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2 pcs of Knowles ED-29689, Balanced Armature Driver

$50.00 $20.99

More detailed spec can be download from Knowles ED-29689 specification

  • Compact size: 0.081cc
  • Appreciable output power: 112dB nominal, 129dB maximum
  • Two-terminal zero-bias andthree-terminal center-tapped configurations.
  • Undamped, screen damped, internallydamped, and FerrofluidTM damped responses with 2dB, 4dB or 6dB peak amplitude.
  • Numerous port locations.
  • Wide range of coil impedances.
  • Available with FerrofluidTM technology for screenless damping and improved shock performance.
SKU: Knowles ED-29689, Balanced Armature Driver Category:

Description

Knowles ED-29689, Balanced Armature Driver is used by Etymotic Research ER-4 and other Hi-End IEMs

We provide it mainly for the ER4 and X10 single BA IEM DIY kits.

2 pcs of Knowles ED-29689, Balanced Armature Driver
Knowles ED-29689, Balanced Armature Driver
2 pcs of Knowles ED-29689, Balanced Armature Driver
Etymotic Research ER-4

Know more about ER4, the $200+ classic single BA driver unit IEM

Note as ED 29689 is the only BA driver unit in ER4, the sound quality of ER4 is 100% determined by it!

 

About eh ED series of Knowles BA drivers

Features

Compact size: 0.081cc

Appreciable output power: 112dB nominal, 129dB maximum

Two-terminal zero-bias andthree-terminal center-tapped configurations.

Undamped, screen damped, internallydamped, and FerrofluidTM damped responses with 2dB, 4dB or 6dB peak amplitude.

Numerous port locations.

Wide range of coil impedances.

Available with FerrofluidTM technology for screenless damping and improved shock performance.

Physical spec

2 pcs of Knowles ED-29689, Balanced Armature Driver
Physical spec of  Knowles ED-29689, Balanced Armature Driver

Frequency response – factory measurement

2 pcs of Knowles ED-29689, Balanced Armature Driver
FR of Knowles ED-29689, Balanced Armature Driver

Frequency – by IEC 711 coupler (closer to real human experience)

2 pcs of Knowles ED-29689, Balanced Armature Driver
IEC711 FR of Knowles ED-29689, Balanced Armature Driver

Additional information

Weight 0.1 kg
Dimensions 15 x 10 x 3 cm

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