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Brute Force In A Line Stage
The need for a high-gain stereo preamp has diminished, because the CD has replaced the LP record in most audiophile homes.
1. All tube, no semiconductors if possible; 2. No electrolytic capacitors, if possible; 3. Best possible insulation materials; 4. Best possible tube types without resorting to rarities; 5. Regulated power supply; 6. Low output impedance without iron to drive 600 load; 7. Sufficient voltage gain of 10-20; 8. No feedback, stable, minimalistic.