Radii Audio is a Hong Kong based company, 100 people strong. The company and R&D department are lead by Mr. Santa Man. The company is fully vertically integrated - they make their own  transformers, chassis, PCB, even silk screen printing. Main business are OEM and ODM products for other companies which explains their rather rudimentary website.

Closer look uncovers broad product line covering power amplifiers, integrated amplifiers, preamps and DAC, all vacuum tube based.

ENG Vista represents Radii Audio in the North American and all markets where there are no established distributors. We also provide full service in and out of warranty as well as upgrades. All products from the Radii product line can be ordered from ENG Vista with delivery in 6-8 weeks. Every unit is inspected and tested upon arrival to ensure that there are no damages in shipping from overseas.

We welcome dealer inquiries.

Here is just a small sampling of the Radii Audio products:

GS-805SE: 50W Single Ended Monoblocks

Output Power 50Watts continuous
Output Impedance 4,8 and 16ohm
Frequency Response 10Hz to 30,000Hz
Harmonic Distortion less than 0.3% at 1W
Sensitivity 2V input for 50W output
Tube Complement 1 x 12AX7, 1 x 6L6, 1 x 805
Power Consumption 250VA
Dimension(W x D x H) 385 x 460 x 200mm
Weight 23Kg
Features Metered bias adjustment, hum level control



ALP-01R: Remote controlled line preamplifier (Review)

Output Impedance less than 1K
Frequency Response 10Hz to 100,000Hz
Harmonic Distortion less than 0.1%
Tube Complement 12AU7 x3, 5AR4 x1
S/N Ratio -85dB
Power Consumption 30W
Dimension(W x D x H) 275 x 280 x 185mm
Weight 7Kg
Features IR Remote Control Volume UP, DOWN and MUTE

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