Package Include

1. EL34 SE Tube Amplifier Kit (Stereo) - without tubes
2. Assembly Manual

INTRODUCTION

This kit employs commonly used pentode EL34 vacuum tubes for the class A output amplifier with 6SN7 as input stage. The 6SN7 tubes formation of two cascading stages which are configured in common-cathode and cathode follower. The output power can reach 10W for each channel. A rectifier tube 5AR4 is used for power rectification and then followed by a 10H 250mA choke for noise filtering. 

 

FEATURES

·          Use two EL34, two 6SN7 and one 5AR4 tubes.

·         The first two stages use triodes of 6SN7 which are configured as common-cathode and cathode follower.

·         The output stage uses one EL34 tube configured as class A amplifier with single-end output.

·         Output power can reach 10W for each channel.

·         Built-in rectifier and LC noise filtering circuitry.

·         Symmetrical layout design in signal paths for both channels.

·         Dedicated ground and power rails layout design.

·         Two large reservoir decoupling capacitors for power rails.

·         Power requirements: two 260V AC (100mA), one 5V (2A) and two 6.3V AC (1.5A)

·         PCB dimension: 218mm (W) x 132mm (L)

·         PCB thickness: 2.4mm, double layer, 2oz copper.

Option
1. Toroidal Power Transformer T110 x2

2. Choke 10H 250mA
3. Single-ended Output Transformer S15 0-2.5-3.5-5K:0-4-8Ohms Pair