Marantz PHA3 - Appendix; Technical Specifications; Trademarks and Licenses

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Appendix (English)
Technical Specifications
Frequency Response
10 Hz – 50 kHz, +1.0 dB (any input  any output, unity gain)
Voltage Gain Balanced Line Output
Loop Out: -3 dB
Headphone Output: 34 dB
Headphone Output
Loop Out: -1 dB
Headphone Output: 35 dB
Clipping Level Headphone/Loop Output
(1/4” / 6.35 mm)
+18 dBu minimum with 600 Ω load
+68 dBu minimum with 300 Ω load
Line Input (XLR)
+24 dBu
Impedance Headphone Output
200 Ω
Loop Out
200 Ω
Line Input (XLR)
22 KΩ
Stereo/Loop In (1/4” / 6.35 mm)
9.1 KΩ
Stereo/Loop In (1/8” / 3.5 mm)
9.1 KΩ
Dynamic Range
> 120 dB (balanced line inputs)
THD+N
0.03% maximum (10 Hz
–
22 kHz @ +10 dBu input/output level, 300 Ω load,
10 Hz – 22 kHz filter bandwidth)
Connections
(3) 1/4” (6.35 mm) TRS headphone outputs
(1) 1/4” (6.35 mm) TRS line output, unbalanced
(2) XLR inputs, electronically balanced
(1) 1/4” (6.35 mm) TRS line input, unbalanced
(1) 1/8” (3.5 mm) TRS line input, unbalanced
Internal Voltage Rails
+15 V, regulated
Power Power Adapter: 5–17 V DC, coaxial connector (5.5 mm outer diameter,
2.1 mm inner diameter), center-positive
Batteries: 2x AA alkaline batteries (approximately 12 hours of life driving 1
set of 75 Ω headphones, 8 hours of life driving 1 set of 56 Ω headphones)
Input Voltage: 110-120 V AC, 60 Hz; 220-240 V AC, 50 Hz
Dimensions
(width x depth x height)
3.7” x 5.6” x 1.7”
94 x 140 x 43 mm
Weight
1.2 lbs.
0.6 kg
Specifications are subject to change without notice.
Trademarks and Licenses
Marantz is a trademark of D&M Holdings Inc., registered in the U.S. and other countries. All other
product or company names are trademarks or registered trademarks of their respective owners.