Yamaha C-4 Preamplifier (1978)
The C-4 preamplifiers characterized by the use of high quality components. The properties are responsible for the Yamaha "Natural Sound" at its time and until today. There's a comprehensive phono section with two MM and one MC input with variable sensitivity / impedance matching standard until today. The tone control with transition selection offers plenty of options for sound adjustment. 2 amp outputs make it a universal preamplifier.
This one is for sale - contact us for details. Price: $325
Harman Kardon Citation Seventeen S Preamplifier
The HK Seventeen S preamplifier was the last preamp made by Harman Kardon before the sale to the current owners, Beatrice Ford, and was the last piece that was made in the USA.
The volume pot is a 32-step / fixed-resistors attenuator while the headphones is fed by the connected power amp's loop through, allowing direct speaker selection from the Seventeen as well. Reaction to square waves is exemplary and the phono stage is difficult to overload.