Budu si kupovat Sennheiser hd600 a nejspíš k nim budu potřebovat zesilovač.Našel jsem na ebay tyhle trubičkové zesilovače
[ Link ] co si o tom myslíte?Poslouchat budu z pc ze zvukovky Asus Xonar D2X a z Ipod Touch
Specification:
In Put Power: DC24V
Input Sensitivity: 100mV
Input Impedance: 100KOhm
Out-Put Impedance: 20~600 Ohm
Gain: 30dB
Frequency response: 10Hz-60KHz +/- 0.25dB
Signal/Noise Ratio: >90dB
Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm)
THD: 0.016%(300 ohm) 0.45%(33 ohm)
IMD + Noise: 0.045(300 ohm) 0.42(33ohm)
Dimension:79mm (D) X 79mm (W) X 44mm (H)not measure to tube and transformer
Shipping Weight: 600 g
a podobnej má tyto specifikace
Pure Class A Headphone Amplifier & Pre Amplifier
Hybrid ! Valve & MOS-FET in Use!!
Without any OP amp IC inside!!!
Audiophile Performance Design Absolutely!!!
Our Indeed headphone amplifier is different to others.
A/ High grade Caps & Dale resisters, ALPS volume in use.
B/ High cost Large 24V2A low noise adapter with grounding.
C/ Precision select 6922 valve, also match R/L channel within 1dB out put differential.
It is a high value and cute headphone amplifier hook up to your PC / Mp3 /MP4/ ipod / any stereo device. You can have a powerful, dynamic and sweet TUBE SOUND from your headphone ! You’ll be astounded at the improvement in sound quality, dynamic range, meticulous transparency, completely demonstrate its high performance and analytical ability, it can also connect with power amplifier such as a high performance pre amplifier to improve your Hi Fi system.
New electro-harmonix 6922EH tube made in Russia
(we have carefully choose and test in Lab).
-Using Elna Caps and Dale resistor.
The each one of 6DJ8/6N11/ECC88 is fully suitable for replacement with much difference musical taste chose by owner. (6DJ8/6N11/ECC88 Excluding in this item for sale)!
In Put Power: DC24V
Input Sensitivity: 50mV
Input Impedance: 100KOhm
Out-Put Impedance: 20~600 Ohm
Gain: 20dB
Frequency response: 10Hz-60KHz +/- 0.25dB
Signal/Noise Ratio: >91dB
Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm)
THD: 0.016%(300 ohm) 0.45%(33 ohm)
IMD + Noise: 0.045(300 ohm) 0.42(33ohm)
Dimension:79mm (D) X 79mm (W) X 44mm (H)not measure to tube and transformer
Shipping Weight: 0.55 kg