Vented diaphragm: Grado headphones have a vented diaphragm
design for a large, airy, three-dimensional sound. The hybrid air chamber has an
inner sleeve hand-crafted from a specially selected species of mahogany. An
intricate procedure of curing is done between production steps to achieve optimal
sonic quality. The outer housing is machined from a special non-resonant, hard
alloy. This combination of wood and metal insures the earphone chamber has no
"ringing" which might obscure detail or add coloration.
Drivers: The diaphragm is made of a low mass polymer,
developed with the suspension's compliance in mind, to achieve the desired low
frequency response. The diaphragm's total mass is designed to provide a full 20
kHz bandwidth, while avoiding break-up at lower frequencies. High power
neodymium magnets maximize efficiency and minimize weight. The left and right
drivers are matched to within 0.05 dB for exact imaging.
Voice Coil: The PS1000's voice-coils are wound from ultra-high
purity, long crystal (UHPLC) oxygen free copper. This high conductivity copper yields
a clear transmission and minimizes coloration, resulting in smooth, clean and dynamic
Connecting Cord: Grado also uses UHPLC copper in the cable.
The new 8-conductor cable design improves the control and stability in the upper
and lower frequency ranges.
G-Cushion: The PS1000's over-ear cushion design creates a
virtual room where your ears sit. The result of this room is a more spacious
soundstage, and long term comfort.
Our Product Research Team
At Crutchfield, you'll get detailed, accurate information that's hard to
find elsewhere. That's because we have our own in-house Product Research
team. They verify what’s in the box, check the owner's manual, and record
dimensions, features and specs. We stay on top of new products and technologies
to help people make informed choices.