Official Anthony Gallo Owners Thread - Page 113 - AVS Forum | Home Theater Discussions And Reviews
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post #3361 of 3375 Old 03-03-2017, 12:25 PM
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Just like yours for aesthetic reason mine is about 6" from rear wall, straight forward and woofers in. I tried 12" from rear wall which is the max I can do since my room is not that big. To me the sound is about the same. Actually I think the sound from 6" away is better than the 12" or maybe its just my imagination toe in or not, woofers in or out to me again it sounds almost the same in my room. Maybe my ears are not critical enough to hear the difference.
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post #3362 of 3375 Old 03-04-2017, 10:53 AM
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Originally Posted by RDD337 View Post
Just like yours for aesthetic reason mine is about 6" from rear wall, straight forward and woofers in. I tried 12" from rear wall which is the max I can do since my room is not that big. To me the sound is about the same. Actually I think the sound from 6" away is better than the 12" or maybe its just my imagination toe in or not, woofers in or out to me again it sounds almost the same in my room. Maybe my ears are not critical enough to hear the difference.
I also found no difference between the woofer's in or out orientation, but I keep them pointing out due to furniture between them. Each speaker has about 4 ft to the side wall, so there is plenty of breathing space. There is some difference in soundstage depending on toe-in and I actually prefer the sound without the toe-in.
I'm sure Kodak805/HowardV have the best listening experience for music/films, but I can live with the compromises for practical/aesthetic reasons because the Refs are such great performing speakers.

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post #3363 of 3375 Old 03-04-2017, 12:29 PM
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Anyone tried buffing out slight scratches on the stainless?

How did it turn out?

What method did you use?

What products do you recommend?

Denon AVR-X4200W receiver
Gallo Strada 2 fronts on Mapleshade stands
Gallo Strada 2 center
Gallo A'diva SE surrounds
SVS SB12-NSD sub
Hisense 55H6SG 55" smart TV
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post #3364 of 3375 Old 03-04-2017, 02:31 PM
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Cleaning the stainless steel part

Just wondering if anybody here use stainless steel cleaner or polisher to the stainless part of the speakers? I tempted to do it but scared. I like to take off the grill of my speakers and want the stainless part to look clean. Thanks.
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post #3365 of 3375 Old 03-07-2017, 02:13 PM
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Originally Posted by Zydeco67 View Post
Thanks. I'll try a x/o around 150Hz. The complication is that with the rolloff of Strada at about 80Hz it is difficult to get the total (acoustic + electric) x/o to be symmetric; i.e., if I use a LR4 the the Strada output is -24dB/oc down to 80Hz and then -36dB/oc below 80Hz. It might not be an issue given that this region could be dominated by room modes but I seem to recall that the rule of thumb was for drivers to be flat 2 octaves below / above the x/o point.

Re: higher x/o. Your points are well put and understood. The specific situation here is a bit different for two reasons: 1) the bass units are dual isobaric 8" woofers based on Scan Speak drivers and are flat to well above 600Hz and 2) the Strada / woofers are co-located; i.e., the woofers are the stand upon which the Strada sit. The rationale for the 320Hz x/o was the flat for 2 octaves rule but the fact that Gallo use a x/o around 150Hz for the 3.1/3.5 and desire to get as close as possible to a quasi point source means that I'll definitely follow the advice for a lower x/o.


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An update. I've set-up a symmetric LR4 (24dB/oct) cross-over between the Strada and Bass Bins at 160Hz, and then used the mini-DSP to delay the Strada to deal with phase issues (thus removing a cancelation at the x/o point). Next step was to take measurements at the listening position of the bass bins alone and use parametric EQ to align response with the target. All this has worked well with the system sounding a lot better than with the Strada running full range and lower x/o point of 80Hz.
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post #3366 of 3375 Old 03-07-2017, 02:27 PM
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Originally Posted by RDD337 View Post
Just wondering if anybody here use stainless steel cleaner or polisher to the stainless part of the speakers? I tempted to do it but scared. I like to take off the grill of my speakers and want the stainless part to look clean. Thanks.
I use a dry micro-fiber cloth to remove dust, but I've never seen any "stains" on the enclosures that would require a cleaning solution.

So much media, so little time...

Oppo BDP-83 > Emotiva UMC-200 > Audio Alchemy OM-150 Dual Mono > Gallo Reference 3.5
_____________________________ > Audio Alchemy OM-150 > Gallo Strada 
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post #3367 of 3375 Old 03-07-2017, 02:48 PM
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Originally Posted by barryecohen View Post
I use a dry micro-fiber cloth to remove dust, but I've never seen any "stains" on the enclosures that would require a cleaning solution.
There is some fingerprints on some parts of the stainless section of the speakers. Most likely from the previous owner. I think it is safe to use stainless steel cleaner/polisher.

One more thing, do you turn on the amp that drives your 2nd voice coil when running the calibration? I just got the used Gallo amp and wondering if I should turn on the 2nd coil or not during calibration using my AVR. Thanks.
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post #3368 of 3375 Old 03-07-2017, 03:37 PM
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Originally Posted by RDD337 View Post
There is some fingerprints on some parts of the stainless section of the speakers. Most likely from the previous owner. I think it is safe to use stainless steel cleaner/polisher.

One more thing, do you turn on the amp that drives your 2nd voice coil when running the calibration? I just got the used Gallo amp and wondering if I should turn on the 2nd coil or not during calibration using my AVR. Thanks.
That should work, just use it sparingly and avoid contact with the drivers

I don't calibrate with an AVR, I have a disk of test tones, and I set the second amp by ear. First I rn the tones with no power to the second voice coil, to determine where I was loosing bass response, and I then set the crossover a bit below that. Then I ran the tones with the second VC powered to determine the volume setting for the second VC amplifier.

If memory serves me correctly, my cross-over is set to around 30.

So much media, so little time...

Oppo BDP-83 > Emotiva UMC-200 > Audio Alchemy OM-150 Dual Mono > Gallo Reference 3.5
_____________________________ > Audio Alchemy OM-150 > Gallo Strada 
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post #3369 of 3375 Old 03-08-2017, 11:01 AM
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AG amp settings

I have few questions for experts here

1) for ref 3/3.1 what is the frequency range of the tweeter, mids, woofer 1st coil & woofer 2nd coil?

2) I noticed last nigh playing the settings of my newly acquired used AG amplifier. if I move the xover settings higher like 80-120Hz it sounds fuller. It seems like it helps the sound of the mids. Does thismakes sense or its just my imagination? If i set it to 40Hz, nothing change to the sound even on mids but if the music or movies calls for low bass then it will produce. For now I think I like the sound when xover is set around 100-120Hz, Will this damage my 2nd coil setting this high?

So far so good with the amp. I don't hear any distorion. Maybe its there but I don't hear it. And I'm not going to look for it and just start enjoying listening music. I think this is like a dead pixel in a monitor. You look hard to find one and when you do you can't help it but see every time you use the monitor and you will start searching for a new monitor again
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post #3370 of 3375 Old 03-08-2017, 02:23 PM
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Quote:
Originally Posted by RDD337 View Post
I have few questions for experts here

1) for ref 3/3.1 what is the frequency range of the tweeter, mids, woofer 1st coil & woofer 2nd coil?

2) I noticed last nigh playing the settings of my newly acquired used AG amplifier. if I move the xover settings higher like 80-120Hz it sounds fuller. It seems like it helps the sound of the mids. Does thismakes sense or its just my imagination? If i set it to 40Hz, nothing change to the sound even on mids but if the music or movies calls for low bass then it will produce. For now I think I like the sound when xover is set around 100-120Hz, Will this damage my 2nd coil setting this high?

So far so good with the amp. I don't hear any distorion. Maybe its there but I don't hear it. And I'm not going to look for it and just start enjoying listening music. I think this is like a dead pixel in a monitor. You look hard to find one and when you do you can't help it but see every time you use the monitor and you will start searching for a new monitor again
1) Sorry, no idea.

2) No, it won't damage anything, you could send a full range signal through it if you so desired.

So much media, so little time...

Oppo BDP-83 > Emotiva UMC-200 > Audio Alchemy OM-150 Dual Mono > Gallo Reference 3.5
_____________________________ > Audio Alchemy OM-150 > Gallo Strada 
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post #3371 of 3375 Old Yesterday, 07:53 AM
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Originally Posted by RDD337 View Post
I have few questions for experts here

1) for ref 3/3.1 what is the frequency range of the tweeter, mids, woofer 1st coil & woofer 2nd coil?

2) I noticed last nigh playing the settings of my newly acquired used AG amplifier. if I move the xover settings higher like 80-120Hz it sounds fuller. It seems like it helps the sound of the mids. Does thismakes sense or its just my imagination? If i set it to 40Hz, nothing change to the sound even on mids but if the music or movies calls for low bass then it will produce. For now I think I like the sound when xover is set around 100-120Hz, Will this damage my 2nd coil setting this high?

So far so good with the amp. I don't hear any distorion. Maybe its there but I don't hear it. And I'm not going to look for it and just start enjoying listening music. I think this is like a dead pixel in a monitor. You look hard to find one and when you do you can't help it but see every time you use the monitor and you will start searching for a new monitor again

Try listening to the speakers with only the secondary voice coils powered. That way you'll hear only what the Gallo amp adds to the sound.

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post #3372 of 3375 Old Yesterday, 10:06 AM
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Ref 3.5 Specifications

Quote:
Originally Posted by RDD337 View Post
I have few questions for experts here

1) for ref 3/3.1 what is the frequency range of the tweeter, mids, woofer 1st coil & woofer 2nd coil?

2) I noticed last nigh playing the settings of my newly acquired used AG amplifier. if I move the xover settings higher like 80-120Hz it sounds fuller. It seems like it helps the sound of the mids. Does thismakes sense or its just my imagination? If i set it to 40Hz, nothing change to the sound even on mids but if the music or movies calls for low bass then it will produce. For now I think I like the sound when xover is set around 100-120Hz, Will this damage my 2nd coil setting this high?

So far so good with the amp. I don't hear any distorion. Maybe its there but I don't hear it. And I'm not going to look for it and just start enjoying listening music. I think this is like a dead pixel in a monitor. You look hard to find one and when you do you can't help it but see every time you use the monitor and you will start searching for a new monitor again
The Ref 3.5 woofer crossover is 125 Hz. It overlaps the midrange units between 100 & 200 Hz. It is still noticeably active to 400 Hz. The midrange units in the original Ref 3.5, before the Strada II changover, are active to 3.7 kHz. If I recall, the Strada II implementation brought the CDT III unit in at 6 kHz.

The 2nd voice coil response is reported to be somewhere in the lower 20's. However, the amplitude may be negligible at the lowest frequencies. I am speculating here because I never personally powered the 2nd voice coil.

All this is thoroughly detailed in an exhaustive review in the following link:

http://www.6moons.com/audioreviews/gallo9/ref35.html

I hope this helps.
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post #3373 of 3375 Old Yesterday, 06:24 PM
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SA Amplifier class D?

Just wondering if the AG SA amplifier is considered class D amplifier if not what class or type is it?
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post #3374 of 3375 Old Today, 08:19 AM
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Just wondering if the AG SA amplifier is considered class D amplifier if not what class or type is it?
Class-A/B. A Class-D would not need a fan for cooling

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Oppo BDP-83 > Emotiva UMC-200 > Audio Alchemy OM-150 Dual Mono > Gallo Reference 3.5
_____________________________ > Audio Alchemy OM-150 > Gallo Strada 
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post #3375 of 3375 Old Today, 11:05 AM
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Class-A/B. A Class-D would not need a fan for cooling
Thanks!
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