       0.2 W      0.2W        0.2W
Please note!   Output current from rectifier: 63% of above with cap. input rectifier, 95% of above with choke input rectifier.
R030423