SPECIALS

 

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Radii ALP-01R active preamplifier

Demo unit with ~150 hrs of operation, excellent performer. More details are listed on our Radii page. Excellent review by Affordable Audio. Made for US market, this unit was designed for 120V, not typical 110V that Chinese made products offer.

MSRP: $799. SOLD.

 

 

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Radii HAP-02 headphone amplifier

Real rarity among headphone amplifiers, HAP-02 uses EL84 tubes in the output stage! Selectable output makes it easy to optimize for any headphones, from 8 ohms up. Output power is above 500mW - compared to typical 20-100mW outputs of other headphone amplifiers, this unit can even drive efficient speakers. Tubes are inside enclosure for increased safety. Made for US market, this unit was designed for 120V, not typical 110V that Chinese made products offer. Demo unit with 20 hours of operation.

MSRP: $840. SOLD

 

 

 

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Radii MMS6BQ5-A single ended integrated amplifier

A gem among EL84 based products this unit is an excellent example of what EL84 tubes have to offer in single ended configuration. Two outputs: 6 ohm for 4 and 8 ohm speakers and 16ohm for speaker impedance of 10 ohm and higher. Excellent for Zu or any other high impedance speakers.

Made for US market, this unit was designed for 120V, not typical 110V that Chinese made products offer. Tubes are inside enclosure for increased safety. 

Tested and modified for increased reliability - a small, quiet cooling fan was added for increased tube and capacitor life.

Demo unit with 40 hours of operation.

MSRP: $630. SOLD

 

Output Power 3.5 Watts continuous each channel
Output Resistance 6 and 16 ohm
Frequency Response 35Hz to 35,000Hz
Harmonic Distortion less than 1% at 1W
Sensitivity 500mV input for full output
Tube Complement 1 x 12AX7, 2 x 6BQ5
S/N Ratio -70dB
Power Consumption 50W
Dimension(W x D x H) 240 x 340 x 65mm/250 x 165 x 190mm
Weight 6.5Kg

 

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Radii DPP-103 - 18W EL84 integrated amplifier

Built for US market, this amplifier's power transformer was designed to work at 120V AC line. Output transformers were built for 6 ohms output impedance - they will support both 4 ohm and 8 ohm speakers, and anything between and above!

After evaluation, it was modified from fixed bias to self biasing configuration. Not only this makes it easier to operate (no biasing of the output tubes is required) but the new topology allows EL84 tubes to shine through in their full glory.

Test unit with 50 hours of operation.

Price: $790. Discounted to $589. Thirty days warranty.

Output Power 18 Watts continuous each channel
Output Resistance 6 ohm
Frequency Response 15Hz to 35,000Hz
Harmonic Distortion less than 1% at 1W
Sensitivity 500mV input for full output
Tube Complement 3 x 12AX7, 4 x EL84
S/N Ratio -70dB
Power Consumption 130W
Dimension(W x D x H) 310 x 280 x 180mm
Weight 10.5Kg

 

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Radii DPP-104 - 30W KT88 integrated amplifier

Built for US market, this amplifier's power transformer was designed to work at 120V AC line. Output transformers were built for 6 ohms output impedance - they will support both 4 ohm and 8 ohm speakers, and anything between and above!

After evaluation, the amplifier was modified from fixed bias to self biasing configuration. Not only this makes it easier to operate (no biasing of the output tubes is required) but KT88 output tubes run much less stressed and the sound improvement is immediately noticeable. This amplifier is extremely quiet and can be used with highly sensitive speakers as well as speakers that have lower sensitivity and present a difficult load. A trade off that we were happy to make is reduced output power from 40W to 30W, but in real-life listening, the difference (which comes out to only about 1.5dB) is negligible and more than offset by high quality sound.

Test unit with 30 hours of operation.

Price: $980. Discounted to $798. Thirty days warranty.

 

Output Power 30Watts continuous each channel
Output Resistance 6 ohm
Frequency Response 10Hz to 60,000Hz
Harmonic Distortion less than 1% at 1W
Sensitivity 800mV input for full output
Tube Complement 2 x 12AX7, 2 x 12AU7, 4 x KT88
S/N Ratio -80dB
Power Consumption 260W
Dimension(W x D x H) 365 x 250 x 315mm
Weight 15Kg

 

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Vista Audio Phono-1 preamplifier

Product details and user reviews. Optimized for MM cartridges and custom color. Demo unit with 80 hours of operation. 

MSRP: $299. SOLD, other versions available, please inquire.

 

 

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