Skip to main content


Allegro is integrated amplifier with direct heating of output tubes and stabilized voltage of input tubes heating.
This provides defined sound from input to speakers - in addition to strictly defined parameters. The architecture of PCB is precisely defined. The amplifier is made in push-pull technology with selected vacuum tubes.
With Allegro you can choose Ei or RFT (NOS) tubes.

Product Specification

Class operation
Vacuum tubes
Load impedance
Frequency response

Ultralinear mode
Push Pull
4 x EL84, 2 x ECC83
4 Ω and 8 Ω
13 Hz - 45 kHz (-3 dB)

Output power
Input Impedance
Dimensions (WxDxH) mm
Weight (kg)

2 x 13 w
47 kΩ
4 x RCA
450 x 405 x 160
Not included

Specifications are subject to change without prior notice.