Multi-tapped Output Matching 3.5W AF Transformers
From OEP, this multi-tapped transformer is suitable for matching 3Ω to 15Ω speech coils to the high impedance output (4kΩ to 15kΩ) of audio amplifiers. This chassis mounted transformer is suitable for various of amplifier configurations.
Primary Impedance (kΩ)
Connection
Secondary Impedance (Ω)
Connection
13-15
1-4
3//4
D-C
10-12
1-4
3//4
C-A
8-9
1-3
3//4
D-C
6-7
1-4
3//4
D-B
13-15
1-4
8
D-B
8-9
1-3
8
D-B
6-7
1-4
8
D-A
13-15
1-4
15
D-A
4-5
1-3
8
D-A
6-7
1-3
15
D-A
4-5
2-4
15
D-A
Primary Impedance
4kΩ to 15kΩ by four taps incl. C.T., rated 40mA (dc)
Secondary Impedance
3Ω to 15Ω speech coils by four taps, rated 3·5W
Note
Impedance ranges quoted (in attributes) are for choice between several specific values, within the ranges, depending on the tapping used.
