Cherry Stereo Maraschino Standard and KING versions -- the difference

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AmpDesigner333

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General specifications are listed below.

Here's what's the same between the Standard 48V STM and 60V KING STM:
  • SNR
  • THD+N
  • Damping Factor
  • Bandwidth
  • Gain
  • Size/Weight of the amp

Here are the differences between the KING and Standard version:
  • Power output is 400Wpc (into 4Ω, >200Wpc into 8Ω) with the KING version and 125Wpc (into 8Ω or less) with the standard version.  This is due to the power supply's limits, not the amp itself.
  • Idle noise is about 2dB lower with the 48V power supply (standard version).  Many would say this is not significant because both are way below audibility (microvolts).
  • The KING version has WBT Gold binding posts, and the standard version has Dayton posts.
  • The KING version uses a 60V 1kW power supply (120VAC and 230VAC versions, same case size as the STM, so they can be stacked), and the 48V version uses a medical grade universal AC supply that is typically placed on the floor (looks like an extra large laptop power supply).

Stereo Maraschino (STM) Specifications:
Gain: 24dB
Sensitivity (KING 60V Version): 3.1Vin for 400Wout into 4Ω
Sensitivity (48V Version): 2.2Vin for 125Wout into 4Ω
SNR: 120dB
Input Impedance: 20 kΩ, true balanced
THD+N: 0.002%
Frequency Response: 0 Hz to >100 kHz
Size and Weight: 7.8" x 6.5" x 2.3", <3 lbs (amp only)
Output Power (KING 60V Version): 400Wpc into 4Ω
Output Power (48V Version): 125Wpc into 4Ω
Power Efficiency: 95%
Protection: Thermal, Current, Voltage, Auto-Recovery
Output Impedance: <0.02Ω
AC Power (KING 60V Version): 100-130VAC/200-250VAC, 50-60Hz
AC Power (48V Version): 100-250VAC, 50-60Hz


AmpDesigner333

  • Facilitator
  • Posts: 2553
  • Detailed AND Musical
    • Digital Amplifier Company