GTT Perspective · True Life Audio
Tube glow, solid-state control.
The SSA-350 is True Life Audio's Supreme Series hybrid monoblock — a tube front end driving a solid-state current amplifier, built for demanding loudspeaker loads.
Why a hybrid, done this way
A hybrid amplifier sets out to combine two virtues: the harmonic ease of valves with the grip of solid state. The SSA-350 pursues it by treating the two halves as separate engineering problems, each with its own power supply.
A tube input stage — NOS GZ32 rectification and a single-ended 6J5 — hands the signal to an ultra-linear solid-state stage and a bipolar current amplifier. The result is an amplifier that holds demanding loudspeaker loads while keeping the tonal life that makes music present.
We distribute True Life Audio in North America because this is engineering we can stand behind and demonstrate. It is a considered answer to a real problem, and it rewards a serious system.
What the engineering actually does
Two supplies, two disciplines
Two linear power supplies separate the tube front end from the high-current solid-state output section — each half engineered on its own terms.
Tube input, solid-state current
NOS GZ32 tube rectification and a single-ended NOS 6J5 input stage drive an ultra-linear solid-state stage and a bipolar-transistor current amplifier.
Made in-house, built to last
True Life Audio designs and manufactures its output transformer, power transformers, and choke in-house; the chassis is machined from aircraft-grade aluminum and the solid-aluminum heat sink forms part of the vibration-damping structure.
In our Private Listening Room
From the independent record
- Review“They effortlessly deliver one of the most exceptionally congruent musical tapestries I've yet experienced.” — Greg Weaver, pt.AUDIOIndependent review.
- Review“world-class in every way this audiophile deems important” — Key Kim, Positive FeedbackIndependent review of the Supreme Series.
- Video“It doesn't sound like solid state, it doesn't sound like tube, it sounds like music.” — Greg Weaver, The Audio Analyst
Questions we hear in the listening room
Why a hybrid — tubes and solid state in one amplifier?
Because each does one job well. A NOS tube front end handles voltage gain with the ease and dimensionality valves are known for; a bipolar solid-state current stage delivers 350 watts into 4 ohms. The loudspeaker's load is met by the current stage; voltage gain is handled by the tubes.
What loudspeakers suit the SSA-350?
Demanding loads are where it is most at home — low impedance, high current — and the same composure carries across the loudspeakers we work with. It holds its character as the music climbs.
What does ownership involve?
Protection is built in — a warm-up delay of roughly thirteen seconds, plus DC-fault and thermal monitoring. The GZ32 and 6J5 are standard tube types, conservatively run; True Life Audio's topology and protection behavior are documented in its published specifications.
Further reading
Private Audition
Hear the SSA-350 for yourself
GTT is the North American distributor for True Life Audio. The SSA-350 is auditioned in a complete system, by confirmed appointment, in our Private Listening Room in Long Valley, New Jersey.