Celestion driver identification

Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic

   Can anybody identify  this damaged Celestion 18" driver please, it came out of a Tannoy B950 vented sub bass enclosure, there is  something on  the side of the magnet to identify the model, but it's unreadable. It has a 4" voice coil & is rated at 300w RMS. Tannoys reference is 4501 but I have drawn a blank on locating a recone kit.  I have been in contact with Doc at Celestion, he thinks it may be a a T4447 which is a BX18-4085 as used by Martin. I have tried Lockwood but they can't help, and am still waiting to hear back from at Tannoy.The driver is damaged and I would like to get it fixed or replaced.

Edited by Jubone - 11 May 2014 at 2:12pm

Author	Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic
Jubone Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 12 May 2013 Location: UK Status: Offline Points: 34	Post Options Post Reply Quote Jubone Report Post Thanks(0) Quote Reply Topic: Celestion driver identification Posted: 11 May 2014 at 1:35pm
	Can anybody identify this damaged Celestion 18" driver please, it came out of a Tannoy B950 vented sub bass enclosure, there is something on the side of the magnet to identify the model, but it's unreadable. It has a 4" voice coil & is rated at 300w RMS. Tannoys reference is 4501 but I have drawn a blank on locating a recone kit. I have been in contact with Doc at Celestion, he thinks it may be a a T4447 which is a BX18-4085 as used by Martin. I have tried Lockwood but they can't help, and am still waiting to hear back from at Tannoy.The driver is damaged and I would like to get it fixed or replaced. Edited by Jubone - 11 May 2014 at 2:12pm

Elliot Thompson Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5086	Post Options Post Reply Quote Elliot Thompson Report Post Thanks(0) Quote Reply Posted: 11 May 2014 at 10:53pm
	Hi. The BX 18-4085 is rated 600 watts. The driver you have might be the BX 18-3075 (300 watts) or BX 18-3085 (400 watts). However, the BX 18-3075 & BX 18-3085 offered a 3-inch voice coil. If you are certain the voice coil is 4-inches then, the driver you posses is indeed a BX 18-4085. Nevertheless, the BX 18-4085, BX 18-3085 in addition to the BX 18-3075 was designed for folded horns. I actually have three, BX 18-4085 sitting in cardboard boxes for nearly 20 years. The closest replacement to those drivers would be the Precision Devices PD 1850. Best Regards,
	Elliot Thompson

Elliot Thompson Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5086	Post Options Post Reply Quote Elliot Thompson Report Post Thanks(0) Quote Reply Posted: 11 May 2014 at 11:11pm
	I just double-checked. I have four, BX 18-4085 woofers residing in cardboard boxes. Best Regards,
	Elliot Thompson

Jubone Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 12 May 2013 Location: UK Status: Offline Points: 34	Post Options Post Reply Quote Jubone Report Post Thanks(0) Quote Reply Posted: 12 May 2014 at 5:12pm
	Hi Elliot, thanks for all the information. Tannoy got back to me today and have given me a contact for recone kit :) So with any luck I'll be rattling windows again soon! All the best, Jude

teeth Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 05 July 2021 Status: Offline Points: 394	Post Options Post Reply Quote teeth Report Post Thanks(0) Quote Reply Posted: 17 October 2022 at 11:59am
	hi there, did you work out which driver is suitable? i'm eyeing up a pair of B950 and wondering what drivers to put in them...