• TrANsfer ChArACTerisTiCs pLATe ChArACTerisTiCs A. F. DOUBLE TRIODE Ug(V) Ua(V)-4 -3 -2 -1 0 0 1 2 3 4 5 6 0 50 100 150 200 250 300 350
  • Premium Selected ECC83 / 12AX7 Preamp Vacuum Tube, JJ / Tesla Valve topfit Für Tesla Model 3 Wagenheber Pad 4 Pack Jack Point Pad Stabiler Adapter Gummi Protector für Model 3 Model S Model X
Editors note. What follows is a reproduction of Matt Lachesky's (Lachesky Amplifiers) excellent post on Marshall Amplifiers discussion forum in August 2011 describing his in-depth comparison of the physical characteristics or the Russian 'New Sensor' reissue 12AX7 (ECC83) with the original Mullard ECC83 manufactured in Great Britain.During their history Mullard produced several variants ...
ECC83 page sheet date 1 1 1954.11.11 2 1 1960.05.05 3 2 1954.11.11 4 2 1960.05.05 5 3 1955.02.02 6 3 1960.05.05 7 4 1955.02.02 8 4 1960.05.05 9 A 1953.06.06
The 12AX7WA is a medium gain valve and was the valve targeted for many Fender Amps. Fender re-branded this valve and called it the Groove Tubes 12AX7. Folks should use these in amps such as the Fender Hot Rod Deluxe. DeVille because replacing the originally fitted valves with the higher gain standard ones makes the amp volume setting a bit tricky
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    Premium Selected ECC83 / 12AX7 Preamp Vacuum Tube, JJ / Tesla Valve topfit Für Tesla Model 3 Wagenheber Pad 4 Pack Jack Point Pad Stabiler Adapter Gummi Protector für Model 3 Model S Model X Find many great new & used options and get the best deals for VOX Bulldog distorsion Stompbox Pedal 12ax7 ecc83 tube sound valve valve... at the best online prices at eBay! Free shipping for many products! Edicron - 12AX7LPS - Edicron 12AX7LPS ECC83 Double Triode Valve - High-µ, low current double triode valve housed in a standard miniature B9A envelope. Javascript is currently disabled in your browser, please turn it on to avoid loss of functionality.The ECC83 Gallery 12AX7 E83CC 7025 ECC803S: 5751 CV4004 CV492 B339 . The quality of Philips ECC83 (developed in 1954) has always been very good. Even the standard types made in Heerlen (shown in the first two pictures on the left side and labelled Amperex, Valvo, Philips a. The 12AX7WA is a medium gain valve and was the valve targeted for many Fender Amps. Fender re-branded this valve and called it the Groove Tubes 12AX7. Folks should use these in amps such as the Fender Hot Rod Deluxe. DeVille because replacing the originally fitted valves with the higher gain standard ones makes the amp volume setting a bit tricky ECC83 M8137 CV4004 Mullard Valve Tubes Box Anode British + Add to Wishlist + Add to Compare; Add to Cart. Y-799 Y799 EIMAC USA RF Power Tetrode Valve Tubes . The Mullard curves for the ECC83 were supplied for V a =100V and V a =250 and this along with published 'application' circuits led to many similar ECC83 based 'designs' which could have been better optimised with a little effort by investigating other operating conditions especially at lower V a A Telefunken ECC83 sucks you into the music - and it challanges you. This is the legendary ECC83 / 12AX7 Telefunken smooth plate with diamond bottom. Having a very smooth response with articulated bass, this tube is one of the most desirable 12AX7 variants available. These are VERY rare and in short supply.Tubes (Valves) Tube Amp Doctor 7025 / ECC83 Preamp Tube; Previous Next. Tube Amp Doctor 7025 / ECC83 Preamp Tube Single Tube. Item # 50225. In stock, ready to ship! I've never seen charts of valve characteristics at low voltage despite a number of low voltage designs on the web, so I set about measuring an JJ ELECTRONIC ECC83 (12AX7) to get my own charts. Remarkably it's quite usable with positive gate bias (and gate current of about 1mA) The load line is for a 2k2 plate/anode resistor. Jul 01, 2011 · The 12AX7/ECC83 is a high-gain (Av~=100) tube/valve, where the 12AU7/ECC82 is a medium-gain (Av~=17-20) tube/valve. Were you intending to adapt the schematic and components used for the medium-gain tube/valve? Replacement Valve Kit For Fender Blues Junior Amplifier (2 x ECC83 1 x Balanced ECC83 2 x Matched EL84) (2 x ECC83, 1 x ECC82, 2 x Matched EL34) Guitar Amplifier Valve Kit 79 Beeindruckender Ton - Die höchste Priorität für jeden Gitarristen muss der Ton des Verstärkers sein. 12AX7 (also known as ECC83) is a vacuum tube that is a miniature dual- triode 6AV6 with high voltage gain. Developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947. Valve Rectifiers Some small valve rectifiers EZ81 / 6CA4 are indirectly heated and can be run from the same heater supply as the other valves in the amp. Most, however, are either directly heated (i.e. the heater and cathode are one and the same) or the heater is connected internally to the cathode. Vintage Audio Valves have such a wonderful rich musical tone & will enhance your equipment’s sound. “Tube rolling” with quality vintage valves is a lot of fun and will produce wonderful improvements to the tone of valve driven hi-fi component and valve guitar amplifiers. The ECC83 is a high gain valve with a gain of about 100. Anode current is nominally around 1mA JJ Electronic ECC83S and Gold Pins Version This has quite a different construction than most ECC83's and they look very well made. They tend to have a clean sound and are low in noise.ECC83 valve/tube by MULLARD. 1600 H4 - Blackburn August '54.Valves & Bases; Pre-amp, driver valves B9A & B7G; 12AX7/ECC83 double triode; 12AX7/ECC83 double triode. Title SKU Price Add to Cart form Weight Stock ; Svetlana 12AX7 ... New generation ECC83 tube, manufactured using traditional British 'Trustworthy' standards giving solid construction to eliminate unwanted microphony. GD 6SL7GT This tube is an octal-based high mu twin triode with separate indirectly heated cathodes. 12AX7 (also known as ECC83) is a vacuum tube that is a miniature dual-triode 6AV6 with high voltage gain.Developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.. The 12AX7 was originally intended as replacement for the 6SL7 family of dual-triode amplifier tubes for audio ...A Telefunken ECC83 sucks you into the music – and it challanges you. This is the legendary ECC83 / 12AX7 Telefunken smooth plate with diamond bottom. Having a very smooth response with articulated bass, this tube is one of the most desirable 12AX7 variants available. Nov 05, 2007 · andrew's right tho', whilst it will work, valves are very tolerant, you are dropping the valve into a 'framework' of resistors optimised for ecc83, and it will put all the operating points of the 12at7 all to cock, so you may need to change load resistor, cathode resistor, and power supply dropper, and for that, you need to understand the ... In this amplifier it is possible use any kind of 12AX7, ECC83, E83CC, CV4004. About the PCL82 use Philips, Siemens or Mullard and if you change the filament is possible use ECL82. The power supply fix the filaments reference at +150v instead of 0v for the PCL82 to consider the max cathode to heater voltage. Brimar thermionic products ECC83 is our classic dual triode. Selected for its ‘neutral’ gain character, it is most suitable for audiophile hi-fidelity pre-amp applications. Alongside its classic plate and soft anode design, it has a very rich and smooth sound that hi-fi enthusiasts will love. Nov 05, 2007 · andrew's right tho', whilst it will work, valves are very tolerant, you are dropping the valve into a 'framework' of resistors optimised for ecc83, and it will put all the operating points of the 12at7 all to cock, so you may need to change load resistor, cathode resistor, and power supply dropper, and for that, you need to understand the ... Valves/Tubes; All - 12AX7, ECC83, 5751; All - 12AX7, ECC83, 5751. 12ax7, Ecc82, ecc81, 5751, 12au7 and many supplied tested and graded (see options on the valve page ... NOS MULLARD 12AX7-ECC83 1PCS NOS tube valve. $67.97 0 bids + $13.59 shipping . 2 x RFT ECC83 12AX7 Tubes . $55.00 + $10.00 shipping . Picture Information. Opens image ...
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The 12AX7WA is a medium gain valve and was the valve targeted for many Fender Amps. Fender re-branded this valve and called it the Groove Tubes 12AX7. Folks should use these in amps such as the Fender Hot Rod Deluxe. DeVille because replacing the originally fitted valves with the higher gain standard ones makes the amp volume setting a bit tricky

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  • Billington Export Ltd are one of the largest tube and valve dealers in Europe, holding 1 million valves stored at two sites totalling 11,000 sq. ft. We are a helpful and reliable supplier, established for almost 40 years.
  • Use this bracket and spring retainer to secure ECC83-sized valves in your amps. It’s an alternative to the traditional shield. It works with standard ceramic 9-pin valve sockets.

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Telefunken Ecc83 12ax7, Ecc83 Tube, Philips Ecc83, Amperex 12ax7 Holland, Rft 12ax7 Tubes, Vacuum Tubes 12ax7, 12ax7 Tubes Ge, RCA Triode Vintage Tubes & Tubes Sockets, duMONT Triode Vintage NOS Tubes, Triode Tube Amplifier In Vintage Amplifiers & Tube Amps

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  • This new old stock 12AX7-A ECC83 Foil Getter preamp tube was made by Shuguang in the now closed Beijing factory. They are the highly sought after version that are no longer made and getting difficult to find. It is a high quality preamp tube and is regarded for its clarity and brightness.
  • ECC83 page sheet date 1 1 1970.01 2 2 1970.01 3 3 1970.01 4 4 1970.01 5 5 1970.01 6 6 1970.01 7 FP 1999.08.14

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ECC83 - 12AX7, 7025 U b = 250 400 250 400 250 400 V R a = 47 47 100 100 220 220 kΩ R g = 150 150 330 330 680 680 kΩ R k = 1,2 0,68 1,5 0,82 2,7 1,2 kΩ I a = 1,18 2,45 0,86 1,72 0,48 1,02 mA Operating characteris-tics: Resistance - coupled amplifer cathode grid bias

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And just like the original 2061, it produces that highly desirable, hand-soldered, vintage, all-valve sound in a compact small box design. The 2061X’s classic tone is produced by two ECC83 valves in the preamp, a pair of cathode biased EL84s in the power stage and a silicon diode rectifier.

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Yes, Tim - the sample-to-sample variability of any FET is wide enough that 0.8mA could easily be possible. But running the LND150 like that is not optimal - when Vds is very low (as in <0.5V in this case) the temperature stability is degraded, the current-stability is dependent on the upstairs device's actual Vgs, and the effective capacitance is increased.

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1 X “CHELMER valve” branded ECC83 (12AX7) tube, 17mm smooth plate, EI/Yugoslavia - $32.00. FOR SALE! 1 x “Chelmer valve” branded ECC83 (12AX7) tube, 17mm smooth plate, EI/YugoslaviaYou 391943189053

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Heart valve disease occurs if one or more of your heart’s four valves do not work well. Learn more about causes, risk factors, screening and prevention, signs and symptoms, diagnoses, and treatments for heart valve disease, and how to participate in clinical trials.

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ECC83/ 7025-HARMA DR250 Harma Valves The Harma 7025 STR DR250 is a close sounding recreation of the famous USA made 7025 valve.The valve supplies a tight ... In stock £16.00 Buy Now ECC83/ ECC803S-JJ TESLA JJ Tesla The JJ-Tesla ECC803S is a warm sounding large long anode plate designed ECC83.

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