Technics SB-33 (c. 1970)
Little is documented about the Technics SB-33 beyond a period advertisement that ran in early 1970. What that ad tells us: it was a bookshelf-type three-way speaker system, offered at a suggested list price of $125.00 per unit. Technics' own advertising in High Fidelity (April 1970, p.68) called out a 10-inch woofer with an inverted half-roll surround, a 3-inch cone tweeter with a low-mass cone, and response extended to 19,000 Hz. A "peak-free" cone design and a low-loss crossover were also claimed.
The same ad placed the SB-33 below the flagship SB-88, a three-way five-speaker system listed at $249.95 per unit, suggesting the SB-33 was the more accessible bookshelf offering in Technics' early speaker lineup. Beyond the ad copy, no independent period review, production dates, or detailed specifications have surfaced. If you own a pair or have service literature, the record could use it.
- Type: 3-way bookshelf speaker system
- Woofer: 10-inch, inverted half-roll surround
- Tweeter: 3-inch cone, low-mass
- Claimed response: up to 19,000 Hz
- Original price: $125.00 per unit (suggested list, c. 1970)
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