WebFeb 17, 2012 · The source-date code on a pot is a 6 or 7 digit code impressed into the casing of the potentiometer. For speakers this code can be 5, 6, 7 or 8 digits long, and it's ink-stamped or paint-stamped on the "bell housing" of the speaker. In either case, the … WebFeb 10, 2012 · I have a pair right next to me. They look exactly like that. The code is 12838G over 575817, which means 17th week of 196'8'. 575 is the manufacturer's code. Fender used many sources of OEM speakers including Heppner. Here's a good list of speaker mfg. codes: Common Guitar Speaker Manufacturers: 67 = Eminence; 137 = …
Identifying old CTS speaker TalkBass.com
WebSpeaker Codes And What They Mean. The picture is a section of the basket rim of a speaker. The 6 digit code indicates what manufacturer made the speaker and when it … WebVintage 1964 CTS 12" Woofer SPEAKER # S-20009 Date Code 137 447 NEEDS RE-CONE. Opens in a new window or tab. Parts Only. $30.00. micha-gordo (1,259) 100%. or Best Offer +$15.75 shipping ... CTS SPEAKER SHOP SCHEMATIC SERVICE MANUAL PART GUITAR AMP RARE VTG. Opens in a new window or tab. end use electrification
History of CTS Corp
WebCTS, Centralab, Stackpole. Date codes were usually in three or four digits, one or two digits giving the year (for many US pots one digit refers to the 1950s, two digits to the 1960s), and two giving the week of the year. … WebSep 12, 2024 · Here are the speaker codes for Vintage Fender amps. Fender Speaker EIA Codes CTS (Chicago Telephone Supply) 137 Jensen 220 JBL 73 Utah 328 Oxford 465 . Last edited: Sep 11, 2024. Reactions: JustABluesGuy. rolandson Dr. Stratster. Jul 13, 2015 14,218 Dystopia in the foothills of the Cascades. WebPiezoelectric speakers may also be incorporated as a driver for high frequencies in a full range audio speaker. CTS produces piezoelectric elements that can reliably withstand high power levels for extended time. CTS recommends 3203 material with high piezoelectric and electromechanical coupling coefficients for speaker applications. dr christopher keary