Not much information on the Tandberg TPA-3003 has survived. Modern-Recording (June 1980, p.31) said it was rated for 150 watts per channel into 8 ohms at less than 0.02% THD, and that Tandberg called special attention to the amplifier's transient capability. The same review listed it among the company's "high-end separates."
Past that, detailed design notes, production run length and original pricing haven't turned up in period audio literature. A brief mention in Audio (October 1980, p.24) groups the TPA-3003 with other contemporary power amps such as the Pioneer Spec-2 and NAD 3040. That confirms it was on the market by late 1980. It gives no measurements and no commentary.
Known specifications from period sources:
- Power output: 150 W/ch into 8 ohms
- Total harmonic distortion: less than 0.02%
- Emphasis on high transient current capability
If you have a service manual, a review reprint or an original brochure, the Archive would like a scan.
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