family of woods in the Heritage Series is growing with the Norwegian
Pine used in the new GH3 and GH4.
The GH3 is the first entry-level pair
to be released in the Heritage Series, using thinner cuts of wood but
still housing Grado signature drivers.
These limited editions are the first Grado headphones to utilize the
warm and textured tonal abilities of Norwegian Pine. We sourced a
specific species of this wood for the housings, searching for the right
patterns and musical character desired for the GH3. A combination of a
quarter sawn cut and a special curing process, without which building
these pairs wouldn’t have been possible, help bring these pairs to to
Transducer Type: Dynamic Operating Principle: Open Air Frequency Response: 18 - 24,000 hz SPL 1mW: 99.8 dB Nominal Impedance: 32 ohms Driver Matched dB: .05 dB