Locomotive Audio Weight Tank WT-72

TRUE TO THE ORIGINAL ALL TUBE DESIGN
Just as the vintage design required, the WT-72 employs both AC & DC voltage feedback, providing the proper gain and necessary stability.

QUIET GAIN SWITCHING
The all new WT-72 sets gain with attenuation and altering AC & DC voltage feedback. DC feedback switching would normally introduce large pops, causing harm to your monitors, or even worse, your hearing. The user would need to manually lower monitor volume before switching gain, making for a frustrating experience. A special muting system in the WT-72 performs a brief mute of the output between each step of gain. This mute eliminates the loud transient and allows the tubes to stabilize before the output becomes unmuted.

HYBRID SWITCHING SYSTEM
An 11-position rotary switch utilizes both mechanical and photo relays to change the amount of gain, offering great flexibility.

WHY IS ANY OF THIS IMPORTANT?
By changing gain with voltage feedback (gain knob at 36-56 dB), there is less noise at less gain!

For example, at 36 dB of gain, you will have 20 dB less noise than at 56 dB of gain. We are limited with the amount of voltage feedback to change gain because there is a “sweet spot” for stability and frequency response. Therefore, using attenuation before the tube gain stages (gain knob at Off – 36 dB), allows the WT-72 to have the most gain flexibility and best noise performance possible.

Locomotive Audio Weight Tank WT-72

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