I need to replace the filter choke in my mcintosh 60 power amp.I have a part # M-174 but have no idea what the specs are.ie henerys,ma,ohms ? can any one out there help ? regards Rich
Wayne Parham Messages: 18677 Registered: January 2001
Illuminati (33rd Degree)
If it's a power supply filter choke, you can go with the rule that "bigger is better." The higher the inductance, the better. Same with wire diameter since that sets current carrying capacity.
If you're looking for a direct replacement part then hopefully someone else will chime in. But if you're looking for specifications of a suitable replacement, then go with the biggest coil that will fit, both in inductance and current carrying capacity.
All have different mounting and may require some sort of bracket.
The Hammond 159T 2.5H, 300ma, 43 ohms might work, but you'd need to check the size/mounting.
Lastly, did you consider rewinding? Chokes aren't very difficult to wind by hand. Just measure the wire gauge and count the windings as you unwind the old bobbin.
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