Tandberg Hi Fi System 7 (late 1960s–early 1970s)
The Tandberg Hi Fi System 7 is a two-way loudspeaker from the Norwegian manufacturer, dating to around 1968 - early 1970s. Documentation is thin. What survives comes mostly from classified listings, a spare-parts page, and a Russian forum thread. It's enough for a reasonable picture of the design.
The System 7 paired a 6×10-inch woofer (type HT 112, rated at 3.2 ohms) with a 2-inch tweeter (type HT 106, 5 ohms), crossing over at 3,000 Hz. Frequency response was rated at 60 Hz - 16 kHz. The enclosure measured roughly 70.5 cm high, 35 cm wide, and 28 cm deep. It was finished in rosewood, with the period-typical grille of parallel wooden slats. One source notes a Jensen oil capacitor in the tweeter's high-pass filter. Sources disagree on the production date - one forum poster says 1968, while another says early 1970s. Nominal impedance figures vary between 3.2 and 4 ohms depending on the source.
Listening impressions are scarce and mixed. One owner on the hi-fi.ru forum (reposting another user's comments) said vocals were decent but highs were somewhat lacking. He suspected the tweeter or crossover capacitor may have drifted with age. The same poster found the bass improved and the sound "livelier" with the speakers played without the back panel. Another forum user dismissed them as "just ordinary hi-fi," though that judgment appears speculative. A Danish seller simply noted they were in reasonable condition and played fine.
For a Tandberg speaker of this era, the System 7 appears to be a modest, straightforward two-way design. It's not a top-tier model, but a competent one. The Norwegian parts supplier lydshop.no still lists service parts for it, which is good news for anyone restoring a pair. A current Russian asking price of 40,000 ₽ was noted, though that's a single listing and not a reliable market indicator.
Known specs
- Type: 2-way loudspeaker
- Woofer: 6×10 in, type HT 112 (3.2 ohms)
- Tweeter: 2 in, type HT 106 (5 ohms)
- Crossover: 3,000 Hz
- Frequency response: 60 Hz – 16 kHz
- Enclosure: rosewood, ~70.5 × 35 × 28 cm
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