SPL Phonitor One - Pojačalo za slušalice
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The audiophile headphone amplifier with innovative Phonitor Matrix and outstanding sound quality.
For us the sound is always in the foreground. When it sounds good, we like to listen. To get such a sound, you need experience and technical finesse. We have incorporated both into the Series One.
Two Burr-Brown OPA 2134 SoundPlus™ operational amplifiers provide the pre-amplification. These are specially designed for audiophile circuits and are characterized by extremely low noise and minimal distortion of only 0.00008%.
Thanks to a true FET stage, the OPA 2134 achieves a slew rate of 20V/µs, making it a high-speed operational amplifier. This has an immediate positive effect on the liveliness of the playback.
In addition, low capacitance film capacitors are installed in the signal path as bypass capacitors of the coupling capacitors, which ensures a more precise transmission of the high-frequency signal components.
The excellent Panasonic ‘Electric Double Layer’ gold electrolytic capacitors are used as coupling capacitors. They offer the highest storage capacity of all capacitor technologies
Specifications
Analog inputs; 6.35 mm (1/4") TRS Jack (balanced), RCA
Input gain (max.): +22.5 dBu
Input impedance Line In 2 (balanced): 20 kΩ
Common mode rejection: < 60 dB
Input impedance Line In 1 (unbalanced): 47 kΩ
Headphones Output; 6.35 mm (1/4") TRS Jack
Wiring: Tip = Left, Ring = Right, Sleeve = GND
Source impedance: 20 Ω
Frequency range (-3 dB): 10 Hz - 200 kHz
Noise (A-weighted, 600 Ω): -99 dBu
THD + N (0 dBu, 10 Hz – 22 kHz, 600 Ω): 0.002 %
THD + N (0 dBu, 10 Hz – 22 kHz, 32 Ω): 0.013 %
Max output power (600 Ω): 2 x 190 mW
Max output power (250 Ω): 2 x 330 mW
Max output power (47 Ω): 2 x 400 mW
Fade-out attenuation (600 Ω): -99 dB
Crosstalk (1 kHz, 600 Ω): -75 dB
Internal Power Supply
Operating voltage for analog audio: +/- 17 V
Operating voltage for headphone amplifier: +/- 19 V
Operating voltage for relays: +12 V
External Power Supply
AC/DC switching adaptor: Mean Well GE18/12-SC
DC plug: (+) pin 2.1mm; (-) outside ring 5.5mm
Input: 100 - 240 V AC; 50 - 60 Hz; 0.7 A
Output: 12 V DC; 1.5 A
Dimensions & Weight
W x H x D (width x height incl. feet x depth): 210 x 49.6 x 220 mm (8.23 x 1.95 x 8.66 inch)
Unit weight: 1.40 kg (3.09 lbs)
Shipping weight (incl. packaging): 2 kg (4.4 lbs)
