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Qualiton A75

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Qualiton A75

KT120 péntodos.

Own transformers.

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Qualiton A75

Class-A integrated vacuum tube amplifier with an output power of 2 x 75 W. The appliance can be connected to 4 Ω and 8 Ω nominal impedance speakers. The power outputs, based on output pentodes type KT 120, were tuned to the before-mentioned nominal loads through our in-house manufactured, precision winding output transformers. The bias control circuit plays an important role in the operation of the power output too. This circuit monitors the quiescent current of the output tubes and adjusts it to a preset value. Thus, all four output tubes are in perfectly equal operation states.

Out of three asymmetric and one symmetric inputs, one can choose the desired one using the front panel volume control and input selector rotary switch. The symmetric input features a  XLR connector. In this case too, the entire volume control and input selector unit is in full harmony with the shiny polished casing of the appliance, bringing together functionality and aesthetics perfectly.

The clearly arranged, minimalistic remote control was designed with this philosophy as well: the unique and aesthetical exterior design was always kept in mind and the usability was improved. Finally, a couple of words on the set of tubes we use: the audio signal arriving on the selected input of the appliance is received by vacuum tubes type Tungsram ECC83. The driving voltage as well as its matching are produced by E88CC/6922s. In power output, the before-mentioned output pentodes KT 120 are in action—strictly in Class-A.  

Warranty: 2 years

Price

Qualiton A75i  Black     .........   6.900 € (con KT120)

UPGRADE VALVES  
KT 88  Instead if KT120 0
KT150 375
KT170 525

Tecnical parameters

Name Value
Rated output power 2 x 75 W, stereo
Total harmonic distortion < 0,1% (f = 1 kHz, rated output)
Frequency response 25 Hz to 70 kHz (-3 dB, rated output)
Input sensitivity, Balanced Stereo IN 920 mV, to rated output
Input sensitivity, Unbalanced Stereo IN 920 mV, to rated output
Number of input ports / channel 3 unbalanced Stereo IN, 1 balanced Stereo IN
Number of output ports / channel 2 unbalanced Power OUT
Gain +28.5 dB (RL = 8 Ohm)
Input impedance, Balanced Stereo IN 40 kOhm
Input impedance, Unbalanced Stereo IN 10 kOhm
Load impedance 4 Ohm and 8 Ohm
Signal-to-noise ratio > 100 dB (RL = 8 Ohm, rated output)
Power requirements 620 W
Tubes required 4 x KT120 (KT150 or KT170 optionally); 4 x 12AT7; 2 x 12AX7
Weight 21 kg
Dimensions 35 x 42 x 22 cm

 

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Qualiton A75

Qualiton A75

Qualiton A75

KT120 péntodos.

Own transformers.

Write your review

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