ðə mˈoʊst ɹˌuːdɪmˈɛntɚɹi fˈɔːɹm əvə ˌɛsˌɑːɹɹˈɛm hɐz ðə lˈoʊɪst kənstɹˈʌkʃən kˈɔst ʌv ˌɛni ᵻlˈɛktɹɪk mˈoʊɾɚ bɪkˈʌz ʌv ɪts sˈɪmpəl stɹˈʌktʃɚ, ænd ˈiːvən ɪndˈʌstɹɪəl mˈoʊɾɚz mˌeɪhɐv sˌʌm kˈɔst ɹᵻdˈʌkʃən dˈuː tə ðə lˈæk ʌv ɹˈoʊɾɚ wˈaɪndɪŋz ɔːɹ pˈɜːmənənt mˈæɡnɪts.
The most rudimentary form of a SRM has the lowest construction cost of any electric motor because of its simple structure, and even industrial motors may have some cost reduction due to the lack of rotor windings or permanent magnets.