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Thread: ampeg 410hlf classic crossover bulbs

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    ampeg 410hlf classic crossover bulbs

    does anyone know of a US based source for these, 36v 54w bayonet bulbs used in ampeg crossovers, I know loud technology has them, but at near $40 and I imagine a long wait to get 2 of them to me from accross the pond, I'm looking for a cheaper quicker solution.

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    Supporting Member Randall's Avatar
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    Wait, what? LOUD is in Europe, when did that happen? And I thought Ampeg was sold to Yamaha? I'm always the last to know.

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    It's weird, because it WAS working fine.....

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    Supporting Member The Dude's Avatar
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    Quote Originally Posted by boog View Post
    ......but at near $40 and I imagine a long wait to get 2 of them to me from accross the pond......
    Across the pond? Loud is a US company and your profile says Indiana?
    Last time I called Loud for these, I think it took less than a week and they were around 2 bucks a piece.

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    Old Timer Leo_Gnardo's Avatar
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    Quote Originally Posted by Randall View Post
    Wait, what? LOUD is in Europe, when did that happen?
    I wouldn't doubt LOUD has a presence in Europe. I was for a long time under the impression they were a multinational corporation perhaps based in eastern Asia. Not so. Apparently the formation of LOUD happened early 2000's at the time Mackie bought St. Louis Music (Ampeg + Crate). Like everything, LOUD company history is in Wikipedia. And Ampeg is now part of Yamaha. Nothing is like it was, the world's turning upside down. I read it on the interwebs so it must be true! Read up: https://en.wikipedia.org/wiki/LOUD_A...t._Louis_Music

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    Enjoy. Every. Sandwich.

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    I appreciate pointing out my lack of knowledge on what company owns what brands, I did a search for the part number and the loud technology website that kept coming up was out of belgum, I guess the are just "Loud" here in the US after searching again, and I had no idea Yamaha owned the brand now, I've been out of audio equipment repair for several years, you'll have to forgive my ignorance.

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    Old Timer J M Fahey's Avatar
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    Yes, the company head office may be anywhere, but since USA is *THE* Market, I am certain they will always have a beeg warehouse in there.

    Which should stock parts and consumables such as bulbs.

    IF they were unavailable I would look for *any* bulb with same electrical characteristics, meaning same voltage and power, *hopefully* same socket or mounting; if not would kludge some adapter.

    But if you can easily find the original one, go for it.

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    Juan Manuel Fahey

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    I don't mind modifying it to use something else if I have to, I haven't done an extensive search or tried calling ampeg or anywhere else yet as I just found them blown yesterday after business hours, but internet searches haven't turned up much so far, me being out of doing repairs for so long I don't know where to look, who owns what, etc other than googling part numbers.

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    Old Timer J M Fahey's Avatar
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    Part number won´t match but important parameters will

    https://www.bulbtown.com/CE17_MINIAT...ASE_p/ce17.htm

    Before nitpicking, 36W and 40W is the same,within 10% of power and 5% of current (which is the important parameter).


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    Juan Manuel Fahey

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    well I have to apologize again, it is not a bayonet style (that's what I get for going with the first thing I read) These look like an older automotive dome light bulb, but the specs I posted look to be correct 36volt 54watt (1.5amp)

    Click image for larger version. 

Name:	000111.jpg 
Views:	25 
Size:	2.36 MB 
ID:	54724

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    Old Timer Leo_Gnardo's Avatar
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    Quote Originally Posted by boog View Post
    I appreciate pointing out my lack of knowledge on what company owns what brands,
    Heck I didn't know until I wiki'd it. I was operating without a clear knowledge of who's zoomin' who, at least in the LOUD universe, for the better part of 20 years, until looking it up. So... now we know, and on we go, let's hope we can get our gear fixed.

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    Old Timer J M Fahey's Avatar
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    Ouch!!!
    Usual bulbs are exactly like car dome lights , with conical metallic ends,which clip on a suitable socket.

    I bet vibration unseated them or caused reliability problems so now they got the pigtail version and solder them into the PCB.

    Plus vibration proofing them with some suitable adhesive or sealant.

    I guess you´+ll have to search for the same, *OR* screw a bayonet socket to the cabinet insides and wire it to crossover holes.

    I had mis searched for a 36W bulb, will try 54W next but you search too

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    Lifetime Member Enzo's Avatar
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    As anyone in theater will tell you, those are lamps, not bulbs.

    Google "Ampeg crossover lamps" and they will come up.

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    Senior Member vintagekiki's Avatar
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    Old Timer J M Fahey's Avatar
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    Quote Originally Posted by vintagekiki View Post
    Mmmmhm ... you friends with some guru man?

    That is old news, now it´s "yampeg"

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    Don't forget the joker g1's Avatar
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    If you know of an autoparts place with an old timer working there (other than the usual 'chimps' who will just ask for make & model ), show it to him and I bet he'll find you one.

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    They have 36V cars in Canada?

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    And that is called 'rigid loop' base, but I'm doubtful of those specs. Most of the bulbs in that package are 5 to 10W, 56W seems very high. In any case, there doesn't seem to be a generic version, you will probably have to get 'official' ones from Ampeg.

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    Senior Member vintagekiki's Avatar
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    Quote Originally Posted by boog View Post
    does anyone know of a US based source for these, 36v 54w bayonet bulbs used in ampeg crossovers, I know loud technology has them, but at near $40 and I imagine a long wait to get 2 of them to me from accross the pond, I'm looking for a cheaper quicker solution.
    36v 54w bulb it's a 36V / 1.5A bulb.
    If you don't mind improvising, the same protection will do 3 pieces of 12V / 1.5A bulbs serial connected.

    https://www.bulbtown.com/7527_Miniature_Bulb_Ba15s_Base_p/7527.htm

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    YamaPeg? Crataha?
    I still like CratePeg best, though...

    Justin

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    "Wow it's red! That doesn't look like the standard Marshall red. It's more like hooker lipstick/clown nose/poodle pecker red." - Chuck H. -
    "Of course that means playing **LOUD** , best but useless solution to modern sissy snowflake players." - J.M. Fahey -
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    Lifetime Member Enzo's Avatar
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    I think Yamaha only bought the Ampeg line, not Crate.

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    I have a few emails out to a few somewhat close distributors that I found on ampeg's distributor list on their site, I've found a few that I could get to work, like the ones from fliptops could be modified to work, but they don't specify if theirs are 12v or 32v, those cabs used both from what I understand, earlier-12v later-32v, and oddly they want $3.90 for 1, but $7.65 each if you order more than 1 and I'm betting they are 12v.
    I ran around to a few automotive parts places, and a home improvement place and every one of them were baffled at the thought of a 32v bulb "how would that work in a 12v car?"

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    Senior Member vintagekiki's Avatar
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    PR410HLF Crossover Schematic

    https://supportloudtech.netx.net/loud-public/#category/14793
    PR410HLF Crossover Schematic

    https://supportloudtech.netx.net/loud-public/#category/14561
    P - Series Schematic (Several schematics for the crossover)

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    Old Timer J M Fahey's Avatar
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    Oh, your links are fine but from 2001 to 2008.

    Fresher news (May 2018) is:
    http://mmrmagazine.com/news/upfront/...cquires-ampeg/
    which states:
    Yamaha Guitar Group, Inc., the newly formed U.S. subsidiary of Japan-based Yamaha Corporation, has announced the acquisition of the Ampeg brand from LOUD Audio, LLC., a portfolio company of Transom Capital Group.
    “There is enormous respect for Ampeg within Yamaha,” added Shoji Mita, Yamaha Guitar Group co-president. “Both Yamaha and Ampeg have histories in the guitar market that stretch back over seventy years
    But don´t worry:
    https://msretailer.com/politicians-v...-headquarters/


    L to R: Tiffany Lee and Erika Flores, aides to Rep. Cisneros; Tom Sumner, president, YCA; U.S. Rep. Gilbert R. Cisneros Jr.; David Jewell, partnerships and alliances manager, YCA; Masa Koike, treasurer and senior VP, YCA; Jeff Scott, corporate VP, finance and administration, YCA; Marc Hanson, aide to Rep. Cisneros.
    what-could-go-wrong?

    As of the bulbs themselves: powers-that-be decided that up to 1.5A through driver/tweeter voice coil is safe, so be it.

    Tungsten filament lamps behave as constant current devices, varying voltage drop across terminals while not surpassing rated current.

    So in principle , "any" 1.5A lamp would do.

    Now to voltage.

    Classic lamp all over the place was car type 12V 15/18W which is very common, but apparently caused annoying "nuisance blowing" with modern high power amps and slappers so they upgraded that spec.

    Now 36V is NOT a common value, I suggest you search for 32V 50W ones which are far more used (typical train and emergency power lighting since forever) and absolute worst case, using 3 12V lamps in series is recommended by Ampeg themselves as a stopgap measure.

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    Last edited by J M Fahey; 08-15-2019 at 04:52 PM.
    Juan Manuel Fahey

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    Supporting Member The Dude's Avatar
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    Old Timer J M Fahey's Avatar
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    Why would he?

    Any relation between Loud and Ampeg?

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    Supporting Member The Dude's Avatar
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    Juan,

    As I said in post #3, I've gotten those lamps from Loud in the past. They only recently sold Ampeg. Now, maybe they sold their parts stock, too. But, maybe not. It's certainly worth a phone call to find out.

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    Old Timer J M Fahey's Avatar
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    Yes, definitely worth a call, since a call is cheap.

    Sadly I think Loud as a whole completely disconnected from Ampeg, guess if they had a warehouse full of Ampeg stuff they just gave the key to new owners, and if a warehouse had some Ampeg stuff they packed and delivered it (or Yamahans picked it themselves) and swept the floor for good measure.

    And somebody must browse inventory registers to find the part, amount left (if any at all) , then pack, bill and deliver it.

    Not physically impossible but ....

    but all this comes later, first thing I did before my tongue-in-cheek answer was click the link you provided ... then on "Brands" they say:

    our portfolio of world-recognized brands, Mackie®, Blackheart®, Crate® and TAPCO®,


    Again, trying is cheap, so, why not?

    We might be surprised.

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    Lifetime Member Enzo's Avatar
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    How many times have we spent an hour debating whether a 1 minute phone call would be successful?

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    Old Timer J M Fahey's Avatar
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    Excellent point.

    Somebody should "let his fingers do the walking"

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    Quote Originally Posted by J M Fahey View Post
    Classic lamp all over the place was car type 12V 15/18W which is very common, but apparently caused annoying "nuisance blowing" with modern high power amps and slappers so they upgraded that spec...
    Maybe it's that style itself that's the nuisance... Maybe the amps were trying to tell "bassists" something... Geez, it'd be nice to walk into a music shop & not hear the bass section sound like a drunk rendition of the Seinfeld theme played through a couple Gorilla amps... Bass amps with HORNS... Now walk over to that 72 SVT with 2 vintage fridges, turn everything to 5, and play your best Stones riffs, dammit!

    Okay, I'm out.

    Jusrin

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    "Wow it's red! That doesn't look like the standard Marshall red. It's more like hooker lipstick/clown nose/poodle pecker red." - Chuck H. -
    "Of course that means playing **LOUD** , best but useless solution to modern sissy snowflake players." - J.M. Fahey -
    "All I ever managed to do with that amp was... kill small rodents within a 50 yard radius of my practice building." - Tone Meister -

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    Don't forget the joker g1's Avatar
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    I'm with Just(r)in on this one. Blown bulb in a bass cab is like a memo from God.

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