Preamp tubes NOS and like new - the best of the best!
1 low noise tube) E81CC=12AT7 Siemens triple mica NOS 1971 copper grid posts 1 section) 12.0ma Gm=5900 1 section) 15.8ma Gm=7300 - Earmax Anniversary- Lector- Berning- Eclair Engineering 'Evil Twin' Tube DI (direct input box)- Atma-sphere preamp- JC Morrison custom phono
Hello friends! Finally, I finished working on a datasheet, in which I decided to combine the most popular amplifier pentodes and tetrodes. I...
Sutherland N1 preamp (nixie tubes!)
The DIY version of the ForeWatt tube preamp. The preamplifier uses the 12AU7 family of tubes that also includes ECC802S and ECC82 valves. The preamp uses a SRPP circuit and the gain is either 7 or 11.
Hi! Here some photos of a recently finished 10Y line preamp and it's assembly steps. This preamp is equipped with ELROG ER801A tubes which...
McIntosh kept the lights low in their room to show off the new C220 vacuum tube preamp. Who can resist the alluring glow of green tubes? Retail is $3,300 for the C220 which also features an ingenious headphone mute feature and electronic level adjustment for each of eight source inputs.
The DIY version of the ForeWatt tube preamp. The preamplifier uses the 12AU7 family of tubes that also includes ECC802S and ECC82 valves. The preamp uses a SRPP circuit and the gain is either 7 or 11.
Matt describes the design and construction of the 4S Universal Tube Preamplifier. The 4S Universal preamp is a super simple single stage line level Hi-Fi preamplifier that will work with any of the 9-pin miniature 12A*7 twin triode tubes (12AU7 12AV7 12AY7 12AT7/12AZ7 12AX7). You can change tubes to vary the preamplifier gain.
Quote: Rob those are the CSP-2 preamp and the Taboo 6W speaker amp. All tubes except the Sylvania 5U4G are old stock Mullard EL84 and 12AT7 in the...
Quote: Rob those are the CSP-2 preamp and the Taboo 6W speaker amp. All tubes except the Sylvania 5U4G are old stock Mullard EL84 and 12AT7 in the...
With the renaissance that vacuum tubes have been undergoing for the last decade or so, it’s more challenging than ever to create a tube preamp that stands out from the pack. So when engineer, musician, physicist and Portland local Damon Coffman told me he designed a new preamp that’s “amazing,” I was a bit skeptical. [...]
1964 Fender 6G6-B Bassman Preamp tubes: four 7025 (12AX7 types) Output tubes: two 5881 (a more-rugged 6L6 type), fixed-bias Rectifier: solidstate Controls: Bass Instrument channel: Volume, Treble, Bass; Normal channel: Volume, Treble, Bass; shared: Presence Output: 50 watts RMS Utter the word “Bassman” in guitar circles, and most players’ minds rush to the tweed-covered 4x10"
Preamp tubes: three 6J7, one 6N7 Output tubes: two 6L6 Rectifier: 5U4 Controls: Instrument Volume, Microphone Volume, Bass and Treble Speakers: one 12" field-coil speaker Output: approximately 20 watts RMS Guitarists playing anything other than big-band jazz or Western swing tend to approach pre-rock-and-roll tube amps with reservation. We’re often fascinated, and might enjoy a
Eimac 7034 4X150A Transmitting Tube NOS Pair + Documents (nice). One is dated from 1977 and the other from 1976, but both are indeed unused and include their original factory data spec sheets. Radio Transmitting Tubes (6146, 811A, 3-500Z, etc). Yes, it's that simple! This is a nice pair of NOS (new old stock) Eimac 7034/4X150A tubes. One is dated from 1977 and the other from 1976, but both are indeed unused and include their original factory data spec sheets. They're untested but I'll gladly take them back for a full refund if they're unhappy in any way! RETURNS: I will gladly take your tube(s) back for a full refund if you're unhappy for any reason. Yes, it's that simple! Please note that I reserve the right to issue partial refunds if tubes are missing, damaged, or without original boxes (when applicable). OTHER TUBES FOR SALE: I have many premium tubes for sale and will combine shipping if you buy multiple items. Click the links below to see what else is available! Audio Preamp Tubes (12AX7, 12AY7, 6SN7, 6DJ8, etc) Audio Power Tubes (6V6, 6L6, 6550, EL34, etc) Audio Rectifier Tubes (5Y3, 5U4, GZ34, etc) Radio Transmitting Tubes (6146, 811A, 3-500Z, etc) Other Tubes and Accessories (eye tubes, Nixie tubes, CRTs, sockets, etc) Wholesale Tube Lots (buy in bulk and save... great for resellers!)
The Carvin BELAIR 50 watt vintage tube amplifier brings the vintage era of rock guitar to life with it's classic EL84 design and passive tone circuits driven by 12AX7 preamp tubes. Housed in a tweed adorned 2x12-inch combo, this amp is sure to please the vintage guitarist.
I’m offering a full set of working circuit boards from a Vox AC30 CC2X amplifier, including all the major boards and the original tubes, as I’m transitioning to a new amp project that only requires the chassis from my AC30s. Included: Main PCB (Power Amp and Preamp sections) Power Supply PCB
Got several requests for this one. Basically, it's small preamp to plug into a mobile device for use with apps like iRig. Pretty simple circ...
Mic Preamp | KV5R.COM
