Custom Update: A while back, Response Audio/Musica Bella announced on our website that after 20 years of offering custom builds, we would no longer be accepting orders for customized orders on our Spirit and Lusso tube linestages. After receiving countless emails from new and long time customers, we realized the custom options on our products is what our customer expect and want from us. 
That being said, we will be updating our web site over the next few days and WILL be offering upgrade and custom options on our products.

 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. 


Purity Audio Design - 2017

  • Reference mk4 Tube Preamp - Spring 2017
  • ​Harmonia 300B buffer -current model
  • Master - ​300B preamplifier - Spring 2017
  • Hybrid Power Amplifier - current model

Musica Bella Audio - 2017





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 Lusso.              
See our Anniversary Edition model 

Purity Harmonia 300B Tube Buffer

The industry's first and only vacuum tube buffer stage designed around the 300B DHT  [DETAILS]

Lusso Class A Balanced Linestage

Couple weeks left to save on our top line preamplifier. Available with either the DMPS (dual mono power supply) shown above or the VTPS (vacuum tube power supply) shown below. Also now available with either our 12AU7 or 6922 circuit. Only $4,800 till May 1st. 2017

​[FULL DETAILS]



YouTube Videos - Purity Audio Design
See Purity Audio Design in various High End Audio Shows pairing with other exceptional manufacturers including Bob Carver, ModWright, Daedalus, Lampizator, King Sound, Vapor Audio and more. 
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Purity Audio - Statement Ultra GT Silver 

The Statement Ultra GT Silver is a world class preamplifier utilizing all silver input/output transformers, all silver primary and secondary autoformers (for volume & gain) and Duelund cast capacitors with built-in silver foil bypass. Own the last unit to be built.

​Reg. Selling price $65,000 / Your price $45,000


Spirit Class A tube linestage - Save 20% on first 6 pieces of the new 2017 chassis model.   DETAILS