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AUDIO TRANSFORMER DESIGN FOR TUBE AMPLIFIER WITH IMPR…
http://www.standardsuniversity.org/wp-content/uploads/audio_transformer_design_tube_amplifier_pichkalyov_final_paper.pdf#:~:text=The%20ratio%20of%20impedances%20produces%20the%20transformation%20ratio.,lamp.%20The%20audio%20speaker%20impedance%20is%204%20Ohm.
Step Up Transformer Calculations - mh-audio.nl
http://mh-audio.nl/Calculators/StepUpTransformer.html
Audio Transformer, its Types and Impedance Ratio
https://circuitdigest.com/tutorial/audio-transformer
The step-up transformer increases the audio output signal voltage to 100V. Due to the Formula P (W) = V x A, when a voltage is increased the current decreases for a given power. The resistance would not effective for the low signal current. The signal will transmit perfectly.
Audio Transformers
https://www.jensen-transformers.com/wp-content/uploads/2014/09/Audio-Transformers-Chapter.pdf
Audio transformers must utilize both high-permeability cores and the largest practical number of coil turns to create high primary inductance. Coil inductance increases as the square of the number of turns and in direct proportion to the permeability of the core and can be approximated using the formula: L = 3.2 N28 ì A / 10 R
AUDIO TRANSFORMER DESIGN FOR TUBE AMPLIFIER WITH …
http://www.standardsuniversity.org/wp-content/uploads/audio_transformer_design_tube_amplifier_pichkalyov_final_paper.pdf
By using the above formula, we can calculate the turn number of windings required. It is proportional to the ratio of input and output impedances: n=Np/Ns=(Zp/Zs)1/2 where Np and Ns designate the primary and secondary turn numbers. n=(4096/4)1/2= 32; The equivalent transformer impedance can be then calculated (tube impedance is 5 kOhm and Zp is
Audio Transformer - Engineers Garage
https://www.engineersgarage.com/audio-transformer/
Fig. 3: Example Showing Derivation of Turns Ratio for an Audio Transformer with Input Impendance = 1800W and Loudspeaker Impendance = 8W With the transformer in between the amplifier and the speaker, amplifier will see an output impedance of 1800W, though actual load impedance is still the same, i.e., 8W.
Audio Transformers - Learn About Electronics
http://www.learnabout-electronics.org/ac_theory/transformers04.php
As the turns ratio of the transformer is 10:1 the increase in apparent resistance (or impedance) is the square of the turns ratio. This relationship is described by the formula; ZP= ZS(NP/NS)2 Ensuring that the output stage of an amplifier is correctly matched to its load. 100V Line Transformer. Fig. 11.4.6 100V Line Transformer.
Transformer Calculator - Good Calculators
https://goodcalculators.com/transformer-calculator/
Transformer Rating = 50 kVA = V 1 × I 1 = V 2 × I 2. Primary full-load current, I 1 = (50 × 1000 / 4000) = 12.5 A. Secondary full-load current, I 2 = (50 × 1000 / 400) = 125 A. b) Turns Ratio = N 1 / N 2 = V 1 / V 2 = (4000 / 400) = 10. You may also be interested in our Voltage Divider Calculator or Motor FLA Calculator
Audio Calculators - Extron
https://www.extron.com/calculators/?tab=tools
Extron Audio Calculators. Extron provides a series of audio calculators that sound system designers, engineers, and technicians frequently need to access, such as determining amplifier power requirements, converting between dBu and dBV or volts, or estimating the loss in sound pressure level with an increase in distance. All of the easy-to-use calculation tools are …
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