The HNY: Buns
Design goals
- Home Entertainment and Mixing Use
- Floor Standing
- Natural Wood Look
- No taller than 3ft 7in
Specifications
- Fully Active 3-way Speaker
- Founteck NeoX1.0 Ribbon Tweeter
- 5-in Dayton Audio RS125-4 Mid Woofer
- 8-in Dayton Audio RS125-4 Reference Woofer
- Dimensions: 10”, 13”, 43”
Features
- F3 of 40 Hz
- +/- 2dB from 40Hz- 22kHz
Gust Op. 1
Designed by Jacob Gust
Design Goals:
- Active Home Theater Loudspeakers
- Warm & Unique Sound
- Extended Low Range
- Even Off Axis Listening
- Pleasing To Look At
Features:
- Ribbon Tweeter, 5″ Mid, & 8″ Woofer
- Passive 3kHz Crossover between Tweeter & Mid
- Dual Internal Volume Design with Crossover Cubby
- Matching Custom Speaker Stands
- F3 of 30Hz
- +/- 3dB from 30Hz-20kHz
Frequency Response:
Integrated Frequency Response:
Off-Axis Response:
Harmonic Distortion:
AH-8 “Revealers” Studio Monitors
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
allen harrison 4740 research document
TUX-01
Designed 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
Diamond Series
This 2.5-way pair of loudspeakers is designed for home theater use. The design includes four Aura 6″ woofers and a 1″ ScanSpeak tweeter. The speakers are vented with ports on the back diagonal sides, and have a passive crossover.
Design Goals
- Cost around $500.
- Good low frequency extension.
- Produce 105 SPL (THX standards).
- Low power requirements.
Key Features
- 2.5-way system
- passive crossover
- vented system
- f3 of 40hz
- bandwidth of +/- 3 dB
Drivers
Aura NS6-255-8A 6″ Woofer
ScanSpeak D2608/9130 1″ Textile Dome Tweeter
Cabinet
Walls are 2 layers with:
3/4″ Birch plywood, 3/4″ MDF
Documents
Performance Graphs
Diamond Series Driver Summation (Black-Full, Red-Tweeter, Yellow-Mid, Green-Low)
Diamond Series System Decay
Diamond Series Left-Right Speaker Difference
Sonic Bluhm 2-Way Loudspeaker System
Sonic Bluhm – 2-Way Loudspeaker System
Overview.
- Designed and built for use as left / right pair for home theater system.
- Primary use, movie and music playback
Features.
- Vented box construction, providing lower f3 frequency
- Unique shape to avoid following problems:
- Panel Vibrations
- Internal cabinet standing waves
- Edge diffraction
- 2.1 cubic foot internal box volume
- Capable SPL, of 90 dB Continuous, 102 peak
Cabinet Construction.
- Cabinet made using constrained layer construction
- There are 4 layers to my cabinet (listed from outside to inside)
- 1) 3/4″ 13 Ply Baltic Birch
- 2) 1/2″ MDF
- 3) 1/8″ Mass loaded vinyl
- 4) 1/8″ Masonite
- Rounded top edge
- Only 3 visible screws per speaker, giving them a very clean and polished look
Drivers.
- Woofer: Seas Excel 8″ W22EX001
- Tweeter: ScanSpeak Illuminator D3004, 1″ soft dome
Documentation.
Testing Results.
Sonic Bluhm 2-Way Loudspeaker System by Dan Bluhm is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Rocky Mountain 2-Way
Rocky Mountain 2-Way Loudspeaker System
Overview:
The Rocky Mountain 2-Way Loudspeaker System was designed to be used as mixing monitors.
Features:
Flat Frequency Response (1.5dB variation)
Sealed Box Construction Providing Accurate Low Frequency Reproduction
Low Frequency Extension: F3= 55Hz, F6= 45Hz, F10= 40Hz
Active Crossover With Computer Controlled DSP that allows for the maximum control of the speaker system
Absorbent Foam Baffle that combats MF Diffraction and Makes the HF more directional.
Capable of 90-98dB Continuous, 110-115 Peak
1 1/4” Cabinet Construction (13ply Baltic Birch/MDF Composite)
2 1/4 Cubic Foot Volume
Custom Made Grill
Made Proudly In Michigan
Drivers
Woofer: Seas Prestige 10″ H1411
Tweeter: Seas Prestige 27TDFC, 1″ Silk Dome Tweeter
Enclosure
Exterior: 3/4″ 13-ply Baltic Birch
Interior: 1/2″ MDF
Documents:
Design Proposal
Drafting Plans
Glossy
Final Testing Report
Block Diagram:
Testing Results:
Rocky Mountain 2-Way Loudspeaker System by Kenneth G. Stahl III is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Based on a work at kennystahlrock.com.
El Palmisté
Overview
The two-way pair of loudspeakers are designed to function as film and music mixing monitors. The design includes an 8″ woofer and a 1″ tweeter mounted against a waveguide to improve its potential. The speakers are vented with a port on each inner side, and have a passive crossover.
Design Goals
- Produce 103 spl to meet film mixing standards (83dB SPL with 20 db of headroom).
- Flat frequency response and maintain detailed sound.
- Good low frequency extension.
- Cost around $500.
- Be somewhat easy to move.
Key Features
- 2-way system
- passive crossover
- vented system
- dome tweeter mounted to waveguide
- f3 of 40hz
- bandwidth of +/- 2.5 dB from 40hz-19khz
Drivers
Scan-Speak Discovery 22W 8″ Woofer
SEAS Prestige 27TDFC 1″ Textile Dome Tweeter
Cabinet
Each wall consists of:
3/4″ ply, 1/8″ loaded vinyl, 3/4″ MDF
Documents
Tests
Frequency Response With Woofer/Tweeter Summation
Horizontal Off Axis Response (15,30,45,60)
Vertical Off Axis (15,30,45,60)
Frequency Response with Inverted Phase
Impedance as compared to an 8 ohm resister with port and total response
Harmonic Distortion
Frequency Response Difference Between Speakers
Waterfall Plot in an Anechoic Chamber
Woofer
Woofer Response
Woofer Horizontal Off Axis (15,30,45,60)
Woofer Vertical Off Axis (15,30,45,60)
Woofer Step Response
Woofer Harmonic Distortion
Woofer Phase
Woofer Response Difference Between Both Speakers
Tweeter Frequency Response
Tweeter Horizontal Off Axis (15,30,45,60)
Tweeter Vertical Off Axis (15,30,45,60)
Tweeter Difference Between Speakers
El Palmisté by Alex Palma is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.