Tube Amp Doctor (TAD)

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Reverb Tank - Tube Amp Doctor, 4AB3C1B, Long Decay, 2-Spring

Reverb Tank - Tube Amp Doctor, 4AB3C1B, Long Decay, 2-Spring image 1
Reverb Tank - Tube Amp Doctor, 4AB3C1B, Long Decay, 2-Spring image 2
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Reverb Tank - Tube Amp Doctor, 4AB3C1B, Long Decay, 2-Spring image 1Reverb Tank - Tube Amp Doctor, 4AB3C1B, Long Decay, 2-Spring image 2
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SKU: P-RTAD-4AB3C1B
Item ID: 042016
List Price: $29.95
Price: $26.66
You Save: $3.29 (11%)
In stock
Number Of Springs
2 Springs
Tank Length
Long (16.25")
Output Impedance
2,250 Ohm
Input Impedance
8 Ohm
  • Replaces: 4AB3C1B
  • Solid, sturdy construction
  • Type: Long (2 Spring) tank
  • Decay: long decay
  • Input: 8 Ω
  • Output: 2,250 Ω
  • Connectors: Input insulated/output grounded
  • Locking: No lock
  • Mounting: Horizontal/open side down

Compatible amps include tube reverbs from 1963-1990 such as the Princeton Reverb, Vibrolux Reverb, Deluxe Reverb, Super Reverb, Pro Reverb, Twin Reverb, Quad Reverb, Super Six Reverb, Vibrosonic Reverb. This also includes all reissue equivalents. Also includes Fender® ’63 Reissue Reverb Unit, Fender® Concert II, Mesa Boogie® MK2C plus other models, LAB® Series L5, L7, L9, Koch® Powertone I, B-52® AT-100. Also compatible with some speaker-driven, type F, vintage Ampeg® amps such as B12X, B12XY, Echo Jet, Echo Twin.

"TAD redefines Spring Reverberation. When the manufacturing of Accutronics Reverb cans in the USA has been announced to close down in 2008 TAD started the research for an own high quality production of the classic spring reverberation units. The goal was to create a drop-in replacement bringing back that stunning reverb sound that Fender made so popular since the early 1960s.

The TAD Reverb Cans achieve this goal and even more: deep and smooth reverb, no fluttering but wide frequency response with airy top end instantly inspiring to enjoy guitar playing. The rock solid mechanical design assures a very dependable and consistent quality performance exceeding any expectation. A drop-in replacement and upgrade as well for vintage as for modern reverb cans by size, performance and tone."

-Tube Amp Doctor

UPC/EAN: 841358109034
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