Neva Audio - Professional power amplifiers
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Two-channel
stereo amplifiers



NA4000
NA3200
NA2900
PA3000AG
PA2000AG
PA1500AG
PA1000AG
Studio I PF
Studio V PF

One-channel
amplifiers



MNA3500#4
MNA3000#4
MNA3000
MNA2100
MNA1900
MNA1700
MNA1400
MNA1200
Studio 2001 PF
Studio VII PF

Two-channel
amplifiers Bi-Amp


NA4602
NA2402
NA2202

Four channels
amplifiers


PA10004
PA7004
PA6004
PA4004

Home system
amplifire
Prof Fidelity


A-360
A-500
A-800M

Series PA
Open body of Neva Audio power amplifiers PA series Front-panel of Neva Audio power amplifiers PA series

Rear of Neva Audio power amplifiers PA series
Series PA     
All modelsŤ
Models of PA series : PA-3000AG  PA-2000AG  PA-1500AG  PA-1000AG  PA10004  PA7004  PA6004  PA4004

The amplifier is provided with a 2-mm steel housing with aluminum front panel of 6-mm thickness. It has an economic height 2U!

The circuit topology of the amplifiers of this series combines the advantages of classes A and G, thus providing high linearity and efficiency, small heat dissipation and boosted reliability as a consequence. The signal path consists of the voltage amplifier and current amplifier whereas the total negative feedback is absent. The voltage amplifier is based on the tracking cascode circuit which works in a pure class A, hence the sensible distortion are reduced to the zero. The current amplifier has a complementary circuit consisted of bipolar transistors Sanken which works in a dynamic class A. A high efficiency is achieved owing to two- and three-level power supply (class G).

The effective cooling system is used, wherein the transistors are provided with fluted heatsinking and the air stream cools all of them simultaneously. "Dual mono" units are taken as a basis of configuration. Audiophile circuitry and handiwork technology ensure high reliability, perfect characteristics and excellent quality of sounding. The effective protection against overload (Overload Protection) as well as a high-speed solid-state thyristor circuitry of protection of the loudspeakers reduces the risk of their damage to the zero. Furthermore, protection from RF, infra-low frequencies, from a short circuit and a constant voltage on an output, from overheat of output stages and transformers, from an overload on an input up to +15 dB are also available. A delay and smooth rise of a signal at turn-on are also provided.

The amplifiers of series PA Neva Audio can be used for tours, installations in studios, theatres, cinema-halls, disco-dance clubs and making the sound of the living concerts.

"Neva Audio"
Russia, 197183, St.Petersburg, Sabirovskaya 37,
Phone/Fax: (+7 812) 430-93-56
info@nevaaudio.com info@nevaaudio.com


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