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  1. questionWhy does Continuum 500 employ the ICEpower 1000 ASP power conversion module?
    ICEpower 1000 ASP modules are fundamental engineering building blocks found inside a number of class D power amplifiers at all levels of sophistication and complexity. They yield extremely fast, responsive, extended, powerful, and highly controlled amplification, with very little heat dissipatio ...
  2. questionWhy Continuum 500 features fully balanced output stages?
    The Continuum 500 integrated amplifier is fully balanced in its output stages to maximize speaker control and authority, staging and imaging, as well as nuance and resolution. Balanced output stages also half the levels of output currents. The uncompromising balanced design of the Continuum 500 ...
  3. questionCan an external power conditioner benefit the sound of the Continuum 500 integrated amplifier?
    As the Continuum 500 integrated amplifier incorporates its very own sophisticated power conditioner in the form of an internal active power factor correction (PFC) rectifier circuit, capable of delivering 1500Watts of clean DC power to the switch mode power supply, an additional external power c ...
  4. questionDoes Continuum 500 sport external user accessible fuses?
    All fuses of Continuum 500 are internal to the unit and can be accessed and replaced only by qualified personnel. Please contact your authorized JRDG dealer, or the Jeff Rowland Design factory for instructions.
  5. questionShould the Continuum 500 integrated amplifier be left powered on at all times?
    As Continuum 500 draws only 35W when idling, it is recommended that it be left on and operational even after its initial break in process is complete. This ensures that whenever music playback resumes, the Continuum 500 integrated amplifier achieves peak performance in only a few minutes of pla ...
  6. questionWhat is the estimated break-in time for the Continuum 500 integrated amplifier?
    A new Continuum 500 integrated amplifier reaches its full performance potential after an extended break-in period that may protract for over 300 hours of playing time. Complex integrated amplifiers like Continuum 500, which operate at moderately low temperatures and contain switch mode power sup ...
  7. questionHow to replace Continuum 500’s remote control battery?
    The Continuum 500’s remote control is powered by a single standard 9 Volt alkaline battery. When the remote begins to weaken, or no longer functions, it is likely necessary to replace its battery. Access to the battery is gained by removing the two Phillips head screws that secure the back ...
  8. questionWhere can I obtain the optional Phono cards for the Continuum 500 integrated amplifier?
    The phono cards for the Continuum 500 integrated amplifier are the same also used in the Continuum 250 and the Capri preamplifier. The phono cards are available from authorized JRDG dealers and distributors, or directly from the JRDG factory.
  9. questionWhy is the PC-1 PFC-based rectifier NOT compatible with Continuum 500?
    The Continuum 500 integrated power amplifier incorporates an internal active Power Factor Correction (PFC) circuit capable of yielding 1500 Watts of DC power, which is twice the capacity of the external PC-1 power rectifier and conditioner. The external PC-1 unit is therefore not compatible with ...
  10. questionWhat is the function of the twin banks of bulk output capacitors in the output stages of Continuum 500?
    The twin bulk capacitor banks in the output stages are unique to the Continuum 500 integrated power amplifier. They enhance its sonic presence, authority, and transient speed to levels unmatched in its class. They are one of the many reasons why so many music lovers the world over have fallen i ...
  11. questionWhy is the preamplifier stage in the Continuum 500 integrated amplifier designed around the tiny Burr Brown OPA1632 module instead of utilizing bulky discrete components?
    The extraordinary performance of the Continuum 500 integrated amplifier is made possible by the exceedingly high electrical and electronic performance of twin TI Burr Brown OPA1632 fully differential I/O audio amplifier modules found in its preamplifier stage. These are the same 180 MHz I/O audi ...
  12. questionWhat are the salient technical features of the Continuum 500 integrated amplifier?
    As typical of JRDG products, the entire chassis of the Continuum is milled from a solid, massive block of 6061 aircraft-grade aluminum to provide a vibration-free and EMI resistant enclosure for sensitive audio circuitry. The chassis is sealed to prevent dust from penetrating the interior of ...
  13. questionHow can the Continuum 500 integrated power amplifier exceed the performance of world-class integrated amplifiers, including Jeff Rowland’s own great classic designs?
    The Continuum 500 is Jeff Rowland’s highest artistic and engineering achievement in an integrated power amplifier during a quarter century of technological leadership. It even surpasses the extraordinary sonic performance of such classics as the celebrated Concentra and Concerto integrated ...
  14. questionWhy does the Continuum 500 integrated amplifier use Active Power Factor Correction (PFC) current rectification?
    The 1500W active power factor correction (PFC) subsystem is pivotal to the refined musical performance of the Continuum 500 integrated amplifier, and contributes to its remarkable energy efficiency. Active Power Factor Correction (PFC) is an advanced technique for the synchronization of the vol ...
  15. questionHow to turn off Continuum 500’s display?
    Continuum 500’s luminescent display can be configured to turn itself off automatically 10 seconds after each button on the front panel or on the remote control is pressed. This requires a change to an internal jumper setting. Please contact your JRDG dealer or the JRDG factory for more in ...
  16. questionHow to change Continuum 500 integrated amplifier from 240V to 120V operations?
    The Continuum 500 integrated power amplifier can be connected to the AC main directly, regardless of local AC mains voltage. Continuum 500 is equipped with auto-ranging circuitry, and dual-stage voltage regulation, compatible with AC mains voltages ranging from 85 to 265 VAC. There are no volta ...
  17. questionHow to change the Continuum 500 integrated amplifier from 120V to 240V operations?
    The Continuum 500 integrated power amplifier can be connected to the AC main directly, regardless of local AC mains voltage. Continuum 500 is equipped with auto-ranging circuitry, and dual-stage voltage regulation, compatible with AC mains voltages ranging from 85 to 265 VAC. There are no volta ...
  18. questionIs the power factor correction (PFC) throughput in Continuum 500 equivalent to a PC-1 external PFC-based rectifier?
    The PFC circuit inside Continuum 500 is twice as powerful as an external PC-1. the PFC circuit inside the PC-1 would be insufficient to drive the Continuum 500. The Continuum 500 sports a single powerful 1500 Watts PFC circuit which yields twice the power of the 750 Watts PFC module of the PC-1 ...
  19. questionWhat is the sonic signature of the Continuum 500 integrated amplifier?
    The Continuum 500 is a reference level integrated power amplifier that inherits the hallmark sonic character of Jeff Rowland’s great classic products—tremendous authority, great imaging and staging, and a grain free musicality. It is capable of superior authority, with presence, exc ...
  20. questionIs the Continuum 500 integrated amplifier equivalent to Continuum 250 except for sporting twice as powerful ICEpower power conversion modules?
    The Continuum 500 is much more than a more powerful version of the Continuum 250. In addition to sporting twin 500W per channel ICEpower 1000 ASP power conversion modules, instead of the 250W per channel ICEpower 500 ASP used in the Continuum 250, Continuum 500 incorporates a massive 1500 Watt ...
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