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Go Back   Head-Fi: Covering Headphones, Earphones and Portable Audio > Blogs > Currawong

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FAQs & Summaries
Old

Spectrum showing the terms we use in audio.

Posted 11-16-2009 at 01:31 PM by Currawong
Tags spectrum

dbel84 posted this interesting visual of the terms we use in audio. Very handy.

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Headphoneus Supremus
Views 55 Comments 0 Currawong is offline
Old

Who created the first headphone amp?

Posted 11-02-2009 at 04:07 AM by Currawong

An interesting thread from 2007 was bumped on this very subject.

Short answer seems to be: Stax in 1960 with the SRA-4S, as electrostats require a special amp:



but for dynamic phones, excluding pro gear with headphone outs, probably the Sure Solo-phone.



After that, Grado designed the HP-1 for the HP-1000s just before HeadRoom...
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Headphoneus Supremus
Views 112 Comments 1 Currawong is offline
Old

DAC vs. SoundCard... what's the difference/what's better?

Posted 10-08-2009 at 10:30 AM by Currawong

I thought the discussion in this thread was worthy of posting, and I know I'll want to recall what I wrote later, so I've included here my and other peoples' answers. My answers aren't quoted.

[A]nything that converts a digital signal to analogue is a DAC. People often refer to a sound card that plugs in via USB instead of inside your computer as an "external sound card". These have connections for mice and instruments and are used for amateur music making. Many companies...
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Headphoneus Supremus
Views 342 Comments 0 Currawong is offline
Old

Why do I need an amp (for full-sized headphones)?

Posted 09-20-2009 at 01:40 AM by Currawong
Tags amps

Uncle Erik wrote a fantastic explanation about this, too good not to post. To explain some of the reply: In the thread that was posted, BlaineShelby had plugged his Denons into an amp his friend was building, which was probably a cmoy, whereupon he heard crackling, so since that was not an improvement, he wanted to understand better why people suggest he gets an amp.

Quote:
Originally Posted by Uncle Erik View Post
J.S. Bach, Toccata and Fugue in D Minor. You have heard this before, by the way. It's a famous piece used in lots of
...
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Headphoneus Supremus
Views 1026 Comments 0 Currawong is offline
Old

New to Head-fi, got an iPod and confused whether you need a portable amp and DAC?

Posted 05-05-2009 at 05:30 AM by Currawong
Updated 07-11-2009 at 01:33 PM by Currawong

elnero wrote quite a good summary which I think is very helpful:

Quote:
Originally Posted by elnero View Post
Welcome to Head-Fi, sorry about your wallet.

I'm not sure how much of an understanding you have so I'll try to go right to the beginning in a simplistic form. mp3's, m4a's, etc. are digital files, they require that the digital signal be converted to analog via a DAC (Digital to Analog Converter) and then that signal is amplified for output to headphones or speakers. Many digital audio players do not allow
...
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Headphoneus Supremus
Views 1034 Comments 1 Currawong is offline
Old

Explaining Heaphone Impedance and Sensitivity and what it means.

Posted 04-27-2009 at 05:46 AM by Currawong

Found a link to this in another thread. If you're confused about the relationship of impedance and other measurements to what they mean, this post by Cool_Torpedo answers it pretty well:

Quote:
Originally Posted by Cool_Torpedo View Post
OK, here we go, since I can't find the thread nor the reply, I'll try to explain a bit -again- how the impedance/sensitivity thing goes.

Headphones' drivers are transducers that convert AC electricity into sound. Dynamic drivers, the most common ones, use a coil -wounded wire around a
...
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Headphoneus Supremus
Views 600 Comments 2 Currawong is offline
Old
Rating: 8 votes, 4.25 average.

Introduction to the Compass DAC and Headphone amplifier

Posted 03-05-2009 at 12:19 AM by Currawong
Updated 09-03-2009 at 02:46 AM by Currawong

Introduction to the Compass DAC and Headphone amplifier.
Important: If you want to know about shipping or the status of your order, you need to contact Audio-gd. Nobody on the forums knows, only Audio-gd does! Please don't forget to check Audio-gd's web site for the latest info, including shipping times.

The History of the Compass: (Read this specially if you're new to audio gear and Head-fi.)

Like many people, back when I took an interest in Head-fi, I'd...
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Headphoneus Supremus
Views 17313 Comments 30 Currawong is offline
Old

The Sennheiser HD-800 reviews/impressions list.

Posted 01-12-2009 at 01:46 AM by Currawong
Updated 04-21-2009 at 01:34 PM by Currawong

Two links are provided for each, to the post as it sits in the thread, and to the post by itself. Edit: If the "post" link goes to the same place as the "Thread" link it's because the forum settings have been changed since I first posted this.

Jude: Thread | Post

Edwood: Thread | Post

Bostonears: Thread | Post

Tyll Hertsens: Thread | Post

JP, Edwood and Voltron, who went together:

jp11801: Thread |...
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Headphoneus Supremus
Views 5248 Comments 0 Currawong is offline
Old

A summary of my gear impressions.

Posted 10-26-2008 at 03:33 AM by Currawong
Updated 03-26-2009 at 02:04 PM by Currawong (Added more. Stax impressions yet to come.)

I thought I'd write this up as a reference for later. It's a summary of the different iterations of my headphone set-up over time, most of it recent. For each stage, changed items are in green.

In all cases, I was using a Van Den Hul Optocoupler optical cable (except with the Apogee Duet), and until mentioned later, Japanese SAEC 1903 interconnects.

Various Macs -> MB Quart QP 55X
I bought these headphones for AU$175 a great many years ago and was very happy with...
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Headphoneus Supremus
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Old
Rating: 5 votes, 5.00 average.

Introduction to the Zero DAC and Headphone amplifier.

Posted 09-17-2008 at 01:30 AM by Currawong
Updated 04-06-2009 at 12:47 PM by Currawong (Fixed a couple of things.)
Tags zero dac

Jan 2009: After the issues people have had receiving faulty Zeros, we have asked the maker of the HDAM upgrade to design an alternative to the Zero. This is now known as the Compass. You can read the Head-fi discussion about the design. This is likely to be available from February and, though it's a bit more expensive than a fully upgraded Zero from Lawrence, it is made to much higher standards.

April 2009 Edit: This guide is merely for information only. It's not a recommendation...
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Headphoneus Supremus
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