A=1969 A=1970C=1971 D=1972E=1973 F=1974 G=1975 H=1976 J=1977 K=1978 L=1979 M=1980 N=1981 P=1982 R=1983 S=1984 T=1985 U=1986 V=1987 W=1988 X=1989 Y=1990 Z=1991 Z=1992 Disclaimer: These charts are for informational purposes only and are not a substitute for consulting your amp tube chart, amp repair shop and amp manufacturers instructions.
New original Fender reproduction, for the CBS era (1970s). Looks similar to the original Fender part number 0990947000. Black handle strap, metal reinforced, with chrome end caps - two screws in each end cap. See Data Sheet here The result is a T-nut that goes in straighter and holds tighter than ordinary T-nuts. Chrome end hooks - replacement for vintage and modern Fender amps. Does not contain Fender logo, so it may be used on other brands of amps.
"Tailless" Fender logo, cast metal, mounting screws included. Chrome metal caps - replacement for vintage and reissue Fender amps and Peavey amps. Used on Cyber Twin, Cyber Twin SE, Cyber Deluxe, Stage series, Deluxe 90 DSP/900, Ultimate Chorus, Princeton 65 DSP, '65 Twin Custom, '94 (Evil) Twin, "The Twin", Deluxe VM, Bandmaster VM Head, Steel King, and Bassman 300 amplifiers Includes mounting screws and nuts. Pack of 2 stainless steel handle screws for Fender style FAH-332, FAH-261 or FAH-262 handle. Designed to work with a 10-32 T-Nut, in cabinet wood of 3/4" or less. As a bonus, the 6-prong design ensures that your T-nut will stay in place even when working at the edge of a driver hole. Used on vintage and modern brownface and blonde tolex amps such as the 59 Bassman, Hot Rod Deluxe, Blues Deluxe, Blues Deville, Super-Sonic etc. Screws not included - order screw SC-402 separately (takes a pack of 4 screws). Chrome end hooks - replacement for vintage and modern Fender amps. Does not contain Fender logo, so it may be used on other brands of amps.
For most purposes, the vacuum tube has been replaced by the much smaller and less expensive transistor, either as a discrete device or in an integrated circuit.
and Canadian English) or (thermionic) valve (outside North America) is a device generally used to amplify, or otherwise modify, a signal by controlling the movement of electrons in an evacuated space.
The simplest vacuum tubes resemble incandescent light bulbs in that they have a filament sealed in a glass envelope which has been evacuated of all air.
When hot, the filament releases electrons into the vacuum: a process called thermionic emission.
It consists of a minimum of two coils, the primary and the secondary, wound on the same core.
An alternating current in one winding creates a time-varying magnetic flux in the core, which induces a voltage in the other windings.
Transformers are used to convert between high and low voltages, to change impedance, and to provide electrical isolation between circuits.
This is useful in converting the voltage from a wall outlet, typically 120 or 240 volts, into a higher voltage required by tubes in tube amps .