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Hi!

Welcome to my DIY audio forum. The forum SW has been reset and unfortunately there were some problems with backup files so a few posts were lost, nothing important though.

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Per-Anders Sjöström

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Headphone amplifiers

QRV-02, QRV-03, QRV04, QRV-08 and QRV-09 Headphone amplifiers

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Replies: 10
Views: 275

January 12, 2025, 08:40:08 PM
by peranders

Replies: 3
Views: 6,721

September 12, 2019, 07:30:03 AM
by peranders

QRV-08 power up

Started by svarthvitt

Pages1 2 3

Replies: 43
Views: 21,268

June 13, 2019, 09:11:47 PM
by svarthvitt

Replies: 4
Views: 4,184

March 20, 2019, 11:03:23 AM
by peranders

Replies: 2
Views: 3,854

July 24, 2018, 04:12:51 PM
by chinook9

Replies: 9
Views: 4,979

May 05, 2018, 01:27:58 PM
by peranders

Replies: 10
Views: 5,635

April 26, 2017, 04:32:13 PM
by chinook9

Replies: 4
Views: 3,907

January 31, 2017, 08:38:38 PM
by peranders

QRV-08 Build #3

Started by BMF

Replies: 7
Views: 4,998

January 11, 2017, 12:25:18 AM
by BMF

Replies: 0
Views: 4,791

August 09, 2016, 04:52:24 PM
by DDragon80

QRV08 Setup Instructions

Started by BMF

Pages1 2 3 4 5 6 7

Replies: 97
Views: 31,773

July 25, 2016, 05:28:38 AM
by BMF

Replies: 8
Views: 5,968

May 09, 2016, 02:29:55 PM
by savinalexandru

Replies: 4
Views: 3,845

May 02, 2016, 11:54:47 AM
by peranders

Replies: 1
Views: 3,241

February 04, 2016, 07:01:18 PM
by peranders

Replies: 2
Views: 3,469

October 16, 2015, 11:36:58 AM
by mabu0815

Replies: 7
Views: 5,834

June 12, 2015, 08:02:27 PM
by peranders

Replies: 2
Views: 3,964

March 21, 2015, 01:07:03 AM
by maust

Replies: 13
Views: 6,130

March 19, 2015, 10:55:57 PM
by maust

Replies: 11
Views: 6,230

January 17, 2015, 09:47:29 AM
by peranders

QRV09 Voltage

Started by Forte

Replies: 4
Views: 4,209

November 24, 2014, 05:58:14 PM
by Forte

Replies: 4
Views: 4,176

November 01, 2014, 05:09:57 PM
by Matthias

Replies: 5
Views: 4,910

March 02, 2014, 10:32:35 AM
by jhmvanbeek

Problem QRV-09

Started by joBe

Replies: 4
Views: 4,894

January 19, 2014, 05:00:23 PM
by peranders

Replies: 8
Views: 6,620

December 06, 2013, 09:38:49 PM
by peranders

Replies: 71
Views: 37,121

August 24, 2012, 06:16:42 PM
by galouche

Replies: 7
Views: 6,048

May 04, 2012, 08:43:10 PM
by peranders

Replies: 2
Views: 4,052

April 02, 2012, 08:25:29 PM
by Houghtkj

Replies: 5
Views: 5,881

March 22, 2012, 07:57:26 PM
by peranders

Replies: 1
Views: 3,815

July 24, 2011, 10:39:17 PM
by peranders

QRV09

Started by csyao

Replies: 4
Views: 5,204

June 08, 2011, 04:31:51 AM
by csyao

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