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Classic and Rare Loesch & Wiesner Phono / Linestage Preamplifier

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Triode Pete:
This is the classic Loesch & Wiesner phono stage and line stage. Hand-built, point-to-point wired, by Radio & Electronics genius John Wiesner, in a custom, powder-coated chassis. Powered with two (mono) General Radio 1201-B tube regulated power supply units. This bespoke preamp uses two 5842/417A (Western Electric) tubes, two 6GK5 (Mullard) tubes and two 5687 (Raytheon) tubes! Has noise-free battery bias along with resistive phono loading. Military grade power connectors provide solid power inputs! The unit is flawless and very high quality parts were used throughout its construction.

Being a tweaker’s dream, the last stage tubes (5687) can be substituted with 6DJ8, E88C, 6900, or similar variants! This will enable the listener to “fine tune” the sound to his or her personal taste. This can compensate for anomalies in the listening room or for differences in music or source. Choose a more aggressive sounding tube for rock, a more refined sounding tube for classical.

Extremely rare on the used market, this is John Wiesner’s personal preamp. Since he does not listen to vinyl any longer, he has decided to sell this renowned preamplifier.

Asking $2500 or best offer, which includes shipping (2 separate boxes - power supplies & control unit) within the USA only. Please PM with questions. Will be shipped from John Wiesner's Electronic Shop in Clifton Park, NY.

P.I.:
Great looking build work, Pete!  He does nice work.

rollo:
  Yes He does. The only one that beat this out cost 26K.  Someone buy this.


charles

jimbones:
Nice build quality. Was he formerly in the defense field? Looks like it was built by someone that work in Mil Spec. I love that since I came from the defense industry.

Triode Pete:

--- Quote from: jimbones on July 29, 2020, 02:21:58 PM ---Nice build quality. Was he formerly in the defense field? Looks like it was built by someone that work in Mil Spec. I love that since I came from the defense industry.

--- End quote ---

He was schooled as an electrical engineer in the U.K. and was trained by the U.S. military on proper layout & soldering techniques... I have NEVER seen better solder joints!

You should see his antique radio collection... All look brand-new (restored by him)...

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