Mapletree SUGARMAPLE Black Buff User Manual

Mapletree SUGARMAPLE Black Buff User Manual

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Black Buff Amplifier
Users' Manual
Rev Oct. 22/16
Mapletree Audio Design
Al Freundorfer
R. R. 1, Seeley's Bay, Ontario, Canada, K0H 2N0
(613) 387-3830
www.mapletreeaudio.com
info@mapletreeaudio.com
© Copyright Al Freundorfer 2016
0

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Summary of Contents for Mapletree SUGARMAPLE Black Buff

  • Page 1 Black Buff Amplifier Users' Manual Rev Oct. 22/16 Mapletree Audio Design Al Freundorfer R. R. 1, Seeley's Bay, Ontario, Canada, K0H 2N0 (613) 387-3830 www.mapletreeaudio.com info@mapletreeaudio.com © Copyright Al Freundorfer 2016...
  • Page 2 The Mapletree Audio Design Black Buff Amplifier represents a high performance development of an octal-based buffer amplifier that uses the 6SN7/5692 or 12SN7 and is based on the cathode follower from the Mapletree Audio Line 2 and Ultra 4 pre-amplifiers. Premium components include metal film resistors and polypropylene film capacitors.
  • Page 3 Black Buff Tube sound control Min. Tube sound: Full Counter- Clockwise Max. Tube sound: Full Clockwise When turning the knob allow the bias to settle, approximately 3 seconds, before critical listening. Normally Power Switch after turning the knob the output would sound quieter with volume slowly increasing and improving in clarity.
  • Page 4 Controls The Tube sound level controls the amount of tube sound is added to the audio from input to output when the selector switch is set to Black buff mode. When turning the knob allow the bias to settle, approximately 3 seconds, before critical listening. Normally after turning the knob the output would sound quieter with volume slowly increasing and improving in clarity.
  • Page 5 Warranty Tubes are warranted for 90 days exclusive of shipping cost. Back 6SN7 or 5692 Front Additional Notes This manual is an aid to the user for the operation of the Black Buff. Details of the amplifier and power supply circuits are subject to change without notice so as to achieve the best possible performance.
  • Page 6 MAD Black Buff Specifications Frequency response at 0.2 Vrms output into 4.5k, 10k and 25k Ohms load: 4.5K Ohm Load 10 K Ohm Load 25 K Ohm Load 1000 10000 100000 Frequency [Hz] 1Vrms output at 1 kHz: 10K Ohm load predominately 2 order distortion.
  • Page 7 MAD Black Buff Headphone Amplifier Version: 4 © Copyright Al P Freundorfer 2016 Rev. Oct. 2016...

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