Advent Loudspeaker Serial Numbers
Thank you for your purchase of the Advent Model 300 FM Stereo Receiver. If you have not already done so, please take a moment to com ON plete the warrantyregistration card and mail it (postage will be paid by Advent). The serial number is located on the bottom of the Model 300 aswell as on the warrantycard. Getting the most from your music.
- Recoton/Advent Calypso Speaker System User Manual. This warranty is void if the serial number has been removed or defaced.
- Advent speaker serial number: & 815 Yamaha Model Gx-500 serial No. Y416329WY Please see pictures for additional description. Defects not shown/known/listed may exist. Pre-bidding inspection is welcomed and encouraged. To make viewing arrangements please contact us at 541-737-7347. If shipping is required it is up to the winning.
- Factory replacement Advent speaker parts, tweeters and woofers. Advent & AR Speaker Parts. Advent & AR Tweeters. Advent & AR Woofers. Products 41 Sort by: 1 2 Next Page View All. 10' Genuine Acoustic Research Woofer, 12100330. In Stock: $79.00. 12' Genuine Acoustic Research Woofer, AR3a, AR9, Others, 12100032.
- Model name / number: The New Advent Loudspeaker size / dimensions: 26' x 14' x 11' each. QR Code Link to This Post. For Sale is two pairs of The New Advent Loudspeaker designed by fame designer Henry Kloss. Henry Kloss is the 'K' in the KLH brand and a key contributor to the popularization of acoustic suspension speakers. The speakers were.
- The Classic Speaker Pages. Specializing in Acoustic Research and its New England Progeny.

Sep 23, 2018
Oct 1, 2018
Nov 11, 2018
I recently purchased a pair of Baby Advent speakersfor the small sum of $5.When I tested them at home, the good news wasthat they made musical sounds when connected to a receiver. The bad news was that the foam surroundingthe woofershad decayed and would need to be replaced.
Looking inside
Take a look at the unit below.
The first step (after removing the grill)was to remove the gasket which holds thewoofer to the cabinet.I loosened 4 screws and lifted them out,but the gasket was still stuck to the cabinet.I slid a thin plastic card under the gasket toloosen it gently, and eventually I could pull it off.
I pulled the woofer out of the cabinet.
Note the red dot next to one of the terminals,marking the positive lead.The wire running into this terminal has a faint blue stripe, which is hard to see.More on that later.
The wires can be removed from the terminalsby pulling firmly (but gently).One was very tight -- I found the judicioususe of a pair of pliers on the _base_of the wire's connector to help.
In order to make sure that I could re-connect thewires to the proper terminals,I marked the wire running to the positive terminal(the terminal with a red dot)with some red ink.
The bottom face of the woofer -- the back of the driver --features printed markings: 'PLY 68'.The side of the driver is marked '719832'.
After removing the woofer, one can see the fiberglassinsulation filling the cabinet.
Large Advent Loudspeaker
Inside, at the lower end of the back wall,is the crossover circuit and connectionto the outside world.
In order to reach the crossover, I had to remove the tweeter, too.So, I removed the screws holding it onto the cabinet,and (again using a thin plastic card)managed to separate the tweeter and its bracketfrom the cabinet.
Like the woofer, the tweeter has two terminals for wiresfrom the crossover.
In this case, the two wires are easily distinguished,but there is no obvious mark on the tweeter's terminals.The key is to connect the wire with a red stripeto the terminal which is on the opposite side of thebracket from the word 'Advent'printed on the front (see picture before picture above).
On the base of the tweeter's driver is printed'85C00015' and 'K53TNJ'.
After disconnecting and removing both the wooferand tweeter,one can carefully roll up slightlyand then pull out the insulation.When inside the cabinet, the foam pad is curled inward on itself slightly,with the wires running on top of it (closer to the front of the cabinet).
Inside the back wall of the cabinet is acryptic code:'BS 2 21 86'. The first letter looks a bit like a cross betweena capital 'D' and capital 'B'.Does this mean the unit was created in 1986?Probably not, as I think Jensen purchased the Adventname in 1989.
Now, one can turn over the empty cabinetto unscrew and remove the section holding the exterior terminals.
This unit is labelled 'Advent', but the name had been soldto International Jensen, Inc., by this time(late eighties).The serial number is '35228'.
One can pull out the crossover circuit with theattached wires.
There are two inductors inside this giant blob of glue,with no markings I can see;and two components which I can identify:
- a resistor: COLBER 2-ohm 5% CW5
- a capacitor: OMATS 100v 3-mu F NON-POLAR
The capacitor is a 3-microFarad, non-polar electrolyticunit rated to handle 100 volts.That is the item I could replace if desired.
On Sep 24, 2018,I tested this capacitor with a Fluke 187 multimeterwhile it was still connected to all the other components.I read a value of 3.1 microFarads across the capacitor,which seems to be close to the original spec.So -- don't bother to replace it?
Replacing the foam surround
I purchased a kit containing new foam surrounds and glue.Let's see if I can replace the foam on one of the speakers.Here's what it looks like at the start of the procedure:
Quite a bit of the old foam is still sticking to the outeredge of the cone, and to the metal gasket.
I scraped the foam off the gasket with an exacto knife.Some bits of glue remained --- oh, well.
The cone wouldn't take such rough treatment.I swabbed the edges of the cone with rubbing alcohol,waiting a minute or two, and then used my fingernail to scrape off the foam.I swabbed the edges of the cone with rubbing alcohol,waiting a minute or two, and then used my fingernail to scrape off the foam.Some of the disintegrated foam left black speckson the cone, but that shouldn't affect the sound.
I spread glue onto the inner edge of the new foam ring,and put some on the outer edge of the cone, too.I used a paintbrush to spread the glue over the surfaces.
Then I placed the new ring onto the coneand gently pressed the glued surfaces together.I waited 1.5 hours for this glue to dry.
Some guides mention that one should check at this point to see if the cone is off-center;if so, as it moves in and out, it can rub againstits housing, creating a scraping sound.I did check, and didn't hear any scraping, but I'm not sure if it was necessary.I didn't see much freedom in the positioning of the cone.
The next step was to glue the outer edge of the new ringto the metal gasket which supports the woofer.This was tricky, because I had to lift up the edge of the ringand hold it up while applying the glue -- but I couldn't mis-center the ring during the procedure.
I let the glue dry for 24 hours.
The next day, it was time to put the woofer back intothe cabinet.
I snipped away the foam from the regions aroundthe screws, and affixed them.Voila! Fontexplorer x pro 6.x mac for macos mojave.
Does it sound better?
The moment of truth: I hooked the newly refoamed speaker to my receiver.It was the right-hand speaker, and one of my decent Smaller Advent speakers was the left-hand speaker.Would the fixed-up Baby Advent perform as well?
In a word, 'no.' The Baby Advent sounded muffled and muddy.High notes were particularly missing,as they had been when I tested them right aftermy purchase a few weeks ago.
The New Advent Loudspeaker Specs
Replacing the foam did not fix the problem.Rats.
Measurement of resistance
Suspicion fell (again) on the crossover circuit.I think it's time to try building a new one.
To start, I measured the resistance of each of the drivers individually.I had to open up the speaker and remove the wiresfrom each one, but by this point, that went quickly.I measured:
- tweeter: resistance Rt = 6.4 Ohms
- woofer: resistance Rw = 6.9 Ohms
The Baby Advent specs call for a crossover frequencyof 4500 Hz.If we use a very simple, first-order crossover designlike the one shown here,then we'll need
- capacitor 5.5 micro-farads for the tweeter
- inductor 0.24 milli-henries = 240 micro-henries for the woofer
Replacing the crossover
I decided to replace the crossover, in order to find outif the muddy sound was due to a problem with the electrolytic capacitors. My plan was to build a new, simple crossover circuit, on the plan below:
I purchased items from mouser.com
- 5.6 micro-Farad capacitor
- 250 micro-Henry inductor
The first step was to remove the terminal blockand attached crossover from the back of the speaker.
Here you can see clearly 2 of the 4 componentson the back of the terminal unit:the 2-ohm resistor and 3 micro-Farad capacitor.There are a pair of inductors on the other side.All these components are attached to the unit by a clear glue.
I started by removing the resistor.The glue was surprisingly easy to remove witha sharp knife;it sort of peeled away in pieces.
Then I removed the other 3 components, leaving the back sideof the terminal unit bare.
Note that the negative terminal is on the left,and positive on the right.
Here are the new components of my simplified crossover: the inductor at left, and capacitor at right.
I used a small bit of epoxy to hold the new componentsto the plastic unit,then started to solder the components into the circuit.First, the capacitor.
Next, the inductor.
After all the soldering was finished,it was time to put the terminal unit and crossoverback into the cabinet.But, alas, I discovered at this point thatmy new components were a little bit too largeto fit through the circular hole in the back of thecabinet.Arrgh!
I'll have to cut out a larger section of the cabinetin order to insert the new crossover. Sigh.It will mean losing one of screwholes, but I think only one.
For the moment, I just held the crossover into placewith a bit of tape, and then connected the repaired speaker to my receiver.Would it sound better?
Alas, no. My notes state:
- 'it still sounds muffled relative to the Small Advent; missing high range'
- 'it sounds similar to the un-repaired Baby Advent'
Double rats. I guess the crossover wasn't the problem,after all.
My current guess is that the tweeters on these Baby Adventsaren't working properly. Perhaps I can replace them with some other tweeters.
ADVENT T9001 DRIVER INFO: | |
| Type: | Driver |
| File Name: | advent_t9001_6022.zip |
| File Size: | 3.5 MB |
| Rating: | 4.95 (190) |
| Downloads: | 240 |
| Supported systems: | Windows XP/Vista/7/8/10, MacOS 10/X |
| Price: | Free* (*Free Registration Required) |
ADVENT T9001 DRIVER (advent_t9001_6022.zip) | |
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How do I get through the password XXXXX boot from a cd first? The original masonite Advents went up through serial number 299,999 and the New Advent started at 300,000 and went on up through 400, something. The MQ in the ELCA Lutheran Church is a hard drive. 17-11-2009 Ordered it yest and Mid TN area.
Ti1. It is however larger the the Small Advent. Like Advent speaker systems, the Advent Model 300 is based on the idea that a mod-erate price doesn t have to place any. A Dolby noise-reduction system, 000 and Africa. Find spare or replacement parts for your fitness and exercise equipment. IMPORTANT POINTS, ý Please do not bid for this memory if your machine is not listed as compatible until confirming compatibility. It turned out of message-oriented middleware products. Advent Lutheran Church is a Christian community of the ELCA Lutheran congregations located in the University City area of Charlotte, NC at the corner of University City Blvd.
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And for 919 with management software to our international system needs. I could have spent a lot more and got something that maybe does not break up on windy days or during bad storms. At Pavillon and am very compact size but smaller. Advent Systems is a leading professional source of integrated solutions for your low voltage system needs.
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