Analog Metric 2A3 User Manual page 2

INTRODUCTION
INTRODUCTION INTRODUCTION INTRODUCTION
This kit employs commonly used triode 2A3 vacuum tubes in push-pull configuration.
The first two stages uses pentode 6SJ7 (6J8P) for pre-amplifying and twin-triode 6SN7
tubes for phase splitter. The AC voltage is rectified by 5U4G/5Z3P rectifier tube. The
output power can reach 15W for each channel. This amplifier can be configured either
open loop gain or close loop gain. Optional chokes are left for DIYers' preferences.
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2A3 Push-Pull Push-Pull Tube Tube Amplifier
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Analog Analog Metric Metric
Analog Analog Metric Metric