Jereostereo
Active Member
I’ve had these apparently very rare speakers for a few years and really enjoy them. To me, they seem like an early inspiration for the Dynaco A25. I thought I would post some pics in case anyone is interested.
The speaker is the Model One by KSC/SEAS. This was apparently a very short-lived company, based out of New York City, that imported SEAS drivers from Norway and installed them into custom-built cabinets. Very similar to what ADS did in the 70s. The drivers are date-stamped 1963. This speaker uses an early version of the same woofer that went into the A25. It also uses a SEAS mid range and tweeter. Jensen capacitors are in the crossover, just like the A25.
There were lokely no more than a couple thousand pairs of these speakers made, probably only in the one year of 1963/64. My serials numbers are in the 400’s, and I saw one other pair online with serials in the 1600’s.
I also have a pair of A25s, so I can comment a little bit on how they compare. I would say the KSC speakers are bit less precise but warmer than the A25. I listen to each pair on a Scott 222C. For nostalgia’s sake, I like pairing the older speaker with the Scott.
Here are some specifics on the drivers:
Woofer: SEAS 25 TV-E
Midrange: SEAS 9-M
Tweeter: SEAS 9-HFT
The crossover uses Jensen 72uf, 12uf, and 5uf capacitors.
If anyone has any information, I would love to hear it. I found a 1964 review online from an audio magazine that was quite favorable. I’d be curious to know what other speakers were using SEAS drivers in the early 1960’s. Thanks.
The speaker is the Model One by KSC/SEAS. This was apparently a very short-lived company, based out of New York City, that imported SEAS drivers from Norway and installed them into custom-built cabinets. Very similar to what ADS did in the 70s. The drivers are date-stamped 1963. This speaker uses an early version of the same woofer that went into the A25. It also uses a SEAS mid range and tweeter. Jensen capacitors are in the crossover, just like the A25.
There were lokely no more than a couple thousand pairs of these speakers made, probably only in the one year of 1963/64. My serials numbers are in the 400’s, and I saw one other pair online with serials in the 1600’s.
I also have a pair of A25s, so I can comment a little bit on how they compare. I would say the KSC speakers are bit less precise but warmer than the A25. I listen to each pair on a Scott 222C. For nostalgia’s sake, I like pairing the older speaker with the Scott.
Here are some specifics on the drivers:
Woofer: SEAS 25 TV-E
Midrange: SEAS 9-M
Tweeter: SEAS 9-HFT
The crossover uses Jensen 72uf, 12uf, and 5uf capacitors.
If anyone has any information, I would love to hear it. I found a 1964 review online from an audio magazine that was quite favorable. I’d be curious to know what other speakers were using SEAS drivers in the early 1960’s. Thanks.
