[jamato8]

https://www.lineartubeaudio.com/products/velo-headphone-amplifier-preamplifier

• Class A Push-pull Circuit: Precision for headphones and as a preamp
• ZOTL Output Stage: Patented design brings detail and clarity without excessive warmth and no intermodulation distortion
• Dual Preamp Outputs: Parallel low impedance outputs can easily drive a power amplifier and subwoofer
• Relay Stepped Attenuator: Precise, closely matched volume control
• Remote Control: Machined aluminum LTA remote
• Optional LPS+: LTA’s world-class linear power supply enhances dynamics and overall sonic quality
• Enhanced ZOTL Circuit: Enhanced speed, reduced noise, and shortened signal paths for pure audio clarity
• Easy Tube Swapping: Fully visible tubes and simple toggle switch for using either 6SN7 or 12SN7 output tubes
• Efficient Design: Efficient assembly, compact size, and high-quality components for top-tier performance
• Low Maintenance: Long tube life and no fuses to replace
• User friendly: Independent headphone and preamp volume memory
• Made in the USA: Designed and built in our Takoma Park, MD workshop
  
  
  
  
  
  

Specifications​

• Amplifier Class: Class A Push-pull
• Inputs: 3 x RCA single-ended inputs
• Preamp Output:
  • 2 x RCA single-ended outputs
  • Output impedance: 50ohm
• Headphone Output:
  • 1 x 6.3mm (1/4”) single-ended output
  • Output Impedance: 1.1ohm
• Gain:
  • 13.5dB into 100ohm
  • 12.4dB into 8ohm
• Input Impedance: 50kohm
• THD: 0.19% at 1kHz, 1Vrms
• Hum: -90dB at 1Vrms
• Frequency Response:
  • -3dB: 2Hz - 100kHz
  • 0dB: 20hZ - 20kHz
• Power Consumption: 24W
• Tube Complement: 2 x 12AT7, 2 x 6SN7
• Dimensions:
  • Width: 10in
  • Height: 2.875in (stock output tubes add 2.5in)
  • Depth: 10in (11.5in including volume knob and rear connectors)
• Weight: 6.5lbs