Hi – Fi Amplifier Trainer with graphic equaliser 6031
SALIENT FEATURES :
* Completely self contained stand – alone unit.
* Designed for educational and experimenting purpose.
* Provides complete experimental and theoretical knowledge of Hi–Fi Amplifier with Graphic Equaliser.
* Test points are provided at various stages in the circuit to observe the record the waveforms and voltages.
* Supply required 230V ± 10% AC 50Hz single phase monitored by a LED.
* Audio Sources : Two (Stereos).
* Speakers : 8 ohms / 5W separate for each channel.
* Frequency Response : 100Hz to 8000Hz.
* Controls : a. Volume Controls.
b. 5 Band Graphic Equalisers.
* Series of LED’s for output level indication for each channel.
* Housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel.
* Strongly supported by a comprehensive instruction manual complete with theory and operation details.
Cordless Phone Trainer 6030
SPECIFICATIONS :
* Completely self – contained stand – alone unit.
* Demonstrates the working principle & working of cordless phone.
* Unit : 1. Main unit with charger.
2. Handset.
* Antenna : Provided.
* Key functions : Volume ; digits, *, #, redial.
* Battery : In – built.
* Battery Charger : To be provided.
* Complete Block Diagram is given on the front panel.
* Non – destructive fault creating facility using rugged toggle switches for 10 regular and common faults are provided.
* Brass test points of 20 mm minimum length is provided at various stages in the circuit to observe the waveforms and voltages are possible.
* Housed in an elegant powder coated MS cabinet with lid with a well spread intelligently designed layout with transparent acrylic sheets on both the top and bottom for dust proof viewing of the circuitry and mechanism.
* Supported by a comprehensive instruction manual completely with theory and operation details.
* Possible to study the various sections and understand / observe the function of internal / external controls.
* Power requirement : 230V, AC, 50 Hz, 1 phase.
Stereo Cassette Player Amplifier Trainer ( with graphic equaliser ) 6028
SALIENT FEATURES :
* Completely self contained stand – alone unit.
* Designed for educational and experimenting purpose.
* Provides complete experimental and theoretical knowledge of Stereo Cassette Player circuit with Amplifier and Graphic Equaliser.
* Test points are provided at various stages in the circuit to observe the record the waveforms and voltages.
* Supply required 230V ± 10% AC 50Hz single phase monitored by a LED.
* Channels : Two (Stereos).
* Speakers : 8 ohms / 5W separate for each channel.
* Tape : Cassette type.
* Tape Speed : 4.75 cm / sec.
* Frequency Response : 100Hz to 8000Hz.
* Controls : Separate for each channel.
a. Volume Controls.
b. 5 Band Graphic Equalisers.
* Series of LED’s for output level indication for each channel.
* Housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel.
* Strongly supported by a comprehensive instruction manual complete with theory and operation details.
P. A. ( Public Address ) Amplifier Trainer Model – 6027
SALIENT FEATURES :
* It is a completely self – contained unit.
* The complete circuit of a P.A amplifier is printed on a single PCB of size 410 mm x 320 mm.
* All parts is soldered on single pin tags on the PCB for easy replacement and fault creation.
* Fault creating facilities is provided by removing jumpers and / or by changing parts.
* Explanation, observation, alignment and adjustment of internal and external control is possible.
* Easy identification of components and measurement of voltage / waveforms is possible at a glance.
* Detailed instruction manual is provided.
Technical Specifications
Power Supply : 220V AC 50 Hz.
Audio Power Supply : 30 Watts PMPO maximum.
Inputs : 3 mic input.
Provision : 1 aux input.
1 phono input.
Controls : a. Separate volume controls for mic 1, 2 & 3 ( with aux & phono )
b. Tone control.
Output Speaker Connections : 4 Ohms, 8 Ohms, 16 Ohms.
AC / DC Battery
Selector Switch : Provided.
Frequency LED : For supply indication.
Sensitivity : 5 mV for mic.
100 mV for phono / tape.
Distortion : 5 % to 10 %.
Two in One Trainer 6025
SALIENT FEATURES :
* Completely self contained stand – alone unit.
* Provides complete experimental and theoretical knowledge of the latest Radio Cassette Recorder circuit based on IC 810.
* Supply required 230V AC 50Hz single phase, monitored by a LED.
* Components mounted on single pin tags which are fitted on a specially designed single PCB with full circuit diagram on component side.
* Fault creating facility by removing any point.
* Speaker : 8 ohms / 0.5W oval shaped.
Radio Section :
1. System : MW Superhetrodyne radio receiver.
2. Tuning Range : 550 KHz to 1600KHz
3. Controls : Volume and tuning.
Tape Recorder Section :
1. Tape : Cassette type.
2. Tape Speed : 4.75 cm/second.
3. Erase System : AC Erase.
4. Recording Bias : AC Bias.
5. Frequency : 100Hz to 8000Hz Response
6. Automatic Level Control.
7. Tone Control.
8. Speech / Music Control.
9. Built in Condenser Mike.
10. LED Recording Level Indicator.
11. LED Output Level Indicator.
12. Auxillary Input Socket.
13. External Mike Socket.
14. Remote Control Socket.
15. Monitor Switch.
16. External Speaker Socket.
* Training & identifying of circuit and various components.
* Voltage can be measured at any point easily and waveforms can be observed.
* Housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel.
* Strongly supported by a comprehensive instruction manual complete with theory and operation details.
Graphic Equaliser Trainer 6024
SALIENT FEATURES :
* Completely self – contained stand alone unit.
* Designed for educational & experimenting purpose.
* Demonstrates the principle & working of a 5 band graphic equalizer and plot its frequency response.
* 5 band graphic equalizer for 50 Hz, 150 Hz, 500 Hz, 1 KHz, 5 KHz.
* Facility for connecting an external variable frequency source or an audio signal from a tape recorder.
* Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
* Strongly supported by a comprehensive instruction manual completely with theory and operation details.
Technical Specifications
1. Working Principle : Selective frequency amplifier.
2. Circuit : IC based.
3. Input : From external variable frequency source or audio signal from tape recorder.
4. Selective Frequencies : 50 Hz, 150 Hz, 500 Hz, 1 KHz, 5 KHz with separate amplifier counter for each.
5. Operating Voltage : 230V + 10 %, 50 Hz AC.