Studio Preamp. SP - 00xxx. Bass B - 00xxx. FF - 00xxx. Simul S - 00xxx. T - 00xxx. Decal on the inside of the tube bay on the left vertical wall facing the rear of the amp.
N - 00xxx. Dual Rectifier, Triple Rectifier, Tremoverb. R - 00xxx. Decal at the rear of the chassis on the same side as the power tubes and near the AC in.
Amp Switcher. M - 00xxx. Decal on the underside of the chassis. V-Twin Pedal. V2 - 00xxx. Decal underneath the metal tube cage. DC - 00xxx. Decal on the underside of the chassis near the power tubes and AC in.
Blue Angel. BA - 00xxx. Subway Blues. SB - 00xxx. Mesa Boogie amplifiers are difficult to determine the age of, compared with other brands. The serial numbers indicate only the production order of the amp within the series. There is no date information coded into the serial number. In addition, Mesa Boogie makes a large number of special orders for amplifiers, so the presence or exclusion of features is not an indication of the production year.
Blog at WordPress. Follow Following. Vintage Gear Blog. Sign me up. PG Giveaways. Stay Connected. Enter email address Subscribe. An early s Boogie Mark amp.
The clean channel has a really shimmering tone and breaks up a bit when pushed. Can you verify this and possibly estimate its current value? Founder Randall Smith spent a lot of time around electronics as a child.
While he was in a band during the mid s, he had the opportunity to fix a blown amp. Smith estimates he built around of these modified Princetons before Fender figured out what he was up to and cut off his supply! In , Smith left the music shop and ventured out on his own. In the early s, Smith began experimenting with new preamp designs to produce the type of gain and distortion guitarists were requesting. The result was what is now known as cascading gain, and it was incorporated into the very first Boogie production amp line—commonly referred to as the Mark I.
The original Boogie had two channels, but there was no provision for switching between them without changing input jacks. It had footswitchable channels and an optional 5-band graphic EQ. That means it was produced between and Mesa has extremely detailed records, so you can contact the company and provide them with the serial number to figure out exactly when your amp was built.
It is very important to note that each model designation indicated an overall design change and not a specific feature or option such as EQ or reverb. It is also quite common to find these Boogie amplifiers heavily modified from their original configuration.
The Mark I is popular because it is the original Boogie.
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