{"id":19622,"date":"2017-08-20T18:22:43","date_gmt":"2017-08-20T18:22:43","guid":{"rendered":"https:\/\/audiocentras.lt\/produktas\/jl-audio-c1-075ct-tweeters\/"},"modified":"2026-09-29T16:13:53","modified_gmt":"2026-09-29T16:13:53","slug":"jl-audio-c1-075ct-tweeters","status":"publish","type":"product","link":"https:\/\/audiocentras.lt\/en\/produktas\/jl-audio-c1-075ct-tweeters\/","title":{"rendered":"JL Audio C1-075ct Tweeters"},"content":{"rendered":"

JL Audio C1-075ct tweeters<\/strong> are designed for the high-frequency section of an in-car audio system. They reproduce frequencies from 4 kHz to 24 kHz with a \u00b13 dB tolerance. The included mounting options support either flush or surface installation, allowing the tweeter position to be adapted to the vehicle\u2019s interior trim and the available space.<\/p>\n

This set is intended specifically for high-frequency reproduction. It is a suitable choice when an audio system is being assembled from separate speakers for different frequency bands. The electrical parameters and installation dimensions of the model should be checked carefully before any interior trim panels are cut or drilled.<\/p>\n

Role in the audio system<\/h2>\n

A tweeter reproduces the upper frequency range of a car audio system. The specified frequency response of this model begins at 4 kHz, so the C1-075ct is not designed to reproduce the full musical frequency spectrum on its own.<\/p>\n

The set can be used in a component system together with speakers that cover the other frequency bands. These bands must be separated correctly by a crossover. Proper filtering prevents lower frequencies from reaching a tweeter that is not intended to reproduce them.<\/p>\n

Choosing an amplifier<\/h2>\n

The continuous power handling<\/strong> is rated at 50 W RMS. This figure describes long-term power handling rather than a brief peak-power capacity. The recommended amplifier output is 20-50 W RMS per channel.<\/p>\n

The nominal impedance<\/strong> is 6 \u03a9. Check the impedance range supported by the amplifier as well as the total load connected to the channel, especially when using multiple speakers. The tweeter\u2019s impedance should not be considered separately from that of other speakers connected to the same channel. Wiring several speakers in parallel changes the channel\u2019s total load.<\/p>\n

The 91 dB sensitivity rating is measured with 1 W of input power at a distance of 1 metre. This standardised measurement provides a useful basis for comparing speakers. By itself, however, it does not determine the final volume inside a vehicle, as installation position and system adjustment also affect the result.<\/p>\n

Two installation methods<\/h2>\n

Flush mounting<\/strong> allows most of the tweeter housing to be concealed within the trim. Installation requires a 37 mm diameter cut-out and at least 10 mm of mounting depth. The mounting section has a diameter of 42 mm, while the front of the installed tweeter projects by 6 mm.<\/p>\n

Before drilling, check more than the diameter of the opening. There must also be enough clear space behind the trim for the complete mounting depth. Take care to avoid factory wiring, mounting hardware and any moving interior components.<\/p>\n

For surface mounting<\/strong>, the mounting section has a diameter of 43 mm. The tweeter projects 19 mm from the installation surface, so the movement of doors and other trim components must be considered when selecting its position.<\/p>\n

A surface-mounted tweeter extends farther into the cabin, while flush mounting requires both a cut-out and sufficient clearance behind the panel. Because the two options have different space requirements, it is best to choose the installation method before dismantling the vehicle interior.<\/p>\n

Position and aiming<\/h2>\n

High frequencies are more directional than low frequencies. The left and right tweeters should therefore be installed at approximately the same height wherever possible. Begin by aiming them towards the listening area, then assess the final position while seated in the driver\u2019s seat.<\/p>\n

If one side sounds excessively prominent, the cause may be an unequal listening distance or a difference in aiming. Compare several positions before securing the tweeters permanently. Change only one parameter at a time so that you can identify which adjustment produced the result.<\/p>\n

Installing the crossover<\/h2>\n

The crossover<\/strong> housing is 50 mm wide, 34 mm deep and 23 mm high. These dimensions must be included when planning the installation. Choose a location where the housing will not be compressed by trim panels or obstructed by moving parts.<\/p>\n

The crossover should remain accessible until the vehicle interior has been fully tested and is ready for final reassembly. This makes it easier to inspect the connections during installation. Its housing must also be secured firmly so that it cannot move or rattle between trim components while the vehicle is in motion.<\/p>\n

Technical specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/th>\nJL Audio C1-075ct<\/td>\n<\/tr>\n
Type<\/th>\nTweeter set<\/td>\n<\/tr>\n
Continuous power handling<\/th>\n50 W RMS<\/td>\n<\/tr>\n
Recommended amplifier power<\/th>\n20-50 W RMS per channel<\/td>\n<\/tr>\n
Sensitivity<\/th>\n91.0 dB at 1 W \/ 1 m<\/td>\n<\/tr>\n
Nominal impedance<\/th>\n6 \u03a9<\/td>\n<\/tr>\n
Frequency response<\/th>\n4 kHz-24 kHz, \u00b13 dB<\/td>\n<\/tr>\n
Flush-mount fixture diameter A1<\/th>\n42 mm \/ 1.67 in<\/td>\n<\/tr>\n
Surface-mount fixture diameter A2<\/th>\n43 mm \/ 1.71 in<\/td>\n<\/tr>\n
Flush-mount cut-out diameter B<\/th>\n37 mm \/ 1.46 in<\/td>\n<\/tr>\n
Flush-mount depth C<\/th>\n10 mm \/ 0.40 in<\/td>\n<\/tr>\n
Flush-mount projection D1<\/th>\n6 mm \/ 0.23 in<\/td>\n<\/tr>\n
Surface-mount projection D2<\/th>\n19 mm \/ 0.76 in<\/td>\n<\/tr>\n
Crossover width<\/th>\n50 mm \/ 1.96 in<\/td>\n<\/tr>\n
Crossover depth<\/th>\n34 mm \/ 1.34 in<\/td>\n<\/tr>\n
Crossover height<\/th>\n23 mm \/ 0.90 in<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

FAQ<\/h2>\n

What is this set designed for?<\/h3>\n

It is designed to reproduce the high-frequency band in a component car audio system. Speakers covering the other frequency bands are also required to reproduce the full audio spectrum.<\/p>\n

What amplifier power should I choose?<\/h3>\n

An amplifier output of 20-50 W RMS per channel is recommended. Use the RMS rating for comparison, as a short-term peak-power figure is not directly comparable.<\/p>\n

Can these tweeters be connected to any car amplifier?<\/h3>\n

Check the amplifier\u2019s supported impedance range and the total channel load, particularly when several speakers are connected to the same channel.<\/p>\n

Which installation method should I choose?<\/h3>\n

Surface mounting results in a 19 mm projection, while flush mounting requires a 37 mm opening and 10 mm of installation depth. Choose according to the available space and the construction of the interior trim.<\/p>\n

Can these tweeters operate without a crossover?<\/h3>\n

Lower frequencies must be properly restricted before the signal reaches the tweeter. In a component system, the crossover separates the frequency band intended for high-frequency reproduction.<\/p>\n

How should I aim the tweeters?<\/h3>\n

Start by aiming both tweeters towards the listening area. Compare several angles from the driver\u2019s seat, then select the position that produces the most even sound.<\/p>\n

Do I need to plan space for the crossover before installation?<\/h3>\n

Yes. The crossover housing is 50 mm wide, 34 mm deep and 23 mm high, so its location should be planned before the interior trim is finally reassembled.<\/p>\n","protected":false},"excerpt":{"rendered":"

JL Audio C1-075ct<\/strong> is a tweeter set for a component car audio system. It reproduces the 4-24 kHz range with a \u00b13 dB tolerance. Its 50 W RMS continuous power handling is matched to a recommended amplifier output of 20-50 W RMS per channel. Flush-mount and surface-mount options let you choose the installation method best suited to the vehicle\u2019s interior trim.<\/p>\n","protected":false},"featured_media":19605,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_members_access_role":[],"_members_access_error":""},"product_brand":[],"product_cat":[439,75],"product_tag":[2403,897,723,2404,229,2405,1765],"class_list":["post-19622","product","type-product","status-publish","has-post-thumbnail","product_cat-car-audio","product_cat-garsiakalbiai","product_tag-c1-075ct","product_tag-car-audio","product_tag-component-speakers","product_tag-flush-mounting","product_tag-jl-audio","product_tag-surface-mounting","product_tag-tweeters","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nJL Audio C1-075ct Tweeters - 50 W RMS<\/title>\n<meta name=\"description\" content=\"JL Audio C1-075ct car tweeters with 50 W RMS power handling, a 4-24 kHz range and two mounting options for component systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/audiocentras.lt\/en\/produktas\/jl-audio-c1-075ct-tweeters\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JL Audio C1-075ct Tweeters\" \/>\n<meta property=\"og:description\" content=\"JL Audio C1-075ct car tweeters with 50 W RMS power handling, a 4-24 kHz range and two mounting options for component systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/audiocentras.lt\/en\/produktas\/jl-audio-c1-075ct-tweeters\/\" \/>\n<meta property=\"og:site_name\" content=\"audio centras\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Audiocentras\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-29T16:13:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/audiocentras.lt\/wp-content\/uploads\/2026\/09\/jl-audio-c1-075ct-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"690\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/audiocentras.lt\\\/en\\\/produktas\\\/jl-audio-c1-075ct-tweeters\\\/\",\"url\":\"https:\\\/\\\/audiocentras.lt\\\/en\\\/produktas\\\/jl-audio-c1-075ct-tweeters\\\/\",\"name\":\"JL Audio C1-075ct Tweeters - 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