![]() "Start" and "finish" are arbitrary terms with respect to this configuration. Replacement transformers are not always identical, so if you get squeals or other odd sounds when hooking up a new output transformer, try reversing the output leads. Ordinarily the black side should also be grounded, if the speaker is grounded. Plate lead (pri.) - blue (start)ī+ (power supply) lead - red (center tap) For maximum power transfer, impedance of the output amplifier should be same as that of impedance of the audio speakers. ApFollowing well-established wire color codes is essential. The impedance of the output stages of the amplifier circuits is often different from the impedance of the audio speakers. Is there a standard scheme for output transformer wire colors?ĭerived from the ARRL Radio Amateur's Handbook: The important functions of an audio transformer are: 1. Is there a standard scheme for power transformer wire colors? GRN - control grids, diode plates (and base 1 of transistors) ORA - screen grids (and base 2 of transistors) Description: Features Small, economical, open, two hole horizontal bracket mount. ![]() Is there a standard scheme for hookup wire colors?īLA - grounds, grounded elements, returns Audio Transformer Color Code Products & Services See also: Categories Featured Products More Info rmation View Specs Transformers - Transformers - Audio Transformers - Signal Level - 143N Supplier: Hammond Manufacturing Company Inc. ![]()
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