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HC1 High Current Headphone Amp

HC1 High Current Headphone Amp

5· 33 ratings

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$15.00at DIY Recording EquipmentObserved at 3:44 AM

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Where is the HC1 High Current Headphone Amp cheapest?
At DIY Recording Equipment, for $15.00, as of our latest check.
What do buyers say about the HC1 High Current Headphone Amp?
Rated 5 out of 5 from 33 ratings. Buyers like: Build is well laid out and straightforward, doable in about an hour for a first-time PCB builder; Sound is good and transparent; Brought Sennheiser HD 650 back to life. Common complaints: Took time to source the XLR, 9V input and pedal housing; One reviewer notes the single-ended input needs a differential circuit to connect an XLR properly.

HC1 High Current Headphone Amp prices at every store

  • DIY Recording EquipmentNew

    Availability unknownReturn policy

    $15.00Observed at 3:44 AM
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From DIY Recording Equipment

  • Expandable, high-powered headphone amp designed for critical studio monitoring
  • Parallel amp stages for greater power and lower distortion
  • Sounds clean and clear even at high gain and when driving low-impedance headphones
  • Screw terminals for power and audio input, so jacks attach without soldering
  • Daisy chain multiple HC1s to make a multi-channel headphone amp
  • Runs about 50 hours on a single 9V battery
In the box
Printed Circuit Board (PCB), 2x NE5532 opamps, All resistors and capacitors required, TRS 1/4" headphone jack, Volume potentiometer and knob

About the HC1 High Current Headphone Amp

The HC1 is an expandable, high-powered headphone amp designed specifically for critical studio monitoring.

The HC1's circuit employs parallel amp stages for greater power and lower distortion. This parallel-opamp concept has been known in theory for decades and was put to practical use in Douglas Self's "5532 OpAmplifier" power amplifier. As a result, the HC1 sounds clean and clear even at high gain and when driving low-impedance headphones.

Because everyone's monitoring needs are different, the HC1 is designed to be customized. The power and audio input connectors are screw terminals, so you can attach whichever jacks you need without soldering. You can also daisy chain multiple HC1s to make a multi-channel headphone amp.

The HC1 is a great project for intermediate builders who enjoy the challenge of choosing their own chassis and inputs.

Features

• High-current, dual-amp design

• Screw terminals for power and audio input

• Stereo, unbalanced audio input

• Accepts 9v battery or DC wall-wart power input

• Mounting holes for case mounting

• Runs about 50 hours on a single 9V battery

• Does not include power or audio input jacks

Partial Kit Includes

• Printed Circuit Board (PCB)

• 2x NE5532 opamps

• All resistors and capacitors required

• TRS 1/4" headphone jack

• Volume potentiometer and knob

• Screw terminals for power and audio input

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Source Your Own

• Power supply or batteries

• Chassis

• Input jacks

Specs

What buyers say

Buyers like
  • Build is well laid out and straightforward, doable in about an hour for a first-time PCB builder
  • Sound is good and transparent
  • Brought Sennheiser HD 650 back to life
  • PCB fits surprisingly well into custom enclosures
  • Incredible detail in playback, revealing details missing from a previous 4-output headphone amp
  • Sounds amazing and the build was easy
Buyers complain about
  • Took time to source the XLR, 9V input and pedal housing
  • One reviewer notes the single-ended input needs a differential circuit to connect an XLR properly

Specifications

Battery life
about 50 hours on a single 9V batterySource
Power input
9v battery or DC wall-wartSource
Audio input
Stereo, unbalanced audio inputSource
Amplifier design
High-current, dual-amp designSource
Input connectors
Screw terminals for power and audio inputSource
Headphone jack
TRS 1/4" headphone jackSource
Included opamps
2x NE5532 opampsSource
Daisy chain
daisy chain multiple HC1sSource
Daisy chain limit
up to four HC1 amp boardsSource
Mounting
Mounting holes for case mountingSource
Mackie HM-4