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Tube rolling the Baby Black Beauty or CF amps



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(pair of) SILVER-7t's

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Post Wed Jan 22, 2014 8:41 pm

Re: Tube rolling the Baby Black Beauty or CF amps

Snoop65 wrote:
MRHP wrote:
Magnaryder wrote:So Eric, what have you rolled into your BBB amps? I'm curious about the differences in the 12AX7s.


Ray, here are a few that I have rolled and a short description. BTW the 12ax7 socket is cool because you can run a 12au7 or 5751 in it.

Mullard 12ax7 10M series; full bodied, warm smooth mids.
Amperex 12ax7 labled Sel Lorenz with falcon logo dimple disc getter; big fat soundstage kinda like a Telefunken on steroids.
Mullard 12ax7 labled Siemens ECC83 with falcon logo; a little flat sounding untill I use them on a harsh/bright recording and they really sound great.
1949 Ken Rad 12ax7; these sound great with any music nice airy topend and smooth midrange and bass
GE 5751 five star triple mica black plates; nice tight bass, very focused and a bit steril.
1957 Sylvania 5751 triple mica black plate d-getter; very nice airy topend tight bass liquid midrange, these babys are nice.
1957 Brimar 13D5 (12au7) very mellow and s.w.e.e.t. low noise, not even a hint of harsh-ness
1957 Amperex ECC186 / 7316 (12au7) very 3-D with airy open topend and liquid midrange.

Eric, you forgot to warn Ray about the Mullards 10M prices, you don't want him to have a heart attack! I have to back you up on the Siemens dual post getter 12AX7 it's a awesome tube!!!

And I have to back you on the RFT 12AU7 midrange- that's where I am at. 8) :lol:
Good sound—like good music, good wine and good fellowship—is meant to be shared.
"The difference between genius and stupidity is that genius has its limits" Albert Einstein


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Location: Bucyrus, Ohio

Post Fri Jan 24, 2014 7:36 pm

Re: Tube rolling the Baby Black Beauty or CF amps

MRHP wrote:The sylvania 5751's can get expensive also. Im looking for a second set right now so I will have a quad for mono block operation.

I've been robbing folks at thrift stores, they have no idea what they have and it's all cheap. I've found Tele's, the Sylvania 5751s, Amperex Bugle Boy 6DJ8s and 12AX7s, Mullards and EIs that I 'might' have $100 in all together. I found a $25 signal generator filled with Telefunken audio tubes that looks like it has been well cared for. Can't wait to roll them in the Sunfire.

Thanks for the pointers guys!!!! Your advice has given me lots of things to think about and avenues to find some of this stuff without robbing the bank.


Its going to be used equipment when I sell it, so it may as well be used equipment when I buy it.

Tim deParavicini's E.A.R. Yoshino V20 Integrated Amplifier, Fosgate Signature Phono pre, No. 50 and 51 Carverfest Tube amps, Hammond M3 tube amp, Ariston RD-40 Turntable w/ Linn Basik LSV tonearn, Shure V15 type IIIG cartridge, Cardas Silver wire service and wire block, Carver TX-8 & 11 tuners, Carver TD-12 & 1700 decks, Tascam CC-222mkII CD recorder, Carver HR-742 reciever, DBX-3BX & 200xg & 120x, CarverAudio ALV prototypes, Alesis Studio One loudspeakers, Dahlquist DQ-8s, The Carver Research DarkStar Sub and Stax Earspeakers.

THIS SPACE FOR RENT...helping the blind to hear, one valve at a time

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