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Quadraphonic Hardware

Demodulators, Decoders, and Shibata...plus a whole lot more!

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Vintage Equipment Repairs & Modifications

Use this forum to discuss what you can do to preserve your vintage equipment, or recommend places that do restorations.
Threads
123
Messages
1K
Threads
123
Messages
1K
DuncanS
Cleaning up the Akai GX-630D-SS QR2R - Oh My!
quadanasaziland
  • Sticky
What kind of Legacy quad gear should I get?
Replies
14
Views
15K
Quadrifoglio
Quadrifoglio
A
Gately DynaQuad ENCODER - info appreciated
2
Replies
29
Views
631
afalout
A
JonUrban
Quad Adverts from the '70s - Fun for the old and new!
2
Replies
35
Views
15K
furui_suterioo
furui_suterioo
J
Akai SS-1 Universal Synthesizer
3 4 5
Replies
99
Views
8K
Soundfield
Soundfield
elguapo511
Sony SQD-2020 - wtf?
Replies
4
Views
188
Doug G.
Doug G.
winopener
Bottom of Quad line: Sanyo question
2
Replies
20
Views
478
MidiMagic
MidiMagic
S
Audionics Space & Image Composer / Tate Audio
3 4 5
Replies
97
Views
18K
furui_suterioo
furui_suterioo
gvl_guy
A strange issue with my "new" Sansui QRX-9001. Any ideas?
2 3
Replies
40
Views
945
MidiMagic
MidiMagic
Doug G.
Schematic/Service Manual for a Bell and Howell AAD-210 Quad Amplifier
Replies
0
Views
77
Doug G.
Doug G.
D
My DIY Audio Scope so far (will update)
2 3 4
Replies
66
Views
3K
Wurly1
W
D
Pioneer QD-210 SQ decoder testing
Replies
9
Views
4K
MidiMagic
MidiMagic
gvl_guy
I spent my COVID vacation money on this.....
2
Replies
29
Views
933
Soundfield
Soundfield
humprof
In Heaven, There Is Quad Sound?
2
Replies
30
Views
843
MidiMagic
MidiMagic
V
Speaker level to line level question
Replies
11
Views
295
MidiMagic
MidiMagic
surteess
Toshiba SC-410
Replies
12
Views
1K
Floyfn
Floyfn
D
I’ve Joined the Tate family!
2 3
Replies
40
Views
2K
quadaholic
Q
S
Sansui Decoded Tape Out Disambiguation
Replies
3
Views
213
senorverde
S
B
Will I ever be able to hear 4 discrete channels?
2
Replies
29
Views
2K
MidiMagic
MidiMagic
kvadro
Anyone knows WHEN IT'S QUAD by using a Technics SH-3433 AUDIOSCOPE
2
Replies
39
Views
12K
ButchDeal
ButchDeal
elguapo511
Iso: technix sa-8500x or 8000
Replies
0
Views
93
elguapo511
elguapo511
Led9
Lafayette LR-4000 question
Replies
2
Views
3K
palmer
P
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