2 5X4G ZENITH Hanging Filament HiFi Antique Radio Amplifier Vintage Vacuum Tubes Codes 36 13 29 NOS. Both tubes have black plates, hanging filament, identical construction and matching codes 36 13 29. Tubes Tested on a TV-7D/U Tester. Tubes Test New 52-52 and 52-52. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets".
The seller is "singerhousesound" and is located in this country: US. This item can be shipped worldwide.