The passion for high quality audio. http://www.gr-research.com/.
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| SlushPuppy, RonP, corndog71 and 239 Guests are viewing this board. | ||||
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152 Replies
200422 Views |
21 Jan 2026, 12:11 amby fre11111 |
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410 Replies
576072 Views |
2 Jan 2026, 08:39 pm by J-dav |
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374 Replies
619317 Views |
23 Dec 2025, 01:26 am by tortoiseman2542 |
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77 Replies
153812 Views |
24 Nov 2025, 08:48 pm by nostatic |
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226 Replies
449837 Views |
13 Nov 2025, 04:52 am by JonathanWalton7 |
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244 Replies
435414 Views |
11 Nov 2025, 05:36 am by AcidTest |
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112 Replies
241853 Views |
4 Nov 2025, 06:01 pm by corndog71 |
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OB H/W Frame Wiring Info / Diagrams
Started by Captainhemo « 1 2 3 » |
53 Replies
140150 Views |
30 Aug 2025, 12:56 am by racerxnet |
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113 Replies
233925 Views |
7 Jun 2025, 01:22 pm by S Clark |
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Electra tube connector installation instructions.
Started by Danny Richie « 1 2 3 4 » |
77 Replies
239119 Views |
14 Mar 2025, 06:30 pm by peporter |
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169 Replies
338494 Views |
12 Mar 2025, 06:11 am by kuroda99 |
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16 Replies
10231 Views |
Today at 04:00 am by Tyson |
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417 Replies
249927 Views |
Today at 01:05 am by NXSTUDIO-DRUMMER |
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Dr Tom’s NX-Tremes
Started by Norman Tracy |
19 Replies
8674 Views |
Yesterday at 11:38 pm by BenjaminWebber |
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Whole house generator
Started by BrandonB |
5 Replies
293 Views |
Yesterday at 11:17 pm by Charles Xavier |
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27 Replies
1499 Views |
Yesterday at 09:23 pm by RonP |
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Base for Bully
Started by Bucketoftruth2000 |
3 Replies
258 Views |
Yesterday at 03:53 pm by Craig Young |
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GR headphone amp impressions
Started by mlundy57 |
3 Replies
1594 Views |
Yesterday at 03:36 pm by heywaj10 |
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Spica TC-60 upgrade
Started by Hobbsmeerkat « 1 2 » |
20 Replies
5850 Views |
22 Jan 2026, 03:53 pm by Danny Richie |
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MoFi SourcePoint 8 crossover update?
Started by Tom899 |
13 Replies
6117 Views |
22 Jan 2026, 03:43 pm by Danny Richie |
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33 Replies
3568 Views |
19 Jan 2026, 04:57 am by seavan |
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Miller Audio Dyna-70 amp
Started by BrandonB |
5 Replies
2407 Views |
17 Jan 2026, 06:42 pm by ceylon |
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Speakers Stacked on OB Subs
Started by Bucketoftruth2000 |
11 Replies
1610 Views |
16 Jan 2026, 03:00 pm by corndog71 |
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21 Replies
14358 Views |
15 Jan 2026, 08:50 pm by BrandonB |
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Dodd Battery Preamp health check
Started by S Clark |
2 Replies
940 Views |
15 Jan 2026, 06:52 pm by S Clark |
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My HP Filter effort
Started by pstrisik |
2 Replies
1914 Views |
15 Jan 2026, 06:32 pm by Danny Richie |
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Why no video on the x-Omni Towers?
Started by NIGHTFALL1970 |
6 Replies
1680 Views |
14 Jan 2026, 08:36 pm by NIGHTFALL1970 |
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A nearly two hour interview
Started by Danny Richie |
0 Replies
843 Views |
13 Jan 2026, 04:10 pm by Danny Richie |
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Tannoy Canterbury crossover notch filter
Started by Spender |
1 Replies
772 Views |
13 Jan 2026, 03:15 am by Danny Richie |
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89 Replies
31677 Views |
11 Jan 2026, 10:29 pm by goggle1824 |
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