Amplifier Electronics 50u-017s amplifier is not inferior to the brig

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“ Vega U-120 Stereo ”, later “ Vega 10U-120 Stereo ” is a complete amplifier of the 1st complexity group, designed to amplify signals from various sources of sound programs.

The amplifier has: switching of program source inputs; adjustment of treble and bass, volume and stereo balance; step change in volume; turning on high-pass and low-pass filters; network and overload indicators.

Operating frequency range from 20-20000 Hz. Rated power - 10 W, maximum power - 25 W. Speaker resistance is 8 ohms.

Harmonic coefficient in the nominal frequency range, %, no more than 0.3. The signal-to-noise ratio is no less than 66 dB.

Overall dimensions: 430x70x360 mm, weight - 7 kg.

Complete stereo amplifier " Vega 25U-122 Stereo " (" Vega 50U-122 Stereo ") - designed to work as part of the radio complex "Vega-122S" of the same name, or independently.

The amplifier has a built-in five-band equalizer that allows you to get the desired sound timbre. The amplifier control is quasi-sensory, it is possible to connect additional speakers and a device for dubbing phonograms from one tape recorder to another, using a preamplifier with an equalizer, there is a device for automatically disconnecting the amplifier from the network in the event of a long absence of a signal at the input.

The Vega 50U-122S amplifier differs only in other numbers in the model name.

Frequency range from 20-25000 Hz, rated output power when operating at a load of 8 Ohms - 25 W, 4 Ohms - 35 W.

Harmonic coefficient at rated power - 0.05%; nonlinear distortion factor - 0.15%, signal-to-noise ratio - 90 dB.

Overall dimensions: 430x62x300 mm; weight - 7 kg.

The complete amplifier “ Radiotehnika U-101 Stereo ” is designed to amplify signals from various sources of sound programs. Optimal operating conditions for the amplifier and achievement of maximum quality indicators are ensured when working together with the units of the “Radiotehnika-101 Stereo” complex.

Later, in accordance with the new designation system, the amplifier was released as “Radiotehnika U-7101”.

The amplifier has: a switch for inputs of various program sources (electronic switch); switch of types of operation (mono - stereo); switch for operational control of work with two tape recorders; loudness shutdown switch; smooth controls for volume, stereo balance, low and high frequency timbre; output power indicator for each channel.

The reproduced frequency range is from 20-20000 Hz, the rated output power at a load resistance of 4 Ohms (each channel) is 20 W.

Harmonic coefficient in the nominal frequency range, %, no more than 0.3. Signal/background ratio – 60 dB.

Overall dimensions: 430x375x90 mm, weight - 9 kg.

“ Electronics EF-017 Stereo ” is a complete stereo audio amplifier of the highest (0) complexity group, designed for high-quality amplification of stereophonic and monophonic signals in the audio frequency range from various signal sources, designed to work together with speaker systems with a nominal electrical resistance of at least 4 Ohm and rated electrical power of at least 35 W.

Electronics 50U-017S stereo amplifier differs from the “Electronics EF-017 Stereo” model in the design of a luminescent signal output power indicator located on the front panel.

The amplifier has: loudness control with the ability to turn off loudness circuits, the possibility of MONO/STEREO mode; stepwise reduction of the output signal level by 20 dB; limiting filters for high and infra-low frequencies (below 20 Hz); input and output overload indication; indication of emergency operation; protection of output transistors from short-term short or long-term short circuit at the output.

The nominal range of reproduced frequencies is from 20-25000 Hz, the nominal output power of each channel is 50 W.

Harmonic distortion in the nominal frequency range is 0.007%, nonlinear distortion factor is 0.1%. Background level - 60 dB.

Overall dimensions: 400x120x375 mm, weight - 15 kg.

The Amphiton A1-01 Stereo stereo amplifier is designed to amplify low-frequency signals from various sources of stereo and mono programs.

The amplifier has: separate loudness controls for the channels, separate tone controls for the lower middle and higher audio frequencies, electronic overload protection.

In 1985, the amplifier was upgraded into an amplifier - “Amfiton A-1-01-2 Stereo”.

The nominal frequency range is from 20-20000 Hz, the nominal output power of each channel is 20 W.

Harmonic coefficient in the nominal frequency range, %, no more than 0.3. The signal-to-noise ratio is no less than 70 dB.

Overall dimensions: 430x395x125, weight - 9.5 kg.

The stereo amplifier " Odyssey U-010 Stereo " is designed to amplify audio frequency signals.

The amplifier has: tone controls for low and high audio frequencies, stereo balance, step volume control, it is possible to turn on loudness compensation and switch inputs for recording.

The nominal frequency range is from 20-20000 Hz, the nominal output power at a load resistance of 8 Ohms (each channel) is 50 W.

Harmonic coefficient in the nominal frequency range is 0.05%, background level is 60 dB.

Overall dimensions: 460x360x120 mm, weight – 16 kg.

The stereo amplifier " Brig-001 Stereo ", later " Brig U-001 Stereo " is designed for high-quality amplification of music or speech programs from a microphone, magnetic or piezoelectric pickup, tuner, tape recorder and other signal sources.

The amplifier has: step-by-step volume and tone control, a soft-start system that eliminates clicks when turning on or off, network light indication, and channel overload.

The nominal range of reproduced frequencies is from 20-25000 Hz, the nominal output power at a load resistance of 8 Ohms (each channel) is 50 W.

Harmonic coefficient in the nominal frequency range is 0.1%. Nonlinear distortion coefficient - 0.15%. Signal to weighted noise ratio: 86 dB.

Overall dimensions: 452x372x118 mm, weight - 15 kg.

" Corvette 50U-068S " is a representative of a new generation of complete amplifiers. In its creation, technical solutions of the high-quality amplifier “Brig-001 Stereo” were used.

For the first time, a power amplifier of the LAN class with two-level power supply was used. This mode made it possible to improve the thermal conditions of the amplifier. The model has a pickup switch, with which, in addition to the electromagnetic one, you can also connect an electrodynamic one with moving coils.

The instantaneous maximum power value is indicated by a 12-segment LED indicator. The maximum level limiter allows you to reduce the output signal when using speakers with a power lower than the recommended one.

A volume control with a smoothly variable loudness level allows you to reduce noise when the volume is lowered. For additional volume control, there is a button for changing it stepwise. Switching programs, speakers, headphones, etc. made by push-button switches, with light indication of the mode.

The nominal range of reproduced frequencies is from 10-70000 Hz. The rated output power at the output for connecting speakers with a resistance of 8 Ohms is 60 W, 4 Ohms is 80 W.

Harmonic coefficient - 0.05%. Intermodulation distortion coefficient - 0.06%. The signal-to-weighted noise ratio at the output for connecting a power amplifier is 96 dB.

Overall dimensions: 430x390x120 mm, weight - 10.8 kg.

“ Corvette 100U-068S ” is another modernization of the complete amplifiers “Corvette U-068S” and “Corvette 50U-068S” in order to increase the output power.

The new model has overload indicators, high-pass and low-pass filters, an input selector, an active volume control with a continuously variable loudness level, an amplifier protection device from short circuits, from overheating and constant output voltage, a built-in correction amplifier for connecting an electric player, and an LED mode indicator .

The nominal range of reproduced frequencies is from 10-70000 Hz. The rated output power at the output for connecting speakers with a resistance of 8 Ohms is 65 W, 4 Ohms is 95 W.

Harmonic coefficient - 0.007%. Intermodulation distortion coefficient - 0.05%. Signal to noise ratio - 90 dB.

Overall dimensions: 430x385x120 mm, weight - 9.2 kg.

The Estonia-010 Stereo stereo amplifier was produced for operation as part of a block radio. Consists of 2 blocks: pre-amplifier and power amplifier.

The pre-amplifier “ Estonia-UP-010 Stereo ” has a smooth, separate HF and LF tone control, indication of the output signal level and overload.

In addition to inputs and outputs intended for coupling with blocks of a power amplifier, electric player, tuner, etc., the pre-amplifier has: inputs and outputs for two tape recorders, with the ability to re-record phonograms, a universal input, and an output for connecting stereo telephones.

Nominal frequency range from 20-20000 Hz.

Harmonic coefficient, %, no more than 0.03. Signal/weighted noise ratio, no less than 71 dB.

Overall dimensions: 460x80x360 mm, weight – 10 kg.

Stereo power amplifier " Estonia UM-010 Stereo " is designed to amplify signals of recorded frequencies coming from the same type or another pre-amplifier.

The power amplifier has: LED indicators of operating modes, electronic overload protection.

The nominal range of reproduced frequencies is from 20-25000 Hz, the nominal output power is 50 W.

Harmonic coefficient at a frequency of 1 kHz - 0.005%, 20 kHz - 0.03%. Signal to weighted noise ratio: 105 dB. Crosstalk attenuation of channels is 56 dB.

Overall dimensions: 460x360x80 mm, weight - 12.2 kg.

A very good amplifier. The dream of most people who are interested in truly decent, high-quality sound. And if the reviews about the power amplifier are beyond praise, then many remain dissatisfied with the sound quality of the preamplifier.

A way out of this situation may be to replace the pre-amplifier “Estonia-UP-010 Stereo” with:

Stereo pre-amplifier " Radiotehnika UP-001 Stereo ", designed to work as part of a complex of household sound-reproducing radio equipment of the highest or first class.

The pre-amplifier has smooth and stepwise volume control with switchable loudness compensation, separate tone control for high and low frequencies, and stereo balance adjustment.

Nominal frequency range from 20-20000 Hz.

The harmonic coefficient is less than 0.03%.

Overall dimensions: 430x358x88 mm, weight - 7.2 kg.

Amplifier Electronics 50u-017s amplifier is not inferior to the brig

• Amplifier Electronics 50u-017s amplifier is not inferior to the brig. Photo 1.
• Amplifier Electronics 50u-017s amplifier is not inferior to the brig. Photo 5.

Location:

Voronezh region, Voronezh on the map

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!quite a rare model, only a few in this condition! fully working, the characteristics are not inferior to the brig (not dug under the factory seals) 4 channels of 50 watts at the same time, you can connect 4 speakers, any checks, bargaining, electronics 50u-017s into a full stereo audio amplifier highest (0) complexity group "electronics" 50u-017s is designed for high-quality amplification of stereophonic and monophonic signals, effective frequency range: 10 - 40000 Hz long-term maximum output power of each channel: 70 W nominal load impedance of inputs for connecting: speaker systems: 4 ohms headphones: 16 ohms total harmonic HF distortion under normal operating conditions: 0.007% intermodulation distortion: 0.15% signal-to-background ratio: 80 dB dimensions (wxhxd): 400x120x375 mm weight without packaging: 12 kg loudness control with the ability to disable loudness circuits , possibility of mono/stereo mode; stepwise reduction of the output signal level by 20 dB; the ability to amplify the signal from an electric player, tape recorder, tuner, pre-amplifier; possibility of connecting an external power amplifier; the ability to record on tape recorders that meet the requirements of GOST 24863-87; possibility of tape control of the recorded recording; adjusting the tone of low and high frequencies; limiting filters for high and infra-low frequencies (below 20 Hz); indication of signal output power with the ability to switch the display range; input and output overload indication; indication of emergency operation; connecting a reverb to create an artificial echo; connecting headphones; protection of output transistors from short-term short circuit at the output; protection of output transistors from long-term short circuit at the output; protection of speaker systems from constant voltage; connection through an additional “additional network” socket of an additional device, the socket is turned off with the “network” button

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Electronics EF-017-stereo

Purpose : stereo stationary amplifier of the highest complexity group, designed for reproducing stereophonic and monophonic sound programs.

It is similar to the Electronics 50U-017S .

Schemes and description on disk .

Specifications:

Frequency range: 10 – 40000 Hz

Output rated power per channel: 50 W

Output maximum power per channel: 90 W

Signal-to-noise ratio, no less than: 66 dB

Total harmonic HF distortion under normal operating conditions: 0.007%

Harmonic Distortion: 0.1%

Intermodulation distortion: 0.15%

Rated supply voltage from AC mains with a frequency of 50 Hz: 220 V

Permissible deviation of the network supply voltage from the nominal: ±10%

Overall dimensions (WxHxD): 400x120x375 mm

Weight: 15 kg

Description:

The main supporting structure of the amplifier is a stamped steel chassis. The front panel is made of die-cast aluminum alloy. A false panel with inscriptions printed using gridography is installed on the rear panel. The main components of the amplifier are mounted on the chassis. All controls are located on the front front panel.

The electrical circuit and design of the reproducing device consists of the following blocks: final amplifier (A1, A3), input amplifier (A2), balance (A4), switching (A5), adjustable amplifier (A6), indication (A7), protection (A8) , power (A9) and relay (A10).

The amplifier has the following operational amenities:

1. loudness control with the ability to disable loudness circuits, the possibility of MONO/STEREO mode;
2. stepwise reduction of the output signal level by 20 dB;
3. the ability to amplify the signal from an electric player, tape recorder, tuner, pre-amplifier;
4. possibility of connecting an external power amplifier;
5. the ability to record on tape recorders that meet the requirements of GOST 24863-87;
6. possibility of tape control of the recorded recording;
7. adjusting the tone of low and high frequencies;
8. limiting filters for high and infra-low frequencies (below 20 Hz);
9. indication of signal output power with the ability to switch the display range;
10. input and output overload indication;
11. indication of emergency operation;
12. connecting a reverb to create an artificial echo;
13. connecting headphones;
14. protection of output transistors from short-term short circuit at the output;
15. protection of output transistors from long-term short circuit at the output
16. protection of speaker systems from direct voltage;
17. connection through an additional “ADDITIONAL NETWORK” socket of an additional device, the socket is turned off with the “Network” button