Intambo ye-BSP 1 1/4' kunzwa yezinga lohlobo iyisixazululo esiguquguqukayo futhi esihlala njalo sokuqapha amazinga oketshezi emathangeni ahlukahlukene. Yenziwe kusukela kunsimbi engagqwali engu-304, ngokuthuthukiswa kokuzikhethela ukuya kunsimbi engagqwali 316 ukuze imelane nokugqwala okuthuthukisiwe, le nzwa yakhelwe ukumelana nezindawo ezinokhahlo. Ifaka ubude obungafinyeleleka obusuka ku-0 mm kuya ku-0 mm ubude obuvumela ukufakwa okusuka kokungu-0 mm kuya ku-100 mm ongaguquguquka. Kuwo wonke amasayizi ethangi ahlukene Inzwa inikezela ngohlu lokukhiphayo oluyi-0-190 ohm noma i-240-33 ohm, enezinketho ezengeziwe zokuphumayo kwamanje noma kagesi, okuyenza ihambisane nezinhlelo eziningi zokuqapha zasolwandle ukusebenza kahle kuzilungiselelo zezimboni eziyinselele.