High Fidelity 1" tweeter - H1
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High Fidelity 1″ tweeter – H1

$249.00

 

  • 1″ (25 mm) Dome Tweeter
  • 1″ (25mm) voice coil for extreme power handling and motor force
  • Patented split gap motor with multiple copper shorting rings for an extended response with world class open and natural sound
  • +/- 1.4mm of linear excursion
  • Triple fabric dome with proprietary unifying compound for world class damping
  • Large roll surround for higher stroke and full range down to 1500Hz
  • Chemically etched, integrated, steel grille featuring artistic hole pattern design
  • Mass loaded ABS/PC blend polymer faceplate and mount
  • Included threaded rear with large diameter ABS nut for easy flush mounting
  • Included 45 degree angle ball mount for surface mounting
  • Included bridge mount for placing in openings up to 7″ (180mm) wide
  • 200 Watts RMS power handling*

* All power ratings are figured using an electronic high pass crossover with a minimum crossover point of 3kHz at 24dB/Octave, 3.5kHz at 18dB/Octave, or 4kHz at 12dB/Octave.

Note that with lower power applications, these frequencies may be adjusted down

SKU: H1 Categories: , , ,

Description

Overview

The High Fidelity H1 tweeter is a high stroke, low distortion multilayer fabric dome 25mm tweeter.  This tweeter features exceptionally high stroke to allow lower crossover points without compression.

The H1 tweeter features a split-gap design which provides ±1.4mm of linear excursion, approximately 5 to 6 times that of most other tweeters. The result is a wider operational bandwidth – as low as 1500 Hz – and distortion reduced by up to a factor of 4.

The H1 uses a specially developed dome material.  The dome’s fabric is a lamination of silk, polyester, and cotton and treated with a proprietary compound to unify the layers but allow each to provide their own unique benefits.  Silk adds the stretch/pull basic mechanical strength; polyester provides rigidity of shape; cotton provides improved damping.

The H1 does not use a rear chamber to lower its resonance; instead, a larger roll surround provides a lower resonance of the driver.  This design allows for higher stroke as well, for full-range output down to 1500 Hz.  And by removing the rear chamber, resonances from that chamber are eliminated. The elimination of the rear chamber results in an 11.2mm (7/16”) mounting depth for freedom of positioning.

The H1 comes with an integrated chemically etched steel grille featuring an anti-resonant hole-pattern with size of opening optimized for dispersion.

The H1 features a threaded rear body and a large diameter ABS nut for securing it to panels up to 3/8″ (9.5mm) thick. Also included is a 45 degree surface cup and metal bridge mount to accommodate every type of installation scenario.

Thiele Small Parameters

Impedance 4 Ohms
Nominal SPL 89 dB @ 1W, 1m (92 dB @ 2.83Vrms, 1m)
Resonant Frequency 1500 Hz ±10%
THD @ 100 dB, 4th order high pass @ 1500 Hz Less than 1%, 1 meter
Max power handling 400W, 4th order high pass @ 4000 Hz

 

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