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Lab 12

hpa

OTL Tube Headphone Amplifier / Preamplifier with USB DAC

This is where it all started for Lab12. Our love for music, for high-end audio and our exploration for many years, gave us a huge challenge when designing a headphone preamplifier that met our demand to deliver a faultless sonic signature.

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Dimensions (W × H × D)
320 × 110 × 290 mm
Weight
6 kg
Power
230VAC 50Hz (115VAC 60Hz)
Power consumption
60 VA max
Frequency response
5 Hz to 100K Hz (-3dB)
Input impedance
50K ohm
Price on requestCheck availability

Overview

This is where it all started for Lab12. Our love for music, for high-end audio and our exploration for many years, gave us a huge challenge when designing a headphone preamplifier that met our demand to deliver a faultless sonic signature. Dealing with the sensitive signal output and transforming it into a true high-end audio headphone amplifier is not a task that everyone would dare to explore, but for Lab12 it is one we could not resist.

High-end audio headphone listening offers one of the most coveted and intimate musical listening experiences available, yet not many headphone amplifiers on the market are able to deliver that experience adequately and to the satisfaction of true music lovers.

Therefore, we decided to follow a different and more challenging path by designing Lab12 Hpa as a full blooded OTL tube headphone amplifier with the utmost transparent, musical and emotionally engaging heart.

And we didn’t just stop there! Hpa is not only a fully enclosed state-of-the-art headphone system which includes a high-grade USB DAC, but it’s also a fully operational high-quality preamplifier with multiple inputs, including USB that can form the heart of any high-end play back system.

The Lab12 Hpa tube preamplifier alone encompass all of our knowledge and know how and offers a performance that challenges preamplifiers costing many times the price and brings you a remarkable emotional connection to your music.

As all Lab12 products, Hpa comes with two color choices of glass blasting anodizing finish.

Highlights

  • OTL tube headphone amplifier stage
  • Blue Velvet ALPS Potentiometer
  • Five separate regulated Power Supplies
  • SRSG® implementation
  • Analog retro nissei VU meter
  • 5mm Aluminum face panel

About Lab 12

Handcrafted electronic audio devices designed to approach the original music. Natural sound reproduction rich of emotions and vividness. Did you ever try a really good Hi End audio system?

All Lab 12 products

Specifications

Inputs
2x line stereo (RCA connectors), 1x USB
The sources you can connect.
Dimensions (W × H × D)
320 × 110 × 290 mm
Width, height and depth, without cables.
Weight
6 kg
Per unit, out of the box.
Model code
LAB-12-HPA
Quote it when you ask a specialist.

Specifications

Power
230VAC 50Hz (115VAC 60Hz)
Power consumption
60 VA max
Frequency response
5 Hz to 100K Hz (-3dB)
Input impedance
50K ohm
Recommended headphones impedance
64-600 ohm
Tube complement
3x 6n1p dual triode
Inputs
2x line stereo (RCA connectors), 1x USB
Preamp output
1x line stereo
Headphone output
1x 6.3mm jack
Available Colours
Matt Black, Frozen Silver
Dimension (WxHxD)
32x11x29 cm
Weight
6 Kg

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