Rhumba Extreme 1.4 vs Rhythm 1.4 Linestage Tube
The Rhythm 1.4 Linestage Tube's output impedance is 80Ω against the Rhumba Extreme 1.4's 75Ω and its input impedance 34000Ω against 43000Ω. Both share signal-to-noise (98 dB) and thd (0.090%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPre-AmplifiersTube Amplifiers
Estimated price (community-sourced)
$8,500
Around — community and catalog average, updates slowly
About the Rhumba Extreme 1.4
The Backert Labs Rhumba Extreme 1.4 is a high-end vacuum tube stereo linestage preamplifier positioned as the company’s best-value model, offering sonics very near its flagship Rhythm preamp. Backert Labs describes it as a fully balanced design with upgraded circuits in the power supply and gain stage, improved stock tubes, higher-quality capacitors, a solid brass bottom panel, IsoAcoustics Gaia feet, and an all-new circuit board for better grounding and channel separation. It is manufactured in the USA and sold for $8,500. Backert Labs says the current 1.4 version replaced the previous 1.3 series in January 2024 and the company is still selling it as its current Rhumba Extreme model.
Specifications
Power Specifications
Amplification power output and characteristics
- Amplifier Class
- A
- Input Impedance
- 43000Ω
Analog Output
Analog signal output specifications
- THD
- 0.090%
- SNR
- 98 dB
- Output Impedance
- 75Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR, RCA
- Analog Outputs
- XLR, RCA
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions