Difference between revisions of "Universum System Hifi 7500 SL (V 2315)"
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− | + | This amplifier (V 2315) is part of the Universum System Hifi 7500 SL. In addition, a tuner, a record player and tape decks in various versions were offered in a coordinated design. | |
− | + | The amplifier was produced in two different versions at that time. The first version had a surround sound facility, with the help of which a so-called "4D-Quadro surround sound" could be produced. In addition to the usual stereo speakers, two rear effect speakers were needed for this. | |
− | + | A later version of this amplifier no longer had this surround sound function, instead a "mute function" was implemented in the device. | |
− | + | Special features of this device were its liquid-cooled power amplifier (heat pipe), a massive front made of aluminium, as well as a comparatively flat housing design. Presumably this is the reason for the name "SL", which was called "Slim-Line" in the advertising for this series at that time. | |
− | [[ | + | [[image:V 2315 - UNIVERSUM 7500 SL.jpg]] |
− | ''' | + | '''Technical data:''' |
− | + | Rated power at 1 KHz: min. 2x60 Watt into 4 Ohm | |
− | + | Music power: min. 2x100 Watt | |
− | + | Distortion factor at nominal power: 0.5% | |
− | Intermodulation: 0 | + | Intermodulation: 0.1 at full modulation according to DIN 45403 (250 HZ + 8 kHz, 4:1) |
− | + | Loudspeaker damping factor: 20 | |
− | + | Minimum speaker impedance (connected load): 4 Ohm | |
− | + | Frequency response: 20 Hz to 40 KHz | |
− | + | Power bandwidth: 30 Hz to 40 KHz | |
− | + | Crosstalk attenuation between the two channels: 45 dB at 1 KHz, 35 dB from 250 to 10 000 Hz | |
− | + | Crosstalk attenuation between the different inputs Crosstalk attenuation between the different inputs: 55 dB at 1000 Hz, 45 dB from 250 to 10 000 Hz | |
− | + | Synchronisation of the AF section (left/right channel): less than 2 dB | |
− | + | External voltage spacing for nominal power: 74 dB | |
− | + | External voltage spacing for 50 mW: 60 dB | |
− | ''' | + | '''Control ranges:''' |
− | + | Treble control: + 10, - 10 dB at 10 KHz | |
− | + | Bass control: + 10, - 10 dB at 100 Hz | |
− | + | Balance control: - 40 dB | |
− | ''' | + | '''Input sensitivity and impedance at 1 KHz for nominal power:''' |
− | TB/ | + | TB/monitor: 350 mV/500 kOhm |
− | Magnet | + | Magnet TA: 3.5 mV/50 kOhm |
− | + | Dynamic TA: 0.2 mV/0.1 kOhm | |
Tuner: 350 mV/500 kOhm | Tuner: 350 mV/500 kOhm | ||
− | '''Max. | + | '''Max. Input voltage:''' |
− | TB/ | + | TB/monitor: 5 V |
− | Magnet | + | Magnet TA: 50 mV |
− | + | Dynamic TA: 5 mV | |
Tuner: 5 V | Tuner: 5 V | ||
− | ''' | + | '''Output voltages and impedance:''' |
− | TB: 1 mV | + | TB: 1 mV at 1 kOhm |
− | + | Headphones: 400 mW into 220 Ohm | |
+ | |||
+ | [[Category:Integrated amplifier]] |
Latest revision as of 05:04, 2 April 2009
This amplifier (V 2315) is part of the Universum System Hifi 7500 SL. In addition, a tuner, a record player and tape decks in various versions were offered in a coordinated design.
The amplifier was produced in two different versions at that time. The first version had a surround sound facility, with the help of which a so-called "4D-Quadro surround sound" could be produced. In addition to the usual stereo speakers, two rear effect speakers were needed for this. A later version of this amplifier no longer had this surround sound function, instead a "mute function" was implemented in the device.
Special features of this device were its liquid-cooled power amplifier (heat pipe), a massive front made of aluminium, as well as a comparatively flat housing design. Presumably this is the reason for the name "SL", which was called "Slim-Line" in the advertising for this series at that time.
Technical data:
Rated power at 1 KHz: min. 2x60 Watt into 4 Ohm
Music power: min. 2x100 Watt
Distortion factor at nominal power: 0.5%
Intermodulation: 0.1 at full modulation according to DIN 45403 (250 HZ + 8 kHz, 4:1)
Loudspeaker damping factor: 20
Minimum speaker impedance (connected load): 4 Ohm
Frequency response: 20 Hz to 40 KHz
Power bandwidth: 30 Hz to 40 KHz
Crosstalk attenuation between the two channels: 45 dB at 1 KHz, 35 dB from 250 to 10 000 Hz
Crosstalk attenuation between the different inputs Crosstalk attenuation between the different inputs: 55 dB at 1000 Hz, 45 dB from 250 to 10 000 Hz Synchronisation of the AF section (left/right channel): less than 2 dB
External voltage spacing for nominal power: 74 dB
External voltage spacing for 50 mW: 60 dB
Control ranges:
Treble control: + 10, - 10 dB at 10 KHz
Bass control: + 10, - 10 dB at 100 Hz
Balance control: - 40 dB
Input sensitivity and impedance at 1 KHz for nominal power:
TB/monitor: 350 mV/500 kOhm
Magnet TA: 3.5 mV/50 kOhm
Dynamic TA: 0.2 mV/0.1 kOhm
Tuner: 350 mV/500 kOhm
Max. Input voltage:
TB/monitor: 5 V
Magnet TA: 50 mV
Dynamic TA: 5 mV
Tuner: 5 V
Output voltages and impedance:
TB: 1 mV at 1 kOhm
Headphones: 400 mW into 220 Ohm