REX 3 Preamplifier vs Aesthetix Callisto Eclipse
The Callisto Eclipse's output impedance is 1Ω against the REX 3 Preamplifier's 200Ω and its height 140 mm against 146.05 mm. Both share input impedance (100Ω) and class (Tube).
AI-generated product photo — not official manufacturer imagery.
AmplifiersTube AmplifiersPre-Amplifiers
Estimated price (community-sourced)
$25,000
Around — community and catalog average, updates slowly
About the REX 3 Preamplifier
The Balanced Audio Technology REX 3 Preamplifier celebrates 25 years of BAT engineering with a dual-chassis design (control module and power module) housing 18 vacuum tubes. It employs second-generation amorphous-core output transformers with Cardas OFC wiring and an enhanced SuperPak capacitor array for improved dynamics and frequency extension. Features include a 140-step electronic shunt volume attenuator (0.5dB resolution), five XLR inputs, and a tube complement including 6H30, 5AR4, 6C19, and 6C45 tubes.
Specifications
Power Specifications
Amplification power output and characteristics
- Amplifier Class
- tube
- Input Impedance
- 100Ω
Analog Output
Analog signal output specifications
- Output Impedance
- 200Ω
Connectivity
Input and output connections
- Analog Inputs
- XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 482.6 × 146.05 × 381 mm (W × H × D)
- Weight
- 34.02 kg (75 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions