what is the exact diameter of the speaker (width) i’ve only got 1.5 inches to work with and I’m having trouble finding a speaker this small or smaller

The overall diameter of the TPT-ST1 is 1.4 inches, so it should be a perfect fit for your system.

What value is the capacitor in the tweeter

These Tweeters have a built-in capacitor inside of its case to optimize its performance with any stock radio, covering frequency response from 5,000 to 20,000 at 35 watts RMS.

Does it come with capacitor?

There is a capacitor built into the tweeter, it's not visible, but it is inside the tweeter, we would still suggest the use of an active crossover to ensure that the tweeter doesn't try to reproduce any sounds outside of it's bandwidth.

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Timpano TPT-ST1 Dome Tweeter, 1 Inch Tweeter Set for Car Audio, Angle or Surface Mount Tweeters, 4 Ohm Soft Dome 180 Watts for Pro Car Audio (Pair)

Timpano TPT-ST1 Dome Tweeter, 1 Inch Tweeter Set for Car Audio, Angle or Surface Mount Tweeters, 4 Ohm Soft Dome 180 Watts for Pro Car Audio (Pair)

Product ID: 272891105

Details

Audio Output Mode
Stereo
Brand
Timpano
Connectivity Technology
wired
Frequency Response
5000 Hz
Speaker Maximum Output Power
180 Watts

🎯5,000–20,000 Hz frequency range

🔊180W max power pair

🛠️Versatile angle & surface mounts

¥3872

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Upgrade your ride’s soundscape—don’t just drive, arrive with clarity!

BUILT TO LAST - Crafted from premium soft dome materials designed to withstand the rigors of any driving environment without compromise.
MOUNT YOUR WAY - Flexible installation options with included angle mounts, surface mounts, and self-adhesive disks for a seamless fit anywhere.
CRYSTAL CLEAR HIGHS - Experience pristine vocals and sharp treble with a 5,000–20,000 Hz frequency response that elevates every note.
POWERHOUSE PERFORMANCE - Push your car audio to the limit with 180 Watts max power per pair, delivering robust, distortion-free sound.
PRO GRADE AUDIO UPGRADE - Trusted by Timpano engineers to blend affordability with professional-grade sound clarity—your car deserves this.

The Timpano TPT-ST1 Dome Tweeter set delivers professional-grade car audio clarity with a wide 5,000–20,000 Hz frequency range and 180 Watts max power per pair. Designed for versatile mounting and built with durable soft dome materials, these 1-inch tweeters ensure crisp highs and reliable performance, making them the perfect upgrade for audiophiles seeking premium sound on the go.

Specifications

ASIN	B08R5XZ1FC
Additional Features	Wide Frequency Response, High Sensitivity
Antenna Location	Car
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Best Sellers Rank	#14,329 in Electronics ( See Top 100 in Electronics ) #16 in Car Tweeters
Brand	Timpano
Built-In Media	2 Angle Mounts, 2 Regulator Angle Mounts, 2 Self-adhesive disks, 2 Surface Mounts, 6 Mounting Screws
Color	black
Compatible Devices	Laptop, Desktop, MP3 Player
Compatible with Vehicle Type	Car
Connectivity Protocol	wired
Connectivity Technology	wired
Control Method	Touch
Controller Type	Touch
Customer Package Type	Standard Packaging
Customer Reviews	4.2 4.2 out of 5 stars (353)
Enclosure Material	Soft Dome
Frequency Response	5000 Hz
Global Trade Identification Number	00611056238660
Impedance	4 Ohms
Is Waterproof	FALSE
Item Weight	0.08 Kilograms
MP3 player	No
Manufacturer	Timpano
Model Name	TPT-ST1
Model Number	TPT-ST1
Mounting Type	Surface anf Angle
Number Of Circuits	1
Number of Audio Channels	2.0
Number of Items	1
Speaker Maximum Output Power	180 Watts
Speaker Size	1 Inches
Speaker Type	Tweeter
Specific Uses For Product	Car
Subwoofer Connectivity Technology	Wired
Tweeter Diameter	1.5 Inches
UPC	611056238660
Unit Count	2.0 Count
Warranty Type	Limited
Water Resistance Level	Not Water Resistant

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