ORIGINAL VINTAGE ACROSOUND ULTRA LINEAR OUTPUT TRANSFORMERS MANUAL

Acrosound Ultra-Linear Output Transformers Original 15 Pages Brochure

Acrosound Ultra-Linear II Assembly Instructions Original

ACROSOUND Ultra Linear Output Transformer Manual Reprint

Acrosound Ultra -Linear II 60 Watt Power Amplifier Kit Original 1 Page

Vintage 1980 The Linear Amplifier Planbook

Vintage Speakers Ultra linear UL5N Replacement NOS