The 37a electron tube is a high figure of merit triode with an. It does begin to glow at at voltages over 250 to 300 volts depending on the individual tube. The thin glass tube envelope is 18 mm in diameter and, excluding the b7g base pins, is 47 mm tall. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962. This tube has a very high transconductance for exceptional performance in preamplifier and driver circuits. Made in ussr, reflektor factory for military equipments otk, military rhombus stamped. Home trending history get youtube premium get youtube tv best of youtube music sports gaming movies. Click to see all 6sn7 6sn7gt 12sn7 12sn7gt in stock. Its a common tube to swap in a jim kelley amp, as it handles the higher voltage well, and tames the volume a bit. Meanwhile the distortion products are lower than the 6922 but at 23 more gain see chart below. Variation from tube to tube is pretty bad, and the mathced ones tend not to stay matched for long. Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet. Please see the manual and blog post linked below for full details of what is.
Plate current 40 ma plate voltage 150 volts grid voltage 9 volts transconductance 45,000 umho 45 mav mu factor 52 interelectrode capacitance input 11 pf output 1. Highquality russian 6s45pe 6c45pe tube, equivalent to the we437. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Well, it was obvious i couldnt leave last post as it was. It uses a single pentode as the driver a 12hg7 video amp tube, and a solidstate. Dieters nixie tube data archive this file is a part of dieters nixie and display tubes data archive if you have more datasheets, articles, books, pictures or other information about nixie tubes or other display devices please let me know. Tube shuguang x2 free cryo 6922 6dj8 e88cc 6n1p cryo 6c45pi cryo 6cg7 6fq7. Basically, the 6c45 is a high mu single triode with a low plate resistance and a very high transconductance. Wcox056107b watercooled packaged chillers with helical. Modern use of the valve would be as a voltage amplifier in low.
Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. Russian 6s45pe 6c45p e 645 highquality triode vacuum tube used as a wideband power amplifier. Modern use of the valve would be as a voltage amplifier in low level audio circuits. Gary dews of borderpatrol has chosen 6c45pi driver tubes because it has. Sovtek says that one would have to parallel 15 dual 12ax7type tubes thats 30 sections to get the noise voltage down to one single 6c45. The 6s45pe is a highdurable, longlife triode vacuum tube used as a wideband power amplifier. You can use a c3m low gain in triode mode which is ideal here, a c3g, e180fe280f.
The anodes are shaped to present a small flat surface close to the grid with the main mass away from the central area. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. Some sellers on ebay have simply been advertising the 6ac10s as plugin substitutes for the 6c10. Vacuum tube amplifier using a pushpull pair of russian 6c45pi. Vacuum tube 6c45pi, sovtek antique electronic supply. It is especially useful as a local oscillator in high frequency and very high frequency receiver circuits. Russian 6p3s, 6p3se 6n3c, 6n3ce general tetrode, used in output stages of low frequency amplifiers. Were made for military equipment at reflector plant. Uhf voltage amplification in grounded cathode circuit in input and wideband amplifiers.
Added benefits of the tube are that it is very quiet. I had some and used them in my jks when i had them. The 6c4 is a miniature, mediummu triode suitable for use in a wide variety of general purpose applications. Note especially the space and clearance requirements necessary for servicing the unit. There is an option to change the driver for a different valve. The wellwritten owners manual recommends 300b tubes from. I struggle to find the internal capacitances of the 1sh29b in its data sheet. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Triode, usa customer service mf 9am4pm ct 18007743201 email us anytime.
Complete tube data is in every single box, like big transmitting us wwii tubes. All of the tubes were visibly upset at any screen voltage above 300 volts. Very high transconductance, incredible linearity, very low noise and low plate resistance. In one case to watch out for, the ei tubes are actually marked as 6c10s on the tube, but are actually in fact 6ac10s. The input noise resistance is 100 ohms, very low inputoutput capacitance and the dissipation are nearly 8 watts which sovtek claims makes it an ideal candidate for preamp, driver and signal processing applications. It does not have the same wattage ratings and will make the amp clip faster. Has anyone tried those 6ac10 tubes as a replacement for.
The 6c4 electrodes when put into pairs in the same envelope become the 12au7. Borderpatrol se300b stereo amplifier the audio beat. This amazing tube will excel in small signal applications, as well as a driver, or anywhere really precise performance is required. The 6y6 is a 6v6 type and can be used in its place.