Mapletree Audio Design
Super Stealth Monobloc Power Amplifier



  • Compact, light-weight, flexible configuration for mono, stereo, or multi-channel applications.
  • Clean 8 W output using Class AB ultra-linear push-pull circuit topology.
  • Tube lineup: 12SJ7, 12SC7, 2 x 6V6GT. Can be re-tubed for under $30. 
  • Ultra high speed recitifier diodes for low noise power supply.
  • Input level control permits direct connection to line source.
  • High quality components are used throughout: metal film resistors, polypropylene film capacitors, and Hammond power and output transformers. 
Specifications: Maximum undistorted power output: 8 W. Frequency response at 5 W output: 20 Hz–20 kHz, -1 dB. Input resistance: 100 kOhms. Output impedance: 0.1 Ohms. Sensitivity: 0.5 V for full output. Gain: 24 dB. Output noise: 0.25 mV. Configurable for 4, 8, and 16 Ohm speakers. Dimensions: 7" x 12" x 6". Power consumption: 25 W. Available for 240 VAC 50 Hz at slightly higher cost.

Email enquiries to Lloyd Peppard at info@mapletreeaudio.com or phone (613) 387-3830