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South 7082

April 27, 2018 Leave a comment

South 7082_cdsouthw.JPGDesigned by Charles Southward 

Design Goals:

  • Floor Standing
  • Nice Off-Axis
  • Flat Frequency Response
  • Aesthetically Match Room

Design Specs:

  • Tweeter: SB Acoustics SB26STAC-C000-4
  • Woofer: Dayton Audio RS225-8
  • miniDSP PWR-ICE 125 Plate Amplifier
  • +- 1dB 45Hz-19kHz
  • f3 of 38Hz

Paper: Charles Southward Speaker Binder_Rev6

Glossy: South7082s Glossy_cdsouthw

 

Frequency Response

Response_cdsouthw

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DD-8s

April 26, 2018 Leave a comment

IMG_2951Designed by Devin Deal

Design Goals:

  • Pleasurable Listening
  • Low Frequency Extension
  • Aesthetically Pleasing
  • Simple Build

Features:

  • Dayton Audio RS225-8 Woofer
  • SB Acoustics SB26STCN-C000-4 Tweeter
  • MiniDSP PWR-ICE 125 Plate Amp
  • Maple Front Face
  • Different Stain on Sides/Top/Back Than Front
  • False Bottom to House MiniDSP

Frequency Response:

4:23:18 rightIntegrated Frequency Response:

Screen Shot 2018-04-26 at 11.51.06 PMOff-Axis Response:

Screen Shot 2018-04-26 at 11.52.59 PM.pngHarmonic Distortion:

Screen Shot 2018-04-26 at 11.53.31 PM.png

DD-8 Speaker Glossy v4

HA-3s

April 26, 2018 Leave a comment

HA-3

Designed by Henry Ashburn

Design Goals:

  • High SPL output
  • F3 of 30 Hz
  • Aesthetically beautiful
  • Wide horizontal dispersion

Features:

  • Ribbon tweeter, mid-woofer, 12″ side-firing subwoofer
  • MiniDSP PWR-ICE 250
  • Separate enclosures
  • F3 of 31 Hz
  • ± 3 dB frequency response

Frequency Response

HA-3 Frequency Response

Integrated Frequency Response

HA-3 Integrated Frequency Response

Off-Axis Frequency Response

HA-3 Off Axis Frequency Response

Harmonic Distortion Percentage

HA-3 Harmonic Distortion Percentage

HA-3 Speaker Glossy

MC8R Studio Reference Monitors


 

IMG_0469Designed by Michael Chopp

Design Goals:

  • Portable music mixing monitors for professional use
  • Flat frequency response full range
  • $1000 budget
  • Natural wood look – visually appealing

Key Specifications:

  • Drivers
    • Fountek Neo X 2.0 Ribbon Tweeter
    • Fountek 8″ FW200 Midwoofer
  • F3 of 40Hz – Vented Enclosure
    • 2″ port on front baffle
  • +/- 1.5dB from 50Hz – 20kHz
  • 0.1% THD from 50Hz – 20kHz
  • Dimensions: 13″ x 22″ x 17″ (w, h, d)
  • MiniDSP active crossover
    • Tweeter at 1.8kHz
    • Woofer at 2.2kHz
  • Baltic birch exterior, MDF interior

Frequency Response:

Screen Shot 2018-04-26 at 12.11.46 PM

Integrated Frequency Response:

Screen Shot 2018-04-26 at 12.11.31 PM

Off Axis Response:

Screen Shot 2018-04-26 at 12.20.03 PM

Harmonic Distortion:

Screen Shot 2018-04-26 at 12.19.47 PM

MC8R Design Binder

MC8R Speaker Glossy

 

 

AH-8 “Revealers” Studio Monitors


Speakers 2

Design Goals:

  • Flat frequency range
  • Excellent clarity and depth
  • Studio monitors
  • $1500 Budget

Key Features:

  • F3 of 45 Hz
  • +/- 1 dB 45 Hz to 20 kHz
  • Sealed Box
  • Active Crossover via MiniDSP 2×4 DSP
  • Off center driver position
  • Custom built and amp rack

Driver Selection

  • ScanSpeak Classic 21W/8555-10, 8″ Woofer
  • ScanSpeak Illuminator R3004/6620-00 1″ Tweeter

new integrated right

Watefall

Harmonic Distortion

Impulse Response

Speaker Glossy

AH-8 Speaker Drafting 4-2-18

 

TUX-01

April 28, 2017 Leave a comment

Speakers 1Designed by Andrew Summers

Design Goals:

  • Create a rugged speaker system that is ready for the road
  • Flat frequency response for accurate mixing
    • +/- 3dB or better

Key Features:

  • 2.5 way hybrid crossover
    • Combination of miniDSP and passive crossover point in-between tweeter and mid-woofer
    • 2nd order crossover at 200Hz between mid- and sub-woofer (active)
    • 2nd order low pass filter on mid-woofer at 800Hz (passive)
    • 2nd order high pass filter on tweeter at 3kHz (passive)
  • F3 of 48Hz
  • +/- 2dB from 20kHz to 50Hz
  • Sealed enclosure
  • All SB Acoustics drivers
    • Sub-woofer – SB29NRX75
    • Mid-woofer – SB13PFC25-08
    • Tweeter – SB26STCN-C000-04

Construction:

  • 1/4″ birch ply on all exterior walls
  • 1/2″ birch ply on front baffle
  • 1/2″ MDF on all interior walls
  • 1/2″ birch panel in between mid-woofer and sub-woofer to create a separate sub cabinet
  • 1/4″ aluminum extrusions
  • Aluminum corner caps
  • Rust-oleum Black Truck Bed Liner finish

Tux FR

FR Full System All Axis

TUX-01 Research

TUX Speaker Glossy

Sandcastle 7.2


26131840034_76958c0dac_o

Designed by: Eric Bartos

Goals

  • 7.2 surround sound system for enjoyment and the occasional mix
  • +/- 4dB response
  • active crossover

Key Features

  • F3 of 38Hz on surround speakers (before crossover between subwoofer)
  • F3 of 34Hz on center speaker (before crossover between subwoofer)
  • F3 of 24Hz on subwoofers
  • +/- 4dB from 50Hz to 21kHz on surround speakers
  • +/- 4dB from 47Hz to 21kHz on center speaker
  • +/- 2dB from 25Hz to 200Hz on subwoofer
  • center speaker has active/passive crossover system
  • 1/2″ birch ply and 1/2″ MDF construction for center speaker and surround speakers
  • 1/2″ birch ply and 3/4″ MDF construction for subwoofers
  • BSS Blu-100 & BSS Blu-BoB for DSP

Drivers

  • Woofer: Dayton Audio RS225-8
  • Tweeter: Seas Prestige 19TFF1
  • Midrange (Center speaker only): Dayton Audio RS52AN-8
  • Subwoofer: Eminence LAB12-C

Frequency Response

Surround speakers

Surround Overall 60db range

Surround Integrated Response

surround integrated 40

Center Speaker

center response 60.png

Center Integrated Response

center integrated 40

Subwoofer

sub response 60

Sandcastle glossy

Sandcastle Research Paper

Sandcastle Final Testing