Imported C-shaped amorphous iron core-wound wide-frequency response auto-coupling signal transformer, 600 ohms: 15K five times step-up audio transformer, volume boosting transformer, can be assembled with 24 step switch to form a 24-level volume controller, instead of Carbon film volume level device and pre-amplifier.
This full-frequency transformer is an autotransformer. The primary
and secondary coils share the same ground wire. The signals of the
primary coil and the secondary coil are connected, and the frequency
response width is hardly affected by the transformer. The signal
(volume) from small to large has 24 adjustment controls throughout the
stroke.
How to use: The input signal and ground are
connected to the first gear 0 and 600¥Ø. The output can select any one of
the gears for conversion via the switch. The pressure can be reduced by
step-down or increased by step-up. The control is exponential (the same
as the A-type or Z-type of the volume potentiometer), which is in line
with human hearing.
The impedance arrangement is
marked, the first pin 0 to the 24th pin: 0-
0.2¥Ø-0.9¥Ø-1.5¥Ø-3¥Ø-4¥Ø-6¥Ø-10¥Ø-15¥Ø-24¥Ø-40¥Ø-61¥Ø-96¥Ø-150¥Ø-238¥Ø-293¥Ø
-600¥Ø-950¥Ø-1K5-2K4-8K7-5K-10K-15K, the standard is AC impedance, not the
coil resistance, so it should not be confused.
The signal current of the transformer is 85mA, the total DC resistance is about 420¥Ø, and the inductance is 103H.
This transformer can be used for passive pre-stage booster amplification to
drive post-stage power amplifiers. 600 ohms: 15K, 5 times boost
amplification, for machines with insufficient thrust, it can achieve
full power output and obtain satisfactory results.
The inductance of the 600 ohm terminal is about 2.6H (100HZ measurement), and the copper resistance is about 52 ohm.
You can use the switch for input selection, you can choose from 0-600¥Ø, or
you can choose other options. You can also use another switch to adjust
the output volume from 0-15K.
This transformer single
winding has 22 taps and 24 leads, weighing about 0.8KG/piece. The
three-dimensional size is 65mm×80mm×75mm.
Imported second-hand nickel-based amorphous C-shaped iron core, domestic QA enameled wire winding.
Buy two stereo speakers and sell them in pairs, with a three-year warranty.
Other impedances or finished machines can also be customized as required.
Declaration: Imported iron core disassembly machine. Due to different production and material batches, the improvement of the winding process, the data given will be different, for reference only.
The finished machine has an all-aluminum case, and an iron plate is added at the bottom to strengthen the shielding. Taiwan assets 24 position X2 switch, British spotted pure copper signal line, American CMC RCA thick gold-plated socket, aluminum alloy feet and knobs.
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Statement: Imported amorphous iron core disassembly machine. Due to different production and material batches, the improvement of the winding process, the data given will be different, for reference only.
The finished machine has an all-aluminum case, and an iron plate is added at the bottom to strengthen the shielding. Taiwan Assets 24-speed X2 switch, British spotted pure copper signal line, American CMC RCA thick gold-plated socket, aluminum alloy feet and knobs.
All aluminum around the heat dissipation, can be used as a power supply Amplifier silver 1610 multi-purpose chassis The finished machine is about 3.6kg
Dimensions: width 168mm height 100mm depth 229mm
Internal dimensions: width 160mm height 92mm depth 220mm