is the norm. Took about a week and a half for the choke. Shouldn't be much different. Tell them I sent you. Remind them it is for audio and should have more than usual primary turns count. Early stuff I got was built to typical industrial spec. More primary turns means less buzz and better power factor. They are good at following direction, you just need to give them proper directions. Audio: no buzz, no hum, no shaking the chassis. They will understand and wind the proper stuff. regards, Douglas !