All ZIMO decoders have the capacities to use 8 ohm speakers, most of them (except the miniature types such as MS491, MS500, MS591, MS540) can use 4 ohm speakers or 2 * 8 ohm speakers connected in parallel.
The sound decoder for "small scales" (MS450, MS440, MS481..., FS850, MX-Types, and the gauge O decoder MS950) work with a 5 V supply for the sound amplifier (miniature types create 1W audio power, the others 3W audio power); larger sound decoders (MS990 and MX types), work with 10 V supply (and 10 W audio power at 4 ohms), whereby the speaker has a much higher load.
Therefore ZIMO large scale decoders (10 V) should ONLY use Speakers > 3 W, NOT, however, the typical N- and 00/H0 speakers which are 0.5 W to 2 W.
ZIMO Special - the "Sugar cubes" |
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LS9X16
LS9X16H5
LS10X15
LS13X18
LS15X25 |
LS8X12 |
Miniature rectangular speaker with integrated resonator body, 8 x 12 x 8 mm, 8 Ohm / 0,5 W. CAUTION: At full power in decoders with 3 W - speaker can be overloaded by the amplifier. |
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LS9X16 |
Miniature rectangular speaker with integrated resonator body, 9 x 16 x 8 mm, 8 Ohm / 1 W |
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LS9X16H5 |
Miniature rectangular speaker with integrated resonator body, 9 x 16 x 5 mm, 8 Ohm / 1 W |
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LS10X15 |
Miniature rectangular speaker with integrated resonator body, 11 x 15 x 9 mm, 8 Ohm / 1 W. |
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| LS10X15H7 | Miniature rectangular speaker with integrated resonator body, 11 x 15 x 7 mm, 8 Ohm / 1 W. |
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| LS10X15H11 | Miniature rectangular speaker with integrated resonator body, 11 x 15 x 12 mm, 8 Ohm / 1 W. |
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| LS13X18 | "Dumbo" with integrated resonator body, 18 x 13 x 13 mm, 8 Ohm / 1 W |
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| LS13X18H8 (NO image) |
"Dumbo" with integrated resonator body, 18 x 13 x 8 mm, 8 Ohm / 1 W |
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LS15X25 |
Rectangular speaker 25 x 14 (!) mm, WITHOUT resonator body, 8 Ohm / 1 W. |
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Round speakers |
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LS20RU |
Round speaker 20mm x 6mm, with intergrated resonator body 8 Ohm / 1 W. |
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LS23RU |
Round speaker 23mm x 6mm, with intergrated resonator body 8 Ohm / 1 W. |
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LS28RU |
Round speaker 28mm x 6mm, with intergrated resonator body 8 Ohm / 1 W. |
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LS23R |
Round speaker 23 mm, preferably to be used in locomotives, which are intended for the installation of such a speaker, so the resonator body is integrated in the loco body, 8 Ohm / 0,5 W. |
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LS28R |
Round speaker 28 mm, preferably to be used in locomotives, which are intended for the installation of such a speaker, so the resonator body is integrated in the loco body, 8 Ohm / 1 W. |
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ZIMO Special - the "Dumbo" - Variations |
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LS26X20X08 LS40X20X09 LS40X22X09 LS50X15X14 |
LS26X20X08 |
""Dumbo" small lateral resonator body, therefore flatter than the "Dumbo" LS13X18 (see above), allthough it sounds similar to it. 26 x 20 x 8 mm, 8 Ohm / 1 W. |
| LS40X20X09 |
"Dumbo" with a longer (but still flat) resonator body to ensure a perfect reproduction of bass tones |
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| LS40X22X09 |
Two „Dumbos“ in a box, higher volume (only for 3 Watt sound decoder), but relatively little resonance volume, thus slightly weaker bass reproduction. 40 x 22 x 9 mm, 4 Ohm / 2 W |
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| LS55X22X09 (NO image) |
Two „Dumbos“, with high volume and good bass reproduction. 55 x 22 x 9 mm, 4 Ohm / 2 W |
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| LS50X15X14 |
Two „Dumbos“, narrower but higher than the type above, high volume and good bass response (similar to the type above). 50 x 15 x 14 mm, 4 Ohm / 2 W. |
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| LSG50X15X14 (NO image) |
Two „Dumbos“, same as the type above, but the two Dumbo's connected in series, therefore suitable for ZIMO large scale sound decoders (which the speakers operating at 10 V instead of 5V), especially useful when there is not enough space for a larger size VISATON speaker. 50 x 15 x 14 mm, 16 Ohm / 2 W. |
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Speakers with small beads |
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LS16X12 |
LS12X16 |
Speaker with particularly good bass reproduction, 12 x 16 x 5.5 mm, 8 ohms / 1 W. Important! Thanks to special technology involving small beads in the loudspeaker, the LS12X16 does not require an additional sound capsule – the resonator body is already integrated. When installed, there must be sufficient space for the speaker membrane so that it can swing out completely. |
Broad range speakers (shown in a smaller scale) |
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LSK50WP
ein Produkt der |
Broad range speaker 5 cm , low installation depth (2 cm), waterproof, 170 Hz - 17 kHz 8 Ohm / 3 W. Used with MX696, MX699,...,MS990,... . (10 V / 6 W - amplifier) at full volume, could lead to speaker overload; Can be used with 00/H0-sound decoders (5 V / 3 W - amplifier). |
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LSK64WP
ein Produkt der |
Broad range speaker 6 cm, low installation depth (2 cm), waterproof, 170 Hz - 15 kHz, 8 Ohm / 3 W. Used with MX696, MX699,...,MS990,... . (10 V / 6 W - amplifier) at full volume, could lead to speaker overload; Can be used with 00/H0-sound decoders (5 V / 3 W - amplifier). |
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LSFRS8
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LSFRS5
ein Produkt der |
Broad range speaker 5 cm, 150 Hz - 20 kHz, 8 Ohm / 5 W (rated power), installation depth 31,5 mm Optimal for use with MX696, MX699,...,MS990,... . Decoders with 5 V amplifiers (H0 sound decoders) may only partially exploit the power of the loudspeaker. |
LSFRWS5 ein Produkt der |
Broad range speaker 5 cm, 200 Hz - 20 kHz, 8 Ohm / 4 W (rated power), small installation depth (23 mm). Optimal for use with MX696, MX699,...,MS990,... . Decoders with 5 V amplifiers (H0 sound decoders) may only partially exploit the power of the loudspeaker. |
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LSFRWS5R ein Produkt der |
Broad range speaker 5 cm, 150 Hz - 10 kHz, 8 Ohm / 4 W, small installation depth (21 mm), without lugs. Optimal for use with MX696, MX699,...,MS990,... . Decoders with 5 V amplifiers (H0 sound decoders) may only partially exploit the power of the loudspeaker. |
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LSFRS7
ein Produkt der |
Broad range speaker 7 cm, 200 Hz - 20 kHz, 8 Ohm / 8 W (rated power). Optimal for use with MX696, MX699,...,MS990,... . Decoders with 5 V amplifiers (H0 sound decoders) may only partially exploit the power of the loudspeaker. |
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LSFRS8
ein Produkt der |
Broad range speaker 8 cm, 100 Hz - 20 kHz, 4 Ohm / 30 W (rated power). Optimal for use with MX696, MX699, ...,MS990, ... . |
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LSSC49
ein Produkt der |
Broad range speaker, 90 x 40 x 14 mm, 120–20 kHz, 8 Ohm, 4 W (rated power), wooden cone Optimal for use with MX696, MX699,...,MS990,... . Decoders with 5 V amplifiers (H0 sound decoders) may only partially exploit the power of the loudspeaker. |
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LSSC59
ein Produkt der |
Broad range speaker, 90 x 50 x 35 mm, 8 Ohm, 10 W (rated power) Optimal for use with MX696, MX699, ...,MS990, ... . |
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status: 04.12.2025