High End Design Since 1996


NEW: Lusso 17 Purest Edition Reference Tube Preamplifier

The new Lusso 17 takes are already established Lusso twin chassis, dual mono, balanced tube preamp up several notches. Contact us for special introductory special.  <Lusso 17


The Musica Bella products are quickly becoming known as having exceptional performance to price ratio. What you are getting is custom "built-for-you" true reference level audio products at direct from the manufacturing prices. All products designed and made in the USA.

Let Response Audio NY design and build some of the most important components in your audio system, we have been custom building vacuum tube preamplifiers, amplifiers and tube buffers for 20 years. Our custom design products can now be found in some of the most exotic systems around the globe. We build to your needs, your preferences and your budget. 

PLEASE NOTE:  PLEASE NOTE:  Purity Audio Design will soon take over Musica Bella Audio. The new Spirit and Lusso 17 preamplifiers will carry the Purity name. The Master 26 SET preamplifier and Ibrido hybrid amplifier will remain Musica Bella products. Purity Audio Design products will be found on this website till the new Purity Audio Design web site is completed. Please visit the Current Purity Audio Design Web Site to see all the reviews, show reports and additional information.

                           <See All The Details>

Response Audio is celebrating 20 years of providing the discriminating audiophile and passionate music lover with top quality tube audio design. Check out our limited Anniversary Edition products.              
See our Anniversary Edition models 

Internally we have switch over to the Dynamicap output capacitor to provide fullness and body while still retaining exceptional detail and clarity. We have now included two sets of inputs allowing you to hook up two of your sources. The Segue can still be used between preamp/processor and power amplifier or installed within a tape loop of your receiver. 

Special introductory price $1,100  <FULL DETAILS>

Segue Vacuum Tube Buffer

The Segue has been a staple product in our lineup for several years. New for 2017, the Segue has undergone a few enhancements. A new 1/8" thick brushed aluminum chassis is now standard.