This page is a collection of odds and ends information relating to speakers and speaker implementation. You might find some of the information useful in determining which speaker would be best suited to your application. 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 was made. So, the speaker in the image above would have been made by Jensen during the 27th week of or The year is confusing because it is only a single digit. In later years, the EIA converted to a 4 digit date code so the year could be easily identified.
1964 Ampeg B-15N Portaflex Fliptop Vintage Tube Amp Blue Diamond 1×15 CTS
Ampeg svt cabinet serial number dating When it is quite boomy, ampeg page around 67 or sign in. However, ampeg svt cl classic head and what manufacturer: as far as much more shooting games badland online dating ampeg v4b help. If anybody is encoded for dating ampeg amps – there is used separate serial number is that month.
Zachary R. Fjestad is a freelance writer who specializes in guitars and amplifiers including the history behind them and their current value. Fjestad has been evaluating and appraising guitars for over 20 years. For more information, email Zachary at zacharyfjestad hotmail. Guitars Bass Amps Pedals Players. Can you tell me a little about my B and what it is worth today? Also, do you know of where I could get a replacement Lucite plate? Hull created an upright bass pickup by mounting a transducer on an extended peg that was inserted into the body of the bass.
Hull received a patent for his amplified peg Ampeg design in November and began manufacturing them in New Jersey with his new partner, Stanley Michael. Shortly thereafter, Hull and Michael went their separate ways and Hull moved Ampeg to Manhattan where he slowly began building amplifiers and developing the Ampeg name. Ampeg was always trying to perfect the tone of their amplifiers and Oliver began experimenting with designs such as a double-baffle porting system and a closed-back reflex cabinet.
Oliver also borrowed a design from an old sewing machine where the unit would flip out of the cabinet. The first Portaflex amp was formally introduced in as the B
Ampeg B-15N Portaflex
Ampeg is a manufacturer best known for its bass amplifiers. Although specializing in the production of bass amplifiers , Ampeg has previously manufactured guitar amplifiers and pickups and instruments including double basses , bass guitars , and electric guitars. Everett Hull born Charles Everitt Hull , a pianist and bassist working with bandleader Lawrence Welk in Chicago, had invented a pickup for upright bass in an effort to amplify his instrument with more clarity.
Hull’s design placed a transducer atop a support peg inside the body of his instrument, inspiring his wife Gertrude to name the invention the “Ampeg,” an abbreviated version of “amplified peg. Patent 2,, was awarded the following year.
B12N, B12X, B12XT, B15X, B18X B15ND and more. B15N 70’S CAB FRONT. B15N 70’S CAB BACK · B15N.
Username or Email. Password I forgot my username or password. Keep me signed in. Clear the check box if you’re on a shared computer. Please enter your username, and you will recieve a new password for your account. Send me a new password. Recover Cancel. Individual Company. This Ampeg B15N is in very good condition and all original other than the speaker and replacement tubes. Fitted with a “Utah” speaker which sounds fantastic.
My technician Chris Ward has serviced the amp so its ready to go with no issues.
1965 AMPEG B15-N
At some point, I decided that I would rather be playing in the band than just watching the band. Music and rhythm were instilled in me since childhood. Around , I started working with a 5-string Fender Jazz Bass, but never really bonded with it.
Ampeg B15N ‘, L6 Cath Bias 25W, ″, 8 Ohm Jensen C15N Cleveland, CTS sq mag. Altec, JBL DF, 15A for guitar Bass15F for bass.
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Ampeg B-15N question
The Code on the tube chart of your Fender Amp is made up of two letters. The First letter equates to the Year and the Second letter to the Month. Reissue amps also use stamped Date Codes. Examples of “Hand Stamped” Date Codes.
› description › manufacturer=Ampeg.
In , The Ampeg Company, Inc. Conceived in by the late legend Jess Oliver aka that dude who first put reverb into a guitar amp , the B grew up alongside our modern music industry. Like a lot of the popular sewing machines at the time, the B stored inside of itself, as players moving from gig to gig only had to flip over the amp head to get moving. Bass players of every genre and decade have favored the different flavors of the B as a trusty sidekick in some of the most memorable performances in recorded history.
Motown fixture and demigod James Jamerson used a B for all of his live performances as well as the majority of his non-Motown sessions in Los Angeles. Hell, even Jimi Hendrix was known to plug into a B or two, like during this performance on Dick Cavett. The evolution of the B is truly fascinating. This article will examine those differences chronologically to help better understand what you can expect from the dusty Portaflex at your local shop.
Geared toward acoustic bassists, this initial model featured extra porting options for use with upright basses. These Bs are most easily recognized by the random flair navy tolex, the distinctive power knob, their shared tone control circuit, and the lack of a lucite light up logo. The first Bs were self-biased and outputted 25 watts of tube power.
At this point, the two channels had independent volume controls but actually shared an equalization circuit. The outer baffle had a inch circular cut out and a bar across the center of the speaker cone. The speaker was mounted to the inner baffle, which was fixed to the cabinet.
Ampeg B15N Serial Numbers
At some point, I decided that I would rather be playing in the band than just watching the band. Music and rhythm were instilled in me since childhood. Around , I started working with a 5-string Fender Jazz Bass, but never really bonded with it. With the ever-increasing schedule, something had to give. I chose to finish my education, which meant putting music on the back burner.
In , I said goodbye to Little Charlie and the Nightcats, who were soon signed to a label, touring the country, and making records.
I’ve got an Ampeg B, serial number XX, and I suspect it is from the mid s. Can you tell me a little about my B and what it is worth.
Later in the year Ampeg discontinued the serial number sticker inside the speaker cabinet and started stamping the serial number into the back left hand side of the shock-mounted chrome chassis. The unit, however, may not have started with Ampeg may very well have used or as the starting point during slow production periods. Nevertheless, for dating purposes, the serial number provides adequate information during this period.
For example, an amp with serial number was made in 4 , during June 06 and was probably the rd amp made that month The second serial number system was implemented in January and used until the end of These are 5 or 6 digit numbers which appear to have been applied sequentially, but are not date encoded. For more precise dating cross reference the serial number with the amplifier’s transformer, potentiometer, capacitor, speaker codes and vinyl covering. However, caution is needed for dating amps from , as the serial numbers from this year were already used in A serial number could be from September or it could be from the second serial number system implemented in above.
The key is the model and the cosmetics. For instance, an Ampeg from would be covered in navy random flair vinyl whereas an amp from would be covered in blue check vinyl. Another check for a versus a or later serial number i. Disclaimer Contact F.
Ampeg / B15N / 1963 / Blue Checked Tolex / Amp
Please login or register. Member Offline Posts: I have a ’68 SVT here [with fresh tubes!! I thought that was year one for the SVT.
I am fortunate enough to own a BN, and a BN both with orig cabs The link to “Dating Your Ampeg Amplifier” seems to go nowhere, still.
I pulled this information from Google’s cache of the site. If anyone feels this page should be taken down, please feel free to contact me. Ampegs can be divided into six distinct groups for dating purposes: pre, to mid, early to , to , to , and post Each group uses a unique serialization scheme that can be used to assist in dating the amps, but in many cases, it is the features and characteristics of the amps that determine the year of manufacture. Electronic Industries Association EIA codes can also be very useful for giving clues as to an amp’s age.
These codes can be found on speakers, transformers, pots, capacitors, and multi-section electrolytic “can” caps.
Ampeg B15N Serial Numbers
This along with the serial number on the amp can help. Dating rickenbackers from the serial number , the ampeg amps made by serial numbers is encoded for model, svte. Marshall amplifier serial number dating. The best way to date an Ampeg amp is based on its specific features. Ampeg amplifiers can be divided into six distinct groups tor dating purposes:. These amps used a serial number system that was not used by any Ampegs.
Tags: ampeg b15n. Oct 23, 1. Sep 13, Hello everyone, I’m doing some research for a friend. There is a B15N that he’d like to know more about. I don’t have pictures at the moment, but I do have a serial number. This does not make sense with serial number that I though. There is no month “26!
Speaker Codes & Applications
Ampeg has been a huge part of amplifier history, with amplifiers dating back to the mid s that have been used by bands such as The Rolling Stones, Pink Floyd, Television, Booker T and the MG’s, The Clash and others. Ampeg amplifiers have evolved over the decades. Being able to place specific products in their time period is a great way to assess value and impress fellow gearheads.
Ampeg did utilize serial numbers when producing their amps, but these numbers can sometimes be inaccurate. The best way to date an Ampeg amp is based on its specific features and characteristics.
I have an Ampeg BN, serial number and I am trying to date it. I have looked at several sites over the weekend and what links.
Order by:. Available to:. Ampeg vintage original tube cage for B15n, B18n, B12n Portaflex amps. This is a B15 Portaflex that was made in I’ve had it for about 8 years and only used it in the studio and at home. I used to play it through a double-baffle B15N cabinet and it sounded amazing. This circuit is hand-wired and not on a printed board. It has navy-random flair tolex and the sides of the amp are tolex, not chrome like the slightly later years of the B In this famous picture of James Jamerson, you can see he is playing this model of B It’s not in great shape.
But it sounds fine. Channel one and channel two work great; the center channel says”stereo” and it produces sound but I’m not sure what it means?