For sale is reprint of EICO Model HF-12 12 Watt Integrated High Fidelity Amplifier Operating/Assembly Manual . Manual is 12 Pages long, Assembly Instructions are 16 pages long. Manual includes part list and Circuit Diagram. Most of HF-12 Amps were sold as kits. Assembly instructions contain part list and assembly diagrams.  Real Paper Manual. Quality Printed and Comb Bound. Printed from available copy or scanned from original at 600dpi, restored in Photoshop, Laser printed on premium acid free paper, they will serve for years. Most manuals Include Circuit Diagram. Cover page printed on Cover Stock.