| suara MK2 – Toroid Version

suara MK2 – Toroid Version

2 x 50 Watt Class A Power Amplifier


The newly upgraded Suara-Toroid Version increases the limits of this already exceptional amplifier even further.

True Dual Mono design with two separate high current, low noise, heavy toroidal transformers and fully upgraded dual power supply stages, taking full advantage of the powerful KT-150 power tubes and lower the noise floor to an unbelievable level in this high-fidelity audiophile Parallel tube Class A power amplifier.

The attractive simplicity and purity of class A single ended power amplifiers are imprinted in Suara.

Suara is a pure Class A power amplifier that has the ability to reproduce music with exceptional musicality and directness whilst its 50W per channel bring immense and controlled power out of the box able to drive any audio system’s loud speakers.

Special audio grade matched parts of the finest selections in every stage, refined voicing tests and countless hours of actual listening, allowed us to create this great octal tube based power amplifier, that offers both Triode and Ultra Linear mode at the tip of the switch.

Suara’s natural, intimate and warm reproduction of sounding will surely immerse the listener in a long- lasting audition without any listening fatigue.

Like all of the Lab12 products, Suara also comes with two colour choices of glass blasting anodizing finish.

An optional tube cage for increased safety and different aesthetic approach of your amplifier is available to obtain.


• KT150, KT120 versions available
• 6550, KT88, KT120, KT150 compatible
• Dual toroidal power transformers
• Easy Manual Bias Adjustment on the back plate
• Triode / Ultra Linear selector switch
• Handcrafted custom audio grade transformers
• No feedback design
• Special audio grade matched parts in every stage
• SRSG® implementation
• Fine symmetry® implementation
• Analog retro Nissei VU meters
• 5mm Aluminum face panel
• Five Years Guarantee


• Power: 230VAC 50Hz (115VAC 60Hz)
• Power consumption: 350 VA max
• Output power: 50 Watt per channel (KT150)
• Frequency response: 20 Hz-25 KHz (-0.9dB)
• Input impedance: 100 Kohm
• Recommended speakers: 4-8 ohm
• Tube complement: 4x dual triodes, 4x KT120/KT150 Power Pentodes
• Input sensitivity: 1.8V triode mode / 1.5V Ultra Linear mode
• Inputs: 1x line unbalanced stereo (RCA and XLR connectors)
• Available Colors: Matt Black, Frozen Silver
• Dimensions (WxHxD): 43x19x29 cm
• Weight: 22Kg

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