Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube
  • Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube
  • Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube
  • Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube
  • Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube
  • Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube

  • SKU:27997
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  • Price:$178.06
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    Price /Unit $174.50 $170.94 $165.60 $158.47 Contact US

Little Dot I+ Hybrid Headphone Amplifier & TUBE WE408A Headphone Amplifier Hybrid Transistor-vacuum Tube

Description:
- The Little Dot I+ is a hybrid transistor-vacuum tube headphone amplifier, which combines the smooth, musical sound of tubes with the high output current of transistors. The vacuum tube stage is run in Class-A, the MC33078 operational amplifier (socketed) provides voltage amplification, and BD139/BD140 transistors serve as output buffers. The Little Dot I+ is specifically designed and optimized for driving low impedance headphones that require high current to perform to their full potential. Depending on how the switches are configured, three different families of vacuum tubes can be used (EF95, EF92, and 408A). With two gain settings and DIP switches for vacuum tube rolling, the Little Dot I+ offers versatility and incredible sound quality in a tiny footprint!

Technical Specifications:
- Input: Gold-Plated Unbalanced Phono (RCA) Jacks
- Output: 1/4" Gold-Plated Stereo Headphone out
- Tube Options:
- Standard tubes with WE408A
Frequency Response: 10HZ - 50KHz (-3 dB)
THD+N:
0.2%: 1Vrms @ 1000Hz
0.6%: 3Vrms @ 1000Hz
1.0%: 5Vrms @ 1000Hz
Signal-to-Noise: 92dB
Suitable Headphone Impedance: 8 - 600 ohms
Input Impedance: 50K ohms
Power Output:
150mW @ 300 ohms
300mW @ 120 ohms
800mW @ 32 ohms
User variable gain settings: 6.5x or 3.25x
Power Consumption: 15VA
Measurements:
Metric: 180mm (L) by 97mm (W) by 100mm (H)
English: 7.08 inches (L) by 3.81 inches (W) by 3.93 inches (H)
Weight: 1.5 kg or 3.3 lbs.
Available in Black
Available in either 120VAC or 220VAC (Pls leave message when place order)
 

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