CAT JL2 Signature MK2

The Convergent Audio Technology (CAT) JL2 Signature Mk2 is a powerful, all-tube stereo amplifier known for its 100 watts per channel of pure Class A power. It features a unique triode circuit design, large output transformers, and an isolation transformer, aiming to combine the strengths of low-powered single-ended tube amps with high power output.

Review:
The JL2 Signature's bass energy and drive are by far the best I've heard from a tube amp, and its realistic low-frequency weight and bloom are things you just don't hear from solid-state amps. The highs of the CAT amp are delicate and as detailed as your source will allow, and the midrange has the kind of presence that is audiophile gold. But it's the combination of all these things that makes the JL2 Signature Mk 2 an amp to love. It seems improbable that they would all be together in one amplifier, but there they are.

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General:
Power Output: 100 watts per channel into 8 ohms (Class A) and 100 watts per channel into 4 ohms (Class A).
Weight: A hefty 82kg (approximately 180 lbs).
Dimensions: 68.6 x 47 x 26.7 cm (L x W x H).
Tube Type: CAT typically supplies Winged C output tubes.

Performance:
Frequency Response: 1 Hz to 65 kHz (+0, -3dB).
Gain: 30.6 dB (8 ohms).
Sensitivity: 835mV AC for full power (8 ohms).
Noise: 90 dB below full power.
Power Bandwidth: 20 Hz to 30 kHz.
Damping Factor: 10.
THD (Total Harmonic Distortion): 1% THD at 105W into 8 ohms, 10% THD at 133W into 8 ohms, 1% THD at 103W into 4 ohms, and 10% THD at 163W into 4 ohms according to SoundStage! Network.

Design and Features:
Class A Operation: Provides a pure and detailed sound signature.