Audio Analyse MK2 - B90 Solid state power amplifier
05
days
03
hours
24
minutes
28
seconds
Current bid
€ 100
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Selected by Ariel Cabello
Holds dual bachelor's degrees in electronics and physics with 20 years in audio engineering.
Estimate € 600 - € 750
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Audioanalyse B90 power amplifier, model B90 (MkII), manufactured in 1980 by Audio Analyse MK2, in very good physical condition and fully functional, includes connecting cable; dimensions 48 cm wide, 11 cm high, 28.5 cm deep; weight 10 kg.
AI-assisted summary
Description from the seller
The Audioanalyse B90 is a famous vintage French high-fidelity power amplifier, known for operating in pure class A at low powers and switching to class AB for higher power. It is not a speaker, as your question might suggest.
Technical Specifications
The Audioanalyse B90 (including the MkII version) is a versatile and robust power amplifier. Its main features, based on sources such as Rehifi and hifiengine.info, are:
Output Power: operates at 2 x 20 Watts in pure Class A and increases to 2 x 100 Watts in Class AB.
Circuit Design: It features a differential input and a complementary output equipped with 12 transistors capable of providing current above 32 amperes.
Connectivity: Uses pressure terminals for column connections and jack plugs for connection to the preamplifier (often paired with the Audioanalyse C90 or C900 preamplifier).
Versatility: It is capable of delivering high-quality sound with speakers whose impedance is particularly complex, due to its ability to provide high current.
Bridge mode: It can be configured to operate in bridge mode to provide even more mono power.
The creation of medical equipment suggested an origin of high-quality engineering, which was reflected in their audio products.
Sound quality: It is praised for its ability to produce high-quality sound, especially due to its operation in class A for the first 20W.
Longevity: These amplifiers are described as 'serious electronic components' and, if found to be working, are a good investment for audiophiles. However, like any vintage equipment, they may require maintenance or reconditioning (such as replacing capacitors) to ensure optimal performance.
Matching: The sound quality may vary depending on the preamplifier used. Comparative tests suggest that matching with the original C90/C900 preamplifier provides the original setup, while other preamplifiers may offer different sound characteristics (for example, softer or more detailed sound).
Width - 48 cm.
Height – 11 cm.
Depth – 28.5 cm.
Weight - 10 Kg.
Color - Black
The Audioanalyse B90 is a famous vintage French high-fidelity power amplifier, known for operating in pure class A at low powers and switching to class AB for higher power. It is not a speaker, as your question might suggest.
Technical Specifications
The Audioanalyse B90 (including the MkII version) is a versatile and robust power amplifier. Its main features, based on sources such as Rehifi and hifiengine.info, are:
Output Power: operates at 2 x 20 Watts in pure Class A and increases to 2 x 100 Watts in Class AB.
Circuit Design: It features a differential input and a complementary output equipped with 12 transistors capable of providing current above 32 amperes.
Connectivity: Uses pressure terminals for column connections and jack plugs for connection to the preamplifier (often paired with the Audioanalyse C90 or C900 preamplifier).
Versatility: It is capable of delivering high-quality sound with speakers whose impedance is particularly complex, due to its ability to provide high current.
Bridge mode: It can be configured to operate in bridge mode to provide even more mono power.
The creation of medical equipment suggested an origin of high-quality engineering, which was reflected in their audio products.
Sound quality: It is praised for its ability to produce high-quality sound, especially due to its operation in class A for the first 20W.
Longevity: These amplifiers are described as 'serious electronic components' and, if found to be working, are a good investment for audiophiles. However, like any vintage equipment, they may require maintenance or reconditioning (such as replacing capacitors) to ensure optimal performance.
Matching: The sound quality may vary depending on the preamplifier used. Comparative tests suggest that matching with the original C90/C900 preamplifier provides the original setup, while other preamplifiers may offer different sound characteristics (for example, softer or more detailed sound).
Width - 48 cm.
Height – 11 cm.
Depth – 28.5 cm.
Weight - 10 Kg.
Color - Black
Details
Era
1900-2000
Brand
Audio Analyse MK2
Model
B90
Multiple Models
No
Physical condition
Very good
Nr of items
1
Includes
Power cord
Year of Manufacturing
1980
Weight
10 kg
Functional condition
Tested and working/playable
Height
11 cm
Width
48 cm
Depth
28.5 cm
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