- FOCAL Datasheets: Download link: Model part number: Features: Midrange: 4V3211: 4V3211: 4' polyglass cone, 25mm voice coil, 88.5dB/2.83V/1m, 8 Ohms.
- Reproduction of the very lowest frequencies contributes to a system's accuracy, as well as creating a visceral connection to the program material. Subwoofer drivers are likely to be found in their own dedicated subwoofer speaker system enclosure. Our selection of subwoofers is sure to fit your needs: new projects, replacement speakers, or upgrades.
- Replacement parts and repairs kits from Speaker City USA. We sell Focal, Selenium, Vifa, Parts, Replace, Parts, recone and refoam, Alesis, Cerwin, Vega, Electro-Voice, Foster/Fostex, KRK, Tannoy, SBR replacement parts. Focal Drivers Fountek Drivers Goldwood Drivers Goldwood Horns.
Hi-Fi Audio Drivers (Speakers and Tweeters)
These are some of the drivers that we have had the opportunity to try out over the years. The pages contain information about the drivers (transducers) including photographs, history and background information, driver specifications and links to DIY speaker enclosure designs. The Thiele/Small Parameters have been measured for many of the drivers using the Dayton Audio Test System (DATS). Questions and discussion about loudspeaker drivers and building is welcome in the DIY Loudspeaker and Subwoofer forum.
Noted costs last updated: 31 March 2018
Reproduction of the very lowest frequencies contributes to a system's accuracy, as well as creating a visceral connection to the program material. Subwoofer drivers are likely to be found in their own dedicated subwoofer speaker system enclosure. Our selection of subwoofers is sure to fit your needs: new projects, replacement speakers, or upgrades.
If you don't see the replacement you are looking for here, please see our Retrofits page.
Advent Speaker Replacements
People often use the Misco 6102 woofer to replace the Baby Advent woofers.
Allison CD-9 Speaker Replacements
Allison CD-9: the Seas Prestige 27TDFC (H1189) Textile Dome Tweeter is a good replacement but you will have to notch the Allison cutouts slightly to fit the wiring terminals.
Apogee Speaker Replacements
Apogee
Dunlavy Speaker Replacements
To match the drivers in your SC- or
Dunlavy 1001
12' Woofer Vifa M30WO-49*.
Dunlavy 1003
5' Mid-Bass Vifa P13WG00-08* or Scan-Speak Discovery P13WH00-08*.
Dunlavy 1004
7' Mid-Bass M18WO08* but try the Scan-Speak Discovery 18W/8434G.
Dunlavy 1008
6.5' Mid-Bass Scan-Speak Discovery P17WJ00-08
Dunlavy 1012
1' Dome Tweeter D27TG35-06* which is now the Scan-Speak Discovery D2606/9220.
Dunlavy 1014
6.5' Shielded Mid-Bass P17SJ00-08*. Replace with the unshielded Scan-Speak Discovery P17WJ00-08 is available.
Focal Replacement Drivers Reviews
Dunlavy 1029
4' Cone Midrange M10MD39-08*. Replace with the Scan-Speak Discovery 10F/8424G.
Dunlavy 1033
5.5' Shielded Mid-Bass M13SG09-08* or Scan-Speak Classic P13WH00-08*.
Dunlavy 1035
8' Woofer P21WN20-08*. Replace with Scan-Speak Discovery P21WO20-08.
Dunlavy 1036
1' Shielded Dome Tweeter D27SG05-06*. Can be repaired with 600058 voice coil.
Dunlavy 1045
10' Woofer Scan-Speak Classic 25W/8565
Dynaudio Tweeter Replacements
Original parts are available from Dynaudio dealers. Dynaudio Driver Catalog (PDF).
D21AF tweeter
We recommend the Eton 19SD-1 tweeter. You need to use new screw holes.
D21/2 tweeter
We recommend the Eton 19SD-1 tweeter. You need to use new screw holes.
D28AF tweeter
We recommend the Morel MDT32S tweeter. The screw holes are slightly off, you might turn it 180 and use new screw holes.
D28/2 tweeter
We recommend theMorel MDT32S tweeter. The screw holes are slightly off, you might turn it 180 and use new screw holes.
Dynaudio Woofer Replacements
Some Dynaudio woofers can have new surrounds installed by Miller Sound.
Dynaco Speaker Replacements
Dynaco A25 Tweeter
The tweeter for this speaker is no longer in production and Seas recommends using their new Sonotex fabric dome, the Seas Prestige 27TFFC (H0881).
Dynaco A25 woofer
The woofer is no longer made in this frame size. A new
Hales Speaker Replacements
Hales Transcendence Tweeters
We're not sure which models. They used a metal dome tweeter. Original is
Infinity Speaker Replacements
Infinity Kappa 8.1
The Scan-Speak Discovery D7608/9200-10 is a perfect replacement.
Infinity 6' 2-way systems
The Misco 6102 woofer can be used to replace many of the sealed box 6' 2-way Infinity speakers. Check the size carefully.
Kef Speaker Replacements
Kef 107 Replacement Woofers
WAM Engineering experimented with the Seas Prestige CA26RFX (H1305) as a replacement for the 10” woofers in the Kef 107 speaker. They said these woofers worked great and would recommend them as a good replacement.
Kef T33A Replacement
A good replacement for an 8 ohm Kef T33A is the Morel MDT30S tweeter. The T33A is a 95mm square tweeter and the MDT30S is a 94mm round tweeter. The
Kef 104/2 Tweeter Repair
The Morel MDT29-4 tweeter is often used to replace the tweeter in the Kef 104/2. The tweeter is not a perfect fit and requires some work. You need to remove the front flange. The voice coil assembly is now exposed. You need to trim down the plastic rim on the voice coil to get it to fit into the speaker bracket.
Scan-Speak Speaker Replacements
Some woofers can have new surrounds put on by Miller Sound.
Spica Speaker Replacements
Spica TC50
The Audax tweeters used in this speaker are available again! The new tweeter is the Audax TW025A2 tweeter, replacing the old part number of HD100D25. The woofer is the Hif 17JVX 4 ohm and we don't know of any similar speaker to replace this driver. There is no fix for the woofer that we are aware of. Bad woofer = junk speaker.
Spica TC60
The Scan-Speak Discovery D2606/9220 is a drop-in replacement tweeter.
Thiel Audio
Thiel CS3.5
Original driver was the Scan-Speak 13M/8521. PBN Audio has done some research on a replacement for this speaker. Peter has decided that the Scan-speak 10F/8424G is a perfect replacement. It is smaller than the original midrange, so they have machined a metal adapter plate. It is sold as a 13M/8521 Replacement Part.
Another suggested replacement with good customer experience recommendation is the Scan-Speak Discovery 12W/8524G. This unit is 5mm smaller and has slightly lower sensitivity than the 13M/8521.
Thiel (CS2.2, CS3.6, etc) speakers that used a Vifa D26AG36-04.
The original is a metal dome but we do have a soft dome replacement voice coil that will fit it, Scanspeak Voice Coil D3004. It is on the same voice coil chassis and also
Vifa Speaker Replacements
Vifa Tweeters
With many very popular Vifa tweeters being discontinued, or difficult for us to acquire, here is your best bet for replacements: Aluminum dome Vifa D25AGXX-06 --> SEAS Prestige 27TBFC/G (H1212)
Von Schweikert Replacements
Von Schweikert Audio has
Von Schweikert VR-3
The midrange can be replaced with the Audax HM130C0 Woofer.
The front tweeter is the Vifa D25AG35-06*. Use the SEAS Prestige 27TBFC/G (H1212).
The rear tweeter is the D19TD05-08*. Use the Seas Prestige 19TFF1 (H0737).
Von Schweikert VR-4
The midrange can be replaced with an Audax HM130C0 Woofer.
The front tweeter is the Vifa D25AG35-06*. Use the SEAS Prestige 27TBFC/G (H1212).
Focal Replacement Drivers Free
The rear tweeter is the D19TD05-08*. Use the Seas Prestige 19TFF1 (H0737).
Von Schweikert VR-4.5
The midrange can be replaced with an Audax HM130C0 Woofer.
The front tweeter is the Vifa D25AG35-06*. Use the SEAS Prestige 27TBFC/G (H1212).
The rear tweeter is the D25AG-05-06*. Use the SEAS Prestige 27TBFC/G (H1212).
Von Schweikert VR-6
The midrange can be replaced with an Audax HM130C0 Woofer
Focal Replacement Drivers
* NOTE: All drivers marked with an asterisk are no longer available from Madisound.
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