Galaxy CM-140 SPL Meter Pre-Order

**Sonnie** · **02-27-07, 08:34 PM**

As some of you are aware, the Radio Shack SPL Meter has been somewhat suspect for our measurement needs and for use with REW (Room EQ Wizard), therefore we've been looking for a better SPL/mic solution.

One solution is to purchase the Behringer ECM8000 mic and a phantom powered mic amp, total cost about $100. This does not eliminate the need for an SPL meter, another $45 minimum for the Radio Shack meter. To get a respectable setup you will be looking at about $145.

I have tested the Galaxy CM-140 SPL Meter against my calibrated ECM8000 as well as Ilkka has tested his CM-150 against his calibrated mic. Both are very close to not needing any correction files. From what we have been able to find out, this seems to be the standard for the Galaxy meters. The CM-140 needs about the same correction as a new ECM8000 will need, but it does not need a mic amp, therefore you end up saving about $50 and you have a much better SPL meter and measurement mic than the RS meter.

CM-140 Features:

* MAX/MIN Function
* Level Range Display
* AC Signal Output
* Resolution 0.1 dB
* IEC 651 Type II, ANSI S1.4 TypeII
* 9V battery included
* Windscreen included
* Microphone: Electret condenser microphone
* Auxiliary Outputs: AC Signal Output
* Dynamic Range: 50 dB
* Frequency Range: 31.5Hz to 8KHz
* Dimension: 9.1" x 2.1" x 1.3"
* Weight: Approx. 0.54lbs.

Here is my CM-140 traced against my calibrated ECM8000:

These typically sell for $99 + shipping. Retail is $149. I will take orders at a significant discount off retail including shipping within the U.S. via U.S. mail. I will consider shipping outside of the U.S. if you are willing to pay the difference... see below (bottom of post) for more info on international shipping. There are additional "across the border" PayPal fees on top of the normal fees. I'm not charging for the normal fee, but I will have to for additional fees.

The CM-140 units will be shipped in a very durable, puncture proof, waterproof, 5/16" bubble cushioned mailer with the battery installed. The CM-150 has its own case and I am not sure how I will ship it yet.

I will check each meter against my ECM8000 prior to shipping them out, unless you specifically ask me not to do so. We should end up with a very consistent calibration file for these units. The supplier has stated they should be identical. The calibration file will only be for the lower end response from 10Hz to about 100Hz where C-Weighting will then take over. The calibration is in no way exact or guaranteed accurate... this is for hobby use only and should not be used professionally.

I will take orders for about 10 days. I do not want to carry this out too long because I'm sure most of you ordering are going to want your CM-140 asap. Plus I will need time to get them in and test them. These will carry the full warranty through Galaxy.

If you are interested in a CM-150, I can get those at a significant discount as well.

CM-150 Features:

* Back light
* RS-232 Interface
* Graph indication
* MAX/MIN function
* Auto Ranging (30 ~ 130dB)
* Level range display
* AC/DC signal output
* Resolution 0.1dB
* Auto Power Off
* IEC 651 Type II, ANSI S1.4 Type II
* Includes carrying case, calibration screwdriver, operation manual, 9-volt battery and windscreen

I will only accept PayPal on these. If you are interested, send me a PM and I will give you my PayPal address and how much to send. If you desire the unit to be shipped to other than your PayPal address on file, you will need to notify me in your PayPal payment. I cannot keep up with PM's and emails for these orders.

If you want more detailed info on these meters and other accessories see the following link:

http://www.galaxyaudio.com/galaxy/ProductsCM.html

I'm updating this post with the international shipping info so that all the info is together:

Attention all members requesting postage quotes outside of the U.S.

Our local post office is highly understaffed and it is going to be a burden for them to calculate postage for the vast number of foreign addresses I have... if I only had one or two it would not be a problem. I went to the post office and they asked me to please use www.usps.com for estimates and to print labels. Due to time limitations, I will need your help with this. Trying to figure out what goes where with all the cities, provinces, territories, states, countries, etc., etc.... I am not a geographical type person and don't understand half of the addresses.

For the U.S. addresses I can type in the label, pay for it online, print it out and the postman will pick it up, or I can drop them off at the post office... pretty simple. Not so simple for foreign shipments, which in most cases require several extra forms.

If you are interested in international shipping, you will need to go to:

https://sss-web.usps.com/cns/landing.do

Ultimately what I need is for you to download the mailing label to PDF format and email it to me.

I will copy this info into my www.usps.com account, purchase the postage and print the label. It prepares everything I need and is rather painless. In this case I have to do no more than the U.S. mailings.

Quote me the "Paid Online" price for shipping when you email me the PDF file. I will only ship using the most expensive method, which is generally Global Express Mail and it includes $100 insurance. Considering everything that is involved, I don't think the shipping is that unreasonable and this appears to be the easiest and safest method.

The shipping "from" or "origin" info you will need is as follows:

My Name: Sonnie Parker
Business: First Troy AV
Street Address: 413-A South Brundidge Street
City: Troy
State: Alabama
Zip Code: 36081
Phone: 3345551212 (See note**)

**Note: You can use the phone number of 334-555-1212 for temporary and I will fill in the correct phone number when I print the label.

The CM-140 will be shipped in a padded 8.5" x 11" envelope and will weigh 10 ounces. At this time I do not have the total size and weight of the CM-150. I should have this Monday.

Unfortunately, this is the only way for me to work this for foreign shipments, unless someone can come up with a simpler method.

There is also additional "across the border" PayPal fees on top of the normal fees. I'm not charging for the normal fee, but I will have to for additional fees. To make this as simple as possible and standardized, I will add $3.00 rather than wait until I get the PayPal, see how much the extra fee is, email you back, have you PayPal me again and incur another fee... it is a percentage + a flat per payment fee. It's just much easier and simpler to do a flat $3.

---

**ThirdChord** · **02-27-07, 09:28 PM**

I would be interested in this offer. Give me the details and I will be on board.
gregr@reborn.com

**CoZZm0** · **02-27-07, 09:39 PM**

Could you give an approximate postage costs to Sydney Australia?

**Sonnie** · **02-27-07, 09:48 PM**

PM me your full address CoZZmO and I'll check with the post office tomorrow and see if I can find out.

**frockc** · **02-27-07, 10:19 PM**

i want one... frockc@hotmail.com

**Jusbegood** · **02-27-07, 10:44 PM**

You can add me to the pre-order list: ribbe@comcast.net

**Sonnie** · **02-27-07, 11:02 PM**

Please be sure to PM me if you want to order.

**apolo** · **02-28-07, 12:07 AM**

I'm in for the meter!!!

**Carenne** · **02-28-07, 04:57 AM**

Hi Sonnie
Thanks for initiative
How much is the fare for shipping to France ?
Carenne

if you prefer direct answer : juxelo@free.fr

**Chrisbee** · **02-28-07, 05:25 AM**

Sonnie

Just for clarity:

Which colour trace is the Galaxy SPL meter?

How exactly did you obtain the comparison response graphs you posted above? They look awful when they ought to be straight lines!

Hopefully you will quickly discover (and report) any variations between different samples of the Galaxy.

Lack of variation is vital or we'll be back to comparing lengths of string.

Can you find a way to confirm the Galaxy's ultralow frequency response using REW for those of us interested in this area? It seems a shame to be able to show a 2Hz REW graph without having something we can trust. With a known response from the Galaxy using REW we can start comparing apples with IBs.

**Wolfstudios53** · **02-28-07, 06:44 AM**

Hi Sonnie,
I could use a deal like this!

Thanks,

Geo.

**Sonnie** · **02-28-07, 06:50 AM**

Carenne, please PM me your full address and I'll check on the postage for you.

Chris, I can't remember which is which on the trace. I believe we will be seeing a very consistent correction file for the 140. While the response is not perfect, it works, and I will be trying to get a flatter response when doing these comparisons.

This is by no means a professional calibration... I am a hillbilly, you should know better. I can only do the best I can do.

I don't have a mic calibrated lower than 10Hz, nor do I have a sub at this time that will perform that low.

**SERadtke** · **02-28-07, 09:00 AM**

Sign me up!!

jsr102298@earthlink.net

**SQquest** · **02-28-07, 09:30 AM**

I'm in like Flynn. That is, provided I can simply plug this into my laptop (or use it on its own) and play. PM'd.

**brucek** · **02-28-07, 10:12 AM**

Quote:

That is, provided I can simply plug this into my laptop

With an external USB soundcard of course. Microphone inputs to laptops don't qualify and aren't suitable........

brucek

**bengel** · **02-28-07, 10:15 AM**

Please put me on the list blackhole(AT)cinci.rr.com.

Thanks...

Brian Engel

**02-28-07, 12:45 PM**

Add me to the list.

- Brian
schmidtbb(at)yahoo.com

**eugovector** · **02-28-07, 01:12 PM**

I think he must have measured his room response using each. That's not the response of the mic itself, but the room? So, Sonnie is showing that, compared to his Behringer mic which has been calibrated to be near flat, the Galaxy holds it's own down to 27hz.

Am I right Sonnie?

Quote:

Chrisbee wrote:

Sonnie

Just for clarity:

How exactly did you obtain the comparison response graphs you posted above? They look awful when they ought to be straight lines!

**Ilkka** · **02-28-07, 01:14 PM**

Quote:

Chrisbee wrote:

Which colour trace is the Galaxy SPL meter?

Green = Galaxy CM-140
Red = ECM8000

Quote:

Can you find a way to confirm the Galaxy's ultralow frequency response using REW for those of us interested in this area? It seems a shame to be able to show a 2Hz REW graph without having something we can trust. With a known response from the Galaxy using REW we can start comparing apples with IBs.

I posted my own measurements here. I have the CM-150 which is probably a little bit more accurate, but we should still be able to make a pretty good estimate down to 2 Hz. Or you can always buy the more expensive CM-150 and have no need to use any correction at all (accurate at least down to 6-7 Hz).

**Gizmo** · **02-28-07, 01:36 PM**

Sign me in, Its only in holland. if you can give a calculation i would be happy

**will95** · **02-28-07, 02:09 PM**

Sonnie,

I already put my order in for the CMT-140 to you via PM. I am open to the order being changed to CMT-150 if there is a significant benefit and if you are able negotiate an exceptional price, preferably at or below $125 for a quantity group purchase. Is that possible?

**Ilkka** · **02-28-07, 02:33 PM**

Quote:

will95 wrote:

Sonnie,

I already put my order in for the CMT-140 to you via PM. I am open to the order being changed to CMT-150 if there is a significant benefit and if you are able negotiate an exceptional price, preferably at or below $125 for a quantity group purchase. Is that possible?

The CM-150 is much more expensive, around $225.

http://www.amazon.com/Galaxy-CM150/dp/B000GQY2S4

**will95** · **02-28-07, 03:06 PM**

Yes, I understand the CMT-150 is significantly more expensive. The Amazon price pretty much reflects its unit quantity of 1 street price. But, I am assuming that Sonnie or some other member of the forum might be able to get a significant discount through a quantity group purchase (>10) if someone has the right wholesale source connections.

**Miron** · **02-28-07, 03:22 PM**

Sonnie,
count me in (even though I have no problems with my both RS SPL meters

)

Please PM me payment details and I will do so. I am located in Vienna, Austria but I will give You US address for shipment (our USA office in San Diego)

Cheers
Miron

(edit ... this way we have first 10

)

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