PERFORMANCE BEGINS HERE
Designed for your delicate front end gear, optimized for high current applications
For over three decades, Sound Application founder Jim Weil has dedicated himself to a singular pursuit: revealing every nuance of recorded sound by eliminating the extraneous noise and distortion that obscures fine detail and microdynamic clarity. Through rigorous engineering and continuous innovation, SA has transformed signal refinement into a fine art—creating equipment and solutions that empower audio professionals to hear precisely what the artist intended.
SA Z-Series – AC Impedance Coupling
Unlock Your System’s Potential
The Z-Series is Sound Application’s most revolutionary offering: a limited edition impedance coupling device that transforms your entire audio system by effectively reducing AC power line impedance.
Unlike traditional filters, this device is universally beneficial across all audio-visual components, delivering a stunning improvement in AC power line performance. The result is a power feed so clean and controlled, your components respond as if they’ve been upgraded with massive, pristine power supplies—yielding sharper dynamics, crystal-clear resolution, and a level of engagement that transcends expectations. Refined over 25 years, the meticulously designed Z-Series circuit vastly increases dynamics and greatly enhances emotional involvement, all with zero sonic coloration.
When paired with the SA TT-7 SFS, the Z-series reveals previously hidden layers of detail and emotion—turning what you thought was excellent sound into an electrifying, immersive experience.
SA SFS Power Grid Interface – 120/240 volts
The unique SA TT-7 San Francisco Standard Power Grid Interface
At 60Hz, this circuit is completely transparent with zero constraints or coloration.
Circuit invisibility is achieved by having Inductor Impedance of 0.0001 Ohms @ 120Hz coupled with ultra low parallel Capacitance
Circuit breaker has Silver Tungsten contact points, R = 0.0032 Ω
- 3 GigaHertz Bandwidth Transverse Mode filter
- 1.1 GigaHertz Common Mode Noise elimination
SA Power Grid Interface – 120 volts
- 30- KHz – 3 GHz Bandwidth Transverse Mode filter, total capacitance of .5uF
- Transverse Mode Filter tuned to measured noise points on the power grid
- For specific power situations, available through special order only
At the heart of Sound Application designs are Rel TFT Capacitors of Virgin Teflon with High Purity Tin Foil. These are custom six layer caps designed by Bas Lim for SA, with 7N 10g, 99.99999% pure copper wire and coupled with G5 Titanium hardware.
Our Grade 5 Titanium is the ideal material with the correct, electrical, magnetic and mechanical properties to bond our electrical junctions. The extraordinary accuracy of our compression formed G5 Titanium permits extreme torquing points.
The tunable monocoque chassis of the SA TT-7 Power Grid Interface incorporates a 5 Kg CNC machined mirror polished solid brass PowerBase
All SA TT-7 Power Grid Interface Power Line Conditioner designs are completely Non-Current Limiting with only cold welded High Purity Copper 100% point-to-point wiring in the AC current path
- 17 pounds (7.7kg)
- Length is 16 inches (41cm) Width 6.3 inches (16cm) and Height 3.3 inches (9cm)
- Three (3) 20 amp High Conductivity duplex US outlets, accommodating 6 power cords
- 20 amp IEC input, matched with a 20 amp CarlingSwitch High Speed Magnetic Circuit Breaker
SA TT-7 Power Grid Interface power line conditioners are enclosed in our welded, non-magnetic, aluminum monocoque chassis producing a tunable resonant enclosure bonded with G5 Titanium hardware to a 5 Kg CNC machined mirror polished solid brass PowerBase.
Experience the difference where improvement isn’t incremental—it’s transformative.e.