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Smallest most powerful speaker for voice?
Smallest most powerful speaker for voice?
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Old 10th November 2019, 07:07 AM   #1
stevef22 is offline stevef22  United States
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Exclamation Smallest most powerful speaker for voice?

How can a cell phone (Razor Phone, S9 Galaxy) advertise 80+dba?

How are they achieving this with a small speaker?

Asking is for my project. I need a speaker that is micro size.

Less than 1.5" wide X 1.5" tall X .5" deep

This is for a video intercom, so voice only, no heavy bass necessary.

I want to get 90+dba for super loud compact intercom.

Please help me locate speaker. Alibaba, ebay all good.
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Old 10th November 2019, 09:18 AM   #2
chris661 is offline chris661  United Kingdom
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Well, they probably manage those SPLs at around 3kHz.

My advise would be to use the biggest speaker you can fit, and dump as much power in there as possible.

Chris
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Old 10th November 2019, 04:03 PM   #3
CraigSu is offline CraigSu  United States
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Might be a hair too deep but take a look:

Tang Band W1-1925SB 1" Poly Cone Full Range Driver

This is what I get from Parts Express searching for mini speakers 1-1/2” or less diameter:

Mini Speakers - Parts Express

If the search link doesn’t work for you you’ll have to narrow it down yourself.
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Old 10th November 2019, 07:11 PM   #4
planet10 is offline planet10  Canada
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Smallest most powerful speaker for voice?
I have a whack of 25 & 35mm JBL/Foster FRs that i would try.

dave
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Old 10th November 2019, 07:42 PM   #5
29285 is offline 29285  Europe
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Quote:
Originally Posted by stevef22 View Post
How can a cell phone (Razor Phone, S9 Galaxy) advertise 80+dba?

How are they achieving this with a small speaker?

Asking is for my project. I need a speaker that is micro size.

Less than 1.5" wide X 1.5" tall X .5" deep

This is for a video intercom, so voice only, no heavy bass necessary.

I want to get 90+dba for super loud compact intercom.

Please help me locate speaker. Alibaba, ebay all good.
These tiny speakers are often measured at a distance of 10cm
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Old 12th November 2019, 09:31 PM   #6
ErnieM is offline ErnieM  United States
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Lyzard-KZ1: Extremely Mini Point Source with 0.5'' driver – K-array * Unique Audio Solutions
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Old 12th November 2019, 09:34 PM   #7
rayma is online now rayma  United States
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Quote:
Originally Posted by voltwide View Post
These tiny speakers are often measured at a distance of 10cm
And measured at their resonant frequency. Maybe something like this, it uses the mounting surface for a diaphragm.
Large Surface Transducer with Wires - 4 Ohm 5 Watt ID: 1784 - $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits

Last edited by rayma; 12th November 2019 at 09:43 PM.
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