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8 Pages«<678
Tuberific Q&A from Bob Carver's eBay auctions
weitrhinoOffline
#71 Posted: Wednesday, March 1, 2017 3:03:26 AM(UTC)
 
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weitrhino

Medals:
Senior: Black Pearl device for multiple award; senior memberSite Builder: Black Pearl device for multiple award; major contributor to the Carver site! community.Yin Yang: Black Pearl device for multiple award; participated in audio Karma
Cee-Bang!: donated to fund CARVER site! hostingFeatured: systemCarver modified: Carver mk II, or self-modified owner
Music: extensive, varied collectionGreeter: most welcoming to new members

Rank: TO-247 Transistor


Groups: Resident

Joined: 1/19/2009(UTC)
Posts: 2,363
Location: Wichita Falls, TX

Was thanked: 820 time(s) in 576 post(s)
Gave Thanks: 739 times

Sold 2/25/17 was Bob's next pair of 350s for $7753.
 
Read the Q&A from the bottom up!
 
 
Question & AnswerAnswered On
Q: Hey Bob, Thanks for your response, I am going to bid (and hopefully win these bad boys.I saw in another post that you had a way to balance the output better on the C 4000. With new amps I am going to want to optimize the system, and since I am using your wonderful C 4000, can you share with me the mod? Also is there anything else that I should do to the trusty beast while I have her on the bench? Thanks so much, for your continued kindness, BruceFeb-24-17
A: Hi Tuninfork, Of course, I can, the intrinsic output impedance is very low on the C- 4000, however, there is a buffer resistor on each output which will seem to affect the balance (It doesn't really of course) when you drive multiple units because each loads the unit according to its input Z. Simply replace the buffers with a value ten times smaller than the factory installed unit. That will do the trick. Thanks for writing in. Best wishes and warmest regards, Bob Carver
Q: Hi Bob, I have been a fan since the cubes, and have owned a lot of your equipment, I currently use a Carver C 4000 with a MC2105 to drive my JBL 200's. This is my vinyl listening system(and sometimes an iPod) While the 200's are pretty easy to drive, I haven't been able to build a tube amp with the drive to make these speakers sing. (I build and restore tube amps as a business) I assume that your amps will easily drive these speakers to painful levels(not something as do as much as in the 70's) After watching sales of your amps I've decided I need to own a set and am going to be bidding on these. Will you amps be happy with the Carver and the JBL's?Feb-23-17
A: Hi tuninfork, You are making my day! I assume you have driven you speakers with tube amps from work, so you understand the improved sound that tube amps can deliver. It also sounds that you need more current and voltage to really make them light up your room. These amps of mine are just the ticket for you, as I have designed them to completely drive down to 2 ohms reacive, even actually slightly below that to about 1.6 ohms. No problem for these amps. Honest. As for the Carver's and the JBL's, again, no problem. Best wishes and warmest regards, Bob Carver
Q: Too bad you wont make a lower power version of these , (around 120 watts per} and on one Chassis. I purchased an HK CIT II from one of the last surviving Engineers...I would hope that yours will sound better I would assume somewhere around $ 2000.00 that I can afford.Feb-23-17
A: Hi Fourx, I do plan to make a lower power amplifier by early next year. I'm planning for it to be on a single chassis with four huge output tubes, though I don't know how expensive it will be . . . exactly, nor just how powerful. It is so cool that you found an original from the last HK designer . . . don't let it go, it sounds priceless to me, something very precious. No need to hope that mine will sound better, it absolutely, absolutely, WILL sound better! Thanks for writing and for joining me here, Bob Carver
Q: Hello Mr. Carver, I am currently the high bidder on this auction, though I know I do not have a "Rats Chance" at winning but in the event I did, could I have them picked up. My Uncle lives in Seattle, WA. and it would help, though NOT a deal breaker for sure. Also, I have a C-4000 that I have fallen in love with and I plan to use it with my 2 TFM-15s and I have found that there is an audible decline when I use both pre-outs to drive both amps. Just wondering the best way to give equal pre out-put power to both pre-outs as I feel the pre-out signal is divided when using both at the same time thus making me increase the volume. I am old school with my speakers, like your stuff, P.L., Carver, etc. , I am hooked on what sounded best to me in early 70's, Klipsch; (Heritage) JBL, ALTEC. Thanks for your time, and most of all, your AUDIO contributions. Respectfully, Fred Hayes.Feb-23-17
A: Hi 231' , of course, he may pick them up, and if your Uncle brings your C-4000 I'll fix that up so it can drive ten amps all at once! It's easy to do and will take about ten minutes. No charge of course. Thanks for writing in and for joinong my auction. Warmest, Bob Carver
Q: You reference your amps to many that I own. Citation II, Marantz 9's, 8b, 2's, one MC3500, Fisher SA1000, etc. So if I purchased one of your pairs of amps would I have more of the same? I like my Marantz 9's and 2's the best; for punch the SA1000. Your amps are marvelous looking and your write up is great as well. What I don't want is to purchase and find out I like my other amps as well or better. I learned in the corporate world that change is not always better; although usually just different. I also understand everything is a system approach. I sometimes use my high end computer for my music server, sometimes my Hovland preamp, or my Klyne. My speakers of late are B&W 801 Series II (fairly standard good speakers). I like the sound of my MC3500 but only have one and am not willing to keep it due to it's age, size, and weight. Any info and opinions are appreciated. - Dave BFeb-23-17
A: Hi Dave, those are great questions and they definitely need a great answer and here it is: forgive the poor punctuation, but eBay will not allow a word that is preceded by a period for some reason about half the time. I also have Marantz 9's and was smitten long ago, especially when I used them with electrostatics. I wanted to make my amps better than the 9s, and I have succeeded beyond my dreams. Far more power, better low-level resolution thanks to the DC restorer as well as those huge cathodes inside the KT 120s, finally, a larger soundstage than the 9s because the spectral energy in a special part of the frequency band, the Henry Kloss psychoacoustic octave, is produced by my output transformer which I designed and is the second best output transformer in the world. But here is the best part - if you don't want to keep the amp, I'll return your full purchase price with not a single question asked. Honest! Hope this helps, and thanks for joining my auction! Best wishes and warmest regards, Bob Carver
Q: Hi is this Bob carver?Feb-19-17
A: Hi '247, Yes, it is I, Bob Carver. Bob's my name, and amps are my game!
 
Main System:

180 Tube Monoblocks
ALS Hybrid Plats
Oppo BDP-93
TD-1400,
TX-11b
Sunfire Classic Vacuum Tube Preamp, fully loaded
C-9 Sonic Hologram Generator
Dual CS 505-1 turntable
Streaming iTunes through an Apple TV to a Cambridge Audio DacMagic 100

In Reserve: M500t, M500 MkII, AV-634, TD-1440

[b]On loan: C-16 preamp

Blue Mouth Promotions LLC Where the music matters most!
2 users thanked weitrhino for this useful post.
aslan7 on 3/1/2017(UTC), AndrewJohn on 4/13/2017(UTC)
weitrhinoOffline
#72 Posted: Wednesday, April 12, 2017 4:14:35 PM(UTC)
 
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weitrhino

Medals:
Senior: Black Pearl device for multiple award; senior memberSite Builder: Black Pearl device for multiple award; major contributor to the Carver site! community.Yin Yang: Black Pearl device for multiple award; participated in audio Karma
Cee-Bang!: donated to fund CARVER site! hostingFeatured: systemCarver modified: Carver mk II, or self-modified owner
Music: extensive, varied collectionGreeter: most welcoming to new members

Rank: TO-247 Transistor


Groups: Resident

Joined: 1/19/2009(UTC)
Posts: 2,363
Location: Wichita Falls, TX

Was thanked: 820 time(s) in 576 post(s)
Gave Thanks: 739 times

$7451 on 4/8/17
 
 
Question & AnswerAnswered On
Q: MR. CARVER, SO GLAD YOU ARE STILL DOING WHAT YOU WERE PUT ON EARTH TO DO! DID YOU ENGINEER THE PREAMP TO GO WITH THESE YET? LET ME KNOW WHEN YOU DO! BEST TO YOU AND YOUR FAMILY WARMLY, ALL HUSKIES .Apr-06-17
A: Hi 'huskys, You are absolutely making my day! As for the preamp, I'm working on it as we speak. I plan on it being done about a year from now. It's going to be 100% tubes, including a very QUIET phono stage for MM as well as MC. I've been working on a variety of circuits, and have already picked the topology that I like the most. It's just awesome! If I may say so myself. Thanks for writing, Warmest, Bob Carver
Q: Hi Bob, I see you started out your auction with a very low starting bid! I am just wondering if this amplifier will accept other, similar high quality tubes? Love the rich color! No doubt these amplifiers will get the best out of any speakers. What about the Apogees, which have something like a 1ohm impedance? Do you have any plans to offer your Amazing Line Source speakers on Ebay? I've read the Golden Ear award review in The Absolute Sound magazine, which describes the new technological advantage over the usual "point source" speakers on the market, so now i want nothing less, and the review said I wouldn't find anything better without getting something like the Langdorf Steinway at over $200,000.00. Another benefit, I see that they don't take up much space, and include a dual speaker SubRosa subwoofer that I could even put under my couch or on a wall which would please my better half. I hope I win the amps!!!Apr-03-17
A: Hi 'percenter, Great question, I designed this amp to accept a great variety of output tubes. You can use 6550's, KT88's, Kt120's Kt!50's. Believe it or not, it will work great with EL34's or even 6L6's. The old vintage standby 5881's will work as well. All you have to do is set the bias for .080 amps and let 'er rip! You could even try 6V6's, however, that might be stretching it a bit. If you look carefully at the pictures you will find me standing between a pair of Apogees, each with an input impedance of one (!) ohm. The big output tubes and extremely large transformers work together and are able to easily drive the big, majestic Apogees with aplomb. A walk in the park! As for the Langdorf Steinway, they are far more similar to my own original Amazing loudspeaker of long, long, ago, than my new line source. Besides, mine look better, don't you think? Warmest, Bob Carver
Q: Amazing work comrade. Its refreshing to see such inspiration and dedication. I am a maker as well, although in a completely different field. I make coffee liqueur in London and appreciate the effort involved in realising a product of true quality. I will probably loose out on this as will not have the money in time but would like to purchase your next project amp. I simply have to have one and please keep me in mind. I will be buying it to use in a cafe/bar setting. Tem www.coldandblac.comApr-02-17
A: Hi Tem, There is no doubt in my mind that you will end up with one of my amplifiers . . . I think it is thus writen! I wish I fully understood where the burning desire to make things comes from, it seems that we are all driven in one way or another. The desire does seem to spring unbidden; in my case, it called for me to build a new amplifier. After all, Bob is my name and amps are my game. Thanks for writing! Best wishes and very warmest regards, Bob Carver
Q: Bob: Is it possible to have one of your mist excellent receivers, vintage about 1984, tuned up and restored yo like-new condition? Cost no object (pretty much at least)? Charley Pearson Pearsoncs@gmail.comApr-02-17
A: Hi 'o9, Absolutely! The best man on the planet for this job is Bill Flannery; sunfirebill1 at gee male dot com. Give him a shout, he is the best. I would do it myself except I'm swamped, but Bill's shop is only a few blocks from my laboratory and we often work together on units. Hope this helps, Bob Carver
Q: Does a fork lift come with the purchase to get them off the ground lol? Bill SpulaApr-02-17
A: Hi '48, Actually, these amps may be successfully lifted by an average human being of normal physical dimensions with only the mildest effort. No sweat! They only weigh 48 lbs each, and you don't have to pick them both up at once! Just think how much a single chassis unit would weigh. About a hundred pounds, still not more than a good dance partner, and certainly a strong person could throw her/him around easily, or at least make it look that way! Thanks for writing in with such great and wonderful humor. Best wishes and very warmest regards, Bob Caver
Q: Please advise whether I can use KT150 tubes to replace KT120 tubes. Thanks.Mar-31-17
A: Hi rolling-drolling, Yes, you can. Just plug the new KT150s in, adjust the bias for 0.1 amp (100 ma), and away you go. That's all you have to do. I'm glad you asked - many others have asked the same question. I'm happy that the answer is easy and universal. Best wishes and warmest regards, Bob Carver
Q: Hello from Kansas City Missouri. I'm Rob Butterworth. I bought a pair of these incredible amps a couple years back and recently one of the KT120s went bad. It will not bias, has strange white coloring and a crack accross the top of the tube. I"ve never encountered this with a tube but there it is. I have no problem paying for the single tube but I did want to ask you as I remember reading that you said you have good stock of these tubes....This way I don't risk anything with Amazon. They have one for $97.00 so I'm happy to pay you. Just wanted to ask you first.. Thanks in advance. Rob btw I'm saving to buy a pair of your new line source speakers....WOW those look great!Mar-31-17
A: Hi Rob, The tube is guaranteed for my life as long as I'm alive. Send me your address and I'll send you a new one. The tube seems to have developed a crack, air leaked in and turned the "getter" white. The getter is the silver inside the tube and it's designed to grab onto random, loose air molecules and prevent them from impairing the operation of the tube. (Which requires a high vacuum.) By the way, the amp will work just fine with a tube missing, so while you are waiting for the new tube to arrive, you can take it out and continue to use your amp with a missing tube making it a five-tube amp instead of a six tube amp. Sorry 'bout that bad tube, but thanks for writing! Bob Carver
Q: Hey Bob, Hope you are doing well. Big fan, always had a dream of owning one of your tube amps. Love the silver seven with all those tubes I was just wondering if you knew or could recommend someone who rewinds transformers or can give me a lead on an orphan output transformer. I have an old Scott lk-150 that was poorly modified by my dad so Im sentimentally to it. It developed an occasional hum, I think the caps were going bad and it looks like my dad didn't insulate some of the leads on some capacitors so voltage may have arced so my cousin knows a a repair shop in Houston so I brought it to my cousin to get it fixed. My cousin listened to the amp and loved it, he keep listening to it instead of getting it fixed. It had a catastrophic failure. So when he finally brought it to the shop, the repair tech said it's output transformer was shot and need to be replaced and he knew of none with those spec so it was junk, Any help appreciated KurtMar-31-17
A: Hi 'star23, If you send me the dimensions of the output transformer ( H X W X D ), just approximately, as well as the output tube type - it will probably be a 6BQ5. a 6V6, or a 6L6 - I will be able to figure out a good transformer and tell you where you can find one. Sounds like you will then have a great amp new caps, new tubes and away you go! This will be easy to fix. Best wishes and good luck, Bob Carver
Q: Hi Bob..lm sorry about my past questions... honestly l was very skeptical about the price of those (expensive for me) beauties and of the real great Bob Carver being in eBay... Based on the challenge you had against Stereophile's? best audio l bought my first and only system which still sounds so good and l will always treasure...a Carver TFM35X...CT-6...SDA-360 CD and AL-lll Speakers...and although very modest l became very fond of You and your products...l love my system Bob and l only wish l've should bought another TFM-35X back then because when l turn the volume half way up it starts to cut off...and someone told me the speakers require more power....so l was looking in eBay for another TFM-35 to pair them as Monoblocks...Can advise me what would be the best way to go?...(l just hope You are the real Bob Carver)Mar-31-17
A: Hi '4me, The first thing to do is find out if I am the real Bob Carver. I'm going to pinch myself and if it hurts it's really me. Ouch! ! Well, I guess that does it - it's really me! I'll do some research and come up with some good advice. I'll look out into the world and find out what seems to be available, I'll get back to you after the auction is over, or better yet, you can contact yours truly. bob dot sunfire at gee male dot com. Not to worry, we can find a great solution together! Warmest, Bob Carver
Q: Can the winner switch the color to black? "She who must be obeyed" has told me that red is unacceptable in our décor.Mar-31-17
A: Hi 'thes, No sweat, you can have any color as long as it's Red or Black. I understand fully! Thanks for writing in, Best wishes, Bob Carver
Q: I will give you 2300 PayPal direct if you could pull them. I ll pay for shipping as well. I really don t want to wait for the auction to end, you could save the fees from @bay as well. Thanks Matt 512-788-3393Mar-31-17
A: Hi Matt, I would love to take you up on your offer, but it may be that your question is an old one. However, out of fairness, I must finish this auction. I am very happy that you are interested deeply in these amps, my pride and joys. Keep your passion and please stay in touch! Warmest, Bob Carver
Q: Is the HR-895 4 ohm stable?Mar-31-17
A: Hi 'prairie, It's even better than a mere four ohms - it's completely stable down to one (1!). Four ohms is a walk in the park! Thanks for a great question - I bet many have the same thought! Bob Carver
Q: I live in Snohomish. I assume local delivery is not a problem!Mar-31-17
A: Hi 'redhorse, Absolutely no problem! Come on over and pick it up when you win. Best wishes and warmest regards, Bob Carver
Q: why are these mono blocks selling for $20.50 ??Mar-29-17
A: Hi 4me, I think it's the current bid for a 10-day auction. Warmest, Bob Carver
 
Main System:

180 Tube Monoblocks
ALS Hybrid Plats
Oppo BDP-93
TD-1400,
TX-11b
Sunfire Classic Vacuum Tube Preamp, fully loaded
C-9 Sonic Hologram Generator
Dual CS 505-1 turntable
Streaming iTunes through an Apple TV to a Cambridge Audio DacMagic 100

In Reserve: M500t, M500 MkII, AV-634, TD-1440

[b]On loan: C-16 preamp

Blue Mouth Promotions LLC Where the music matters most!
2 users thanked weitrhino for this useful post.
Ar9Jim on 4/12/2017(UTC), AndrewJohn on 4/13/2017(UTC)
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