Little bear tube

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Little bear tube

Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges. To report an issue with this product or seller, click here. Probably it is the inteference from your cellphone such like WIFI or 4G signal, which intefers the tube and cause noise. That's normal. Because there are microphone effect with all tubes. To avoid it, please keep your cellphone far away from B4-X. A: Maybe the tube has a poor contact after long shipping process, open the chasis and adjust the screw near the tube while listening if you cannot find it, contact us and we will give you a photo with marks to help you. Maybe the tube is broken, you can buy a tube in local shops. And we will refund you the cost. Q: It broke just now four loud pops and it's doesn't work now. A: Mainly because the battery is run out of power. Please charge it. If no help, please contact us.

Btw, channel imbalance is very normal for tube amp. Customers like the power of the hearing amplifier.

B4-X is a dual-mono balanced version. Its left and right channel are amplified by independent components, and power supply, tubes, and op amp are all independent and symmetric. So the degree of sound separation is higher than B4. The circuit adopts dual op amp parallel output, with higher output power. B4-X has 3.

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Little bear tube

Based upon a series of children's books, a grizzly cub has many misadventures with his friends. Little Bear : Hmmm Sign In Sign In. New Customer? Create account. Episode guide. Play trailer Animation Adventure Comedy.

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One of big drawback is the battery time. G Tangzu's inexpensive single DD. Last edited: May 27, I quickly moved on to testing with full sized headphones. So armed with some small Allen Keys, some tweezers and a shaky hand, I got going. I tried the band stack thing, don't recommend it. Maybe the tube is broken, you can buy a tube in local shops. Sold by. Technical Details. Balanced and unbalanced outputs. Overview Reviews 1 Gallery. If your parcel were to be in transit for at least 3 months, it may have been lost in transit.

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Even with fancy op-amps, B4-X best suited for high impedance drivers as well as for planar magnetic drivers. Report Translate review to English. In terms of storage, I use a tupperware container to keep dust from getting inside since the window is gone. Quantity Quantity. The Little Bear looked simple enough so I found the idea interesting. I have multiple of headphones and some of them doesn't work well with this. B4-X is a dual-mono balanced version. Again not audiophile but 'fun'. I expected compromises, and sure enough, the Little Bear B4-X delivered. The circuit adopts dual op amp parallel output, with higher output power. Please contact our staff for more information. Enhancements you chose aren't available for this seller. You are using an out of date browser. Monolith M — these open-backed headphones are driven by planar magnetics. Keep in mind that the B4-X is an amplifier only.