Vacuum Tube Line Preamplifier
"An affordable, easy-to-use, lovely, and musically satisfying piece of audio equipment."...more
We are proud to bring the Verve vacuum tube line stage preamplifier to production.. It features the famous 6SN7 octal vacuum tube, and all vacuum tube rectification using the 5U4 octal tube rectifier.
We developed this line stage to complement our single ended triode amplifiers. One of the things we achieved was to design a preamp that did not damage the dynamic quality of the music. The Verve line stage is a true zero negative feedback Class A design. The octal tube complement coupled with tube rectification produces a huge, full-bodied soundstage and an angelically sweet and dynamic midrange. This preamp is just a joy to listen through.
The Verve preamplifier features 100% hand wired point-to-point circuitry in the audio as well as the power supply circuit. The front panel is heavy duty Mercedes Silver powder coat with Steel Gray powder coat chassis. It features a soft start turn on circuit for gentle startup. The design places very little stress on the tube compliment. This assures extremely long service and sonic life of the tubes. Quality, Value, and Performance, by deHavilland, "Hand made in California with a passion for sound since 1997"
according to Kara:
The octal tubes we employ give you what in "Tube Lore" is described as "BIG TONE", something you just can't get with nine pin miniature tubes found in most preamps. 12AX7ís or 6922ís just can't get there. While many companies say that the simplest circuit is the best, they donít practice what they preach -- they have miles of circuitry and solid state regulation everywhere. Our R&D shows that regulated power supplies can ruin the dynamics and imaging, just like too much feedback does. We spend more time and money on our filtering and use big, strong 5U4 and 5AW4 tube rectifiers, because they provide super dynamics. Furthermore, all of our power supply and audio circuit wiring is point to point, using the best wire available and the best dielectric known to man -- air. And while others may dress their equipment up with fancy gold or chrome plating and exotic woods that offer little or no sonic improvement, we prefer to use premium components and provide you, the listener with affordable, high quality equipment. Our gear is literally overbuilt to last a lifetime! At deHavilland, we are serious when we say that we want more listeners to be able to experience the beauty of single-ended vacuum tube sound, making this type of pre amplifier available to a much wider range of listeners -- that's our story.
Why SET amplification? go to Conversation with Chief Engineer deHavilland
Verve Photo Gallery
dehavilland Verve Preamplifier, Soundstage, Feb 2003
* All octal tube compliment
* Vacuum tube rectification
* Output level balance controls
* Heater warm up delay timer
* Cardas Cable
* Silver teflon coated high purity copper wire
* Wonder Solder
* Ilinois capacitors
* Noble Potentiometer Stereo Volume Control
* Output level balance controls - optional
* 100% hand wired point to point circuitry
* NEW! Silver or black anodized brushed aluminum front panel
* Paint filled engraved logo
* Steel Gray High Gloss Metallic powder coated chassis
* Side Wood Panel Ready- Chassis includes 2 per side 8-32
threaded anchor points to mount custom side panels.
bandwidth 20Hz to 80 kHz
output class Class A
feedback zero negative feedback
maximum output 30 volts p-p, gain approximately 12dB
signal triodes 1 X 6SN7 (GT, GTA, GTB, WGT)
cathode follower 2 X 6AH4 Single Triode
rectifier tube 5U4 G, GA, GB
signal/noise ratio 85dB
inputs four stereo
outputs two stereo
input impedance 50k ohms.
output circuit Cathode follower, minimum 10k Ohm load
dimensions 18"w, 11"d, 6"h
weight 15 lbs. including shipping carton.
power requirement 115 VAC. 60Hz, 40 watts
deHavilland "Verve" Preamplifier
NOTE as of Sept 25, 2008 we will ONLY be building the Ultraverve and the Ultraverve Jr models.
Award Winning Single Ended Triode Amplifiers and Preamplifiers
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