MK2 6922 Class A Headphone Amp | MK2 6922 Electronic tube amp:328 yuan(Including: Russia 6922EH bile duct\supporting power supply 24v 2A) Shop goodsNo bargaining, You can shoot directly, thank you! Baby test parameters | In Put Power(Operating Voltage): DC24V Input Sensitivity(Input sensitivity): 50mV Input Impedance(input resistance): 100KOhm Out-Put Impedance(Output impedance): 20~600 Ohm Gain(Gain): 20dB Frequency response(Frequency response): 10Hz-60KHz +/- 0.25dB Signal/Noise Ratio(Signal-to-noise ratio): ≫91dB Dynamic range(Dynamic Range): 84.6dBA(300 ohm) 89.8dBA(33 ohm) THD(Total harmonic distortion): 0.016%(300 ohm) 0.45%(33 ohm) IMD + Noise(Intermodulation distortion): 0.045(300 ohm) 0.42(33ohm) Dimension(size):79mm (D) X 79mm (W) X 44mm (H)not measure to tube and transformer Shipping Weight(weight): 0.55 kg | |
MK2 6922 Class A Headphone Amp physical photo-(The two small blue potentiometers have been changed to better quality Panasonic potentiometers, the photos have not been updated) | Suggest:There will be a buffer of about 20 seconds after booting, and then plug in the earphones after buffering. . . When using the current level, please turn on the power of the amp first, and then turn on the power amplifier! |
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enter:3.5 Audio seat or RCA seat Output:6.35 audio seat | The old version on the left(Currently there are counterfeit products of this version on the market, even the test parameters are also copied from the store link, please pay attention to distinguish!) old versionRCA inputNot strong enough,6.35 audio output socketwithswitchShorter life span,Poor contact may occur for a long time of use. Improvements in the new version of MK2: ◆RCA is changed to a metal shell, which is more firmly welded to the board. ——The original plastic RCA is easy to shake and break ◆6.35 Audio output socket, good contact point(Copper feet), Longer lifespan, more securely fixed on the board. ——The original output seat is not fixed firmly, shaking left and right, easy to contact bad ◆Use a high-current power switch for better contact and longer service life ——The original power switch contacts are prone to sparks when the machine is switched on and off, and the contacts may be in poor contact if the switching times are too high. ◆The new version of MK2 circuit wiring is more reasonable and the signal-to-noise ratio is higher ◆Increase the filter capacitor, ELNA 8200uf + Nichicon 680uf + Nichicon 680uf ◆Original imported field effect tube, original ST LM317, some imported resistors, good materials, guaranteed sound quality ◆The output capacitor is changed to a feverish ELNA blue gown in parallel with WIMA, and the effect is significantly improved ◆Added rubber anti-vibration foot pads to prevent scratches on the desktop ◆Fine acrylic carving craftsmanship makes the whole machine more delicate and beautiful. . . |
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contact us | Want to be prosperous if needed Or directly contact your mobile phone:1385 9944080 |
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how to buy | Buyers are recommended to use Alipay for transactions. Buyers who have not applied for Alipay can also transfer money by bank transfer. Bank transfer: Account Bank: Industrial and Commercial Bank of China Xiamen Branch Card No.: 6222 0041 0010 1441788 Household Name: Chen Qiuhong Please contact us at the first time after the remittance, and inform you of the goods you need, the amount of remittance, Taobao user name and your delivery address, name, and phone number, so as not to delay delivery, thank you!
Contact number: 13859944080 |
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Receipt notes | In order to protect your interests, before the courier leaves, please check the quantity of goods in the package and whether the accessories are complete; whether the appearance of the goods is damaged or other abnormal conditions before signing for the goods. If you or your family, friends, classmates or guards agree to sign for the goods, it means that you have confirmed that you have received the goods from our store and checked that there is no difference. If the above-mentioned situation is found on the spot when signing for the goods, please refuse to sign for the goods and get in touch with the shop immediately(If you do not check the receipt, you are responsible for yourself, remember) |
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