Grado "e series" HEADPHONES SPECIFICATIONS

 
PS 1000e
PS500e
GS 1000e
RS1e
RS2e
Transducer type
dynamic
dynamic
dynamic
dynamic
dynamic
Principle of operation
open
open
open
open
open
Frequency response (Hz)
8/35k
14/29k
10/35k
12/30k
14/28k
Sound pressure (db) 1mV
98
98
98
98
98
Nominal impedance (Ohms)
32
32
32
32
32
Transducers tolerance (db)
0.5
0.5
0.5
0.5
0.5
Device weight (g)
500
300
320
310
260
Conductors in cable
8
8
8
8
8
Jack
1/4
3.5mm
1/4
3.5mm
3.5mm
Adaptor: 3.5mm to1/4''
No
Metal
No
Metal
Metal
Cable length (m)
1.8
1.8
1.8
1.8
1.8
Acoustic chamber
Alloy
Alloy
Mahogany
Mahogany
Mahogany
Sleeve
Mahogany
Mahogany
None
None
None
Voice coil material
UHPLC
UHPLC
UHPLC
UHPLC
UHPLC
Cable material
UHPLC
UHPLC
UHPLC
UHPLC
UHPLC
SR325e
SR225e
SR125e
SR80e
SR60e
Transducer type

dynamic

dynamic
dynamic
dynamic
dynamic
Principle of operation
open
open
open
open
open
Frequency response (Hz)
18/24k
20/22k
20/20k
20/20k
20/20k
Sound pressure (db) 1mV
98
98
98
98
98
Nominal impedance (Ohms)
32
32
32
32
32
Transducers tolerance (db)
0.5
0.5
0.5
1
1
Device weight (g)
340
280
225
225
225
Numbers of conductors in cable
8
8
8
4
4
Jack
3.5mm
3.5mm
3.5mm
3.5mm
3.5mm
Adaptor: 3.5mm to 1/4''
Metal
Metal
Metal
Metal
Metal
Cable length (m)
1.8
1,8
1.8
2.1
2.1
Acoustic chamber
Aluminium
Plastic
Plastic
Plastic
Plastic
Voice coil material
UHPLC
UHPLC
UHPLC
Standard copper
Standard copper
Cable material
UHPLC
Standard copper
Standard copper
Standard copper
Standard copper
 
iGrado
GR10
GR8
iGi
Transducer type
dynamic
moving armature
moving
armature
moving
armature
Principle of operation
open
in ear
in ear
in ear
Frequency response (Hz)
20-20k
20-20k
20-20k
20-20k
Sound pressure (db) 1mV
100
116
118
105
Nominal impedance (Ohms)
32
32
120
24
Transducers tolerance (db)
1
na
na
na
Device weight (g)
90
9
9
8
Numbers of conductors in cable
4
4
4
4
Cable length (m)
1
1.3
1.3
1.3
Material of acoustic chamber
plastic
Black plastic
Black plastic
Black plastic
Voice coil material
Standard copper
na
na
na
Cable material
Standard copper
Oxygen free copper
Oxygen free copper
Oxygen free copper
 
 

PHONO CARTRIDGES SPECIFICATIONS

 
Specifications
STATEMENT Series
REFERENCE Series ''LOW''
 
Statement 1
Reference 1/ Master 1
Sonata 1/ Platinum 1
Frequency response (Hz)
5 a 70K
10 à 60k
10 à 60k
Principle of operation
Flux bridger
Flux bridger
Flux bridger
Separation at 1KHz
45 db
40 db
40 db
Impedance (Ohm)
47k
47K
47K
Output at 1KHz 5CM/sec.
0.5mV
0.5mV
0.5mV
Stylus pressure (g)
1,5
1.5
1.5
Stylus shape

Elliptical

Elliptical
Elliptical
Inductance (Mh)
2
2
2
Resistance (Ohm)
2
2
2
Compliance (Cus)
20
20
20
Stylus replaceable
Mounting (½ inch or ''P mount'')
½ inch
½ inch
½ inch
Cartridge weight (g)
7
6.5
6.5
 
Specifications
REFERENCE Series ''HIGH''
PRESTIGE Series
 
Reference 1 & Master 1
Sonata 1 & Platinum 1
GOLD 1 & SILVER 1
RED 1&
BLUE 1
GREEN 1 & BLACK 1
Frequency response (Hz)
10 a 60k
10 a 60k
10 à 60k
10 à 55k
10 à 50k
Principle of operation
Flux bridger
Flux bridger
Flux bridger
Flux bridger
Flux bridger
Separation at 1KHz
40 db
40 db
35 db
30 db
30 db
Impedance (Ohm)
47K
47K
47K
47K
47K
Output at 1KHz 5CM/sec.
5mV
5mV
5mV
5mV
5mV
Stylus pressure (g)
1.5
1.5
1.5
1.5
1.5
Stylus shape
Elliptical
Elliptical
Elliptical
Elliptical
Elliptical
Inductance (Mh)
45
45
45mH
45mH
45mH
Resistance (Ohm)
475
475
475
475
475
Compliance (Cus)
20
20
20
20
20
Stylus replaceable
no
no
by end user
by end user
by end user
Mounting (½ inch or ''P mount'')
½ inch
½ inch
½ inch and ''P mount''
½ inch
½ inch and ''P mount''
Cartridge weight (g)
6.5
6.5
5.5
5.5
5.5
 
Specifications
Serie SPECIALITE
 

78E et 78C

MC+ et ME+
DJ100i et DJ200i
Frequency response (Hz)
10 à 50K
10 à 50k
10 à 50k
Principle of operation
Flux bridger
Flux bridger
Flux bridger
Separation at 1KHz
N/A
N/A
30 db
Impedance (Ohm)
47k
47K
47K
Output at 1KHz 5CM/sec.
4mV
4mV
4mV
Stylus pressure (g)
2 à 5
1.5
2 à 5
Stylus shape
Conical
Elliptical
Elliptical
Inductance (Mh)
45
45
45
Resistance (Ohm)
475
475
475
Compliance (Cus)
20
20
20
Stylus replaceable
by end user
by end user
by end user
Mounting (½ inch or ''P mount'')
½ inch
½ inch
½ inch
Cartridge weight (g)
5.5
5.5
5.5
Stylus replacement: Please see "Styli" for details regarding the replacement of a stylus"
If identified a "not" replaceable in the above chart (Referense and Statement Series, with wooden bodies), see our "Second time buyer" program at the bottom of the very same page.
We keep in stock Silver and Black cartridges. All other models are available by special order
Cartridges of the Statement and Reference Series are available in MONO VERSION through special order.
Updated: August 2014