this amp is auto bias! Feature: A60 uses 750W full material power supply Double choke inductor design, coupled with double 300B voltage regulator circuit, to ensure 845 working state 80W "no large loop feedback" audio output cattle, more than twice the margin than the rated output power Stable and reliable working condition Thick, warm and comfortable tone The frequency response extension is very good Not picky eaters, strong thrust Product model: A60 Operation mode: single-ended Output power:...

Boyuu MT-34 HIFI Tube Amp EL34 Push-Pull Tube Amplifier Lamp amp 110v-240v Basic technical parameters: Input Sensitivity: 550mV Output power:  2 times 35 watt (Ultra-linear connection mode) 2 x 15w (Triode connection mode, can be switched) SNR: 88dB Input impedance: 100KOmega Output Impedance: 4 ohm, 8 ohm Input voltage: 220v-240v 50/60Hz Power consumption: 230W Frequency response: 30Hz-45KHz Dimension: 378W x 287D x 178H mm Package volume: 500x450x300H net Weight: 18 KG Input Jack: RCA x...

Version A: PCB standard version, power transformers 96 * 50, 66 * 36 output transformer. When you want to take the time to change the machine, the advantage of low noise.  Version B: welding by hand upgrade version. Manual welding, preferred audiophiles, the output transformer switch to the higher end of the 76 * 40 output transformer. When low-frequency dynamic playback is good, control and strong, it is more powerful.  Version C: PCB upgrade version. PCB, output transformer is 76 *...

Features:  6J8P-J pre-voltage amplification.  Dawn export KT88-98 do power output.  Output power, maximum output power of 18W.  Output amplifier uses no big loop feedback technology to ensure high sound reduction, powerful, strong and.  The new power amplifier 0.35 cores do to ensure stable power supply.  With power tube current monitoring circuit, tube replacement upgrade ease.  Medical grade 5Z3PA-T rectification.  Imported 0.35 core output amplifier...

Specifications: Output Power: 12W * 2 (ultra-linear connection) Frequency Response: 20Hz - 28KHz Output impedance: 4,8Ω Total Harmonic Distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (two input signals) Dimensions (W × D × H): 310 × 268 × 165mm SNR: 88dB voltage amplification tube: 6N9PJ × 2 power output tube: Shuguang EL34B × 2 rectifier tube: 5Z3PJ × 1 Power Supply Voltage: AC 100V - 240V / 50Hz-60Hz Features: 1.Power transformer 96-60 2.Epoxy potting...

Features:  High-quality wide-frequency sound Hi-quality EI output transformer Designed for the machine designed for EI power transformers Tube 12AX7 for Preamplifier to do the voltage amplification, 6P14 / EL84 vacuum tube to do a single-ended power amplifier Easy to install vacuum tube protective cover plexiglass material. Specifications Input sensitivity: 550mV Output power: 2 × 3.6 W Signal to noise ratio: 84dB Input impedance: 100KΩ Output impedance: 4,8 ohm Input voltage:...

the Upgraded version is the Stabilized voltage version （ it is the Electronic tube voltage stabilization） 1.4 Input signal switching 2. Dedicated signal processing module, the signal is short, high fidelity, less interference 3. United States imported signal line machine connection 4. Non-destructive upgrade US 6X4 Size: 420MM wide, deep 380MM, high 135MM Frequency response: 19Hz ~ 43kHz ± 0.5dB. Output voltage: 16.5V (Max). Harmonic distortion: ≤ 0.2% (1kHz 5V) Input...

Specifications: Output Power: 8.2W * 2.  Frequency Response: 30Hz - 42KHz.  Output Impedance: 4,8 Ω.  Total Harmonic Distortion: ≤ 1% (1kHz).  Input Sensitivity: 750MV.  Input impedance: 100KΩ (three sets of input signals) Weight: 24Kg Input voltage: 110v/50-60hz or 220V-230V/50-60hz Tube: TJ Fullmusic 300B*2 Power Tube: 6N8P*2  RCA Input: 2 Output: 6

Basic technology introduction Sensitivity: 91 db Power: 35Watt Impedance: 8ohm Frequency response: 35Hz-18KHz Box specifications: width 260 depth 310 height 450 Packing volume: 650 wide x 440 deep x 560 high Packing weight: 24KG ​            

Specifications:  Voltage Tube: 12AT7*1 Drive Tube: 6P6P*2 Power Output Tube: Psvane 300B*2 Rectifier tube: 5Z3PAT*1 Power transformer: new import 0.35, thick as 60MM (105-60) Output cow iron core: new imported iron core 0.35 thick high silicon wafer (86-50) Case: imported mirror stainless steel case Aluminum alloy panel: high-grade aluminum CNC processing, anodic surface treatment Output block: high-grade export base, with a transparent cover Output power: X 8.2W 2 (no feedback technology)...