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Description Little Bear B1 BLK Portable Rechargable Tube valve headphone amplifier amp V1.3
B-1 is a tube headphone amplifier and portable, the sound feels warmer than transistor products. It has built-in battery protection circuit. It powers off after is is fully charged automatically, Can realize the use of human intelligence.
Upgrade log (30th-Apri-2015):
In this version upgrade 3 options:
1, Solved big \"POP\" wave noise problem, it was happen in turn ON / OFF amplifier, current the POP noise is very lower. Just like a clock tick sound. Keep safe for your headphone
2, Solved the scratch noise, it was happen in you turn UP or DOWN the volume, current. That noise is gone
3, Improve the amplifier working time. Because we improve the PCB circuit, change some parts. And the work time is up to 4 hours now. (Before just about 2.5-3 hours)
Features: 3 hours cruising, the Actual situation with machine: clear voice, High resolving power, details performance skillfully, high frequency sounds mellow, neither too high or too boring.medium frequency sounds pure.Low frequency sounds good-nature, resistance to listen to but not turoffer. The whole voice sounds pure, Ryan and Sharpay.Symphony performances well, the sound of each instruments can be reconised clearly. Internal adopts miniature American tube 6111 or 6021. Suitable for LOW ESR earphones (performs well with 600Ω DT990 in test.)Lithium batteries: enough power supplySuper low voltage work: safe & reliable, do not worry that you might get an electric shockApplication:
1. Connect MP3: Headphone socket: 3.5mm socket Input socket: 3.5mm socket: Easy to connect to MP3 directly
2. Connect CD: when you connect to CD, you could use 3.5mm to RCA socket connection cable.
3. Use as Pre-amp: Cane be used as pre-amplifier: connect the power amplifier from the headphone input socket.
Parameters:
- Frequency response range: 0-100K-0.1dB
- Output power: 500mW
- SNR: 99dB
- Suggest load impedance: 16-600Ω
- Size: 100 * 69 * 23 mm1 (Length XWidth X Depth)
- Net Weight:190g
Materials in selection:
- Gold-plated input / output socket
- NE5532 amplifier
- nichicon electrolytic capacitor
- Precision rings resistance.
Package included:
- 1x headphone amlifier.
- 1x charger
- 1x audio cable
- 1x bag.
- 2x Bandage
Delivery details
- Note: We are not responsible for any customs duty or fee.
- Please send us a note about shipping detail via when you make payment (include telephone number, contact person, input voltage, color, etc.).
- Shipping cost includes postage, packaging, and handling fee, which is in agreement with \'s rules. If you have any disagreement, please read the \'s rules regarding shipping cost carefully. We don\'t add a surcharge on shipping thus the shipping charge is firm and non-negotiable.
- Shipping method: item will be shipped within 2 working days upon receipt of FULL payment. It is noted that PayPal pending payment (such as eCheck) may take up to 5 working days to clear. We use air mail (18-28 days to most countries), or expedited service such as EMS or DHL (5-10 days to most countries).
- No Combined Shipment: Combine shipping is not available since AIRMAIL POST charges the postage based on weight rather than number of boxes.
We are NOT responsible for any import tax,customs fees or customs delay.
Buyer cannot request cancellation of the saleor request for refund under this situation.
Please check with your local tax orimport authorities BEFORE offerding.
Payment
PAYPAL Only --Buyer must pay using PAYPAL ONLY within 7 days from the date of transaction made.
Full Payment --Transaction with insufficient payment will not be handled. So, please make you complete the full payment, including Final price + Postage.
No Discount --No discount is offered for all transactions.
Processing --We will arrange the dispatch within two working days after we receive the valid and completed payment.
Terms of sales
Terms of Sales
We offer 1-year manufacturerwarranty (some exclusions may apply).
- In In case of “dead on arrival”(DOA), please notify us immediately within 3 business days and return the casewithin 7 days after receiving the items. (The postmark date is applicable.).All of our items were inspected before shipping. We provide technical supportvia email. If the problem cannot be resolved and return is determined to be thebest solution, after receiving the items in original condition, you may have areplacement or refund as soon as we cancel the order on . If it is anyreason other than product defect, shipping cost is non-refundable.
- If the item was sent back forrepair during the first 30 days, return shipping cost is the buyer’sresponsibility. We pay the 2nd shipping cost & handling.
- A fter the 30 days, if you askfor replacement or repair, you need to pay for the 2nd shipping cost &handling.
- If you return the item forreasons other than product defect or shipping damage, you will pay a 20 %restocking fee.
In order to provide you the best service, please treat the transaction fairly. response is our life, before you leave a neutral or negative response, please DO contact us to get a better solution,We are always willing to workout a mutually agreeable solution with our customers.
The address on the parcel isNOT the return address. Please contact us for thereturn address before you return it, otherwise we won’t get it.
About us
Weare dedicated to offer the best audio-visual products at the lowest price toour customers. Bringing great products and customer service, and thus helpenriching our customers’ lives is our ultimate goal.
Contact us
Please don\'t hesitate to contact us with any queries or comments about our items or your problem.
Please note that we are open Monday to Friday between 9:00 Am to 18:00 PM Beijing Time ,which means we can keep on-line at : Working time
Beijing(CN) MONDAY-Friday 09:00 AM - 18:00 AM New York(US)
Sunday to Thursday 20:00 PM - 05:00 AM London(UK) MONDAY-Friday 01:00 AM - 10:00 AM Paris(FR) MONDAY-Friday 02:00 AM - 11:00 AMDuring holiday ,pls allow us to response you early next week ,kindly not leaving negtive/neutral response or make dispute/claim out of our working hours, thank you for your cooperation Promotion
On Jul-31-15 at 01:26:24 PDT, seller added the following information:
