Little Dot MK4 Tube Headphone Amp

The Little Dot MK 4 has an internal jumper that allows a wider range of driver tube-rolling. Tubes that can be rolled include the EF92, CV131, WE403A/B, GE5654, M8100, CV4010, EF95, 6JI, along with any other equivalents, derivatives, or direct replacements of these vacuum tubes. It also has user-tweaking options such as two gain switches to delivery maximum compatibility with all your headphones, regardless of impedance or sensitivity. This MK 4 comes with a SEPP (Single-Ended Push Pull) in class-A circuit design and can easily drive headphones whether they are 32 ohms or 600 ohms.

Specs:

• SEPP (Singled-Ended Push Pull) OTL in Class-A
• Frequency response: 10 hz~100 Khz (-1dB)
• THD+N: 0.1% (100 mW @ 300 ohm)
• Power Output:
• 500 mW @ 300/600 ohm
• 300 mW @ 120 ohm
• 100 mW @ 32 ohm
• Power Consumption: 30W (228V x 0.133A)
• Variable Gain: 3,4,5, or 10x
• Recommended Load Impedance: 32 ohm~600 ohm
• Input Impedance: 50K ohms
• Pre-Amplifier Output Impedance: 600 ohms
• Pre-Amplifier Gain: 3-10x (also controlled via gain switches)
• Pre-Amplifier Voltage: 10V RMS
• High quality aluminum chassis
• Weight: 3.5 Kg or 7.7 lbs
• 1 Year Little Dot Warranty
• Available in either 120VAC or 220VAC

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