The passion for high quality audio. http://www.gr-research.com/.
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152 Replies
203192 Views |
21 Jan 2026, 12:11 amby fre11111 |
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410 Replies
579859 Views |
2 Jan 2026, 08:39 pm by J-dav |
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374 Replies
622992 Views |
23 Dec 2025, 01:26 am by tortoiseman2542 |
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77 Replies
155466 Views |
24 Nov 2025, 08:48 pm by nostatic |
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226 Replies
452806 Views |
13 Nov 2025, 04:52 am by JonathanWalton7 |
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244 Replies
438277 Views |
11 Nov 2025, 05:36 am by AcidTest |
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112 Replies
244583 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
141416 Views |
30 Aug 2025, 12:56 am by racerxnet |
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113 Replies
236588 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
240917 Views |
14 Mar 2025, 06:30 pm by peporter |
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169 Replies
341241 Views |
12 Mar 2025, 06:11 am by kuroda99 |
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Adding Subwoofers to my system
Started by Jesuscookies |
9 Replies
280 Views |
Yesterday at 10:09 pm by Early B. |
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No-Rez
Started by ldmlholmes |
1 Replies
152 Views |
Yesterday at 09:38 pm by Peter J |
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Miller Audio Dyna-70 amp
Started by BrandonB |
6 Replies
2602 Views |
Yesterday at 06:12 pm by Norman Tracy |
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Dr Tom’s NX-Tremes
Started by Norman Tracy « 1 2 » |
21 Replies
9143 Views |
Yesterday at 03:05 am by BenjaminWebber |
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16 Replies
10521 Views |
24 Jan 2026, 04:00 am by Tyson |
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417 Replies
252810 Views |
24 Jan 2026, 01:05 am by NXSTUDIO-DRUMMER |
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Whole house generator
Started by BrandonB |
5 Replies
380 Views |
23 Jan 2026, 11:17 pm by Charles Xavier |
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27 Replies
1646 Views |
23 Jan 2026, 09:23 pm by RonP |
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Base for Bully
Started by Bucketoftruth2000 |
3 Replies
301 Views |
23 Jan 2026, 03:53 pm by Craig Young |
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GR headphone amp impressions
Started by mlundy57 |
3 Replies
1655 Views |
23 Jan 2026, 03:36 pm by heywaj10 |
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Spica TC-60 upgrade
Started by Hobbsmeerkat « 1 2 » |
20 Replies
5885 Views |
22 Jan 2026, 03:53 pm by Danny Richie |
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MoFi SourcePoint 8 crossover update?
Started by Tom899 |
13 Replies
6215 Views |
22 Jan 2026, 03:43 pm by Danny Richie |
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33 Replies
3647 Views |
19 Jan 2026, 04:57 am by seavan |
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Speakers Stacked on OB Subs
Started by Bucketoftruth2000 |
11 Replies
1645 Views |
16 Jan 2026, 03:00 pm by corndog71 |
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21 Replies
14451 Views |
15 Jan 2026, 08:50 pm by BrandonB |
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Dodd Battery Preamp health check
Started by S Clark |
2 Replies
959 Views |
15 Jan 2026, 06:52 pm by S Clark |
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My HP Filter effort
Started by pstrisik |
2 Replies
1930 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
1704 Views |
14 Jan 2026, 08:36 pm by NIGHTFALL1970 |
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A nearly two hour interview
Started by Danny Richie |
0 Replies
871 Views |
13 Jan 2026, 04:10 pm by Danny Richie |
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