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Location: shen zhen shi
Ships to: US,
Item: 155648990847
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Cayin:Cayin
Type:Tube Amplifier
Cayin HA-3A:Cayin HA-3A
Cayin HA-3A vacuum tube headphone amplifier XLR/RCA input 12AU7/EC882/6V6S/22DE4Product parameters:Rated output power:STD unbalanced output: 400mW+400mW(L); 600mW+600mW(M): 700mW+700mW(H)4.4BAL balanced output: 230mW+230mW(L); 350mW+350mW(M); 400mW+400mW(H)4PIN BAL balanced output: 600mW+600mW(L): 750mW+750mW(M): 850mW+850mw(H)Frequency response: 18Hz~30kHz±3dBTotal harmonic distortion: 0.2% (1kHz, 200mW; rated output power less than 5%)Sensitivity: 300mV~480mVSignal-to-noise ratio: 100dB (A-weighted)Headphone impedance matching: L: 8~64Ω; M: 65~250Ω; H: 251~600ΩHeadphone output socket: 6.35mm unbalanced headphone socket; 4.4mm balanced headphone socket; 4PIN balanced headphone socketInput Impedance: 40kΩInput terminal: XLR, RCAVacuum tubes used: JJ 12AU7/ECC82×2, JJ 6V6S×2, RCA22DE4×1Volume: 306mm×260mm×170mmNet weight: 12KGMain fuse: ~220V-240V:T1AL250V;~100V-120V:T2AL250VExternal high voltage fuse: T125MAE250VPower consumption of the whole machine: 80WWorking conditions: Temperature: 0°C~40°C Humidity: 20%~80%Storage conditions: Temperature: -20°C~70°C Humidity: 20%~90%Carefully selectedTwo JJ6V6S imported vacuum tubes for single-ended pure class A power amplificationTwo JJ12AU7 (ECC82) for voltage amplificationHierarchical independent power supply with large signal-to-noise ratio optimizationThe RCA 22DE4, which is highly praised in the same type of tube type, is used as the rectifier tubeResponsible for the independent power supply of the voltage amplifier stage and the low-noise voltage regulation circuit to ensure pure, low-noise and stable sound output.Output power mono up to 700mWHigh, medium and low impedance selectionThree headphone output terminals6.35mm single-ended44.mm balance4-Pin BalanceEach headphone jack is independently optimized for tuning, among which the 4.4mm balanced headphone output jack is optimized for in-ear earbuds.XLR and RCA line inputIn addition to matching with desktop decoders or CD players, it can also be used with portable players through adapter cables.The shell of HA-3A is carefully crafted with 14 spray paint and polishing process. The aviation aluminum alloy panel is used on the front, which has both beautiful and practical tough lines, adding a high-quality texture to the home space.It is made by hand-built point-to-point wiring. The internal circuit of each HA-3A machine is carefully hand-wired by experienced technicians using high-standard wires and components. To ensure that the circuit has a higher pass rate, the transparency and fineness of the sound are better.Adhere to the self-developed high-quality power transformer, which adopts high-purity copper enameled wire winding design, which produces lower magnetic interference than standard transformers. In addition, special research on shielding packaging technology and circuit protection measures further protects the power amplifier circuit from sound interference, and effectively Improve product life.Anti-vibration and anti-interferenceAviation aluminum panel, high-strength metal shell,Base reinforcement design, three machine feet form a triangular stable structure,Minimize external environmental impact.Standard vacuum tube protection coverIt not only protects the vacuum tube, but also prevents accidental contact with the vacuum tube that generates heat during work.Power-on mute 60 seconds delayProtect the life of the machine, while ensuring sufficient preheating and a good sound1: Power switch2: Power indicator3: Headphone output selection switch4: 6.35mm single-ended headphone output5: 4.4mm balanced headphone output6: 4-Pin balanced headphone output7: Headphone impedance selection8: VU level meter9: Audio input selection switch10: Volume control knob Payment Terms:1. We only accept paypal payment, other payment methods are not acceptable.2. Payment should be completed within 7 days of bid or auction closing. Or unpaid dispute will be filed for non-payer after 7 days of sales day. Shipping Terms:1. We ship to Worldwide. 2. We ship your orders within 1-2 business days after the payment cleared. 3. Item shipped from HONGKONG/Singapore / China / Post Airmail, reach most of the countries within 15 to 25 days. If some countries cannot send the default shipping channel. need to choose to send FEDEX, DHL, EMS express delivery, you need to pay additional shipping costs, and we will contact you by email for the specific amount. If you need to choose EMS/DHL/FEDEX, please contact us. But the need to charge additional shipping costs. 4. Deivery time depends on destination and other factors, it may takes up to 25 days. If you don’t receive the item after 25 days, Please contact us, we’ll investigate and solve the delivery problem. Return Terms:1. If you receive defective item, please kindly notify us within 7 days. We will guide you the returning instruction for replacement or refund.2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund,All costs incurred for product returns are to be paid by the buyer. (Return the resulting duties,) Guarantee the integrity of the returned product.all return shipping fee should be paid by the buyer unless item DOA.Please notice us within 3 days and return the case within 7 days after receiving (The date on Post Mark is for standard). After our receiving of the items in good appearance condition, you may have a replacement or refund as long as we cancel the order on ebay, and Shipping cost is non-refundable, as you know shipping & handling was paid to post office.3.If the item was sent back for repair, buyer pays for the returning fee. We will be responsible for 2nd shipping cost & handling.If you ask for replacement or repair after one month since you paid, you need to pay for the 2nd shipping cost & handling.If you have to return the item for the refund, you will pay a 20 % restocking fee.4.The address on the parcel is not ours, it is the postman, please DON’T SHIP TO THERE. Please contact with us for the return address before you return it, otherwise we can’t get the parcel you returned. Please contact us for return address before you send. Warranty:1 year carry in warranty.Return and exchange item within 30 days of delivery if item not functioned.Buyer responsible shipping and handling fee.Buyers Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility.Please check with your country customs office to determine what these additional costs will be prior to bidding/buying. Custom Duties & Taxes:1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer’s responsibility.2. Avoiding some unnecessary trouble, please check with your country’s customs office to inform us what we should declare its value before shipping.3. If the condition of your purchase is incorrect, please pay attention to the resulting customs duties for the return, and the customs duties arising from the return should be paid by the buyer, unless the item DOA. Feedback:1. If you are dissatisfied for any reason, please don’t be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.
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