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December 20 2014
Speaker Comparison
QSI HB (High Bass) Speakers
Model
|
Size
|
Imp (Ohm)
|
Pwr (W)
|
Notes
|
HB78S QSI HB Speaker | 0.78" Square 0.36" Height |
8
|
1.0 - 2.0
|
Special speaker for HO scale sound applications that provide significantly more base. |
HB90S QSI HB Speaker | 0.90" Square 0.39" Height |
8
|
1.0 - 2.0
|
Special speaker for HO scale sound applications that provide significantly more base. |
HB106R QSI HB Speaker | 1.06" Diameter 0.56" Height |
8
|
2.0
|
HO size, significantly better bass response |
HB110S QSI HB Speaker | 1.10" Square 0.44" Height |
8
|
2.0
|
HO size, significantly better bass response |
HB110SB QSI HB Speaker with Box | 1.10" Square 0.52" Height |
8
|
2.0
|
Speaker and box combined, One of our most popular speakers |
HB122R QSI HB Speaker | 1.22" Round 0.63" Height |
8
|
2.0
|
HO size, significantly better bass response |
HB157S QSI HB Speaker | 1.57" Square 0.57" Height |
8
|
2.0
|
HO size, significantly better bass response |
HB177R QSI HB Speaker | 1.77" Round 0.81" Height |
8
|
2.0
|
HO size, significantly better bass response |
HB207S QSI HB Speaker | 2.07" Square 0.94" Height |
8
|
2.0
|
HO size, significantly better bass response |
QSI HP (High Performance) Speakers
Model
|
Size
|
Imp (Ohm)
|
Pwr (W)
|
Notes
|
HP225R QSI HP Speaker | 2.25 " Round 1.1" Height |
8
|
3.0
|
|
HP250S QSI HP Speaker | 2.50 " Square 0.8" Height |
8
|
1.0
|
|
HP300S QSI HP Speaker | 3.00 " Round 1.7" Height |
8
|
5.0
|
|
HP300SLP QSI HP Speaker | 3.00 " Round 1.7" Height |
8
|
5.0
|
|
HP350S QSI HP Speaker | 3.50 " Square 1.7" Height |
8
|
6.0
|
|
HP400S QSI HP Speaker | 4.00 " Square 1.9" Height |
8
|
15.0
|
Tony's Dream Speakers - Round
Model
|
Size
|
Imp (Ohm)
|
Pwr (W)
|
Notes
|
TDS 0.50 Dia Speaker | 13 mm (0.5") dia 3 mm (0.125") H |
8
|
0.1
|
Use 5 Ohm 1/2 W resistor in series with either Soundtraxx speaker lead to protect from overload! N & HO scales. |
TDS 0.63 Dia Speaker | 16 mm (0.63") dia 17.9 mm (0.7") with enclosure 3.5 mm (0.14") H 7.4 mm (0.29") with 1/2 enclosure 12.5 mm (0.49") with full enclosure |
8
|
0.1
|
This speaker produces good volumes when properly enclosed in TDS Enclosure and fits in HO, narrow body diesels and N tenders. |
TDS 0.75 Dia Speaker | 20.00 mm (0.79") dia 22.2 mm (0.87") with enclosure 3.4 mm (0.13") H 6.9 mm (0.27") with 1/2 enclosure 12.1 mm (0.47") with full enclosure |
8
|
0.2
|
Produces good volumes when properly enclosed in TDS Enclosure. We also use two speakers, back to back. Suitable for N scale steam tenders and almost all HO narrow body diesels. Use 5 ohm resistor as stated above. N & HO scales. |
TDS 1.00 Dia Speaker | 25.9 mm (1.02") dia 28.5 mm (1.12") with enclosure 4.7 mm (0.185") H 8.1 mm (0.32") with 1/2 enclosure 13.2 mm (0.52") with full enclosure |
8
|
0.4
|
This is a good choice for HO modelers. Produces good sound in many HO Diesels when used with TDS Enclosure and most HO steam using the tender for enclosure. This may fit where the 1.10” below may not! HO & larger scales. |
TDS 1.10 Dia Speaker | 28 mm (1.1") dia 30.7 mm (1.2") with enclosure 5.1 mm (0.2") H 8 mm (0.32") with 1/2 enclosure 13.1 mm (0.52") with full enclosure |
8
|
0.8
|
This is one of the 1st choices for HO modelers. Produces very good sound in many HO Diesels when used with TDS Enclosure and most HO steam using the tender for enclosure. Use 5 Ohm resistor as above. HO & larger scales. |
TDS 1.20 Dia Speaker | 30 mm (1.17") dia 31.9 mm (1.25") with enclosure 5.7 mm (0.22") H 12.5 mm (0.49") with 1/2 enclosure 20.4 mm (0.8") with full enclosure |
8
|
0.05
|
This is good choice for large HO Steam tenders Produces great sound. Use 5 Ohm resistor as above. HO & larger scales. |
TDS 1.25 Dia Speaker | 32 mm (1.26") dia 33.9 mm (1.33") with enclosure 4.8 mm (0.18") H 9.9 mm (0.39") with 1/2 enclosure 15.5 mm (0.61") with full enclosure |
8
|
0.5
|
Best sounding of the Round Series speakers. Can fit in very large HO Scale Tenders and Atlas HO Scale diesel locomotives with A-Frame |
Tony's Dream Speakers - Oval
Model
|
Size
|
Imp (Ohm)
|
Pwr (W)
|
Notes
|
TDS Micro Oval Speaker | 15 x 10 mm (0.59" x 0.39") 3.5 mm (0.14") H |
8
|
0.5 / 1.0
|
Discontinued, no longer available. See TDS SuperSonics |
TDS Mini Oval Speaker | 24 x 14 mm (0.95" x 0.55") 15.9 mm (.55") W with enclosure 26.7 mm (1.05") L with enclosure 3.9 mm (0.15") H 8.8 mm (0.35") H with enclosure |
8
|
0.3
|
Discontinued, no longer available. See TDS SuperSonics |
TDS Small Oval Speaker | 35 x 16.2 mm (1.38" x 0.63") 18.3 mm (0.72") W with enclosure 36.9 mm (1.45") L with enclosure 8.1 mm (0.37") H 9.1 mm (0.36") H with enclosure |
8
|
1.0
|
Suitable for narrow hood, HO Diesels. |
TDS Medium Oval Speaker | 34.7 x 20 mm (1.37" x 0.79") 21.8 mm (0.86") W with enclosure 36.8 mm (1.45") L with enclosure 7.9 mm (0.30") H 9.7 mm (0.38") H with enclosure |
8
|
1.0
|
This Dream Speaker is perfect for narrow HO tenders and some HO narrow diesels especially with dynamic brake fairings. HO and larger scales. |
TDS Large Oval Speaker | 40 x 29 mm (1.58" x 1.12") 30.4 mm (1.19") W with enclosure 42.0 mm (1.65") L with enclosure 11.6 mm (0.46") H 13.1 mm (0.52") H with enclosure |
8
|
1.0
|
This Dream Speaker is the #1 choice for HO steam tenders and some wide cab HO diesels. It provides maximum output available for HO and also works well in larger scales. |
TDS Enclosures
Model | Diameter or Side | Height | Application |
EHB78S | 0.885" | 0.45" | Fits the HB78S speaker. |
EHB90S | 0.98" Side | 0.50" | Fits the HB90S speaker. |
EHB106R | 1.19" Dia | 0.65" | Fits the HB106R speaker. |
EHB110S | 1.18" Side | 0.54" | Fits the HB110S speaker. |
EHB122R | 1.35" Dia | 0.70" | Fits the HB122R speaker. Speaker does not protrude. |
Tony's Enclosures
For Round Speakers | For Oval Speakers | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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