Lab12 Integre4 tube integrated amplifier, handcrafted in Greece. Four KT150 tubes deliver 2 x 65 W, with five RCA inputs and bias adjustment on an OLED display.

The Integre4 ships with four KT150 power pentodes and four 6N1P dual triodes. It delivers 65 W per channel and suits speakers from 4 to 8 ohms. The circuit works without feedback.
The OLED display shows the anode current of each power tube. Four trimmers below the screen adjust the bias. According to the manual, the amplifier also accepts 6L6, EL34, 6550, KT88 and KT120 tubes.
A processor constantly monitors the tubes and the power electronics. At switch-on, a soft start circuit warms the tubes for about one minute before listening. Volume runs through a motorised ALPS Blue Velvet potentiometer, adjustable from the remote control.
The rear panel offers five pairs of RCA inputs and two pairs of speaker terminals. The chassis measures 43 x 19 x 29 cm and weighs 20 kg. The 5 mm aluminium front panel comes in Matt Black and Frozen Silver.
Data sheet
Specific References
Lab12 Knack mk2 1.5 m power cable with 16 A IEC connector, designed for the Noyra. Its 3 x 6 mm² conductors and braided copper shield aim for noise-free power delivery.
Lab12 Knack mk2 1.5 m power cable with 20 A IEC connector, designed for the Gordian. Its 3 x 6 mm² conductors and braided copper shield aim for noise-free power delivery.