300B SET

The 300b amp

• Zero Negative feedback
• First and foremost Single Ended Triode
• No-Electrolytic Capacitors used in the amp
• Interstage Transformer
• A high quality PromitheusAudio Interstage transformer is used to couple the D3A to the 300B
• Oversize PromitheusAudio output transformers made with M6 core·       
• Oversize PromitheusAudio power transformers made with M6 core
• Choke Supply made with M6 core
• DC choke supply for 300B for low noise
• Tube rectifier
• Mundorf Tube Capacitor (polypropylene capacitors) for Power supply, making the amp fast and lively.
• Mundorf Mcap For Tube Bypass
• CMC Bakelite Sockets with Gold Plated OFC contacts
• Point-to-point wiring
• Allen Bradley resistors
• Wiring is 7N copper wires
• Tubes used are TJ300B, Siemens D3A, Tungsol 5R4

Technical specs of the amp

Frequency response measured at 10 Watts 17Hz to 42Khz -3db

Power output is 10 watts nominal and maximum power is 18 watts 10%

47K Input Impedance

8 Ohm Output (4,16 Ohms upon request)

120 or 230 Volts, Other voltages upon request.

Tubes included TJ300B, Tungsol 5R4, Siemens D3A

Shipping weight 90lbs in 2 boxes

Dimensions: 10" W, 13" D, 7.5"H

Each of our amps are custom hand made and would take 4 to 8 weeks for build time. Our transformers are hand wound upon order. Any customization is possible as our transformers are specifically design for individual needs and a not off the shelf transformers.

 USD2570 Promitheusaudio 300B Amplifier

Shipping charges

United States, Japan, Asia, Australia USD235

              Rest of European Union countries USD440

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