Tube Head 前級擴大機

5670(2C51) hybird電路,自動偏壓調整電路修改自LC-1(2001年推出的產品),管子不用配對不用調整,且全機無RC交聯!

電源分體兩層式上下堆疊設計,機身寬度及深度尺寸與Cute系列機種一般大小,下層為電源供應,上層為真空管前級本體。

具有兩組RCA接頭輸入,面板有開關可切換輸入訊源;一組RCA接頭輸出。
輸入音量調整具有兩種(Shunt type、Series type)可切換,依照使用者聆聽習慣調整不同音色。

Specification

輸入格式:類比線性輸入(兩組RCA接頭LINE IN,可切換)
輸出格式:類比線性輸出(一組RCA接頭LINE OUT)
放大倍率:10dB、20dB,兩段可調
額定電壓:AC110V/220V(下層電源變壓器切換調整)
消耗功率:10 Watts
尺寸: 80 ×107 ×105mm(寬 ×深 ×高)
重量: 約 2 KG(單機淨重) 

"Tube Head" Preamp. USD$ 255

The Tube Head preamp is using a single 5670/2C51 tube in a modified LC-1 auto bias adjusting hybrid circuitry. There is no need to adjust the bias or try to match the tubes.

The Tube Head is a dual-chassis “double-decker” design with a separate power supply linked by an external cable. There are two set of inputs and one set of output.

The volume control can be switched to either Shunt type or Series type providing different sound signature. 

Specification

  • 6Hz~100KHz ; -1dB at 600 ohms loading, low noise

  • Tube Buffer 5670 ( 2C51). DC amp. coupling capacitor less

  • OP amplifier exchangeable (default setting OPA2604), you can tune by yourself!

  • 110V/220V switchable

  • World - class mini size:11cm(L) X 8cm(W) X 10cm(H) ; weight:960g

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