AmpOhm Audio Capacitors - SOLD
2 pieces - 2.2uF/630V Polyester in Oil - Aluminum Foil (NEW)
2 pieces - 2.2uF/300V Paper in Oil - Aluminum Foil - (Used)
3 pieces - 24.0uF/630V Metalized polypropylene - (NEW)
Shown next to 12AU7 - $80 all 7 pieces shipped

Musca Bella Custom Spirit Class A Tube Linestage

with Bluetooth, Balance Control and Bass, Midrange, Treble Tone Controls


Custom built for a customer who decided to go another (another custom built Spirit). Originally equipped with a phono stage which has been removed. Some additional holes inside the chassis no longer being used. 

This piece utilized a power supply using Black Gate filter capacitors with increased capacitance. Clarity Cap coupling capacitors.

Bypass switch to remove tone control circuits but leaves in balance control.

3 sets single ended inputs plus Bluetooth (4th input). 2 sets single ended outputs.

Circuit: 12AU7 Class "A" zero feedback, Stage Gain: 15.5dB, Input Impedance: 100k ohms, Output Impedance: 1k ohms, Phase: Inverts, Frequency: 15Hz->1MHz, Fuse: 1.0A Fast, Voltage: 110V-120V 

 Custom Musica Bella Segue Tube Buffer - SOLD

  Additional pictures below

Ready to ship. Single ended .This has everything our Segue buffer normally contains exvept it has been built into a painted aluminum chassis. 100% new Segue in an affordable package.
Elna Cerafine power supply filter caps, toroidal power transformer, separate transformer for regulated tube filament supply. This is the transformer placed on top of the chassis. One set each single ended input/output. Clarity Cap ESA output capacitors.
Output impedance 90 ohm. One 6922/6DJ8. Price $210.
If interested or know someone who is, please contact me

Class A Tube Preamp 

Series - Spirit
Price:  $1,790

Last Spirit preamplifier to be build for a while. This one includes a tube MM phono section with about 55dB total gain.

​​Specials, Previously Owned, Clearance

Please Contact Us if you are interested in any product found on this page.

Please Scroll To Bottom Of Page For Newest Additions

Home Grown Audio - 56 pieces
LOK Suregrip Spade Connector, gold 4mm

- 4mm hole for cable

- non-corrosive thick gold metal plating
- will never dull
- screw type fasteners for easy on/easy off
- spade will not slide due to grip pattern on fork

- Reg. $6.25 ea.

- Selling $165 for all 56 pieces ($3.00 ea.)

IMPORTANT NOTICE - October 2018 -Response Audio will be producing a final run of our Spirit Tube Linestages and Segue Tube Buffer and Segue Tube Buffer/Preamp before taking a short hiatus to focus on other designs for Purity and another company. For pieces currently available for shipping, please visit our Custom Builds Page. If you would like a custom Spirit or Segue built for you, please take a look at the web page for the model you are interested in and contact us for pricing.

Seling Price: $790 with 1 year parts and labor warranty.​​

Solid state power supply with high current toroidal transformer.
Power supply is choke filtered, Plate choke on each 300B tubes, Pete Millett regulators for each 300B's filament (one per tube), Each 300B has a high end Raven Audio Teflon capacitor across the filament pins, Clarity Cap acrylic encapsulated coupling capacitors bypass with film capacitor and Raven Audio Teflon capacitor., Alps Blue volume control
Preamp/Buffer switch (bypasses volume control)
4 single ended inputs
2 single ended outputs
Output Impedance: 90 ohms

Please contact us with any questions comments or concerns you may have prior to purchase.h here.

Model JSD JM-608. Midrange 6-1/2 

Made in California

Total of 8 drivers - Brand new in box


$65 for all 8 drivers + shipping

​Credit Cards accepted

Anaview AMS1000-2600-F

This Swedish Amp is less than 1 year old. Used as a test amp with less than 100 hours. Comes with cable sets seen in picture.  Asking $300 shipped.

​2x500Wrms into 2Ω
2X300Wrms into 4Ω
2x170Wrms into 8Ω
900Wrms BTL into 4Ω @ 1% THD
Patented AMS (adaptive modulation servo) amplifier technology
14.5kohm input impedance
Almost flat THD vs frequency
115dB dynamic range
Meets ErP and Energystar

Purity Audio Design - Basis MK2


Details: Custom power transformer custom designed for Musica Bella Audio for the LeAnna/Spirit preamplifiers. All JJ Electronic power supply capacitors. Seperate PS output stages for each the phono and line. Each section utilizes a dedicated regulated filament supply which is feed by seperate taps of a high current toroidal transformer.
Line stage uses high quality acrylic encapsulated Clarity Cap CMR cpacitors as can be seen in photo.
Phono stage uses Sonic Craft capacitors for a clean presentation.
Alps Blue volume control - 4x RCA inputs - 2X RCA outputs - HT Bypass not implimented (yet). - Line - 2x 12AU7 tubes - Phono - 1x 12AX7, 1x 12AU7 - 2 years parts and labor warranty - Please contac us for additional imformation - - Shipping to the lower 48 included.

Purity Audio Design
Master Reference
Balanced 300B/6SN7

Your chance to own the only Master Reference to be built under the Purity Audio Umbrella. We have taken our praised Harmonia 300B buffer stage and integrated as the input stage of our award winning Reference linestage. Available in single ended and balanced versions       [DETAILS]

You are looking at a custom built Purity Audio Design Basis MKII Class A tube preamplifier. The Basis mkII was a very popular preamp a few years back. This one was custom built in a solid Maple hardwood twin chassis. I have been personall holding on to this unit for nostalgic purposes but its time to thin out some products from my collection. 

The Basis mkII is a Class A design employinh the 6SN7GTB tubes.(This piece will come with a pair of NOS GE 6SN&GTB Coin Base/Clear tops). This Basis mkII performs well aboout its original selling price of $4,200 (without remote volume) This piece provides exceptional detail, resolution, transparency and a sound stage you can walk into with a black as midnight background

Features: Twin chassis solid Maple - High current toroidal transformer - high grade solid state power supply with Panasonic ED capacitors - regulated DC filament supply - Alps Blue volume control - Clarity Cap capacitors - Cardas RCA connectors - HT Bypass - Relay based input selector with LED indicators - 4 Single ended inputs - 2 single ended outputs - one set HT bypass.

Specifications - Gain 17dB - Input impedance 100k ohms - Output impedance 450 ohms - Phase: inverts - Size: 8-3/4" W x 11" D x 6-3/4" H

Award winning Balanced Tube Linestage
This is the LAST Purity Reference series linestage to be built. This is your chance to own this highly regarded unit. Several options are available in this custom built for you preamplifier. 
Regular price $tarting at $14,995 - Contact us for your custom built price


Musica Bella Custom 

SOLD What you are looking at is a scalled down, non production version of the Purity Audio Design Harmonia 300B vacuum tube source buffer but with the addition of a 4 input relay based source selector and volume control. By scaled down, this means it is a single ended unit only and built into one of our remaining Musica bella Spitit linestage chassis. This is not a prototype.
We are considering bringing this model to market this summer after having chassis' designed.

The Harmonia BP is designed as a 300B buffer output stage for any source component. Can also be used as a preamp to be used into a power amplifier but may cause noise in higher effeciency speakers. See details below.

DETAILS: Price does NOT include 300B tubes or power cord. Shipping included to lower 48.
2 years parts and labor warranty

​$1,600  includes shipping to lower 48 - SOLD

Musica Bella LeAnna Twin Chassis with our most advanced power supply, the VTPS - SOLD

This is anther piece from my personal collection. Never used.
Twin chassis Musica Bella LeAnna Class A tube preamp with our best selling power supply, the VTPS. The VTPS is a choke input design specifically built around the Sophia Electic 274B.

- twin chassis Class A circuit
- transformer coupled balanced outputs
- choke input power supply designed for the ultimate 274B rectifier (picture shown below with Sophia Electric 274B Rigid Plate)
- regulated dc tube filament supply
- V- cap OIMP coupling capacitors
- V-Cap TFTF Teflon bypass capacitors.
- top quality internal components
- high/low gain switch
- Alps Remote Volume Control
- HT bypass 
With all the updates and upgrades included in this piece, original selling price was $4,500. This is a brand new piece and as you can see in the photos, top plates haven't even been taking out of the wrapping. Full 2 year parts and labor warranty applies.

Optional setup: With remote volume and transformer coupled balanced output: Inquire

Please contact us for more information, details and specs.

Purity Audio Design - Reference - Class A balanced tube linestage

Musica Bella Segue MK3 Vacuum Tube

Regular Selling price $1,999 -- Selling $OLD

Full balanced input/output

Transformer coupled single ended inputs/outputs - Remote Volume with Mute from Bent Audio - HT Bypass - Buffer-Preamp switching - 2x high current toroidal transformers - dedicated transformer for tube filament supply and remote - Regulated DC filament supply - Relay based input selector - higher end input/output transformers - NOS ECC88
Two year parts and labor warranty - Shipping Included

This fully custom Segue was built for a customer who ended up needing an active preamp. This piece is fully balanced with transformer coupled single ended inputs and outputs as well as remote volume w/Mute from Bent Audio.

Specifications can be found on theSegue Page

Musica Bella - "All Out" Segue Balanced Tube Buffer/Preamp

Retail Price SOLD

This <Custom> was just finished and tested.

Class A 12AU7 circuit./ High current toroidal transformer / Polypropylene filter capacitors / Ultra Fast Fairchild diodes / Regultaed DC filament supply / Top line Clarity CMR capacitors / 4 single ended inputs (1 XLR non balanced) / 2 single ended outputs (1 XLR non balanced) / Alps Blue volume (non remote)