Musica Bella Purity     Vacuum Tube Stereo Amplifier

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Response Audio introduces to you the Musica Bella Purity stereo vacuum tube amplifiers. The Purity is also available with a volume control. See below for details.

The Musica Bella Purity amplifier is voiced to offer a full, fast and accurate reproduction of the entire frequency range. Bass is deep, tight and authoritative. A clean, crisp yet lively midrange with an uncanny sense of air up top brings emotion back to your listening experience. The use of the highly praised design principles allows for unsurpassed detail, transparency and resolution while remaining true to the music. The Purity amplifier is very fast and musical, non-electronic and natural sounding with a deep, layered soundstage, along with a razor sharp 3-D image.

The Musica Bella Purity amplifiers utilize the advanced Modified Mu input stage utilizing the 12AU7 input stage. The Purity can run EL34, KT77, 6550 or KT88 output tubes for a respectable 50-60 watts. Biasing is a simple procedure taking only  minutes.

 All Purity amplifiers will be built into custom solid hardwood chassis that we will build in house. Standard chassis will be constructed of Bubinga, Cherry or Curly Maple. Other woods that can be used in any two tone combination, Two tone designs are available only by special order and may take longer to produce.

Any preamplifier can be used to drive these amplifiers including passive linestages. These amplifiers were designed and voiced around our Musica Bella Musicale and Purity tube preamps and are the recommended preamplifiers to be used with the Musica Bella amplifiers.

Standard chassis will be constructed of Bubinga, Cherry or Curly Maple.

Specifications:

  • Output Power: 50 watts (EL34) / 60 watts (6550/KT88)

  • 100K Input Impedance

  • 120 or 220 VAC, fuse protected

  • 4 and 8 Ohm output

  • Bandwidth: 13Hz to 80kHz  + 3dB; 0dB 50 or 60 W 1KHz

  • Input sensitivity: 500 mV @ 1kHz and 8 ohms (EL34)

  • Noise & Hum: 85dB below rated output

  • Distortion THD:  Less than 1% @ 50/60 watt output, 28Hz-15kHz

  • Circuit type: Ultra Linear, Class AB

  • Shipping weight: 55 lbs. average depending on chassis design.

  • Power requirements:120VAC 60Hz/220VAC 50Hz 180 watts-standby, 450 watts maximum

  • Fuse: 5A Fast-Blo

  • Warranty: 5 years parts and labor / 90 days on tubes

  • Dimensions: 20" x 7.5" x 3.5" (LxWxD) Approximate

  • Where to Buy

 

 

 

 

Custom Build To Order

The Purity amplifier is part of our custom build to order series of products. With this product, you will have the final say on how it looks and what features it will have.

 

 

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