P300 vs Aesthetix Calypso
The Calypso's output impedance is 1Ω against the P300's 15Ω, its input impedance 40Ω against 33000Ω, its weight 18.1 kg (40 lbs) against 10.6 kg (23 lbs), and its height 111 mm against 127 mm.
AI-generated product photo — not official manufacturer imagery.
P300
Circle LabsAmplifiersPre-Amplifiers
Estimated price (community-sourced)
$6,374.09
Around — community and catalog average, updates slowly
About the P300
The Circle Labs P300 is a high-end preamplifier designed for audiophile systems, featuring a fully balanced topology and minimalist signal path. It employs a relay-operated resistor ladder volume control with 63 steps for precise attenuation. The unit uses JFET/BJT transistors in a proprietary amplifier topology and includes a low-noise dual-transformer power supply with Elna SILMIC II capacitors for exceptional channel separation and noise performance.
Specifications
Analog Output
Analog signal output specifications
- Output Impedance
- 15Ω
Connectivity
Input and output connections
- Analog Inputs
- RCA, XLR
- Analog Outputs
- XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 430 × 127 × 342 mm (W × H × D)
- Weight
- 10.6 kg (23 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions