Stax - SRD-7 / Electrostatic Earspeaker Adaptor / Passive Transformer Box Audio amplifier
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Stax SRD-7 Electrostatic Earspeaker Adaptor, a passive transformer box manufactured in 1980, in very good physical condition and tested and working, includes a power adapter, weight 2 kg, dimensions 120 cm high by 73 cm wide by 215 cm deep.
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Description from the seller
The SRD-7 Adaptor for electrostatic Ear speakers raises the signal volrage to the level needed for ear speakers by means of a step-up transformer and provides the polarizing voltage necessary for the diaphragm with a power supply circuit. Along with the standard bias power supply circuit the SRD-7 also posseses a high bias power supply circuit for greater resolution and additional performance capabilities to match the Professional Series Earspeakers. There are two Earspeakers outlets: the NORMAL plug is for the SR Lambda Series Ac 230V. and other Series PRO ONLY modern series SE 500, SE 700. Ac.580 V
Bias NORM. 230V DC conect 6 pini
Bias PRO. 580V DC conect 5 pini
The SRD-7 Adaptor is also avaiable equipment with PRO online earspeaker bias 580V DC 5 pini.
Amplifier max continus power 8 watt.
Headphones STAX SE 507 are not subject to this tender. The type of headphones SE 507 and SE 700 works with this amplifier.
Instantaneous Max. input 30W ( 1kHz)
Frequence Response. 10Hz- 30kHz.
Distortion. Less than 0.02%
Power Source 117-240V / 50- 60Hz Ac
Bias Voltage 580 V only Professional
Power Consumption 0.1 W
Dimensions: 73×120×215mm
Weight. 1.7 kg.
The SRD-7 Adaptor for electrostatic Ear speakers raises the signal volrage to the level needed for ear speakers by means of a step-up transformer and provides the polarizing voltage necessary for the diaphragm with a power supply circuit. Along with the standard bias power supply circuit the SRD-7 also posseses a high bias power supply circuit for greater resolution and additional performance capabilities to match the Professional Series Earspeakers. There are two Earspeakers outlets: the NORMAL plug is for the SR Lambda Series Ac 230V. and other Series PRO ONLY modern series SE 500, SE 700. Ac.580 V
Bias NORM. 230V DC conect 6 pini
Bias PRO. 580V DC conect 5 pini
The SRD-7 Adaptor is also avaiable equipment with PRO online earspeaker bias 580V DC 5 pini.
Amplifier max continus power 8 watt.
Headphones STAX SE 507 are not subject to this tender. The type of headphones SE 507 and SE 700 works with this amplifier.
Instantaneous Max. input 30W ( 1kHz)
Frequence Response. 10Hz- 30kHz.
Distortion. Less than 0.02%
Power Source 117-240V / 50- 60Hz Ac
Bias Voltage 580 V only Professional
Power Consumption 0.1 W
Dimensions: 73×120×215mm
Weight. 1.7 kg.
Details
Era
1900-2000
Brand
Stax
Model
SRD-7 / Electrostatic Earspeaker Adaptor / Passive Transformer Box
Multiple models
No
Physical condition
Very good
Number of objects
1
Includes
Power Adapter
Serial number
0915
Year of manufacturing
1980
Weight
2 kg
Functional condition
Tested and working/playable
Height
120 cm
Width
73 cm
Depth
215 cm
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