• News April 2006

New product: Reference 300B-P Mono Block 300B Class A Push-Pull Power Amplifier

• News January 2006

New product: YSA100S Full Balanced Mono Block 100W tube power amplifier.

• News January 2006

All Symphonies series preamplifier change the output Impedance to 600ohm @ 1K Hz .

• May 2005

New product: BALANCED P1 Balanced Tube Phono preamplifier.

• August 2004

New products: Concerto Plus MC phono preamplifier.

The Symphonies Plus line preamplifier and Concerto Plus phono preamplifier up-grade to Latest Version .

• July 2004

The Symphonies line preamp and Concerto phono preamplifier up-grade to Latest Version.

• May 2004

New products: BALANCED A1 full balanced tube line preamp

• October 2003

The Music MK3 stop produce

• August 2003

The Symphonies line preamplifier up-grade the output caps for Solve the preamp work with the Classe CA-100 power amplifier kept going into protection mode ( The Classs CA-100 shutting down ).

• February 2003

The Concerto phono preamplifier up-grade the grounding lug for Solve the grounding lug was not properly terminated to the chassis.

• January 2003

New product: SOLO MC step-up amp 

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