Condition:New
Type:Logic ICs
Performance parameters:
● Rated output power: 9W × 2
● Frequency response: 20Hz--25KHz
● Total harmonic distortion: <1% (1kHz)
● Input sensitivity: 500mV--2000mV
● Input impedance: 100KΩ
● Output impedance: 4Ω, 8Ω
● Signal to noise ratio: 88dB
● Volume (width × depth × height): 370 × 250 × 200mm
● Packing weight: 20Kg
● Front stage tube: 6N8P (6H8C) × 2 Rear stage power tube: Noble Voice 300B-se × 2, rectifier tube: Dawn 5Z3PAT (5U4G)
The 300B tube is freely upgraded to the Sound of Black Screen 300B, model 300B-SE, which is exported to the United Kingdom. The material workmanship is basically the same as that of Xidian.
The cost-effective 300B has been mass-produced for five or six years, and its sales volume has also exceeded 6,000. Sweet, delicate, soft, listening, and full of magnificent surging momentum, it interprets all the connotations of 300B.
Refer to the new design of the circuit at home and abroad, using the classic famous tube sound 300B for power amplification, 6N8P pre-amplification, Dawn rectifier, the picture is the Dawn rectifier, you can also upgrade to better and more stable 274B rectification Tube, thick aluminum alloy panel, classic dual meter head, solid aluminum knob, 3-way audio input switching, fever-grade pure copper gold-plated tube socket, pure copper gold-plated crystal binding post, imported fever-grade capacitors, etc The beautiful sound of the phone provides a powerful guarantee.
The rectifier tube in the picture above is the dawn rectifier tube, upgraded to Psvane274B rectifier tube. 
Q1: What Is Your Product Warranty?
A: We Guarantee Our Product Is Fit For Its Normal User Purposes And Is Free From Defects In Materials Or Workmanship.
Q2: What Is Your Company Policy On Defective Goods?
A: Our Company Keep Items Quality For A Long Time. If There Are Any Defective Goods Due To
Production Defects Or Transportation Problem, Please Contact Us. Our Customer Service Team Will Provide Immediate Response To
Complaints. We Will Try Our Best To Give You A Good Resolve Way.
Q3: What Is Your MOQ (minimum Order Quantity)?
A: Generally Our Moq Is No Limited. Please Have More Discussion With Us If Your Combination Of Models Is Complicated.
Q4:how About Getting Samples From You?
A: We Will Send You The Samples After We Receive The Payment For Samples. The Buyer Shall Afford The Shipping Cost. Please Have A
Confirm With Us Which Shipping Way Do You Want.
Q5:about The Shipment: What Type Of Shipment Will You Use?
A: We Usually Ship The Products By Express(delivery It To Your Door) Or By Air Freight To Your Nearest Airport, Shipping Days:3-7
Working Days Depend On Destination;if The Order Quantity Is Large, We May Ship By Sea Container And The Best Ship Way Is By Sea,
Shipping Days: Over 20 Working Days Depend On Destination Port.
Q6:what Packing Do You Use?
A: Neutral Package With Airbag Or Customized Package.
Q7:how Much Are The Shipping Cost?
A:shipping Cost Is Charged By The Package's Weight And Related To The Shipping Methods You Choose And Your Destination.
Q8:how To Order?
Step1.Click (Add to Cart) Buy Directly On The Product Page, Or Add To Shopping Cart And Settle Together, Pay With Paypal,
Need your information, such as full name,country, city, detail address, post code, tax number ...
Step2. We Will Delivery by EMS POST, FedEx or DHL Within
3-5 Working Days After Payment Confirmed.
Setp3. Confirm Us Receipt of Products.
