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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: 742

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

Replies: 3
Views: 7,047

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

QRV-08 power up

Started by svarthvitt

Pages1 2 3

Replies: 43
Views: 21,943

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

Replies: 4
Views: 4,372

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

Replies: 2
Views: 4,019

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

Replies: 9
Views: 5,185

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

Replies: 10
Views: 5,887

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

Replies: 4
Views: 4,079

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

QRV-08 Build #3

Started by BMF

Replies: 7
Views: 5,212

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

Replies: 0
Views: 4,953

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: 32,750

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

Replies: 8
Views: 6,177

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

Replies: 4
Views: 4,029

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

Replies: 1
Views: 3,394

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

Replies: 2
Views: 3,629

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

Replies: 7
Views: 6,031

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

Replies: 2
Views: 4,130

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

Replies: 13
Views: 6,354

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

Replies: 11
Views: 6,459

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

QRV09 Voltage

Started by Forte

Replies: 4
Views: 4,399

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

Replies: 4
Views: 4,355

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

Replies: 5
Views: 5,116

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

Problem QRV-09

Started by joBe

Replies: 4
Views: 5,077

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

Replies: 8
Views: 6,869

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

Replies: 71
Views: 37,847

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

Replies: 7
Views: 6,260

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

Replies: 2
Views: 4,225

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

Replies: 5
Views: 6,088

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

Replies: 1
Views: 3,981

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

QRV09

Started by csyao

Replies: 4
Views: 5,390

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

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