Cerwin-Vega D-7 (1982–1986)
The Cerwin-Vega D-7 is a floorstanding, 3-way bass reflex loudspeaker from the early-to-mid 1980s. It's a big design in the classic Cerwin-Vega mold: a 15-inch woofer, a 10-inch midrange and a 1-inch tweeter, in a cabinet just over a meter tall that weighs roughly 35 kg (about 77 lbs). It was rated for 8 ohms with a sensitivity of 96 dB (1W/1m). That makes it efficient, so it doesn't need much amplifier power to get loud. That comes from the brand's live-sound background.
The driver complement is well corroborated across multiple sources. The crossover points were set at 600 Hz and 3,000 Hz, and the frequency response was rated at 25 - 20,000 Hz ±4 dB. Power handling figures vary by source and rating convention. One lists 20-350 Watts, another gives 250 Watts music / 400 Watts peak, so treat them as approximate. Dimensions were 1,016 × 460 × 300 mm (H × W × D).
Beyond that, the documentary record is thin — no original price, no period reviews with critical commentary, and no explicit statement of where the D-7 sat relative to the D-5 or D-9 in the range. What survives is a consistent picture of a large, efficient, high-output speaker built for serious rock listening at volume. Cerwin-Vega's 1984 line included a 2-way system with an 8-inch woofer and high-frequency horn, according to HiFI-Stereo (1984, p.125).
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