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I'm currently driving my 10's with an Adcom GFA-555II and love the
sound. What would be the benefit of adding a second Adcom to the mix?
Do you think it would be worth the $400 to $500 investment?

cubdog10

Hi,

I am going to stack my 10s (more later) and I would
rather have too much power than not enough so I will
bridge 1 adcom per stack. I am at a position where I
can finally afford to go over kill on this go around
of AV room design

My planned equipment is a plasma and DQ all around.
After getting 1/2 way w/plan realized a few ideas
needed to be change. 10s in the rear don't fit well
enough in the room so what to do? A friend told me
about stacking which would also give me more sound up
front. Since I have seen the adcom distortion LEDs
flash before I was done turning up the volume to where
I wanted, this idea seems like a unique and very
vintage idea to acomplish this.

I had purchased some dq 12s for the rear for 500
shipped but they damaged in shipping. I am expecting
my 28s Sunday to use in the rear. The smaller
footprint and raised tweeter fit the room much better.
I think I would prefer the 12s as they are closer in
design to the 10 but I will take theses for only 156
and be happy.

As I type my equipment is
nec 61" plasma (mounted to the brick fireplace
cantalever stand)
Sony str-da 2es receiver
Sony nc555es cd/dvd
Comcast cable dual tuner
adcom 555
velodyne spl 1200r
panamax 5500 ac regenerator
4 10s in the corners
kef qx2c center

Changes to be made
put 38s in rear
stack 10s
add 2nd adcom
replaced sony 2es w/5es (for sharc processor)
maybe add 2nd velodyne sub
find dq branded center solution

I am working w/a friend to mae sure the 10s are
matched in their upgrades. I bought one set "done"
w/regnar upgraded caps, internal wiring, replaced
tweeter,and redone surrounds. The 2nd set was
original. So far we have done the regnar caps and
woofer surrounds and looking to upgrade the wiring.

Both sets need help w/bass. I seem to have less than
what others are saying they have. In general the
sytems sounds pretty good butI don't think the sum of
thepieces sounds as good as they should. I am hoping a
fellow DQ dude is near by and can listen and give me
suggestions and if ANYBODY has any hints , suggestions
or even crazy ideas on how to buy, build, or whatever
to stack these 10s to please speak up.

Mark

--- cubdog10 <cubdog10@...> wrote:

I'm currently driving my 10's with an Adcom
GFA-555II and love the
sound. What would be the benefit of adding a second
Adcom to the mix?
Do you think it would be worth the $400 to $500
investment?

cubdog10

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Sounds like you will have a sweet Dahlquist room. There was a
discusion a while back on stacking 10's on AudioAsylum, it might be
worth a search to garner some info.If I recall correctly the upper was
inverted and the side panels were removed and replaced with a long one
to connect the two.
You might want to consider stacking them on DQ1W subwoofers and
acquiring a Dahlquist LP1 active crossover-this crossover is even more
prized than the 10 and is used still by modern speaker makers.
MORE POWER well yes at least another 555 for the 10's and something
to run the 28's and something for the subs. Wish I was in your
neighborhood I would love to hear your Dahlquist showroom. Sounds like
a fun project.
John

28s arrived, blown tweeters :( , 56.00 and 30 minutes
later of verifying, new exact Vifa set on the way from
Madisound :). The seller didn't know they were blown,
said he hearing was going, lol. Didn't quite end up
w/the deal I thought I had but $256 for a woking set
of 28s seems to be OK to me.

Mark
near DC? Come visit!

--- "old.fatboy" <old.fatboy@...> wrote:

Sounds like you will have a sweet Dahlquist room.
There was a
discusion a while back on stacking 10's on
AudioAsylum, it might be
worth a search to garner some info.If I recall
correctly the upper was
inverted and the side panels were removed and
replaced with a long one
to connect the two.
You might want to consider stacking them on DQ1W
subwoofers and
acquiring a Dahlquist LP1 active crossover-this
crossover is even more
prized than the 10 and is used still by modern
speaker makers.
MORE POWER well yes at least another 555 for the
10's and something
to run the 28's and something for the subs. Wish I
was in your
neighborhood I would love to hear your Dahlquist
showroom. Sounds like
a fun project.
John

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Sorry to hear about the tweeters, it's not a good feeling to be in
the situation you were upon the arrival of the DQ-28s.

Out of curiosity, I looked up a quick picture of that model (with
which I'm unfamiliar being a newbie to Dahlquist speakers) and it
looks a great deal similar to the pair of DQ-8s I saw at Hawthorne
Audio a couple of weeks ago. Is there a relation? Are the DQ-28s to
the DQ-20s as the DQ-8s were to the DQ-10s?

Just to note, there is a Photos section to this group, so pictures
of your speakers and setup are more than welcome. Afterall, who here
doesn't like looking at pictures of speakers and impressive setups?

- JP

It appears that the 28 are related to i speakers.
there are 2 dq 6I speakers on ebay which have the same
tweeter and cabinet styling. When I purchased the 28s
I thought they were more like the originals 20s as
they didn't have an i in their name. Eventually I will
be going for 8s, 12s and/or 20s which are earlier
models from the the 10 era. I hope to have a copy of
each model of that era some day. Some say the 20s
sound better than the 10s so I am not sure of my
details yet. I too still do not have a model list and
time frame to fully understand models, when they were
made, who designed which one and which are related to
others. I think as a guide if it has a fuse at the
speaker connection I want this model. the DQ 3m and
10s I have does have that while the 28 and m903 do
not.

I noticed that the 12s (and had to return, yet I never
saw) I bought have a different connection to the top
part w/mid and tweet. If you look at the 28 and
compare to 12s you should see what i mean and
understand. look at the 6i and 28 auction and then
find an older model dq8 or 12. look behind the
tweeters. I think anything newer than original 20's
was not ny the famous Dahlquist.

Anybody who has more knowledge please correct me and
share this info!!!

The tweeters being bad are not that big a deal since
the correct ones are readily avalable, just an
annoyance.

Mark
--- JP <hrothgar1982@...> wrote:

Sorry to hear about the tweeters, it's not a good
feeling to be in
the situation you were upon the arrival of the
DQ-28s.

Out of curiosity, I looked up a quick picture of
that model (with
which I'm unfamiliar being a newbie to Dahlquist
speakers) and it
looks a great deal similar to the pair of DQ-8s I
saw at Hawthorne
Audio a couple of weeks ago. Is there a relation?
Are the DQ-28s to
the DQ-20s as the DQ-8s were to the DQ-10s?

Just to note, there is a Photos section to this
group, so pictures
of your speakers and setup are more than welcome.
Afterall, who here
doesn't like looking at pictures of speakers and
impressive setups?

- JP

--- In Dahlquist@..., mark andersen
<opimax@...> wrote:

28s arrived, blown tweeters :( , 56.00 and 30

minutes

later of verifying, new exact Vifa set on the way

from

Madisound :). The seller didn't know they were

blown,

said he hearing was going, lol. Didn't quite end

up

w/the deal I thought I had but $256 for a woking

set

of 28s seems to be OK to me.

Mark
near DC? Come visit!

--- "old.fatboy" <old.fatboy@...> wrote:

Sounds like you will have a sweet Dahlquist

room.

There was a
discusion a while back on stacking 10's on
AudioAsylum, it might be
worth a search to garner some info.If I recall
correctly the upper was
inverted and the side panels were removed and
replaced with a long one
to connect the two.
You might want to consider stacking them on

DQ1W

subwoofers and
acquiring a Dahlquist LP1 active crossover-this
crossover is even more
prized than the 10 and is used still by modern
speaker makers.
MORE POWER well yes at least another 555 for

the

10's and something
to run the 28's and something for the subs. Wish

I

was in your
neighborhood I would love to hear your Dahlquist
showroom. Sounds like
a fun project.
John

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protection around

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