smallcurd
New Head-Fier
- Joined
- Aug 6, 2006
- Posts
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Hello,
I just bought some er4s's which I was planning to use with a laptop soundcard.
The Echo Indigo IO. Im thinking it will be fine but I'm not totally sure, because Im not sure how to match the specifications up.
Analog Output [indigo]
* 1 stereo 1/8" connector
* Frequency Response: 10Hz-20kHz, ±0.5dB
* Dynamic Range: >109dB A-weighted
* THD+n at -3dbfs, 1kHz sine wave: <0.0013% A-weighted
* Nominal Output Level: -10dBV
* Maximum Output level: +6.3 dBu
ER•4 Technical Specifications
Response Accuracy:
ER•4S MicroPro Earphones: 92%
ER•4P MicroPro Earphones: 86%
Noise Isolation: 35-42 dB
Frequency response: 50-10 kHz ± 2 dB; 20-16 kHz ±4 dB
Acoustic polarity: + electrical = + acoustic
Transducer type: balanced armature
1 kHz sensitivity (ER•4B/ER•4S): 108 dB SPL for a 0.79 V input
(90 dB @ 0.1 V; 100 dB @ 1mW)
1 kHz sensitivity (ER•4P): 108 dB SPL for a 0.2 V input
(102 dB @ 0.1 V; 106 dB @ 1mW)
Impedance (ER•4B/ER•4S): 100 Ohms nominal
Impedance (ER•4P): 27 Ohms nominal
Maximum output: 122 dB SPL
Maximum continuous input (ER•4B/ER•4S): 3.0 Vrms
Maximum continuous input (ER•4P): .75 Vrms
Weight: less than 1 oz.
Is this enough information to know? how do I account for the 100 Ohms in the eymotic?
Sorry, Newbie here.. Thanks!
I just bought some er4s's which I was planning to use with a laptop soundcard.
The Echo Indigo IO. Im thinking it will be fine but I'm not totally sure, because Im not sure how to match the specifications up.
Analog Output [indigo]
* 1 stereo 1/8" connector
* Frequency Response: 10Hz-20kHz, ±0.5dB
* Dynamic Range: >109dB A-weighted
* THD+n at -3dbfs, 1kHz sine wave: <0.0013% A-weighted
* Nominal Output Level: -10dBV
* Maximum Output level: +6.3 dBu
ER•4 Technical Specifications
Response Accuracy:
ER•4S MicroPro Earphones: 92%
ER•4P MicroPro Earphones: 86%
Noise Isolation: 35-42 dB
Frequency response: 50-10 kHz ± 2 dB; 20-16 kHz ±4 dB
Acoustic polarity: + electrical = + acoustic
Transducer type: balanced armature
1 kHz sensitivity (ER•4B/ER•4S): 108 dB SPL for a 0.79 V input
(90 dB @ 0.1 V; 100 dB @ 1mW)
1 kHz sensitivity (ER•4P): 108 dB SPL for a 0.2 V input
(102 dB @ 0.1 V; 106 dB @ 1mW)
Impedance (ER•4B/ER•4S): 100 Ohms nominal
Impedance (ER•4P): 27 Ohms nominal
Maximum output: 122 dB SPL
Maximum continuous input (ER•4B/ER•4S): 3.0 Vrms
Maximum continuous input (ER•4P): .75 Vrms
Weight: less than 1 oz.
Is this enough information to know? how do I account for the 100 Ohms in the eymotic?
Sorry, Newbie here.. Thanks!
