Difference between revisions of "Aitos EV 902"
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| − | {{ | + | {{Takes work}} |
| − | == | + | == Data per monoblock== |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: Aitos |
| − | * | + | * Model: EV 903 |
| − | * | + | * Type: [[OTL]]-tube monos |
| − | * | + | * Years of manufacture: from about 2006 (EV901) to now (EV903) |
| − | * | + | * Made in: Netherlands |
| − | * | + | * Colour: Black |
| − | * | + | * Type: Analog |
| − | * | + | * Remote control: connector for switching the amplifier on and off via AITOS tube preamps |
| − | * | + | * Power consumption: |
** Standby: 0W | ** Standby: 0W | ||
| − | ** | + | ** Idle: 130W |
| − | ** | + | ** Full power: 500W |
| − | * | + | * Dimensions (WxHxD): 50cm x 20cm x 42cm |
| − | * | + | * Weight: 23kg per amplifier |
| − | * | + | * New price approx.: 20.000€ per pair |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: 1 |
| − | + | * Chinch gold plated: 270kOhm 1,5V eff. | |
| − | * | + | * Number of outputs: 2 (parallel) |
| − | ** LS-Stereo A: 6 | + | ** LS-Stereo A: 6 to 14 Ohm automatic adjustment |
| − | ** LS-Stereo B: 6 | + | ** LS-Stereo B: 6 to 14 Ohm automatic adjustment |
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Continuous power (at distortion factor) |
** 10 Ohm: 250W | ** 10 Ohm: 250W | ||
| − | * | + | * Dynamic power |
** 8 Ohm: | ** 8 Ohm: | ||
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * Total harmonic distortion: <0,1% |
* Dämpfungsfaktor: >160 | * Dämpfungsfaktor: >160 | ||
| − | * | + | * Frequency response: 8Hz - 225kHz -3db |
| − | * | + | * Signal to noise ratio: >100 db |
| − | * | + | * Stereo channel separation: Dependent on preamplifier |
| − | ''' | + | '''Special features of tube amplifiers''' |
| − | * | + | * Principle: [[OTL]]-tube power amplifier |
| − | * | + | * Tube equipment |
| − | + | 6 power tubes | |
| − | ** 3 | + | ** 3 double triodes |
| − | + | 1 pentode | |
| − | * | + | * Transformers: Two power supply transformers and one transformer for the automatic switching circuitry |
| − | ** | + | ** High voltage |
| − | ** | + | ** Auxiliary voltage/heating |
| − | + | Switch-on electronics: Switch-on is done by an automatic switch, which - and only after the tubes have reached a certain temperature - switches on the high voltage completely noise- and click-free. | |
| − | ''' | + | '''Special Features''' |
| − | * | + | * Diagnostic socket (service) for checking the internal voltages |
| − | * | + | * Input connector for switching the power amplifier on and off via AITOS tube preamplifiers |
| − | * Led | + | * Led indicators for remote control and fuse fault indication |
| − | * | + | * A built-in mains phase control |
| − | * | + | * Three-dimensional wiring |
| − | * | + | * Anode voltage delay on power up |
| − | * | + | * Built-in hour meter |
| − | == | + | == Remarks == |
| − | + | Other models in the same series: | |
| − | Aitos OTL | + | Aitos OTL power amplifier EV 803 (90 watts). |
| − | == | + | == Pictures == |
| − | [[ | + | [[Image:AitosEV901Front.jpg]] |
| − | [[ | + | [[Image:AitosEV901Rear.jpg]] |
| − | == | + | == Reports == |
== Links == | == Links == | ||
EV 903: [http://de.aitosaudio.com/otl-endverstaumlrker-ev-903.html] | EV 903: [http://de.aitosaudio.com/otl-endverstaumlrker-ev-903.html] | ||
| − | + | Aito's homepage: [http://de.aitosaudio.com] | |
| − | [[ | + | [[Category:Power Amplifiers]]</0,1%> |
Latest revision as of 10:48, 4 July 2013
Data per monoblock[edit]
General
- Manufacturer: Aitos
- Model: EV 903
- Type: OTL-tube monos
- Years of manufacture: from about 2006 (EV901) to now (EV903)
- Made in: Netherlands
- Colour: Black
- Type: Analog
- Remote control: connector for switching the amplifier on and off via AITOS tube preamps
- Power consumption:
- Standby: 0W
- Idle: 130W
- Full power: 500W
- Dimensions (WxHxD): 50cm x 20cm x 42cm
- Weight: 23kg per amplifier
- New price approx.: 20.000€ per pair
Connections
- Number of inputs: 1
- Chinch gold plated: 270kOhm 1,5V eff.
- Number of outputs: 2 (parallel)
- LS-Stereo A: 6 to 14 Ohm automatic adjustment
- LS-Stereo B: 6 to 14 Ohm automatic adjustment
Technical Data
- Continuous power (at distortion factor)
- 10 Ohm: 250W
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: <0,1%
- Dämpfungsfaktor: >160
- Frequency response: 8Hz - 225kHz -3db
- Signal to noise ratio: >100 db
- Stereo channel separation: Dependent on preamplifier
Special features of tube amplifiers
- Principle: OTL-tube power amplifier
- Tube equipment
6 power tubes
- 3 double triodes
1 pentode
- Transformers: Two power supply transformers and one transformer for the automatic switching circuitry
- High voltage
- Auxiliary voltage/heating
Switch-on electronics: Switch-on is done by an automatic switch, which - and only after the tubes have reached a certain temperature - switches on the high voltage completely noise- and click-free.
Special Features
- Diagnostic socket (service) for checking the internal voltages
- Input connector for switching the power amplifier on and off via AITOS tube preamplifiers
- Led indicators for remote control and fuse fault indication
- A built-in mains phase control
- Three-dimensional wiring
- Anode voltage delay on power up
- Built-in hour meter
Remarks[edit]
Other models in the same series: Aitos OTL power amplifier EV 803 (90 watts).
Pictures[edit]
File:AitosEV901Front.jpg File:AitosEV901Rear.jpg
