National Horizon 10 HiFi Amplifier Manual $8.99 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-183 NC183 Radio Receiver Manual $11.99 Read more National NC-44 NC44 Radio Receiver Manual $5.99 Read more NATIONAL HRO Communication Receiver Manual $10.49 Read more National NTX-30 Radio Transmitter Manual $9.99 Read more