Sound Dynamics 10S Speakers

I finished a full rebuild and upgrade to a very large pair of Sound Dynamics 10S speakers last night. These speakers arrived my way in a sorry state, but they are worth the effort in restoring. The cabinets are in good condition.

These speakers are highly efficient competitors to Cerwin Vega speakers made by Audio Products International, best known for Energy 22's and the Mirage line up of speakers.

These speakers use a 10 inch woofer crossed over in the 1st. order to a horn loaded dome tweeter. These speakers are easily over 96-98db in efficiency, they play loud and clear.

 
The woofer needed a re foam and I opted to go with black foams as opposed to the original reddish/orange foams.

The crossover got a new 4.7uf  metal polyester Tenta Cap that is +/-5%. The tweeter level control got a full dousing of DeOxit.

I replaced the original spring clips with new banana pug binding posts for better connectivity to modern connectors.

Also added was a bit more dampening material to help with the back wave from the woofer.

Sound impressions so far........ Pretty nice, the horn tweeter is clear without being harsh, the bass is spot on and very full. I did have to play with the tweeter control to get the balance that I like and loud, hell yeah, these can rock.

I have lots of material to listen to before I give these up to the next speakerholic.

Just arrived today, Sound Dynamics 10S and Bose 601 series 1

Not a bad Canada Day to start, on the way to pick up a pair of Bose 601 series 1, I stumbled across a pair of Sound Dynamics 10S made by API, the same guys who made the Energy 22's.

Both speakers are in need of serious re foaming and new caps in the Sound Dynamics, the Bose 601 was missing a woofer that I happen to have a spare of, that is why I took on the project.

Pictures will follow in the coming days.

Current vintage audio stuff for sale in Vancouver

My collection is pretty good and deep right now and I need to sell a few gems.

Speakers for sale from  my collection:

EPI 100V, Classic old school speaker fully refurbished with Solen caps, how they should have made it originally.
Absolute pristine condition. $150.00. Stands not included.

SOLD

Celestion Ditton DM110, Great British loudspeaker, made even better with new Solen Caps. Excellent sound stage made even better post upgrade. Stands not included $120.00. Grills in perfect condition.

Camber 2.5 Speakers, A well made Canadian classic that can rival an Energy 22. Super deep bass for a 7 inch woofer and a perfect sound stage image. Mirror imaged and an exceptional build quality. $120.00 stand not included. Grill in perfect condition.

SOLD

Well matched Rotel RX-830 receiver with a pair re capped Mission 700 Leading Edge speakers with Solen caps. I can not say enough about these two pieces together, you would swear the musicians are right in front of you. $200.00 gets you on the road to great vintage sound.

Aurex SA-5000, Same as the Toshiba SA-5000. 50 watts per channel of Direct Coupled goodness. Seriously well built amp from when Toshiba was at their best in home audio/visual. Toshiba is not as well known but made exceptional products in the 80's. $120.00

JVC R-S33 Receiver, second from the top of the line, this JVC receiver is a strong 40 watts per channel that runs "Class A" amp with "Class B", like a hybrid. The best in design and aesthetics from JVC in the 80's. $120.00

Local cash sales in Vancouver only.

Contact me through the Blog at psdave@gmail.com

Celestion Ditton 110 crossover re cap

I opted to re cap the Celestion Ditton 110's with Solen metal polyester caps, out with the old electrolytic 10% caps and in the 5% caps. Now they have opened up.

I have had a chance to let these caps burn in and now these speakers have really started to shine. The sound has really opened up in the mid range and high end. The imaging is spot on. Listening to Norah Jones, Come Away With Me and Norah might as well be in my room, that's how clear and precise these speakers turned out.

Current Bliss

NAD Model 30, Braun L1030, Braun L830, Dual CL390, Visonik Euro 7, Braun L830's.

Never will I see a collection like this again, so it must be documented.

Braun L830

Along side of the current Braun L1030's I have had the pleasure of working on and auditioning, these Braun L830's came back with more work to be done. Yet another Deiter Rams design speaker, this version images across the mid range and treble region as well as the L1030 but the bass is not as full due to the cabinet size.

A full re cap with two Solen 47uf, 20uf, 5.1uf and a 4.3uf caps were upgraded, no cheap feat but worth every cent.

These speakers are singing along side the L1030's and with all four speakers being driven by my Myryad amp it is pure HiFi bliss, this audiophile has never heard sound this good except for once when I heard a massive Infinity system with ribbon tweeters ($10,000+) at A&B Sound as a young teenager.

Braun L1030 Speakers

I have had the pleasure in re capping a pair of Deiter Rams Braun L1030 speakers along side of a pair of L830's, probably two of the best vintage audio speakers available in terms of sound and styling.

The Braun L1030's are simply a beautiful speaker with deep tight bass, clear as a bell mid range and spot on sparkling highs.The cabinets are an absolute gorgeous walnut veneer with curved edges. The stereo imaging that comes out of these boxes needs to be experienced first hand, words alone can not describe the sound.

The crossover was re capped using Solen caps including a massive 47uf cap, 10uf cap, 5.1uf cap and a 3.3uf cap, by no means are these caps inexpensive.

Is it worth the investment into this speaker? 100% it is. I would pretty much stop at this speaker if it was a permanent part of my collection, I would be hard pressed to find a better sounding and visually appealing speaker than this model. The Solen caps open up the speaker to new heights with clarity and transparency, it really is amazing.

These speakers are scheduled to be picked up soon and I will cherish every moment that I have with them....