ESNs/Altecs 4 sale and a lot more...

[tofu]

Chris,

I don't have exact prices from Great Plains but in the ballpark I think

the diaphragms are about $85 each for the small format diaphragms. (I

bought large format diaphragms from them for $100 each) The back plates

are probably $10-$20 each (a larger format back plate was $19 I think)

and the screws and such are likely a couple of bucks. The rubber cover

for the magnet is I think about $5. Guestimates on the cost but those

are likely in the ballpark with a total cost around $200-$225.

In the end this would end up costing more then the pair of 902s I

already sold but with this setup you would have *new* diaphragms which

is a plus. Great Plains also sells new drivers too so that is always an

option. I think they are around $200 a piece new.

It is a crap shot on ebay with regards to the condition of the

diaphragms in used drivers. All the 902s I bought had great diaphragms

in them. But the 288s I bought on ebay (from the same seller) had

diaphragms whoes resistance measured fine but audibly the diaphragms

were not at all what they should have been. I ended up having to buy

new ones to get the drivers working properly.

As far as I know the Model 14s used basically 902s or whatever was the

current small format driver at the time. Since they were inside the

cabinet Altec didn't bother to put back plates or magnet rubber covers

on them which is why I don't have them. I actually ended up with these

as I bought the horns out of a Model 14 on ebay and they happened to

come with the driver bodies still attached without diaphragms in them.

(Random rambling) The Model 14 horns are kind of interesting... they

are Mantaray (CD) horns with asymetrical dispersion. Horizontal

dispersion is even left to right but vertically their dispersion is

much 'taller' above the horns then below them and I grabbed them for a

possible future project.

Shawn

shawn,

$225 sounds good to me. i saw a good pair on ebay sell for about that much, but i didn't win. would you prefer me to paypal you a grand total or i order the parts then send them out to you?

i've been itching to try out 902's for a while, but the $400 pricetag was putting me off

-chris

[sfogg]

Chris,

"would you prefer me to paypal you a grand total or i order the parts then send them out to you?"

I'd prefer the second option really. If it is easier you can have Great

Plains ship the parts directly to me. They might assemble the drivers

for you too if you were interested in that. It really is no big deal to

put them together though.

"i've been itching to try out 902's for a while, but the $400 pricetag was putting me off"

The 902s are good drivers. An interesting thing you might want to try

is seeing if your ALKs can be converted to two way simply. Basically

you would need to just use the woofer/squawker crossover in the ALK and

run your LaScalas two way. Not sure how the K400 would react to that

but with 511Bs they sound very good two way. I think the 902s smoke the

K55/K77 combination. You are going to need an adapter to mount the

Altec on the 902s... make sure that is available.

If you really like to crank it you might want to also get loading caps

from Great Plains if they sell them. That will help protect the

diaphragms more with the first order crossover in the ALKs. I ran 902s

with DIY ALKs (before moving to the ESN) for awhile at first and had no

problems with the loading caps in the drivers.

Shawn

[tofu]

sounds good.

would you mind telling me the exact model #'s of

all the parts i need to have sent to you? i don't want to order the

wrong thing.

i'm not sure how their ordering process works.

they don't seem to have a shopping cart or anything set up. i assume i

just e-mail them for a quote then send over the credit card info?

thanks.

-chris

edit: for an adapter, i have the selenium ones that i drilled to use

with the k-55 on my 511b's. those will work fine, correct? as for loading caps, what exactly is "loud?" i only have a 63 or so watt amp (mc250 rated at 50wpc, but supposedly works to around 63 just fine), but if i can't use them at enjoyable levels for the occasional movie without drastic crossover adjustments, i think i may have to wait on them []

[sheltie dave]

Chris, just call Great Plains and Gary/Mike(I can't remember) will help you out. If you explain what you want, he can figure it out for you. They are great!

Shawn, the woof is a 416A, which is the early 16 ohm tree rattler. I was hoping these would work for Carl's Valencias, but (again) no dice.

[www.records]

Chris, other than email, I suggest you just call them and speak with Bill. He is a nice fella and can fill in all the details of cost, etc. I don't have his number handy, but you can find it on GPA's website.

I bought a replacement diaphram for one of my 604's and it totaled $96 with shipping. Not sure what they are for others.

-Steve

[IB Slammin]

sounds good.

would you mind telling me the exact model #'s of all the parts i need to have sent to you? i don't want to order the wrong thing.

i'm not sure how their ordering process works. they don't seem to have a shopping cart or anything set up. i assume i just e-mail them for a quote then send over the credit card info?

thanks.

-chris

edit: for an adapter, i have the selenium ones that i drilled to use with the k-55 on my 511b's. those will work fine, correct? as for loading caps, what exactly is "loud?" i only have a 63 or so watt amp (mc250 rated at 50wpc, but supposedly works to around 63 just fine), but if i can't use them at enjoyable levels for the occasional movie without drastic crossover adjustments, i think i may have to wait on them []

I might have missed something, but 902's bolt directly to the 511b. No adapter is needed.

Small format diaphragms from GPA are $119 each.

I hammer the 902's crossed at 400hz first order with no prob. However, the loading caps are still in place. What exactly is loud? That is what it is to each listener. I lost a K33 at just over 120db[:$] and the 902's were still there.

Regards,

Terry

[Duke Spinner]

Dean,

I think the crossover is really expecting 6 ohms on the woofer.

Duke,

Thanks for the info. If they need to be crossed at 1200hz then the ES600 (600hz crossover) is not a good choice.

It would be interesting to hear the ESNs on a A7-500 though if the woofer was close enough to be compatible with the network.

Shawn

they don't need to go at 1200, but that's typically where Altec crossed them in many speakers..

using the 416/ 811

[sfogg]

Chris,

I don't have model numbers. Your best bet as far as ordering is just to

call them and talk to Bill. Much easier then waiting for an e-mail.

Call earlier in the morning and you are much more likely to get him.

What you need:

(2) Aluminum diaphragms for small format drivers

(2) small format driver back plates

(2) rubber magnet covers (optional)

(2) loading caps (optional but recommended)

(2) paper gaskets for the driver/horn.

And the various screws for mounting the diaphragms, loading caps and

the back plates. Basically if you tell Bill that you have the Model 14

bodies and nothing else he can set you up with everything else you

need. He is a good guy and will take care of you.

" i have the selenium ones that i drilled to use with the k-55 on my 511b's. those will work fine, correct? "

Sorry.. I thought you were going to use the 902s on the K400s. You

would need a different adapter for them. If you are putting these on

511Bs no adapter is needed. The bolt right in.

"as for loading caps, what exactly is "loud?""

I was running them to THX Reference Levels (peaks of 105dB at the

listening position) without a problem on the ALK Type As. Most would

consider that pretty loud.

Shawn

[tofu]

sounds good.

would you mind telling me the exact model #'s of all the parts i need to have sent to you? i don't want to order the wrong thing.

i'm not sure how their ordering process works. they don't seem to have a shopping cart or anything set up. i assume i just e-mail them for a quote then send over the credit card info?

thanks.

-chris

edit: for an adapter, i have the selenium ones that i drilled to use with the k-55 on my 511b's. those will work fine, correct? as for loading caps, what exactly is "loud?" i only have a 63 or so watt amp (mc250 rated at 50wpc, but supposedly works to around 63 just fine), but if i can't use them at enjoyable levels for the occasional movie without drastic crossover adjustments, i think i may have to wait on them []

I might have missed something, but 902's bolt directly to the 511b. No adapter is needed.

Small format diaphragms from GPA are $119 each.

I hammer the 902's crossed at 400hz first order with no prob. However, the loading caps are still in place. What exactly is loud? That is what it is to each listener. I lost a K33 at just over 120db[:$] and the 902's were still there.

Regards,

Terry

ouch.. $120 for each diaphragm? that's getting a bit pricey. brings the cost to around $290 for the plates, diaphragms and rubbers. that's not too far off from their brand new price @ $400.

i'll inquire about the parts and see what happens. thanks for the help.

[steamer]

sounds good.

would you mind telling me the exact model #'s of all the parts i need to have sent to you? i don't want to order the wrong thing.

i'm not sure how their ordering process works. they don't seem to have a shopping cart or anything set up. i assume i just e-mail them for a quote then send over the credit card info?

thanks.

-chris

edit: for an adapter, i have the selenium ones that i drilled to use with the k-55 on my 511b's. those will work fine, correct? as for loading caps, what exactly is "loud?" i only have a 63 or so watt amp (mc250 rated at 50wpc, but supposedly works to around 63 just fine), but if i can't use them at enjoyable levels for the occasional movie without drastic crossover adjustments, i think i may have to wait on them []

I might have missed something, but 902's bolt directly to the 511b. No adapter is needed.

Small format diaphragms from GPA are $119 each.

I hammer the 902's crossed at 400hz first order with no prob. However, the loading caps are still in place. What exactly is loud? That is what it is to each listener. I lost a K33 at just over 120db[:$] and the 902's were still there.

Regards,

Terry

My 902's are bolted to the 511's,no adapter needed

Greg

[cjgeraci]

Dean,

I think the crossover is really expecting 6 ohms on the woofer.

Duke,

Thanks for the info. If they need to be crossed at 1200hz then the ES600 (600hz crossover) is not a good choice.

It would be interesting to hear the ESNs on a A7-500 though if the woofer was close enough to be compatible with the network.

Shawn

they don't need to go at 1200, but that's typically where Altec crossed them in many speakers..

using the 416/ 811

Duke-

Are you sure the 846As and Bs crossed over at 1200hz? I know the 19s did, but for some reason I thought the Valencias crossed over at 800hz.......?

Carl.

[sfogg]

"ouch.. $120 for each diaphragm? that's getting a bit pricey. "

That seems wrong to me. I had asked him about it not too long ago and

it was in the $80s somewhere. The large format diaphragms (which cost

more) were $100 each and I bought them in August.

There are also aftermarket ones for around $50 each but personally I'd

spend the extra money to know I was getting the proper quality part.

Shawn

[sfogg]

Terry,

"I hammer the 902's crossed at 400hz first order with no prob. However,

the loading caps are still in place. What exactly is loud? That

is what it is to each listener. I lost a K33 at just over

120dbEmbarrassed [:$] and the 902's were still there."

Wow, you really have hammered them then. That is with aluminum diaphragms in them?

Shawn

[tofu]

120db is more than enough for this 11x11 room

although it is fun to turn it up when i'm working in the yard (open the cellar doors and let em rip).. or to drown out the neighbor's mexican/rap hybrid music.

[Duke Spinner]

Dean,

I think the crossover is really expecting 6 ohms on the woofer.

Duke,

Thanks for the info. If they need to be crossed at 1200hz then the ES600 (600hz crossover) is not a good choice.

It would be interesting to hear the ESNs on a A7-500 though if the woofer was close enough to be compatible with the network.

Shawn

they don't need to go at 1200, but that's typically where Altec crossed them in many speakers..

using the 416/ 811

Duke-

Are you sure the 846As and Bs crossed over at 1200hz? I know the 19s did, but for some reason I thought the Valencias crossed over at 800hz.......?

Carl.

there were a lot of variation s...802, 806 drivers, pro model, ie, 9846

yes lotsa Valencias crossed at 800 hz ..846-A..846B

some sold in raw birch, for distributed sound, crossed at 1200, as well as some Utility models for monitors

all valencias incorporated the VOTT components from the A-7 8A..

416-8A woof

806 comp driver

811b horn

there were similar MI speakers, 9846, that used the 802 driver and crossed at 500 hz

at least, this is what i remember...............[:S]

[cjgeraci]

Thanks for the info, Duke. Been spending plenty of love and attention on my Belles (Trachorns.....?).

Now, just wondering about my Valencias.

Carl.

[tofu]

heh.. i inquired about the ones up on ebay right now. i asked for an early auction ender (sometimes i get lucky and grab a good deal), but the guy wanted $325 []

[sfogg]

Had a couple of requests for pictures of the Titan...

[sfogg]

Another...

[sfogg]

Last one...