Made in the U.S.A! Add $10 for push on connectors for a Blues Jr.™ amp. A great projecttransformer that is compact and powerful and produces a more reasonable B+ voltage making it suitable for many cathode biased, single-endedand EL84 based circuits. 2" by 2-1/2" mounting centers means it willfit a Champ™ or Princeton™ chassis. This makes it a great bolt-inupgrade for the Blues Jr.™ (same color code leads, too) where a little higher B+ voltage and better voltage regulation are desiredfor more headroom or where 6L6/E元4 power tubes are to be installed for a more powerful amp. It also has a pair of brown leads rated 20V at 100mA. This is sufficient for a pair of E元4s in fixed bias or a pair of 6L6s in cathode bias or a single ended amp usinga big 6550/KT88 power tube - plus 3 or 4 preamp tubes. It will support a power supply rated approximatel圓65V DC at 150mA DC. It does not support a tube rectifier.It is rated 120V to 280V at 200mA with a 6.3V center-tapped heater winding rated 4A. TP24 power transformer requires a full-wave-bridge type solid-state rectifier. The production date code for the amplifier.Be careful! If this is the TP24 sold by allen amps. The last line will have 2 letters of theĪlphabet either printed or written by hand. "sign-offs" at the completion of sound and electrical tests, Is a Black and Silver label, which contains several lines for Which may be found on the back of the amp chassis. This code is located on the "QA" (Quality Assurance) sticker, Manufactured after 1989 include a date code on the amplifier. An example would be: EIAĦ06-4-21 would mean the 21st week of 1964. The last twoĭigits would refer to the week of the year i.e. If four digits are present, the first two digits Present, the first digit would refer to the year i.e. Numbers always begin with "606", and are followed by three orįour digits in various combinations. Transformers may help you to determine the date of production onĪmps that fall between the different dating schemes. This schematic is not generated by, nor authorized or sanctioned by the Fender Music Company, CBS Musical Instruments or other companies affiliated with. These codes are for amps with the serial number beginning with a MOD DOMESTIC T.T POWER TRANSFORMER 026821 GREEN BLACK This schematic depicts a modification of a manufactured CBS Musical Instruments Fender branded product. Therefore, if you have a push-pull pot, your amp is 1974 or newer.Īmps do not have a date code stamped on the tube location chart.
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