We are about the age of down-sizing. Recently I hurt my back and decide to start from the irons.
Here is a pair of TANGO ISO M-757 single ended output transformers in die cast cases. One is NIB with document and the other was used and tested. There was an moment when I was very interested in open baffle, full range speakers, yet later I realized that I overestimated the size of my living room and thus did not finish the speakers as well as the other channel of amp. Cosmetic is clean and shining. They are tested for conductivities among primary or secondary. Insulation between primary and secondary poles are confirmed by multimeter (see photo; no shorts).
Specs (according to product insert; see photo):
Impedance Primary: B-5K-7K Ohms
Impedance Secondary: 0-4-8-16 Ohms
Power: 7 Watts (70Hz)
Frequency Response: 45-60k Hz (-2dB, 4v, rp=zp, Ib=55mA)
Primary Inductance: Max 18H, Min 12H (5K Ohm); Max 24H, Min 16H (7K Ohm) at 50 Hz, DC55mA
Max DC current: 60mA
Power Loss: 0.44dB (5K Ohms); 0.41dB (7K Ohm)
Dimensions W56mm D50mm H80mm; Weight 0.8 kg
Color: Metallic Gray
Asking $500. Buyer to pay actual shipping+handling from Boston, MA, USA.
Here is a pair of TANGO ISO M-757 single ended output transformers in die cast cases. One is NIB with document and the other was used and tested. There was an moment when I was very interested in open baffle, full range speakers, yet later I realized that I overestimated the size of my living room and thus did not finish the speakers as well as the other channel of amp. Cosmetic is clean and shining. They are tested for conductivities among primary or secondary. Insulation between primary and secondary poles are confirmed by multimeter (see photo; no shorts).
Specs (according to product insert; see photo):
Impedance Primary: B-5K-7K Ohms
Impedance Secondary: 0-4-8-16 Ohms
Power: 7 Watts (70Hz)
Frequency Response: 45-60k Hz (-2dB, 4v, rp=zp, Ib=55mA)
Primary Inductance: Max 18H, Min 12H (5K Ohm); Max 24H, Min 16H (7K Ohm) at 50 Hz, DC55mA
Max DC current: 60mA
Power Loss: 0.44dB (5K Ohms); 0.41dB (7K Ohm)
Dimensions W56mm D50mm H80mm; Weight 0.8 kg
Color: Metallic Gray
Asking $500. Buyer to pay actual shipping+handling from Boston, MA, USA.
