12ax7 comparison of current made tubes antique

12AX7 / ECC83 / 5751 - Audio Tubes - Tubes - Transmitting

12AX7 / ECC83 / 5751. The 12AX7 is one of the most widely used double triodes in audio circuits. There are several variations of the 12AX7. In most cases, they can all substitute for each other. See chart below for all the variations. Type. Description. 12AX7. This is the original version of this tube.

12AX7 Comparison of Current Made Tubes (Guitarsite

12AX7 Comparison of Current Made Tubes (Guitarsite) A Comparison of Current Production 12AX7 Tubes 2013. Saved by Annamarie Pearson. 39. Valve Amplifier Audio Amplifier Hifi Audio Audiophile Speakers Radio Amateur Amp Settings Circuit Diagram Radios. 12AX7 Comparison of Current Made Tubes (Guitarsite 12AX7 Comparison of Current Made Tubes (Guitarsite) A Comparison of Current Production 12AX7 Tubes 2013. Saved by Annamarie Pearson. 39. Valve Amplifier Audio Amplifier Hifi Audio Audiophile Speakers Radio Amateur Amp Settings Circuit Diagram Vacuum Tube.

12AX7 Tubes in Stock

12AX7 Philips/Amperex made in the Philips Bangalore, India factory, 1960s vintage. New Old Stock in white box, made in India, made for Various labels. Very rare to find the 1960s India Philips made tubes in the USA. These are great sounding alternatives to the Holland tubes Can I replace ECC83 pre amp tubes with 12AX7 pre amp Nov 14, 2018 · Here's the tubes I prefer in Marshalls. I'm old enough to have used all the old vintage tubes back in the day and I've tried nearly all new brands being made/ I did a first hand comparison of over a dozen different types awhile back on a mic preamp and

Highest gain current production 12ax7 Telecaster Guitar

Jun 04, 2017 · It compared quite a few different 12ax7 tubes (NOS and new production) from different brands and showed each ones gain factor, most of which were in the upper 90's in their gain factor. I'm still in the process of looking for the page, I'll post if I end Let's talk New Production Tubes (non-NOS) --- 12AX7 Page Jul 30, 2018 · 12AX7 Comparison of Current Made Tubes Amplified Parts Some may have seen it before - but the "noise" rating was interesting, as that is a critical factor for a phono preamp for many. Also the gain was interesting, but read the bottom of the

Mullard ECC83 (12AX7) Reissue vs Original An Electrical

A Tube Imp Mini Tube Tester was utilised to make a spot measurement voltage gain. Voltage gain is also known as amplification factor (mu) and is typically stated in the ECC83 tube datasheet as having a value of 100. Measurements were made of an original Mullard Blackburn ECC83, two of the reissue 12AX7 tubes and a JJ 12AX7 for reference. Tech Articles CE Distribution12AX7 Comparison of Current Made Tubes. A comparison of some of the most popular 12AX7s currently being produced. Use this chart as a starting point to find which current production 12AX7 will work best for you. 2016 update.

Telefunken 12AX7- Vintage Tube for sale online

item 2 4 Vintage Telefunken ECC83 12AX7 Tubes good tested ECC 83 2x same Code 2 - 4 Vintage Telefunken ECC83 12AX7 Tubes good tested ECC 83 2x same Code . Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Vintage Tubes & Tube Sockets Actually made andifference. I changed the Tube in my AKG Perception 800 series Mic. The The Tubeking's 'Tube Tasters Guide'made, how to decipher tube codes, and most importantly, how they sound. I will also detail long vs. short plate and gray vs. black plate. I am mainly going to cover 12AX7/ECC83 and 5751 type pre-amp tubes and EL84/6BQ5 power tubes:since these are some of the most popular and in demand tubes for guitarists and audiophiles. I will also get into

Vacuum Tube - 12AX7 / ECC83, JJ Electronics Antique

Tube characteristics can be different from brand to brand, and because the tone of tubes can be highly subjective, we can not verify if these tubes will get you your desired tone. You can visit the "Tech Corner" of our website for a 12AX7 comparison of current made tubes. This has a wealth of information to help you make a decision. Vacuum Tube - 12AX7 / ECC83, Mullard Reissue Amplified Russian-made Mullard Reissue 12AX7 dual triode. Large sound stage with excellent detail. Factory selected for low noise and microphonics. Great for hi-fi amps. Premium high gain Twin Triode ideal for use in HiFi preamplifiers. Replicates the sound signature of the large plate Mullard ECC83 tubes popular in the 1960s and 1970s.

Vacuum Tube - 12AX7 / ECC83, Mullard Reissue Antique

Russian-made Mullard Reissue 12AX7 dual triode. Large sound stage with excellent detail. Factory selected for low noise and microphonics. Great for hi-fi amps. Premium high gain Twin Triode ideal for use in HiFi preamplifiers. Replicates the sound signature of the large plate Mullard ECC83 tubes popular in the 1960s and 1970s.12AX7 COMPARISONS - World Tube CompanyResponse:In the old days the 12AX7 and 7025 were different quality tubes. 12AX7 is the U.S. and 7025 is the industrial name. 7025 is higher in gain and a bit brighter then the 12AX7. Its also more heavy duty so it can take a beating. Nowadays tubes are not made this specific so the name means almost nothing except on old tubes.