SPL Channel One
Channel strip with tube mic preamp, de-esser, compressor/limiter, noise gate, EQ with FET distortion stage and headphone monitoring, aimed at recording voices and instruments. It is discontinued and succeeded by the Channel One Mk3.
- Tube preamp with mic, line and instrument inputs
- De-esser, compressor/limiter, noise gate, 4-band EQ with FET distortion
- 48 V phantom power, polarity reverse and LF cut
- Optional Lundahl transformers and 24-bit AD converter module
- Discontinued; successor is Channel One Mk3
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The Channel One combines a tube preamp with mic, line and instrument inputs and a processing chain in a single 19-inch unit. The mic input provides 48 V phantom power, polarity reversal and a low-frequency cut filter, while the line input has a balancing stage and the instrument input sits on the front panel.
The processing section includes a one-knob de-esser that works in auto-threshold mode and reduces S-sounds with a narrow-band, phase-reversed method. The compressor/limiter is based on a Double-VCA-Drive circuit with single-control adjustment, and the noise gate has an auto-release circuit. A dedicated EQ offers low, mid, high and air bands plus a field-effect distortion stage.
An insert (send/return) allows external effects to be patched in or the preamp signal to be sent out. A headphone monitor lets a performer be given an individual mix without latency. Optional Lundahl input and output transformers and an AD converter module (1090, 24 bit, SPDIF coaxial and optical output) can be fitted. Power comes from an internal linear supply with a toroidal transformer.
Speċifikazzjonijiet
- Marka
- SPL
- Mudell
- Channel One
- Kategorija
- Studio › Preamps u outboard
Inputs
- Input types
- Mic, line, instrument
- Maximum input gain (Mic)
- 21.5 dBu
- Maximum input gain (Instrument)
- 14 dBu
- Input impedance (Line)
- 20 kΩ
- Input impedance (Instrument)
- 1 MΩ
- Phantom power
- +48 V
Outputs
- Analog inputs & output
- XLR & TRS Jack (balanced)
- Output impedance
- 100 Ω
Audio
- Frequency range (-3 dB)
- 10 Hz – 100 kHz
- Crosstalk (1 kHz)
- -108 dBu
- Noise (Mic Preamp, 150 Ω, 20 dB Gain, A-weighted)
- -97.1 dBu
- Noise (Mic Preamp, 150 Ω, 40 dB Gain, A-weighted)
- -91.1 dBu
- Noise (Mic Preamp, 150 Ω, 62 dB Gain, A-weighted)
- -67 dBu
- E.I.N. (150 Ω)
- -129 dBu
- Noise (Line/Instr Preamp, 600 Ω, 5 dB Gain, A-weighted)
- -99.4 dBu
- Common mode rejection (1 kHz)
- 80 dB
Power
- Mains voltage (selectable)
- 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. 20 W
- Tubes anode voltage
- +250 V
- Tubes heating voltage
- +12.6 V
Physical
- Dimensions (W x H x D)
- 482 x 88 x 300 mm (19 x 3.46 x 11.8 inch)
- Unit weight
- 4.85 kg (10.69 lbs)
- Shipping weight
- 6.5 kg (14.33 lbs)