I had them for some short time , just to make vivisection , clean the switches ….
I was really surprised how plastic coned 2528 is good ……. 😉
Of course , as always with any new driver to me, I tried them baffle-less and I’m primarily basing my impression on that ; that was main reason why I , later , urged my Vladimir to try them , as cheap and easy way for trying Audiophile Retirement 😉 http://www.zenmod.in.rs/loudspeakers/tannoy-2520-mltl-box-for-ar2/
Data for coils :
marked 0,2mH – measured 0,2mH – 0,43Rdc
marked 0,8mH – measured 0,827mH – 0,47Rdc
bass coil :
tap marked 0,8mH – measured 0,83mH – 0,33Rdc
tap marked 1,5mH – measured 1,54mH – 0,51Rdc
tap marked 2,5mH – measured 2,6mH – 0,78Rdc
0,2mH coil – air cored
both 0,8mH and bass (2,5mH) coils have ferite powder cores
