![QUAD (FOUR) Factory Matched and Balanced Telefunken Elektroakustic ECC83 12AX7 Black Diamond Tubes - Vacuum Tube Values QUAD (FOUR) Factory Matched and Balanced Telefunken Elektroakustic ECC83 12AX7 Black Diamond Tubes - Vacuum Tube Values](https://vacuumtubevalues.com/wp-content/uploads/2019/04/IMG_6464.jpg)
QUAD (FOUR) Factory Matched and Balanced Telefunken Elektroakustic ECC83 12AX7 Black Diamond Tubes - Vacuum Tube Values
![QUAD (FOUR) Factory Matched Telefunken Elektroakustic 6550 6550-TK Black Diamond Tubes - Vacuum Tube Values QUAD (FOUR) Factory Matched Telefunken Elektroakustic 6550 6550-TK Black Diamond Tubes - Vacuum Tube Values](https://vacuumtubevalues.com/wp-content/uploads/2019/04/IMG_6444.jpg)
QUAD (FOUR) Factory Matched Telefunken Elektroakustic 6550 6550-TK Black Diamond Tubes - Vacuum Tube Values
![Telefunken Arcofar 1000 Radio with Record Player, c. 1931 (#0112) on Mar 25, 2023 | Auction Team Breker in NRW Telefunken Arcofar 1000 Radio with Record Player, c. 1931 (#0112) on Mar 25, 2023 | Auction Team Breker in NRW](https://p1.liveauctioneers.com/364/279751/147457473_1_x.jpg?quality=80&version=1677514797)
Telefunken Arcofar 1000 Radio with Record Player, c. 1931 (#0112) on Mar 25, 2023 | Auction Team Breker in NRW
![Lot-Art | Four diverse microphones: Melodynamic, type 75A, Philips type 9535, Telefunken, type Ela M 102/1 and Amroh, type 20, mainly 1930s/40s. Lot-Art | Four diverse microphones: Melodynamic, type 75A, Philips type 9535, Telefunken, type Ela M 102/1 and Amroh, type 20, mainly 1930s/40s.](https://gcp-la8-storage-cdn.lot-art.com/public/upl/13/Four-diverse-microphones-Melodynamic-type-75A-Philips-type-9535-Telefunken-type-Ela-M-1021-and-Amroh-type-20-mainly-1930s40s_1633956023_7567.jpeg)