Shuguang Audio SG-845-7B Stereo Tube Amplifier With Bluetooth Rated 21W+21W tps

$2100.0 Buy It Now or Best Offer
free,30-Day Returns

Seller Store topskyrc
(9490) 97.5%,

Location: Shenzhen
Ships to: US,
Item: 184769689317

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Return policy details:
Tubes:845 series*2, 300B series*2, 6SN7 series*2
Number of Channels:2
Amplifier Class:A
SG-845-7B:SG-845-7B
Country/Region of Manufacture:China
Type:Tube Amplifier
Features:Digital
Color:Silver
MPN:Does not apply
Shuguang:Shuguang
Rated power:21W+21W(max. 24W)
Frequency response range:20Hz-25kHz
Noise voltage:<1mV
Signal to noise ratio:88dB
Case:All aluminum case

Description Shuguang Audio SG-845-7B Stereo Tube Amplifier Tube Amp With Bluetooth Rated 21W+21W High-Fidelity Description: This is a high-level tube amp, because 300B tube has high frequency and fine mid-frequency transparency, and has the reputation of tube queen in the fever circle. 845 tube is one of the most musical and powerful electronic tubes. Its high, medium and low frequency bands are more pure, transparent and airy. The combination of 300B and 845 tubes forms a single-ended pure Class A tube. It can give full play to the performance of the 845. Sound quality: This tube amplifier has been sold for many years and has been upgraded and revised seven times. The appearance is gorgeous and noble, the circuit is further optimized, and the core technology to improve the sound quality is mastered, especially transformer driving method, which subverts the general resistance-capacitance driving tube amp in the market. Both the low frequency and the sound field are as good as possible, the sound is warm and full, and the tone is gorgeous, noble and brilliant. Power: The power of single-ended amplifiers on the market is insufficient, and the music is soft and weak. The general way to increase the power is usually a push-pull circuit, but the crossover distortion of the push-pull machine directly affects the sound quality. In order to solve this problem, our machine uses a single-ended Class A power amplifier circuit to ensure sound quality, and improves power in the following three aspects: 1. Adopt three-stage tube continuous push and transformer push. 2. Increase the number of power transformers and separate independent transformers for high-voltage and low-voltage power supply to ensure high-voltage and safety. 3. The selected high-power 845 tube ensures high-power output, so it can push almost all home speakers. Driving floor speakers will also make the music very atmospheric, rich and full of surging, with strong and solid bass, mellow mid-range, and open high-frequency. Materials: 1. In terms of parameter quality, carefully select electronic tubes to ensure the perfect combination of tubes and the machine. And the tubes used are all newly produced new tubes, which is convenient for upgrading the tubes in the future. 2. High-quality transformers, the output transformer uses the new Japan Z11 film, and the new Japan copper wire. A total of eight transformers are used. 3. The number of other components is large, the materials used are sufficient, and the whole machine has used up 300 electronic components. Features: – Use seventh-generation technology to improve the ideal sound quality – Focus on sound quality research and pursue excellence – Using transformer drive technology, wide frequency band, good high and low frequency extensibility, and great dynamics. The sound field is wider, deeper, bigger and full of liveness – Self-made single-ended Class A circuit, with less distortion, clearer sound, calmer and less rigid, rich details, and strong sense of presence – Soft-start technology, non-contact NTC soft-start boot, clean bottom noise, quiet background, and protect the life of tubes – Insist on power supply is the soul of sound quality. Use high and low voltage independent transformers to supply power to ensure high voltage, high power, transparent and full sound, high thrust and strong sense of surging – Eight transformers are more powerful. It adopts low-voltage transformer, high-voltage transformer, left-channel output transformer, right-channel output transformer, right-channel drive transformer, left-channel drive transformer, high-voltage choke transformer, and soft-start transformer – Adopt newly produced high-end electron tubes – There are many parts, the whole machine with about 300 electronic components – Silver-plated wire inside the machine, the sound is bright, sweet and delicate – Military grade resistance, extremely low temperature drift coefficient – Current meter made in Taiwan. It is not a simple VU meter that plays a beautiful role, but monitors the working status of tubes in a timely manner, to ensure that the tube is working in an ideal state, and to ensure high-fidelity sound quality – Imported gold-plated terminals make the sound better – Focus on details, create professional tube amp. Thick mesh cover, care for safety. Integrated welding of scaffolding and circuit board, taking into account sound quality and power – Specially customized shock absorber feet to reduce the impact on sound quality – Brushed aluminum alloy panel, noble appearance – Convenient wireless Bluetooth transmission method to access audio source. Directly push music to the tube amp through the Bluetooth of lossless players, mobile phones, tablets and other devices. Not only has it increased the convenience of wireless input audio sources, it also has a fashionable gameplay experience combining traditional HIFI and trendy digital. For Bluetooth lossless player supporting for APTX, for iPhone and for iPad Technical Parameters: – Product Type: Single-ended pure class A tube power amplifier – Rated power: 21W+21W(max. 24W) – Whole machine power consumption: 340W – Frequency response range: 20Hz-25kHz – Noise voltage: <1mV - Signal to noise ratio: 88dB - Input impedance: 100KΩ - Input sensitivity: <1V - Input signal: two channels (with Bluetooth) - Output impedance: 4Ω, 8Ω - Power supply voltage: AC 110~ 220V ±10% - Dimensions: 485x280x295xmm (the largest) - Net weight of the whole machine: 38kg - Resistor: RJ military-grade resistor - Main capacitors: for American EC, Canadian EACO, etc. - Volume potentiometer: Japanese type 27 fully sealed potentiometer - Screen current monitor: Customized in Taiwan - Welding method: manual scaffolding and mixed welding method of PCB board - Power supply transformer (four): parameter technical confidentiality, epoxy resin sealing, noise reduction, shockproof, and moisture-proof treatment - Output transformer (two): 96X60 specification EI type Japan Z11 iron core, epoxy resin anti-vibration and moisture-proof treatment - Promote transformers (two): parameter technical confidentiality - Tubes: 845 series*2, 300B series*2, 6SN7 series*2 - Case: All aluminum case Package Included: - 1 x Set of Tube Amplifier Note: - Items in silver shell are delivered by default. If you want an amp in black shell, please contact us to pay extra money when purchasing. Thank you! - It is assembled. Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms - For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Return Terms 1. If you receive defective item, please kindly notify us within 14 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 return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons. 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. 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. On Apr-16-21 at 00:13:26 PDT, seller added the following information:

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