The SPL Volume 2 Stereo Volume Controller is a fully analog active stereo volume controller and a puristic high-end preamplifier that focusses on analog monitor leveling an sports a Mute switch that in case of a computer crash protects your speakers, headphones and ears.
The SPL Volume 2 Stereo Volume Controller is a cost-effective alternative to SPL's full-featured stereo monitoring controllers MTC and 2Control, that focusses on the high quality in active volume control. Users who do not need additional monitoring functionality provided by the MTC or 2Control will find the Volume 2 an cost-effective solution without compromises. The Volume 2 circuitry is an active design rather than a passive one. For a very good reason. When changing the volume in a passive design the impedance change affects the phase and frequency response negatively. An active design is therefore much more accurate and the far better solution.
The advantages of the SPL Volume 2 Stereo Volume Controller become especially apparent in combination with DAW based audio and video production systems. When changing the volume in the DAW the converters will be operating at a lower bit rate. 6dB reduction of the monitoring level is equivalent to 1 Bit less resolution. We are monitoring on an average of -24dB to -36dB below 0dBfs which means that the bit resolution is diminished by 4-6 Bits. With the Volume 2 this does not affect you. it uses a high quality stereo potentiometer from Alps to control in the analog domain.
SPL Volume 2 Stereo Volume Controller Features
- High end volume potentiometer and illuminated mute switch from ALPS; the potentiometer controls signals directly (without VCA or DAC circuitry)
- In contrast to digital volume controls which reduce the bit resolution at lower listening levels there is no degradation in sound with an analog volume control
- In contrast to passive volume controls which alter the phase and frequency response there is no alteration in sound with an active volume control
- High quality balancing stages with extremely good common mode rejection minimize interferences and disturbances in the signal paths
- Balanced XLR in- and outputs
- High quality balancing stages with extremely good common mode rejection minimize interferences and disturbances in the signal paths
- Massive, 45 mm diameter aluminum knobs ensure consistent, refined handling
- The elegant, compact housing allows for flexible desktop positioning near or under a computer monitor.
- A high quality power supply with toroidal transformer
SPL Volume 2 Stereo Volume Controller Specifications
- Inputs & Outputs
- Instrumentation amplifier, electronically balanced (differential), transformerless
- Nominal input level: +4dBu
- Input impedance: =22kOhm
- Output impedance: 600Ohm
- Max. input level: +20dBu
- Volume control range: -80dB bis -4dB
- Frequency range: 10Hz-100kHz (100kHz = -3dB)
- CMRR: >60dBu@1kHz
- THD & N (at +15dBu input level): >-100dBu
- S/N (A-weighted): -102dBu
- Crosstalk L/R (at 1kHz): >-80dBu
- Dynamic range: 120dB
- Power supply
- Toroidal transformer: 3,5VA
- Fuses: 250mA (230V), 500mA (115V)
- Voltage selector: 230V/50Hz; 115V/60Hz
- Power consumption: ca. 15W
- Dimensions: 215 x 80 x 220mm; 8.5" x 3.1" x 8.8"
- Weight: 1.6kg/3.52lbs
SPL Volume 2 Stereo Volume Controller Includes
- Volume 2 Stereo Monitor Volume Controller
- Power Cable
- Manual
- Two Year Warranty
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