Art Audio DIAVOLO 300b single end Triode
Description
In the search for even more musicality we decided to go down the single ended route and found after hours of development and listening sessions the 300b was the way to go.
There is nothing like the musical sound of a single ended design, the simplified signal path lays bare all the information available from the source played (good and bad) and the triode design gives a true flat response through those terrible cross over elements in the speaker, the only criticism that seemed to be around of the design was poor frequency extremes, so we tackled this in our designs.
Design Improvements
- Huge power supplies and transformers for bass extension with better control.
- Driver valves, resistor and capacitor selection for transparent high resolution, extending frequency extremes and in particular the output transformer design to keep the subtle high frequency information produced by the electronic design.
10 watts triode with split bobbin multi section output transformers 4 and 8 ohm taps, 0 feedback speaker 100 db and above required for best results.
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Specifications
- Power
- 10 WATTS
- Type
- SINGLE END 300b
- Frequency Response @1WATT
- 5 HZ TO 20 KHZ + – 0.5 db
- Frequency Response @FULL POWER
- 20 HZ TO 20 KHZ + – 1.5 db
- Input Sensitivity
- 450 mv
- Input Impedance
- 120 KΩ
- Output Impedance
- 4Ω AND 8Z
- Noise at Speaker Terminals
- TYPICALLY 0.8 mv
- Feedback
- 0 dB
- Biasing
- AUTOMATIC
- Construction
- HYBRID PCB / HARD WIRE
- Components
- RESISTORS 1% METAL OXIDE CAPACITORS LOW INDUCTANCE LOW ESR COUPLING CAPS HOVLAND
- Transformers
- MULTI SECTION SPLIT BOBBIN
- Rectifier
- VALVE GZ 37
- Drivers
- 6922 AND 12 BH7
- Heaters
- DC REGULATED
- Set Up
- NO SET UP REQUIRED PLUG AND PLAY NO MATCHING ON POWER VALVES MATCHING REQUIRED ON DRIVERS
- Size
- 18 inches wide 14 inches deep 8 ½ inches high
- Weight
- 28 kg
Manufacturer's Description — Art Audio
Description
In the search for even more musicality we decided to go down the single ended route and found after hours of development and listening sessions the 300b was the way to go.
There is nothing like the musical sound of a single ended design, the simplified signal path lays bare all the information available from the source played (good and bad) and the triode design gives a true flat response through those terrible cross over elements in the speaker, the only criticism that seemed to be around of the design was poor frequency extremes, so we tackled this in our designs.
Design Improvements
- Huge power supplies and transformers for bass extension with better control.
- Driver valves, resistor and capacitor selection for transparent high resolution, extending frequency extremes and in particular the output transformer design to keep the subtle high frequency information produced by the electronic design.
10 watts triode with split bobbin multi section output transformers 4 and 8 ohm taps, 0 feedback speaker 100 db and above required for best results.
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Authorized dealers for Art Audio DIAVOLO 300b single end Triode
- AVShop.ca — in-store — Markham, Ontario, Canada (website)
- B&H Photo — online and in-store — New York, New York, United States (website)
- FIRODIL — in-store — Bobigny, Île-de-France, France (website)
- Salon One Audio — in-store — Ormond Beach, Florida, United States (website)
- Sonare Coeli — in-store — Oconomowoc, Wisconsin, United States (website)
- Verdant Audio — online and in-store — Far Hills, New Jersey, United States (website)
- Wilbrand Acoustics — in-store — Nordhorn, Niedersachsen, Germany (website)