My audio system is as follows:
Pair of Altec 1569A Extreme modification Kept the chassis and transformers
Now a Class A/B push/pull voltage regulated amplifier (not ultralinear) with 6 6BG6 Russian output tubes, Raytheon 1950 6SN7 cathode follower, pair of 6BG7 input tubes, 2-6” X 3” electrolytic storage capacitors. Synergistic Research blue fuses and Grover Huffman Pharoah power cable into IEC pig-tail. Grover Huffman Pharoah RCA to pre-amp
Custom 6 subminiature tube pre-amp and 8 subminiature tube phono stage, voltage regulated design non-fused
EAR Acute CD player with 1958 large O getter 6922 tubes and Grover Huffman Empress power cable, very low impedance RCAs Now using a Cos Enginering D-2 DAC with 75 ohm G.H. silver wire cable
VPI TNT VI heavy platter with SDS on Townsend Sink, SME IV modified with Cardas wiring/RCA box and closed foam insulation. Benz Ruby 3. Audio Interface 40 at 220 ohms. All with custom Grover Huffman Empress very low impedance RCAs.
VPI 19-4, Ultracraft 400, Grado 78 cartridge into Marantz 7C pre-amp
Bryston Bit-20 isolation transformer
Stillpoints under equipment, both Ultra-mini and Ultra sets
Dozen Perfect Path Omega E-Mats, 2 E+Mats, 18 Stop-Its (testing)
2 Pair Shakti Hallographs
Legacy Focus speakers
Grover Huffman Pharoah speaker cable
32 Synergistic Research HFTs various types
Synergistic Research blue duplex outletListening Room Construction It is custom but not SOTA materials
Floor-Poured steel reinforced to 12” 3000 lb. PSI concrete floor
Walls-
1” MDF
1/8” thick Acoustiblok vinyl sound barrier
¾” MDF
3 x 12 vertical studs, 14.5” on center
Staggered 12.6” wide 2 x 12 and 4 x 12 per vertical stud channel
13” X 4” X 48” 72lb. 4 chamber activated charcoal absorption filters staggered vertically up/down/up/down
4” Rockwool insulation over vacant stud channel area adjacent to filters
¾” cherry plywood
Side Walls - 5X 4' X 2' X 3" wood framed acoustic absorption panels
Ceiling
4’ Sound Absorption Blankets
4” Rockwool
2 x 8 horizontal beams
5/8” X drywall paneling
1/8” thick Acoustiblok vinyl sound barrier
¾” cherry plywood
Ceiling - 6X 5' X 3' X 6" wood framed acoustic absorption panels
Recessed 9 BR 40 65 Watt LED floodlights
2 Ton HVAC split system, low speed, high volume
70+ oz. plush cut pile carpeting
Power-Separate Sub-panel for audio only outlets, 10 gauge wiring, 20 amp breakers. Nothing special.