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Violectric HPA V101 Headphone Amplifier

BH #VIV101 • MFR #V101
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Violectric HPA V101 Headphone Amplifier
Key Features
  • High-Output Stereo Headphone Amp
  • Drives High- & Low-Impedance Headphones
  • 2 Unbalanced 1/4" Headphone Jacks
  • Balanced XLR and Unbalanced RCA Inputs
Designed for the beginner audiophile, the Violectric HPA V101 is the most cost-effective headphone amplifier in the company’s hi-fi lineup. Built on the renowned Lake People / Violectric amplifier technology, the HPA V101 employs a unique transistorized circuit that delivers a neutral yet subtly warm sound signature. With a high damping factor, it excels at driving demanding headphones, while its ultralow-noise performance, 2050mW output (into 50 ohms), and 50V internal operating voltage ensure remarkable detail and optimal performance across both high- and low-impedance models.
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Violectric HPA V101 Overview

Designed for the beginner audiophile, the Violectric HPA V101 is the most cost-effective headphone amplifier in the company’s hi-fi lineup. Built on the renowned Lake People / Violectric amplifier technology, the HPA V101 employs a unique transistorized circuit that delivers a neutral yet subtly warm sound signature. With a high damping factor, it excels at driving demanding headphones, while its ultralow-noise performance, 2050mW output (into 50 ohms), and 50V internal operating voltage ensure remarkable detail and optimal performance across both high- and low-impedance models.

Encased in a stylish, compact desktop chassis, the HPA V101 features dual unbalanced 1/4" headphone jacks on the front panel, alongside a precision-engineered 25mm solid-aluminum volume dial with an RK 27 attenuator for low crosstalk. The rear panel hosts balanced XLR and unbalanced RCA inputs, selectable via a convenient input switch. Inside, adjustable dip switches allow you to fine-tune pre-gain levels from -18 to +18 dB, ensuring a perfect match for any pair of headphones.

At a Glance
  • Natural and warm sounding headphone amp well suited to developing audiophile
  • 50V internal operating voltage, ideal for high-impedance headphones
  • High output power for headphones with low impedances and magnetostatics
  • 2 stereo inputs, balanced via XLR and unbalanced via RCA
  • Inputs switchable on the back panel
  • +/-18 dB pre-gain for a perfect match of the HPA V101 between source and headphones
  • 7-stage pre-gain circuity
  • Volume control with RK 27 potentiometer
  • Big 25mm aluminum knob
  • 2050mW Pmax into 50 ohms
  • 18.9V RMS into 600 ohms
  • Delayed coupling of the headphones to the amp after power on
  • Two 1/4" unbalanced headphone jacks
  • Built-in power supply with toroidal transformer
  • Internal dip switches

Violectric HPA V101 Specs

Key Specs
Number of Headphone Channels
Single Channel
Recommended Headphone Impedance
16 to 600 Ohms
Headphone Output Power
Up to 2050 mW
Audio I/O
1/4" (Headphone)
XLR / RCA (I/O)
Digital Audio I/O
No
USB
No
Wireless
No
Power Requirements
AC Input
Form Factor
Tabletop
Number of Headphone Channels
Single Channel
Recommended Headphone Impedance
16 to 600 Ohms
Headphone Output Power
2050 mW into 50 Ohms
1750 mW into 100 Ohms
1400 mW into 32 Ohms
1050 mW into 300 Ohms
770 mW into 16 Ohms
600 mW into 600 Ohms
Digital Chipset
Not Specified by Manufacturer
EQ
No
Display
No
Connectivity
Analog Audio I/O
2x 1/4" TRS Unbalanced Headphone Output
2x XLR 3-Pin Balanced Line Input (1 Stereo Pair)
1x Stereo 2RCA Unbalanced Line Input
Digital Audio I/O
No
USB
No
Wireless
No
Performance
Frequency Response
5 Hz to 250 kHz
Gain/Trim Range
-18 dB to +18 dB (in 6 dB Steps, Pre-Gain)
Maximum Input Level
+21 dBu
Dynamic Range
129 dB (A-Weighted)
Impedance
Inputs:
10 Kilohms

Outputs:
0 to 125 Ohms
THD+N
< -100 dB / < 0.001%
< -102 dB / < 0.0008%
Noise
< -101 dBu (A-Weighted)
Crosstalk
-110 dB (at 1 kHz)
-95 dB (at 15 kHz)
Power
Power Requirements
AC Input
AC Input Power
115 to 230 VAC, 50 / 60 Hz
Physical
Dimensions
7.8 x 6.7 x 2.2" / 197 x 170 x 57 mm

Violectric HPA V101 Reviews

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