WordPress WooCommerce Themes
Agency Brand

KR AUDIO
300B BALLOON 真空管

HK$5,400.00

Product Inquiry
Welcome to inquire if you have any product questions.

300B BALLOON

Maximum Plate Voltage
550 V
Maximum Plate Current
120 mA
Plate Dissipation
50 Watts
Va
450 V
Ia
100 mA
Vg
-90 V
Transconductance
6.2 mA/V
Amplification Factor
3.9
Filament Voltage
5 V (DC/AC)
Filament Current
1.2 A

Brand

KR AUDIO - CZECH

KR Audio is a European manufacturer specializing in the development of high-end vacuum tubes and audio equipment. Located in the heart of Europe, the Czech Republic, KR Audio specializes in the production of direct-heated audio triodes and premium audio equipment. All KR products are handcrafted, starting with the selection of glass, vacuuming and metal processing, glassblowing and design, chemical and electrical design, and the absolute refusal to use automated production lines. This is the reason for KR's uniquely high quality.