National Horizon 10 HiFi Amplifier Manual $8.99 National Horizon 10 HiFi Amplifier Manual quantity Add to cart Categories: N, National Description Description For sale is reprint of National Horizon 10 HiFi Amplifier Manual. Manual is 8 pages Includes Part List and Circuit Diagram. Manual also includes 3 Service Bulletins Hi-Fi-7, Hi-Fi-8 and Hi-Fi-9. Related products National NC-44 NC44 Radio Receiver Manual $5.99 Add to cart National NC-183 NC183 Radio Receiver Manual $11.99 Add to cart National NCX-5 NCX 5 Transceiver Manual $11.50 Add to cart National Company the 600-Watt Transmitter HAM Manual $9.99 Add to cart