There are clear advantages to monitoring and mixing with headphones, but there are also a couple of disadvantages. The main one being that it is very difficult (if not impossible) to accurately judge room ambience.
Therefore, several years ago SPL began planning the development of a compact, professional headphone amplifier design based on its 120 volt technology. The inspiration came from project manager Hermann Gier‘s desire to eliminate major disadvantages in working with headphones. It therefore meant transferring the essential ambient parameters of loudspeaker monitoring to headphone monitoring.
After several years of development and painstaking optimization, SPL have now introduced the Phonitor, whose name is a derivative of “Headphone“ and “Monitor“.
• Frequency Response: ‹10Hz to ›200kHz (-3dB)
• CMR:-80dBu (@1kHz, 0dBu input level and unity gain)
• Crosstalk: -67dB (@1kHz)
• THD: 0,005% (@ 1kHz, 0dBu input level and unity gain)
• Noise: -97dBu (A-weighted)
• Dynamic Range: 129,5dB (@ 600 Ohms Impedance)
• (XLR connections, electronically balanced)
• Impedance: ca. 20 Ohms balanced/ca. 10 Ohms unbalanced
• Maximum Input Level: +24dBu
• XLR Connections: Input thru, electronically balanced
• Headphone Output: 6,3 mm stereo TRS connection
• Pin Wiring Tip = left, Ring = right, Shaft = GND, Impedance: 9 Ohms
• Max. Output Performance:
• 1,7W (+32,2dBm) @ 1 kHz and 600 Ohms connection
• 360mW (+25,6dBm) @ 1 kHz and 30 Ohms connection
• VU Meter: Input levels from -20dB to +5dB
• Signal LED: Input signals from -22dBu
• Overload LED: Displays input overload from +21dBu
• Voltages: 230V AC, 50Hz/120V AC, 60Hz
• Power Consumption: max 23,7VA
• Fuses (slow blow): 200-240V AC: 500mA/100-120V AC: 1A
Dimensions & Weight
• H x W x D (mm): 106 x 216 x 393 (H w/o Feet 88mm/2U)
• Weight: 4,05kg
• 0dBu = 0,775V.
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