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Design recommendation for Peerless SLS 830677
Design recommendation for Peerless SLS 830677
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Old 29th June 2020, 02:58 PM   #11
Inductor is offline Inductor  Portugal
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PEERLESS SLS-P830667 v2015, VB = 86.0 L, FB = 32.0 Hz, 87.3dB/2.83V/m (@0 green line)
Reflex 86L net, 32Hz: 2x Ports (20cm apart) 9.4 cm diam/39.4 cm lenght
Consider the extra volume for ports on the speaker volume.
HighPass 25Hz for protection @Xmax, good for ~130W/8 Ohms (32Hz).
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Last edited by Inductor; 29th June 2020 at 03:14 PM.
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Old 30th June 2020, 01:59 AM   #12
GM is offline GM  United States
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Quote:
Originally Posted by varundaso View Post
Thanks for the detailed information, so this design isn't efficient?
Can you please suggest me a good solution
You're welcome!

How efficient?

Increased efficiency requires bigger boxes and/or more expensive driver[s] and/or multiples of inexpensive ones. Build [2] SLS-P830667 driver subs = +3 dB, [4] = +6 dB, [8] = +9 dB, [16] = +12 dB, etc..

'Speed' costs, so how 'fast' can you afford to go.

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Old 30th June 2020, 05:43 PM   #13
Inductor is offline Inductor  Portugal
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Quote:
Originally Posted by varundaso View Post
Im looking for more power in the lows - yeah with the home theater. Regarding the amp Looked at few plate amplifiers but not finalized yet, do you have any specific suggestions for me.
Solutions with Peerless only (you don't give more details):
1. Peerless by Tymphany SLS-250S38CP00-04 10" Paper Cone Woofer 4 Ohm
10" Paper Cone PEERLESS SLS-250S38CP00-04, VB = 75.5 L, FB = 23.0 Hz, F-12 dB 19 Hz

2. Peerless by Tymphany SDS-160F25PR01-08 6-1/2" Paper Cone Woofer Speaker
6-1/2" Paper Cone PEERLESS SDS-160F25PR01-08, VB = 41.1 L, FB = 27.3 Hz, F-12 dB 22 Hz

3. Peerless by Tymphany 830869 8" Nomex Cone HDS Woofer
8" Nomex Cone PEERLESS HDS-P830869, VB = 37.3 L, FB = 30.1 Hz, F-12 dB 27 Hz

4. Peerless by Tymphany XXLS-P835016 10" Black Aluminum Cone Subwoofer 4 Ohm
10" Black Aluminum Cone PEERLESS XXLS-P835016, VB = 44.4 L, FB = 22.7 Hz, F-12 dB 19 Hz
Note: (100W-150W) Port size is related to max power with 2 options
A) HT (relaxed listening, 106-ref. 107.8dB/m)
2x ports
Center distance : 12.5 cm
Diam : 5.7 cm L: 62.0 cm
B) PA (more power, ref. 108.7dB/m)
1x port
Diam : 9.4 cm L: 83.7 cm

5. TARKUS OPTION
Peerless by Tymphany 830668 10" Paper Cone SLS Subwoofer
Note: also good for sealed speaker
https://sites.google.com/site/undefinition/tarkus
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Last edited by Inductor; 30th June 2020 at 06:07 PM. Reason: TARKUS OPTION
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Old 1st July 2020, 07:32 AM   #14
varundaso is offline varundaso  India
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Thanks, planning to start with one SLS 830677 - 830688 also looks like a good option but bit costly

Peerless 830677(8inch) and 830688(10inch) are available in my region so let me start with 677

Thanks for the detailed ingo and plot, can you suggest me a simple drawing where I should place the port on the original design I came into. Also the port dimensions.

Quote:
Originally Posted by Inductor View Post
PEERLESS SLS-P830667 v2015, VB = 86.0 L, FB = 32.0 Hz, 87.3dB/2.83V/m (@0 green line)
Reflex 86L net, 32Hz: 2x Ports (20cm apart) 9.4 cm diam/39.4 cm lenght
Consider the extra volume for ports on the speaker volume.
HighPass 25Hz for protection @Xmax, good for ~130W/8 Ohms (32Hz).
So I can go forward with my original box dimensions? ie 18inx18inx25in depth. Should I add two ports?
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Old Today, 02:57 PM   #15
Inductor is offline Inductor  Portugal
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Quote:
Originally Posted by varundaso View Post
So I can go forward with my original box dimensions? ie 18inx18inx25in depth. Should I add two ports?
Yes 2 ports 20cm apart (c2c). If you need different dims for ports they can be recalculated for your APP.
Interesting also if you test a sealed speaker from your project with same dimension (86L)+/- and no ports. Is going to give you and excelent response to 23 Hz (F12/free air) with Room and amp 30/50 W 8ohms.
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