A pair of Triad HS56 HS 56 PULTEC input transformers

pair Western Electric 171C output transformers 1940s 124 133A power amps

1970s Rebranded Triad HS-56 Line Transformer Pultec Spectra Sonics

Triad HS-56 Line to Line XFMR

Triad Transformers GroupDIY Audio Forum

pair Western Electric 171C output transformers 1940s 124 133A power amps

2) Triad Mic / Line Input Transformer A-67J / HS-56

TRIAD HS-11 input Transformer

Triad Vintage Electrical Transformers for sale, Shop with Afterpay

Pair of Vintage Triad HS-56 Line Matching Input Output Audio Transformer *Niice!