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vt-231 vt231 Ken-Rad Sylvania RCA 5692

Customer Comments
    

submitted on August 25, 2007 5:19 AM EDT
Your Name: Kees
Comments: Got some great sounding RCA and Sylvania 6SN7 from Bob. They are top quality and sound great. Great communication from Bob. I'll be back.
How did you find TubeSeller.com?
What is your tube equipment? Rudistor Egmont (Electrostatic headphone amp). RSA Stealth (Preamp headphone amp, OTL).

submitted on February 15, 2007 2:10 PM EST
Your Name: greger (Sweden)
Comments: Just got me a third pair of vintage 6SN7 tubes from Bob! Great service and friendly communication. Keep up the good work!
How did you find TubeSeller.com?
What is your tube equipment?

submitted on February 3, 2007 5:33 AM EST
Your Name: Kane
Comments: Got some TungSol Roundplates and Sylvania 6SNWs from Bob. Shipped fast and well packed too. A trustworthy source for the classic 6SN7s. Couldn't be happier, thank you Bob.
How did you find TubeSeller.com? Forum
What is your tube equipment? Singlepower ES-1 electrostatic headphone amp.

submitted on January 25, 2007 12:19 PM EST
Your Name: greger
Comments: Yapp!..bought me a new pair of toobes!
How did you find TubeSeller.com?
What is your tube equipment?

submitted on December 27, 2006 9:50 AM EST
Your Name: Jeff Yu
Comments: great site, very detail info for 6SN7 and getter. highly recommend.
How did you find TubeSeller.com? forum
What is your tube equipment? DIY for pre and power amp. power amp EL12 SE, separate power supply.

submitted on March 24, 2006 7:53 PM EST
Your Name: Chas Cagin
Comments: Nice website. Very informative. Thanks
How did you find TubeSeller.com?
What is your tube equipment? Atma-Sphere M60's

submitted on December 17, 2005 6:52 PM EST
Your Name: greger
Comments: Fast service,many classic "toobes" to choose from and great info!
How did you find TubeSeller.com? .....the "net".
What is your tube equipment? Audion Silver Night Premier pre amp(6922),Audion Silver Night Stereo 300B,Sun Audio "Uchida" 2A3,Audio Note Dac-1(E88CC)Precision Fidelity C7AR preamp(used as Riaa).

submitted on September 28, 2005 10:39 PM EDT
Your Name: Al Helo
Comments: Great site but paypal is the pits.
How did you find TubeSeller.com? referral
What is your tube equipment? Supratek Cortese Atma-sphere Mai silver with all factory upgrades to Mk3 and resistor , power supply upgrade

submitted on August 26, 2005 9:46 PM EDT
Your Name: Rory Hoy
Comments: Very useful information.
How did you find TubeSeller.com? Easy to browse to find good info.
What is your tube equipment? VAC PA160 MkII amps, running chinese KT88's and various 6SN7's (x 2 ea amp). Stil looking for a "good" sounding 6SN7 tube.

submitted on May 6, 2005 11:13 AM EDT
Your Name: Gordon Johnston
Comments: Mr. Malecki, Please notify me when you receive a well-matched NOS pair of Tung Sol Round Plate 6SN7 (Black Glass ideally). The Supratek discussion group on Audiogon swears by them. I am in no rush, and prefer to buy from a reputable dealer. My email is g.johnston@unescobkk.org . Thank you, Gordon Johnston (Bangkok, Thailand) 6 May 2005
How did you find TubeSeller.com? Audiogon discussion group
What is your tube equipment? Supratek Cortese preamp (new model), vintage Conrad Johnson MV75A-1.

submitted on May 5, 2005 4:23 PM EDT
Your Name: David
Comments: This is the best tube site going and Bob is incredibly helpful. It's amazing what the right pair of tubes will do for your system.
How did you find TubeSeller.com? Google
What is your tube equipment? Rouge 99 Magnum pre-amp. Belles 150A Reference Amp.

submitted on March 9, 2005 5:39 AM EST
Your Name: David
Comments: Very nice site..You do a great service for those looking for this wonderful tube(6SN7). I WILL be buying from you.
How did you find TubeSeller.com? Browsing
What is your tube equipment? DeHavilland Aries 845G...DeHavilland Mercury Pre-amp...Vintage (1968) Bozak B-4000 Symphony...McIntosh MCD-205 CD changer.. McIntosh MR-71 tuner...VPI Aries W/ JMW-10/ Ortofon MC 25FL

submitted on September 28, 2004 6:06 PM EDT
Your Name: Ken Widlake
Comments: Cool site !
How did you find TubeSeller.com? Google
What is your tube equipment? 2 RCA Single Ended Mono Blocks w/CyroValve KT88's, McIntosh C29 Stereo Preamp, Klipshorns

submitted on September 14, 2004 1:21 PM EDT
Your Name: Robert liss
Comments:
How did you find TubeSeller.com? AudiogoN
What is your tube equipment? Lamm 2.1 Monobloc Amps VTL 7.5 Pre-Amp Aesthetix IO Phone Section

submitted on August 30, 2004 9:07 PM EDT
Your Name: Randy Young
Comments: Great service and tries hard to satisfy and now days that is a dying art, thanks Bob!
How did you find TubeSeller.com? Audiogon
What is your tube equipment? Rogue 99 Magnum pre-amp (2004)

submitted on July 29, 2004 7:16 PM EDT
Your Name: Brad Caplow
Comments: Absolutely first rate on all accounts! The tubes are excellent, the service is excellent, and the service Bob provides to the "6sn7-world" in general is excellent.
How did you find TubeSeller.com? Audiogon
What is your tube equipment? Aesthetix Callisto Signature linestage, Sun Audio SV-2a3, Atma-Sphere S-30 & MP-3,(a lot of 6sn7's in that stuff),a small collection of old Mac gear.

submitted on April 22, 2004 4:14 AM EDT
Your Name: Jess Montemayor
Comments: Your collection of tubes is very extensive for those who need the 6SN7 tubes. Would be great if you can handle one or two more types that are commonly used in Preamps or Power Amps
How did you find TubeSeller.com? I like the comments on the tubes. Would appreciate if other than your own opinions you could site links to reviews, etc that would support your evaluations of the tubes performance.
What is your tube equipment? Quicksilver Full Pream Musical Fidelity Oddyseus Musical Fidelity CDT Compact Disc Player Class A Single Ended Triode

submitted on April 6, 2004 1:01 AM EDT
Your Name: Roger
Comments: Very interesting site, Lots to read and learn. Thanks for the general info.
How did you find TubeSeller.com? google
What is your tube equipment? I'm a "new" EE graduate and am very interested in Audio Amplifier design.

submitted on March 28, 2004 8:24 PM EST
Your Name: William Lebejko
Comments: Nice web site.........very dedicated To The 6SN7........What is the sound diff> between the various VT-231's vs. 6SN7???
How did you find TubeSeller.com? Audiogon
What is your tube equipment? David Berning microZOTL head-phone amp. (2) 12At7 as phase splitters and (2) 6SN7 output tubes,My handle on Audioasylum is FlynBilo...E-Mail FlynBilo@earthlink.net

submitted on March 1, 2004 6:23 PM EST
Your Name: Steven Prieto
Comments: Bob, The Neotron 6SN7 tubes which I purchased from you are truly an outstanding example of a quality 6SN7 tube!.These Neotrons have done wonders for my 845 setup. Dead quiet with no distortion. Killer soundstage. Killer purveyor of micro information! Very dynamic. Great separation between instruments and voices. These tubes exhibit a lifelike "presence" on brass, strings and the human voice. They also convey a timbre on piano that adds to the "live" experience of these tubes. Needless to say I am Thrilled with these Neotrons and what they have done for my setup. Thanks.
How did you find TubeSeller.com? In search of 6SN7 tubes on web
What is your tube equipment? Dehavilland Ultraverve Preamp Sophia 845' amps. 6sn7 model ESG1 Ribbon Tweeters PHL 1660 mids NHT1259's, soon to be swiched to Tannoys. Empirical pc interconnects Empirical Clarity 7 Speaker wire.

submitted on February 2, 2004 6:26 AM EST
Your Name: Marcel Treier
Comments: good stuff and info
How did you find TubeSeller.com? searching for 6sn7 tubes
What is your tube equipment? Cayin 9021D with VT4C Ge/VT-231 RCA/CCa Siemens

submitted on January 15, 2004 5:34 PM EST
Your Name: Rick Hudak
Comments: I have nothing but praise for Bob and the way he conducts business. Products are always as discribed, emails answered very quickly and cordially, and transactions go as smoothly as you could want.
How did you find TubeSeller.com? Audio Asylum
What is your tube equipment? Audio Note Kit 4 amplifier

submitted on January 10, 2004 8:55 PM EST
Your Name: Len
Comments: Thanks for the terrific Brimar CV1988s. They came in conditions as advertised and have worked out beautifully in my system, giving me back the bass and treble that I've been sorely missing with my previous aging Syvlanias. These Brimars are absolutely gorgeous sounding. Your service was impeccable and I'd recommend you to anyone looking for 6SN7 tubes. Thanks again!
How did you find TubeSeller.com? Sterophile online
What is your tube equipment? Cary 300SEI

submitted on January 4, 2004 8:04 AM EST
Your Name: Scott
Comments: nice web site
How did you find TubeSeller.com? A searc on Goolge
What is your tube equipment? Cary audio V12r amp and a tube output CD player

submitted on December 27, 2003 6:03 PM EST
Your Name: Brian C
Comments: Bob, I just wanted to say thanks for the great Sylvania, Raytheon and Tung-Sol tubes! I never thought I would have more that one set of premium tubes for a single position in my Cary SLI-80. I love all 3 sets for there individual sonic qualities. Each one is very unique. Brian C Vancouver, Canada Excellent service too!
How did you find TubeSeller.com? Surfing the net
What is your tube equipment? Cary SlI-80 Ah! Njoe Tjoeb

submitted on December 15, 2003 9:54 PM EST
Your Name: gary horst
Comments: Bob is informative, the products I have received test and perform to what he describes. Fast delivery, well packed. If your tired of quessing what you get from an auction (no names) instead try working with Bob.
How did you find TubeSeller.com? 6sn7 rating review
What is your tube equipment? 300b (Valve Arts 98C) SET modified JE LABS schematic (6sn7-300b stereo switchable dc on 300b filaments). Sylvania 6sn7w (from Bob's Tube Seller) Lowther pm6c vented (tuned with equipment). Additional Bass boost HH scott 299c Modified (bypassed preamp) into acoustically suspended 12 inch woofers. No crossovers.

submitted on December 7, 2003 4:22 PM EST
Your Name: SE
Comments: Right up front: I just purchased several sets of tubes from tubeseller.com, and they're terrific. Next: I don't know Bob from a hole in the wall...I paid my money, and I took my chances. I did good. Thanks, Bob! As an audiophile and serious music lover, I learned a few years ago about the significant improvements tubes can provide to digital sources. I also quickly learned about "NOS", along with the difficulties that can arise when purchasing tubes over the internet. As a hobbyist, I'm not personally involved with a lot of the more technical aspects of tubes -- I just want the great sound. When I went searching recently for a source of high-quality 6SN7's for my pre-amp, I came across Bob Malecki's site. I had a few initial thoughts. The first was, "Wow. You've got to be very serious about your 6SN7's to devote an entire site to this single tube category. The second was, "Nice site. Great information, nice selection and clear pricing (perhaps not the cheapest, but not the most expensive either)." What I got: 3 pristine pairs of NOS tubes, delivered promptly. Hand-picked by a guy who knows much more than I'll ever know about tubes -- and is obviously willing and able to pass through that knowledge to deliver a quality product and service.
How did you find TubeSeller.com? Internet Search, Audio Asylum Forum
What is your tube equipment? AE3/DJH Pre-Amp

submitted on November 22, 2003 1:18 AM EST
Your Name: Steve Daigneault
Comments: Asked Bob for some help tracking down black-glass, tungsols, round plate 6SN7GTs... and man, did he deliver!! I got a perfectly matched pair, ABSOLUTELY NOS, still in their boxes, intact, from 1942. WOAH!! What a find, what a tube, I AM SO HAPPY. thanks Bob!! I will definitely be coming to you again...
How did you find TubeSeller.com? Audiogon
What is your tube equipment? Supratek Syrah preamp VAC 70/70 mk. 3 amp

submitted on November 9, 2003 3:20 PM EST
Your Name: brian cowden
Comments: good presentation of your site --
How did you find TubeSeller.com? surfing the internet and listing on audiogon
What is your tube equipment? rogue magnum 99 -- llano hybrid -- jolida CD one question: my preamp uses 4 6sn7s -- I'm currently using 2