Mapletree Audio Design Ultra 4a

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Mapletree Audio Design ULTRA 4A SE Preamplifier (Tube ...

http://mapletreeaudio.com/resources/PMreview.htm

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Amp/Preamp Asylum: Mapletree Audio Design ULTRA 4A SE ...

https://www.audioasylum.com/cgi/m.mpl?forum=amp&n=79451&highlight=

Mapletree Audio Design ULTRA 4A SE Preamplifier (Tube) Sure looks like its a nice preamp with phono. I've been considering going that route and was looking at Jolida and some others as seperates. For one price looks like this preamp has it all without an expensive interconnect cable. I wonder how it compares to others.

Welcome to Mapletree Audio Design

https://mapletreeaudio.com/

Mapletree Audio Design offers a unique range of products designed and hand crafted by Dr. Lloyd Peppard and Dr. Al Freundorfer, both electrical engineering professors. Our goal is to foster the enjoyment of recorded music through the use of vacuum tube amplification and signal processing, offered at a reasonable price.

REVIEW: Mapletree Audio Design ULTRA 4A SE Preamplifier ...

https://www.audioasylum.com/forums/amp/messages/7/79371.html

I purchased my Ultra 4ASE used. At the asking price of $720.00 US new, the Ultra 4A SE is a gift. The thing that attracted me to Mapletree Audio was that Dr. Lloyd Peppard is both an audiophile and an engineer.