Prestonian ll’s

Prestonian ll’s


Project Category:
Tower Speakers

Project Level:

Project Time:
1-8 Hours

Project Cost:
$100 – $500

Project Description:
3 way floor standing speaker

Design Goals:
Smooth crisp sound with a thump

Driver Selection:
DA. PT2C-8 Planar Tweeter.
DA. DSA135-8 Mid-Bass.
Visaton W200S-4 Woofer (2).

Enclosure Design:
Split enclosure lower enclosure bass reflex housing (2) 8” Woofers
with an attached smaller enclosure housing the Mid/Tweeter

Enclosure Assembly:
3/4 MDF lower unit: 32” tall x 10” wide x 14” deep
bass reflex with double front baffle
Upper unit: 14” tall x 10” tapering to 5” wide x 8” deep

Crossover Design:
Pre- assembled DA 8 ohm Crossover at 3,000 Hz. with
100 watt L-pad attenuator for the Tweeter and Woofers
wired in series for 8 ohm load

Tips & Tricks:
My only tip….do the research and read the reviews

For a first time speaker project I am very pleased with the end result. Hooked them up and played Highway Star by Deep Purple
And they sound friggen’ awesome. Cranked it up and smiling ear to ear….a 62 year old blowing out the walls. The Wife is in trouble.

About the Designer:
I’m an investigator for major airplane manufacturer that enjoys wood working and diy projects for a hobby. Soon to be retired.

Project Parts List:

Dayton Audio PT2C-8 Planar Tweeter
Dayton Audio DSA135-8 5″ Designer Series Aluminum Cone Woofer
Visaton W200S-4 8″ Woofer with Treated Paper Cone 4 Ohm
Dayton Audio XO3W-375/3K 3-Way Speaker Crossover 375/3,000 Hz
Speaker L-Pad Attenuator 100W Mono 1″ Shaft 8 Ohm

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