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Old 28th May 2007, 02:28 AM   #1
nodiak is offline nodiak  United States
diyAudio Member
 
Join Date: Nov 2004
Location: really northern cal. coast
Default FS: Dynaco A-25 drivers.

Four woofers: SEAS 25 TV-EW, circa 1970-71. Cast frame, rubber surround, 8 ohm, Alnico magnets. All in good condition , a few light marks/dots on cones. No tears, punctures, rips. Work well.
Two 1.5" tweeters: SEAS "Type dome 87 H". "4-8 ohm". Metal mesh grilles. Work well.
All recently tested for function by hooking up to a Sony receiver (2uF caps on tweeters), and all play fine. No A-25 cabinets or crossover parts avilable from me.

I seached these out last year to make an MTM for my shop. Seemed a fun project and the dual woofer idea would make things easier on the paper voice coil formers.
Was going to double (or a bit more) the stock~ 23 liter cabinet size and use Scanvents for the aperiodic loading.
The stock crossover uses nothing on the woofer. 5 uF caps on tweeter and a selection of resistor values to choose from. I planned on using Solen or better caps and Mills resistors.
It's another project I'll never get to, so doing the spring cleaning thing.

$125 for all drivers, plus shipping from zip code 95521, usa. Prefer paypal and I'll absorb the fees.

Contact here or email: nodiak@sbcglobal.net

Thanks, Don
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