Sophia Electric Classic II 300B Tubes
Sophia Electric Classic II 300B Tubes
Sophia Electric is excited to announce the launch of a new magical sounding Classic II 300B tubes for the audiophile community. Over 6 years in the making and multiple voicing revisions, Richard is ready to release a new Sophia Electric product with a signature magical sound.
Three color options are available for the Classic II 300B tubes: clear glass with white ceramic base, clear glass with black base, and blue glass with blue ceramic base.
Sophia Electric Classic 300B Vacuum Tube Specification
| Filament voltage | *5.0V |
| Nominal filament current | 1.2A |
| Plate voltage | 300V |
| Grid voltage (AC filament) | **61V |
| Grid voltage (DC filament) | ***58V |
| Plate current | 60mA |
| Plate current | 62.5 mA |
| Grid to plate transconductance | 5700 ohms |
| Amplification factor | 3.85 |
| Grid current | 0.05 uA |
| Plate resistance | 700 ohms |
Limiting Operation conditions for safe operation-nor simultaneous ratings:
| Maximum plate voltage | 450 volts |
| Maximum plate dissipation | 40 watts |
| Maximum plate current of average tube for fixed grid bias | 70 ma |
| Maximum plate current for manually adjusted grid or self-biasing circuit | 100 ma |
Price :
Option 1: $999.99 per Grade A matched pair with one year warranty.
Option 2: $899.99 per Grade A matched pair with 30 days warranty.
Option 3: $799.99 per Grade B matched pair with one year warranty.
Option 4: $699.99 per Grade B matched pair with 30 days warranty.
Returns & Support
We want you to love what you buy. If you're not satisfied, we accept returns within 30 days of delivery for items in original condition. Contact us before returning at info@mimic-audio.com.
Have questions before you buy? Reach us any time:
- Email: info@mimic-audio.com
- Discord: discord.gg/mimicaudio
- We're available near 24/7 for questions on any order or product.
Free 2-day shipping on all US orders over $250.
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