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Frequently Asked Questions: – Bias Adjustment Procedures – Why choose Vacuum Tube Amplifier?

AUDIO SPACE ACOUSTIC LABORATORY LTD. Email: admin@audio-space.com Webpage: www.audio-space.com   Sham Shui Po Showroom 1/F, 151 Apliu Street, Sham Shui Po, Kowloon, Hong Kong Tel: (852) 2729 7271 / 2781 1687 Fax: (852) 2307 9476 Opening hours: Mon-Wed, Fri-Sun 10:00-19:00 Closed: Thur   San … Continued

12AX7 : 12AX7WA, 12AD7, 5751, 6057, 6681, 7025, ECC83, ECC803… 12AU7 : 12AU7WA, 5814, 6067, 6189, 6680, 7318, 7730, ECC82, ECC802, ECC186… 6DJ8 : 6922, E80CC, E88CC… 12AT7 : 12AT7WA, 6060, 6201, 6679, 7316, 7728, 7730, ECC81, ECC801, ECC85, 6AQ8… … Continued