Loudspeakers Build based on
Mark K ER18DXT
Mark K ER18DXT
Mark's web site (archived):
http://web.archive.org/web/20141010175643/http://www.audioheuristics.org/projects_gallery/ER18DXT/ER18DXT.htm
PDF:
https://drive.google.com/file/d/0B3EEuzfzhdySY2tCc3dwQ2pOZFk/view?usp=sharing
Related Forums:
- http://www.diyaudio.com/forums/multi-way/221806-mark-ks-er18dxt.html
- http://www.diyaudio.com/forums/multi-way/157595-mark-ks-er18dxt.html
- http://forums.overclockers.com.au/showthread.php?t=1050179
- http://valareaudio.es/forums/topic/mis-cajas-hum-er18dx/
- http://techtalk.parts-express.com/showthread.php?217711-Does-driver-magnet-have-negative-influence-on-induction-coil
- http://techtalk.parts-express.com/showthread.php?230452-ER18DXT-Did-I-Ruin-Them-%28Messed-up-driver-placement%29
Parts list:
Partsexpress - http://www.parts-express.com
| Product | Qty Ordered | Qty Shipped | Price | TOTAL | |||
|---|---|---|---|---|---|---|---|
 | Solen 3.0uF 400V Polypropylene Capacitor Part # 027-542 | 2 | 0 | $3.42 | $6.84 | ||
 | Solen 5.6uF 400V Polypropylene Capacitor Part # 027-556 | 2 | 0 | $4.23 | $8.46 | ||
 | Solen 15uF 400V Polypropylene Capacitor Part # 027-576 | 2 | 0 | $8.15 | $16.30 | ||
 | ERSE 2.5mH 14 AWG Perfect Layer Inductor Part # 266-380 | 2 | 0 | $42.61 | $85.22 | ||
 | ERSE 0.22mH 18 AWG Perfect Layer Inductor Part # 266-808 | 4 | 0 | $5.39 | $21.56 | ||
 | ERSE 0.60mH 18 AWG Perfect Layer Inductor Part # 266-818 | 2 | 0 | $7.33 | $14.66 | ||
 | Mills 2 Ohm 12W Non-Inductive Resistor Part # 005-2 | 2 | 0 | $4.25 | $8.50 | ||
 | Mills 2.5 Ohm 12W Non-Inductive Resistor Part # 005-2.5 | 2 | 0 | $4.25 | $8.50 | ||
 | Mills 30 Ohm 12W Non-Inductive Resistor Part # 005-30 | 4 | 0 | $4.25 | $17.00 | ||
 | Mills 3.5 Ohm 12W Non-Inductive Resistor Part # 005-3.5 | 4 | 0 | $4.25 | $17.00 | ||
 | Precision Port 2" Flared Speaker Cabinet Port Tube Kit Part # 268-348 | 2 | 0 | $9.65 | $19.30 | ||
 | Speaker Gasketing Tape 1/8" x 3/8" x 50 ft. Roll Part # 260-540 | 1 | 0 | $7.90 | $7.90 | ||
 | #6 x 3/4" Deep Thread Pan Head Screws Black 100 Pcs. Part # 081-435 | 1 | 0 | $2.90 | $2.90 | ||
 | #8 x 1" Deep Thread Pan Head Screws Black 100 Pcs. Part # 081-425 | 1 | 0 | $3.25 Subtotal: | $3.25 $237.39 |
Madisound - http://www.madisoundspeakerstore.com
| Product ID | Product Name | Price | Quantity | Total |
| h1456 | SEAS Prestige ER18RNX (H1456) 7" Reed Paper Cone Woofer | $94.50
(Not Taxable) |
2 | $189.00 |
| h1499 | SEAS Prestige 27TBCD/GB-DXT (H1499) Tweeter | $61.80
(Not Taxable) |
2 | $123.60 |
| cp5 | Solen PB 5 mfd Metalized Polypropylene Fast Capacitor 400V | $3.40
(Not Taxable) |
2 | $6.80 |
| Subtotal : | $319.40 | |||
Box design
Partsexpress
http://www.parts-express.com/dayton-audio-tw-050ch-050-cu-ft-2-way-speaker-cabinet-cherry--302-722
https://drive.google.com/file/d/0B3EEuzfzhdySZWlzaGVucWYwX0U/edit?usp=sharing
