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DESIGN PHILOSOPHY
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1. Finishes - All exterior and interior metal parts are anodized. While paint may be more
impact resistant, the anodized surface is more resistant to solvents and prevents corrosion.
Moreover, the anodized parts' appearance can be enhanced by either graining or bead-
blasting the surface.
2. Circuit Board - Circuit boards are fiberglass epoxy with gold plating over a tin/nickel barrier.
This gold layer will not corrode, while the barrier plate prevents the gold from migrating to the
lower copper layer and detracting from its appearance.
3. Resistors - All are high reliability metal film 1% resistors.
4. Capacitors - All capacitors are of high quality. The only electrolytics used are in the power
supply where large numbers provide enormous filtering capacitance for the supply.
5. Semiconductors - There are no integrated circuits (IC) to be found in the circuit path. Very
high quality dual FETs are the only source of voltage gain and were selected for their superb
noise performance and precision matching. The remaining semiconductors are also of very
high quality, each possessing parameters ideally suited for the specific application.
6. Connectors - Coda employs a standard RCA configuration with a gold plated case. The
balanced connectors are Neutriks from Switzerland.
7. Wire - All signal wire has been eliminated whenever possible. Where wire is used, Coda
employs silver plated copper, 141 strand, 18 gauge wire with a silicone insulation.
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