Product Lineup

Back to Our Roots

At Response Audio, we believe that music is an essential part of life. The founder, Bill Baker (thats me) started Response Audio in the fall of 1996. Beginning in 2007, a good friend and I started Purity Audio Design where I have been since the beginning. In the spring of 2024, my partner wanted to go into high end retail and I wanted to continue building so we decided to go separate ways in regard to business. Some of the products now found on this web site are either trickle down or enhanced versions of the products I designed for Purity Audio Design and have now found a new home here at Response Audio.

Foundation - The Custom Series

The Foundation Series offers audiophile performance at affordable prices. The Foundation series can be custom built to order with many options and configurations available. Serious contenders in any arena.

Maestro Series

The Master Series represents Response Audio's continued quest for the ultimate aural experience. Several years or R&D have gone into these products to assure the end user's musical Nirvana.

Foundation Custom Series Preamplifiers 2025

Harmonia v4 DHT Source Output Stage. 45/2A3/300B. One of the most unique products in the industry

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Temporarily out of stock

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Details

Foundation v3 Tube Preamplifier utilizing the 6922 dual triode w/Tape Loop - Customizing available

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Details

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Details

Foundation SN Linestage. Simple and elegant preamplifier utilizing the 6SN7 in the same topology as the Foundation v3. With tape monitor loop.

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation SN Linestage. Simple and elegant preamplifier utilizing the 6SN7 in the same topology as the Foundation v3. With tape monitor loop.

Temporarily out of stock

Raven Audio

Raven Audio Avian MK3i 20/30 wpc 6L6 Integrated Amplifiers. Blackhawk/Osprey MK3.i

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Details

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Details

Maestro Series

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

More To Come

The Master DHT Preamplifier. 45/2A3 and 300B compatible.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

More To Come

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Sold Out

Last Chance. Custom design version of the original Purity Audio Design Statement.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Sold Out

Musica Bella
by Response Audio

Product Line-up

Back to Our Roots

Foundation Custom Series Preamplifiers 2025

Harmonia v4 DHT Source Output Stage. 45/2A3/300B. One of the most unique products in the industry

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Foundation v3 Tube Preamplifier utilizing the 6922 dual triode w/Tape Loop - Customizing available

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation SN Linestage. Simple and elegant preamplifier utilizing the 6SN7 in the same topology as the Foundation v3. With tape monitor loop.

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation SN Linestage. Simple and elegant preamplifier utilizing the 6SN7 in the same topology as the Foundation v3. With tape monitor loop.

Raven Audio

Raven Audio Avian MK3i 20/30 wpc 6L6 Integrated Amplifiers. Blackhawk/Osprey MK3.i

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Maestro Series

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

The Master DHT Preamplifier. 45/2A3 and 300B compatible.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Last Chance. Custom design version of the original Purity Audio Design Statement.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Product Line-up

Back to Our Roots

Foundation Custom Series Preamplifiers 2025

Harmonia v4 DHT Source Output Stage. 45/2A3/300B. One of the most unique products in the industry

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Foundation v3 Tube Preamplifier utilizing the 6922 dual triode w/Tape Loop - Customizing available

Harmonia Jr. DHT Linestage/Output stage. 45, 2A3, 300B compatible. Shared chassis with the Spirito 2A3.

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation SN Linestage. Simple and elegant preamplifier utilizing the 6SN7 in the same topology as the Foundation v3. With tape monitor loop.

Foundation Spirito 2A3 Linestage. Simple and elegant DHT Linestage utilizing 6SN7 input and 2A3 output stage. See Your Music! Designers Choice!

Foundation SN Linestage. Simple and elegant preamplifier utilizing the 6SN7 in the same topology as the Foundation v3. With tape monitor loop.

Raven Audio

Raven Audio Avian MK3i 20/30 wpc 6L6 Integrated Amplifiers. Blackhawk/Osprey MK3.i

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Raven Audio Blackhawk SE MK3i - 20 wpc 6L6 Integrated Amplifier - Authorized Upgrade - Fresh Build to order- Mundorf Model

Maestro Series

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

The Master DHT Preamplifier. 45/2A3 and 300B compatible.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Master Single Ended 45, 2A3 and 300B mono bloc and power amplifiers.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Last Chance. Custom design version of the original Purity Audio Design Statement.

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

Bringing back the Purity Audio Design Reference Linestage Design - Very limited availability

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