SPL P8
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Eight-channel microphone preamplifer with discrete technology
P8 is equipped with eight identically designed microphone preamplifers. All eight preamps have a discrete design – without ICs, made of individual transistors. This is typical for absolute high-end preamplifers and is one of the main reasons for the outstanding sound.
Besides an analog gain control for adjusting the preamplifcation, each of the eight preamps features an individually switchable phantom power supply (48 V), a PAD switch, a phase inversion function and a switchable analog high-pass flter.
With the optional eight-channel ADAT converter, the purely analog P8
can be digitally connected to an audio interface.
P8 paves the way for high-quality multi-channel recording sessions.
Analog input & output; XLR & DB25 (balanced)
Maximum input level (Mic, +8 dB – +62 dB): 13,5 dBu
Input impedance (Mic/Line): 10 kΩ
Output impedance: 75 Ω
Frequency range: 15 Hz – 200 kHz
Equivalent Input Noise (EIN): -124 dBu
Noise (A-weighted, Mic Preamp, 150 Ω, 30 dB Gain): -94 dBu
Noise (A-weighted, Mic Preamp, 150 Ω, 62 dB Gain): -66 dBu
Common mode rejection ratio (CMRR, 1 kHz) Mic Input: < 78 dB
THD+N Ratio (1 kHz), Mic 30 dB Gain: 0,003 %
THD+N Ratio (1 kHz), Mic 63 dB Gain: 0,022 %
Signal display:
• Green -25 dBu
• Yellow 0 dBu
• (without AD converter): Red +19 dBu
-3 dBFs (with AD converter): +12 dBu
Internal Linear Power Supply with Shielded Toroidal Transformer
Operating voltage for audio electronics: +/-18 V
Operating voltage for relays and LEDs: +12 V
Phantom power: +48 V
Operating voltage AD converter card: +12 V / +3,3 V
Mains Power Supply
Mains voltage (selectable, see fuse chamber): 230 V AC / 50 Hz; 115 V AC / 60 Hz
Fuse for 230 V: T 315 mA
Fuse for 115 V: T 630 mA
Power consumption: max. 27 VA
Dimensions & Weight
W x H x D (width x height x depth): 482 x 44 x 237 mm
Unit weight: 4,15 kg
Shipping weight (incl. packaging): 5,4 kg
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