187. TOSCA 303 cz 2. Kultowa TOSCA wraca do życia! Prezentacja legendarnego amplitunera Unitra

The Unitra Diora TOSCA receiver is one of the most iconic Polish audio models from the 1980s. In this episode, I present a restored model, discuss its design and functions, and share my listening impressions. This is a great resource for those looking to buy a Tosca, planning to restore one, or simply enjoying classic Unitra devices. In the video, you'll find: a presentation of the restored Tosca, a discussion of the design and solutions used, common faults and components requiring service, a listening session and my sound impressions, a comparison with other Unitra receivers from this era. If you're interested in Unitra, Diora, or vintage audio restorations, this video is sure to interest you. 📌 Subscribe to the channel for more presentations and repairs of classic Unitra/Tonsil devices. 📌 Leave a comment telling me which receiver or amplifier you'd like me to feature in future episodes. As a reminder, you can always buy me a coffee: https://buycoffee.to/zpdu 00:00 - Part II of the TOSCA 303 video 01:31 - Tuning the FM (also on the UL1200) 08:00 - Adjusting the stereo decoder 13:30 - Complete success - the stereo decoder is tuned 14:35 - Level difference at the amplifier output - the fault has been fixed. 18:24 - Measurements of the entire FM/FM path 20:55 - Cleaning the preamplifier and tuners 23:50 - Putting it all together 26:33 - Summary