3000+High Fidelity 8″ Set – W834.H1

$637.00

  • 8″ (200 mm) Mid-woofer
  • Thick steel frame
  • Basalt paper cone
  • Santoprene rubber surround
  • 1 3/8″ (35 mm) voice coil
  • Shorting ring for extended response
  • Gold plated terminals
  • 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
  • 150 Watts RMS power handling*

*  Power rating is figured using an electronic high pass crossover with a minimum crossover point of 70 Hz at 24 dB/Octave, 80 Hz at 18 dB/Octave, or 100 Hz at 12 dB/Octave.

Description

Audio Dynamics speakers were designed to reproduce music with ultimate accuracy.

W834 Mid-woofer Overview

We chose a Basalt cone for its ability to deliver astonishing realism and detailed timbre across the harmonics. We then added an acoustically-transparent chemical to help the soft parts resist moisture.

Fs	53.13 Hz
Qms	3.391
Vas	30.35 l
Cms	0.464 mm/N
Mms	19.36 g
Rms	1.904 kg/s
Dia	165.8 mm
Sd	214.6 cm²
	
Qes	0.5376
Re	3.252 Ω
Le	0.3312 mH
Z	23.77 Ω
Bl	6.253 Tm

Qts	0.464
no	0.8071 %
SPL	91.17 dB 1W/1m
SPL     95.17 dB 2.83V/1m


Frame Outer Diameter	8 3/16" (208mm)
Grille Outer Diameter	8 25/32" (223mm)
Motor Outer Diameter	4 11/32"  (110mm)

Grille Protrusion	  29/32"  (23mm)
Mounting Hole Diameter	      7"  (177mm)
Mounting Depth		2 13/16" (72mm)

 

H1 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