Wire Wound Resistor or Inductor?

69stingray · 01:48 PM

Hello everyone, I am rebuilding some Coral 3-Way speakers. There is one component I am curious about. Not sure if it is a resistor or inductor.

I measured it and it has a DCR or 9.5 ohms. I am thinking it is a resistor since a inductor would have a DCR of 9.5 ohms. The component is hollow though.

zigzagflux · 29th January 2010, 02:54 PM

Resistor. I think the 5L was an old Ohmite model.

tomchr · 29th January 2010, 08:18 PM

It even says 10 ohm right there on it... Resistor!!

The reason it's hollow is that it's wound on a ceramic tube to allow for better heat dissipation. This is/was a pretty common practice for wire-wound resistors.

~Tom

magnatar · 29th January 2010, 11:45 PM

resistor , ceramic air cooled

69stingray · 29th January 2010, 11:52 PM

Thanks everyone, I thought so. It just looks so much like an inductor and it is on the midrange, so it was possible. I wouldn't think an inductor would have a DCR of 10-ohms.

zigzagflux · 30th January 2010, 01:24 AM

Lots of inductors could have DCR's of 10 ohms. They range from less than one ohm to greater than 1k ohm. Point is, this one isn't an inductor based on the construction, regardless of the labeled or measureable parameters.

Typically, an inductor is labeled in henries and possibly amperes; a resistance value is much less common, and would only be included in addition to henries.

29th January 2010, 11:52 PM	#5
69stingray diyAudio Member Join Date: Apr 2005 Location: NH	Thanks everyone, I thought so. It just looks so much like an inductor and it is on the midrange, so it was possible. I wouldn't think an inductor would have a DCR of 10-ohms. __________________ Audio DIY Page FOLLOWMY529.COM - Subscribe and follow the performance of my daughter's 529 College Saving Account.

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
litz inductor wire for speaker wire.	fazman	Everything Else	126	20th June 2011 02:48 PM
Why not wire wound potentiometers for volume?	tem00	Chip Amps	18	16th January 2009 01:48 PM
Wire Wound Pontentiometers - resistors	neazoi	Tubes / Valves	1	12th January 2009 11:08 AM
Inductor wound with THHN ?	seventenths	Parts	4	24th April 2008 10:58 PM
Wire Wound Resistor Failure?	jjai	Solid State	6	3rd March 2005 07:32 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

29th January 2010, 02:54 PM	#2
zigzagflux diyAudio Member Join Date: Oct 2006	Resistor. I think the 5L was an old Ohmite model.

29th January 2010, 08:18 PM	#3
tomchr diyAudio Member Join Date: Feb 2009 Location: Greater Seattle Area	It even says 10 ohm right there on it... Resistor!! The reason it's hollow is that it's wound on a ceramic tube to allow for better heat dissipation. This is/was a pretty common practice for wire-wound resistors. ~Tom

29th January 2010, 11:45 PM	#4
magnatar diyAudio Member Join Date: Jan 2010 Location: Bay Area	resistor , ceramic air cooled

30th January 2010, 01:24 AM	#6
zigzagflux diyAudio Member Join Date: Oct 2006	Lots of inductors could have DCR's of 10 ohms. They range from less than one ohm to greater than 1k ohm. Point is, this one isn't an inductor based on the construction, regardless of the labeled or measureable parameters. Typically, an inductor is labeled in henries and possibly amperes; a resistance value is much less common, and would only be included in addition to henries.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)