Continuum Integrated Amplifier

The Continuum Integrated amplifier represents JRDG's latest thoughts addressing sonic purity, advancements in circuit technology, and ergonomic design.

As typical for JRDG products, the entire chassis of the Continuum is milled from a solid, massive block of 6061 aluminum to provide a vibration-free and EMI resistant enclosure for sensitive audio circuitry.

Dual line-level outputs (balanced and unbalanced), balanced and unbalanced inputs, and preamp bypass inputs allow unprecedented compatibility with virtually any A/V component in both stereo and multi-channel installations.

A dual rate volume control allows precision level adjustments over nearly a 100 dB range. The volume control incorporates a permanently noiseless optical encoder that will always maintain its tactile feel, accuracy, and channel balance at all settings.

Optional high quality internal phono preamp modules are available.

As in the flagship 300 series, the Continuum 500 incorporates Power Factor Correction (PFC) circuitry that provides a near linear transfer of energy from power line to speaker outputs, resulting in unprecedented control of the loudspeaker/amplifier interface.

As with all JRDG products, the Continuum Integrated Amplifier redefines the state of the art of its product category.

 
Specs: 250 Version / 500 Version
Output Power, Continuous RMS watts, both channels driven
250 watts @ 8 ohms / 500 watts @ 8 ohms per channel /
500 watts @ 8 ohms / 1000 watts @ 4 ohms per channel
Frequency Response
5 Hz – 60 kHz, -3 dB @ 8 ohms / 5 Hz – 45 kHz, -3 dB @ 8 ohms
Peak Output Current
35 amps / 40 amps
Dynamic Range
117 dBa / 120 dBa
Load Impedance Range
3 ohms – 16 ohms
Input Impedance
48 k ohms
THD and Noise, 0.1 watts to Maximum Output
< 0.05%, Typically .006% @ 1kHz / < 0.1%, Typically .01% @ 1 kHz
Damping Factor @ 1 kHz
> 1000 / > 1000
Gain Structure
Preamplifier Section 14 dB, Amplifier Section 26 dB
Volume Control Range
99.5 dB
Volume Control Resolution
0.5 dB +/- 0.05 dB Over Entire Range
Common Mode Rejection Ratio
> 85 dB, 20 Hz to 20 kHz
Inputs
2 pair Balanced (XLR), 2 pair Unbalanced (RCA)
1 pair Unbalanced (RCA), Unity Gain (Bypass)
Outputs
1 pair Balanced (XLR), 1 pair Unbalanced (RCA)
1 pair CE-Approved Speaker Wire Clamp
Power Consumption
Idle – 25 watts, Max – 1000 watts / Idle – 35 watts, Max – 2000 watts
Power Supply
Switch Mode (SMPS) / Switch Mode (SMPS) with active power factor correction (PFC) and universal AC input voltage
Amplifier Weight
41 lbs. - 18.6 kg / 44 lbs. - 20 kg
Overall Amplifier Dimensions (H) x (W) x (D)
5.3" x 15.5” x 15.0” (135mm x 394mm x 380mm)
 
Because Jeff Rowland Design Group is constantly analyzing new design improvements, we reserve the right to change or modify product specifications without notice or obligation.

   
 
Copyright© 2005 - 2009 Jeff Rowland Design Group