Purity Audio Design 'Basis mkII" Class A Tube Linestage - Remote Volume Demo w/warranty

This is a demo unit in the original painted aluminum chassis and laser engraved Acrylic front panel. Features the choke filtered, full polypropylene power supply and high current toriodal transformers. Alps Blue remote volume supplied by Bent Audio. 4 RCA inputs, 2 RCA outputs. Full 1 year parts and labor warranty. This is the last of the acrylic chassis Basis mkII preamplifiers. Will come equipped with Russian 6SN7 tubes.

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The 'Basis mk2' provides a silky smooth, clean, dynamic presentation with low distortion using a Class 'A' zero feedback circuit providing a low output impedance and high input impedance. If you have never heard the virtues of a 6SN7 based preamp, especially one designed by Purity Audio Design, you do not know what you are missing. Don't let the affordable cost or simplistic design of the Basis MKII fool you, this is a piece that is very much at home in the most elaborate audiophile systems and decors. This affordable tube preamplifier maintains the dynamic quality of all types of music. You have the option of running 6SN7 tubes or with our adapters, you can run 12AU7 type tubes with no more than simply installing the adapters.

Specifications:

Circuit: Class A zero feedback
Freq. Response: 20Hz-- >750kHz
Input impedance: 50K ohms
Output impedance:
17dB
Output impedance:
High Gain - 450 ohms
Phase: Inverts
Tubes: 2x 6SN7 or 2x 12AU7
Size: 16.25" W x 12.25" D x 3" H
Net Weight: 13 lbs.