Linestage Comparison

Linestage Model: Rhumba 1.4 Rhumba Extreme 1.4 Rhythm 1.4
Price $5,000 $8,500 $12,900
Gain: 10 dB

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Our patented GreenForceTM power supply

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Home Theater bypass input, which doesn’t require preamp to be turned on during movies

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Class A amplification circuit with zero negative feedback, output impedance below 100 ohms

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Total of 5 input pairs and 4 output pairs:

2 fully-balanced XLR inputs, 2 fully-balanced XLR outputs

3 RCA inputs, 2 RCA outputs

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Solid metal remote control: volume up/down, mute

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Tubes: American-made 12au7 tubes or equivalents, listened to and selected for each individual unit by our president Andy Tebbe

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Custom-made toroidal power transformer

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Rhumba 1.4 Rhumba Extreme 1.4 Rhythm 1.4
Power transformer has dual-mono windings (separate paths for L and R channels to preserve dual-mono properties through the entire power supply)

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Only PTFE capacitors* driving the music signal power supply – no electrolytic capacitors

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Only polypropylene capacitors driving the music signal power supply – no electrolytic capacitors

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V-caps “ODAM” polypropylene output capacitors

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Jantzen “Silver” polypropylene output capacitors

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Every chassis panel machined from solid aluminum billet

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Tube bias automatically and continuously adjusted

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Solid-brass bottom panel

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LED-lighted volume knob

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Dual-mono power supply

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Iso-Acoustics feet

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Body color black, also available in stunning red or blue

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*PTFE capacitors use the well-known material found in non-stick cookware.

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