Model	General Description	Applications	Price
IT600	Insulation transformer, 50, 200 or 600 Ohm	Balanced signal, insulation, summing mixers	$85
660OT	Direct replacement for a HS52, UTC mounting scheme.	Balanced signal, insulation Fairchild output	$85
NI73	Functional replacement for 10468 mic input transformer	Mic input	$65
NL73	Direct replacement for 31267 transformer	Line input transformer, direct box	$70
NO73	Direct replacement for LO1166 transformer, same physical size and mounting, not a can.	Output transformer	$65
T47C	AMI designed multi-purpose transformer, in a can	Line input, mic output, insulation, summing	$85
MOC37/60	100% re-issue of the early C60 mic output transformer, works great for C37, as well as most cathode follower outputs.	Line input, mic output, insulation, summing	$85
UT10	Direct replacement for A10 transformer	Mic input, line input, plate inductor	T.B.A
UT24	Direct replacement for A24 transformer	Mic input, line input, plate inductor	T.B.A.
UT26	Direct replacement for A26 transformer	Output transformer	T.B.A.

Microphone Transformers

German DIN 30 (Vintage Neumann style lamination size)

Model	General Description	Tube Setup	Price
BV8N	Direct replacement for U47/48, NOS lamination, historically correct, 50/200 Ohm output resistance	VF14	Stock Out
BV8R	BV8N with modern lamination that is made from the same material, four mount holes	VF14, EF14/42/732/80/800/802/860/95 and 5840	$350
FET47	Direct replacement for FET 47, NOS lamination, historically correct, 50/200 Ohm output resistance, custom order	None	$550
BV11A	Direct replacement for M49/50, historically correct	AC701, AC701K	$450
BV11R	BV11A with extended low and low-mid frequency response	EC92, EF732, 5840, 6072a and 12AY7WA	$450
BV12	Direct replacement for U67, NOS lamination, historically correct, 50/200 Ohm output resistance, custom order	AC701, EF12/806/86 and E80F	$550