This line of solid state amplifiers with tube emulation provides analog-based amplification with special circuitry to emulate the compression and dynamics of vacuum tubes.

They are equipped with Celestion speakers (except the discontinued DG-65R/D models).

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[/QUOTE]somewhere on fender's site should be a link to a site which has the info about all fender's amps and serial numbers.I found an amp at a store (used) and they said they couldn't tell me the year because they didn't know. The transformers, the speakers, the pots all have manufacturer codes that date them. alot for the websites, but the serial number was the amp number, not a parts number.I said check the serial number and they said they couldn't find the year by looking at the serial number. I hvae been to the site and couldn't find any e-mail links. The number is B-045190 for anyone who might know.(its a Fender Hot Rod Deluxe)I found an amp at a store (used) and they said they couldn't tell me the year because they didn't know. Apparently from site #1 (which I found the most info at) you can only date the amp by the serial numbers of parts.All you need to be able to do is know if it's from the 60's, 70's or 80's. So the first digit of the serial number tells you which year in the 70's it was made. Another reliable way to date your amp, within a year or so, is to look at the date codes stamped on the volume and tone pots.That'll tell you when the pots were made, and the amp is usually not more than a year older than that.Thanks alot for the websites, but the serial number was the amp number, not a parts number.Apparently from site #1 (which I found the most info at) you can only date the amp by the serial numbers of parts.The YGA-1 (a 45 watt amp head) and the YGM-1 (a 1x12 20 watt tube combo) were the first products of this research.Full production of these amps began in 1966, and the release of new models continued until the 70s.I said check the serial number and they said they couldn't find the year by looking at the serial number. I hvae been to the site and couldn't find any e-mail links. The number is B-045190 for anyone who might know.(its a Fender Hot Rod Deluxe)They started making those amps in 1996. The transformers, the speakers, the pots all have manufacturer codes that date them. I discovered this because the letter on the serial number I have, is a 1991 model.The amp with this serial number only came out in 1996.In 1963 Traynor amps were designed by Peter Traynor, a music shop (Long & Mc Quade) repairman who had been customizing amplifiers as a way to save costs for the business.Through experimentation and experience, Traynor developed a bass guitar amplifier that he called the Traynor Dynabass.there's all sorts of interesting traynor-related stuff on there.The Velvet Black site linked above is notoriously wrong about dating Traynor amps by serial.