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#1
Hey guys, it's me again. I've still got my Bell and Howell Vintage cab sitting around, gathering dust and frankly that makes me sad. I want to build or buy a head for it, but I have no idea what I should get for it. The speaker in the cab has no information on it, so I was hoping somebody would know how I can test it to see how much power I can put through it. Obviously I don't want to turn up the volume until it blows the speaker, so does anybody have any idea how I can test it without damaging the speaker??
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#2
There really isn't any way (that I know of) to test the wattage of the speaker.. congrats on the find, though.

Did you look on the inside and outside of the cone? Sometimes there's a code you can research.

Like a Jensen C8R would be a Ceramic magnet, 8-ohm, 8" speaker.
#3
you can use a multimeter to determine how many ohms it is, but idk how you could find wattage...
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#6
I know the Impedance, it says "impedance 8" on the back. Why's impedance important? What's it do?
Quote by genghisgandhi
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Quote by grohl1987
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#7
impedance is the resistance of the speaker. it has to match your amp's output impedance or it'll cause problems, especially with tube amps. not so bad with SS amps.
#9
Ok, I know how GC&B guys love pics, so here's a few...



Back warning and info plate


Cab insides, the speaker has numbers on the back, but idk what they mean


Here's a closeup of the nubers on the back of the speaker


Also had numbers on the cone


closeup of cone numbers



Does that help at all.....??
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#11
Quote by Invader Jim
Great, you found the codes. Now research them

Google, man. The ones on the cone probably tell the wattage.

No such luck unfortunately. I've already tried Bell and Howell, they didn't even know they produced this cab. I believe it was made in the late 60's. I tried google, as with every other number on the cab/speaker, no luck. No matches. Perhaps I should just get a new 11" speaker and throw this one out... :[
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#13
Quote by Invader Jim
There's no model name/number anywhere on the cab? what about a serial?


What you see in those pics, is what I have.
I've tried all those numbers/letters in many searches. I contacted the Bell and Howell company, they didn't even know that it existed.
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#14
From what I can gather, it's a Heppner speaker manufactured in the 47th week of 1962.

Rated at about 15w, or a little lower.

575 is Heppner's speaker code.
#15
Quote by eXperiment63
From what I can gather, it's a Heppner speaker manufactured in the 47th week of 1962.

Rated at about 15w, or a little lower.

575 is Heppner's speaker code.


How did you find that out??
Is there a site or anything??
I wouldn't be so skeptical, but no one else has been able to tell me anything about it, and that's oddly specific...
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#17
It's called knowing how to use Google.

http://www.webervst.com/morecode.html
575 = Heppner
2 = Year(Heppner started working with B&H in the 60s, so 62 would be the year)
47 = Week manufactured

Then you google Heppner Speaker... first result is as follows:

http://bullfrogmusic.ca/heppner-alnico-speakers-for-guitar-amp-applications/

It’s a pretty safe assumption that vintage Jensen speakers will never be dethroned from their position as the Holy Grail of guitar amp speakers. Their tone is legendary and as a result their price tags will always reflect that popularity.

But there are other vintage brands to consider if you’ve a Do-it-Yourself amp project on the go and you’re wanting to keep the overall costs in check.

Consider a Heppner.

I’ve sold a number of them on project amp builds and they’re a surprisingly nice low-cost, budget alternative to the Jensen P12Q. I usually have a few in stock and they go for $45-50 per pair (plus shipping) depending on condition.

Very respectable tone for a low wattage ( <15 watts ) tube amp design. 8 and 16ohm versions are available.


--Not to mention the speaker looks like yours.

So I guess your ass is lucky i decided to throw on my gumshoe hat for ya.
Last edited by eXperiment63 at Aug 8, 2009,
#18
Quote by eXperiment63

--Not to mention the speaker looks like yours.

So I guess your ass is lucky i decided to throw on my gumshoe hat for ya.


Ahahaha, I guess so XD

I know now that it is less than 15 watts, but now what?
If I get a 15 watt head and plug it in, it will blow the speaker >.<
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
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#19
Dude.. Get a modded VJ or the like. There are plenty of amazing sounding amps that rate at 15w or below.
#20
15 watts isn't much good for gigging :[
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make the bass more bassy

Quote by grohl1987
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#21
Quote by Shaggy Shadric
15 watts isn't much good for gigging :[



if it's mic'd it can work.
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#22
Quote by conor1148
if it's mic'd it can work.

Yes, but the whole idea of an amp is so I wouldn't have to plug in to a P.A. in the first place >.<
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#23
Dude... you should ALWAYS mic into a pa when one is available. Far more even tone than just a cab.

Jimmy Page used to gig with a 5w amp.
#24
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#25
...tiny terror...??
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#27
Accccckkkk! It's also a very expensive amp :O
I can't put much money into a head if I'm not gonna gig with it, and I just found a Peavey Classic 50 for $200... that should about clean my wallet out for a couple weeks if I get it. Mowin Lawns doesn't pay well :< but ever since those darned Lemonade King chain stores opened, I've been unable to keep my stand running >.<
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

My Gear
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#29
Ok, so this is long overdue, but I thought I'd give y'all(southern talk? weird, must be tired) an update. I'm looking at a blackheart little giant to power my cab. it's 3-5 watts depending on the settings and the buzz about the interwebz is that it's a pretty sick little amp. I've heard a few youtube clips and I think it's prolly right up my alley as far as tone. My plan right now is to buy the amp head and try it out with my cab, if I like what I hear I'll prolly do my best to stuff the guts of the head right in the cab cause I'd rather it was a combo. No gain on the blackheart tho, so maybe i'll buy a tube screamer and wire that in too if I feel I need a little more kick ;]
Anyway, there's my update, I'll let everybody know what's going on when I get a head for this thing :]
Cheers -Shaggy
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#30
Got my Blackheart head, sounds like a dream, a sex dream. I've been working with a new band, and their practice schedule is unbelievable...like practice every other day and at least 3 times a week, but I don't mind, it's an interesting band, like if Pink Floyd and Zeppelin had mutated bastard children. Anyway, back to the amp...
It's waaaayy sharper than my Peavey Classic 212. Got a nice hard crunch, doesn't get all muddy like my Peavey. It's smaller tho obviously, but this is where I was surprised...It's a loud little head. Anyway, it fits really nice on my cab, almost sad that I'm going to cut it up to put it in the cab... here's a pic
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

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#32
^ Plz no.
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#33
Quote by Invader Jim
you're gonna drill up a perfectly nice vintage cab?

Considering it was a cab for a projector, and it's a pain to carry both a head and cab to band practice, yes.
Look, I know everybody's thinking this is some "rare, priceless antique" that I'm going to destroy, but it's not. We saw a black one just like this go on Ebay for $40 last year, so it's not as if they're in high demand. I'm making it into something new, useful, and practical. I'm the last one in the world that would try to ruin something vintage. I love vintage stuff, which is why I'm going to be careful about how I do this. No worries ;]
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

My Gear
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#35
Tell you what, you want a cab like mine to baby and never modify(which, because of the oddball, slightly smaller than 1/4" jack, will be usesless except for a projector) there's one on ebay right now here's a link:
http://cgi.ebay.com/Speaker-Bell-and-Howell-Extension-Speaker-/250654998152?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item3a5c33be88

in the mean time, here's a pic me removing the inside blocks that the back plate screws to. I'll be getting rid of the back plate as there's a back door that latches over it and I need the space.

Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

My Gear
Epiphone Les Paul Standard Plus Top
Greg Bennett Acoustic
Epiphone G-1275
Last edited by Shaggy Shadric at Jun 25, 2010,
#36
Hey nice cab! Good luck in your mod.

Cheers. Ace.
Last edited by Ace Carson at Jun 25, 2010,
#37
So me and my brother looked at this for a while and we decided the best way to mount the head would be vertically, so the control panel would be on the top of the cab. Fortunately Blackhearts head is very nice and neat, with the control panel printed right on the side of the box. So all you have to do to remove it is unscrew it and pull it out
The back of the speaker in the cab is HUGE, the magnet I mean, so I notched the head box so it could fit further inside the cab


Masked the circuit board to keep metal shaving off it



Used an air powered cutoff tool to cut the box





Still have to cut an oval in the top of the cab for the controls, and mount the box, oh and wire it up too, but thats easy ;P
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

My Gear
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#38
Those poor tubes...you're gonna shake them to death
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#39
Quote by Mike-T93
Those poor tubes...you're gonna shake them to death

Nah, just pull them out before you do anything :P
Quote by genghisgandhi
make the bass more bassy

Quote by grohl1987
You really like input jacks, don't you?

My Gear
Epiphone Les Paul Standard Plus Top
Greg Bennett Acoustic
Epiphone G-1275
#40
I was referring to the vibrations from the speaker. You're going to end up with microphonic tubes in no time.
My Tele Project!

Cheapy Johnson Steel String Acoustic
Les Paul Ripoff w/ SD SH2 and SH4
Modded Crate V18 2x12 w/ Weber Speakers
Squier Deluxe 5-string Active J-Bass
Acoustic B100 15" Bass Combo Amp
Gray VS Jekyll & Hyde
Vox V847A Wah
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