Tubelab - SE Power Amplifier - PCB

Price: 3,600.00INR
Ex Tax: 3,600.00INR
Brand:  diyaudiocart (DAC)
Product Code:  TubelabSE-PCB
Availability:  Out Of Stock
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The Tubelab SE (Singe-Ended) Power Amplifier - PCB


The Tubelab SE board is used for a “no compromises” amplifier that uses DHT tubes like the 45, 2A3 and 300B. It is used primarily for constructing a high end DHT amplifier. It is not uncommon for a user to spend $500 to $1000 USD for a complete amplifier, although it is possible to build an amplifier for lower cost. The Tubelab SE board was never intended to be a beginner’s level project.

The output tubes operate in fixed bias, requiring measurements, and adjustments on a live board. External connections to the PC board are made by soldering wires to the board.  

Useful Links:

Tubelab SE Design

Assembly Manual



  • High quality dual layer PCB
  • Built in PSU
  • PCB Size: 189mm x 134mm
  • PCB Thickness: 2mm


  • Best for high sensitive full range speaker's
  • Hi-Fi Stereo amplifier

Usage notes:

  1. This is only PCB and hence only users who are well versed in electrical/audio field should buy the product. It’s not a responsibility of the seller for any accidents/hazards arising out of improper /inexperienced usage.
  2. Single PCB is enough to build stereo amplifier.
  3. Connections are clearly marked on PCB and also in image. Do not interchange the wiring connections.
  4. Always use a Mains Bulb Tester (MBT) before powering on for the first time.
  5. Do not touch any part of the circuit unless the AC mains are unplugged and PSU is completely discharged.
  6. Never operate the amplifier without connecting speaker (load) to the output transformer.
  7. Please read the safety instructions and checkout procedure first before start assembling.
  8. Accidental contact with an energized circuit of this nature would likely be instantly lethal.
  9. Please contact us for components required to popuplate the PCB.

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