Advertisement
Table of Contents
Advertisement
Table of Contents
Related Manuals for Mapletree Super Stealth
Summary of Contents for Mapletree Super Stealth
- Page 1 Super Stealth Monobloc Power Amplifier Users' Manual Rev. Apr. 29/12 Mapletree Audio Design Lloyd Peppard R. R. 1, Seeley's Bay, Ontario, Canada, K0H 2N0 (613) 387-3830 info@mapletreeaudio.com http://www.mapletreeaudio.com © Copyright Lloyd Peppard 2002-12...
- Page 2 Introduction The Mapletree Audio Design Super Stealth Monobloc Vacuum Tube Power Amplifier provides 8 W of clean output power within a compact chassis and offers a number of desirable features: ? ? The exclusive use of high quality new old stock (NOS) and current production tubes that can be obtained at modest cost from many suppliers.
- Page 3 Adjustments____ Level control (optional) – The sensitivity of the Super Stealth is 0.45 V to produce full power output. For some high-output preamps, it may be advantageous to reduce the input level in order to shift the preamp volume control nearer the mid-position for normal listening.
- Page 4 Specifications___ Tube complement: 12SJ7, 12SC7, 2 x 6V6GT matched pair Rectifier: solid state with ultra high-speed silicon diodes Output configuration: Class AB ultra-linear push-pull with self bias (6V6GT matched pair recommended) Phase inverter: cathode-coupled Heater supply: dc heater voltage for all tubes Rated power output (8? ): 8 W Frequency response at 2 W output: 20 Hz–20 kHz –0.5 dB Frequency response at 5 W output: 20 Hz–30 kHz –1 dB...
- Page 5 Mapletree Audio Design Super Stealth Monobloc Power Amplifier © Copyright Lloyd Peppard 2004-12 Rev. Apr. 29/12 6V6/6V6GT +300V 0.047/400 12SC7 +293 V 1K MF Pin 6, V3 12SJ7/12SJ7/GT +245 V +76 V 3.57K 150K 0.047/400 0.1/400 470K 8000:8? /10W +55 V...
- Page 6 12SJ7GT. The 12SC7 is electrically equivalent to a 12SL7GT but with a common cathode shared by the two triodes. It is especially well suited to the phase splitter role in the Super Stealth. There is no substitute for this tube nor is there a glass version. Super Stealth tube layout...
Need help?
Do you have a question about the Super Stealth and is the answer not in the manual?
Questions and answers