Look inside Soviet Radiotehnika S-30B speaker - What's Inside?

Teardown VEF RRR Radiotehnika S-30B 2-way Bookshelf Soviet Russian USSR Speaker look inside - What's Inside? The s-30b not russian made loudspeakers, but Radiotehnika S30B made in Latvia from Union of Soviet Socialist Republics (USSR) time. I show How to remove speaker grill and How to disassembly & assembly this radiotehnika loudspeaker - to see build quality and what kind of parts used for this speakers. This can help you for repair radiotehnika or for building project. VEF RRR S-30B also know Сг3.843.055ТУ-86. Low frequency speaker driver is 25 ГДН-1-8 and for high frequency use a tweeter 6 ГДВ-1-16. VEF Radiotehnika RRR was founded in 1927 in Riga, Latvia and had radio/audio production as a main activity. The company was given its present name Radiotehnika RRR (Rīgas radiorūpnīca – Riga Radio Factory) in 1941 joining two private companies: a joint stock company “Foto-radio centrāle A. Leibovic” established on 28 December 1927 and a radio production company "A. Apsītis un F. Žukovskis” established in 1934. In The Soviet Union, officially the Union of Soviet Socialist Republics (USSR). Some of Radiotehnika RRR speakers: S-30, S-50B, S-90, S-90F, S90B, S-90D, Baltic 50, Giant FS-100, Gold FS-500.1, Rigonda S FS 5.3, SM-300, X-LINE FS 10.1, Rigonda S MM 1.3 or radiotehnika s-400.

Specification of VEF RRR Radiotehnika S-30B:
- Frequency Response(not worse than): 50Hz – 20kHz
- Power Handling (RMS/Max): 30/300 W
- Sensitivity (1W@1m): 85 dB
- Nominal Impedance: 8 Ohms(min 6.4)
- External Dimensions: (HxWxD): 364х214х195mm
- Weight: 6 Kg

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[-] Hазвание видео RU: Советский HI-FI Колонки Радиотехника С30б или Акустика S-30B заглянуть внутрь - первый взгляд и разборка

[-] Video nosaukums LV: Padomju laiku tumbas Radiotehnika RRR S-30B izjaukšana un pirmais izskats

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(0) DIY guides: https://www.youtube.com/watch?v=MB0njxQm2fM&list=PLwiSkdgFgik7CvkMgw6pm4vm8iW2pZPYt

(0) Headphones dB/SPL sound tests: https://www.youtube.com/watch?v=_rtax-9KXoE&list=PLwiSkdgFgik6nqlkYgtxoyUo2SdCKgOgI

(0) Tests and some entertainments: https://www.youtube.com/watch?v=XbECmby8cug&list=PLwiSkdgFgik5vqneZAB0uaNMtYqd3_xLx

(0) Unboxings: https://www.youtube.com/watch?v=O9AIEE8Pr8c&list=PLwiSkdgFgik4Ecs876nyqL50ruIW61VXp

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Видео Look inside Soviet Radiotehnika S-30B speaker - What's Inside? канала Techscrew