Description

Product Details: Based on the well-known galvano-johnson CL power amplifier circuit. The circuit adopts an independent dual independent design, physically separates 100% of the left and right channels, and independent layered grounding. The remote control volume control board adopts 128-level relay pure resistance shunt control, the input and output impedance is constant, each step is 0.5db, and the volume resistance adopts American DALE precision resistance. 4 groups of input options, 1 group of audio output. With audio output mute function. With power-off memory function. With a key return function. Use 4 Shuguang 12AX7B tubes. Use high-end oxygen-free copper R core transformer. The front panel has a display. Specifications: Working voltage: AC115V or AC230V (optional) Gain: about 10 times. Input impedance: 50K Signal to noise ratio: 90dB Frequency response: 10Hz-30KHz Distortion degree: ≤1%. Dimensions (W*H*D): 320*92*308MM Net weight: about 4.63KG Package list: 1 × Finished pre-amplifier Not included AC power cord ！！ About Us : We are dedicated to offer the best audio-visual products at the lowest price to our customers. Bringing great products and customer service, and thus help enriching our customers’ lives is our ultimate goal. About transportation: WORLDWIDE SHIPPING. (Except some countries and APO/FPO) Orders processed timely after the payment verification. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. We need a processing time for preparing the order to deploy products and process the china local shipping. After the International warehouse delivery, we shall provide u the tracking number in 5~10 days for the international shipping. Import duties:Taxes and charges are not included in the item price or shipping charges.These charges are the buyer's responsibility. You should check the product's appearance safety before to sign receipt. else we can't seek compensation with the couriers. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! About feedback: Since online shopping uncertainty, so thank u very much for choosing&trusting us.our service is ready to help u any time,your feedback is extremely important to us. If you are satisfied, please leave 5 stars positive feedbacks, It’s very honored for us to achieve generous authentic assessments ,thx! Any product or shipping issue, please contact us before opening the dispute or leaving any nertral/negative feedback, we'll carefull to do our endeavor to solve problems to the most make you satisfied. Once you Feel dissatisfied with the projects received，please first and us use E - mail contact and communication，Do not very direct and impulsive give a Neutral or Negativ！Because the Neutral and Negativ can not solve any problems! Thanks! 1 × Remote control (no battery)