BHI Desktop MKII Altoparlante da base con cancellazione del rumore DSP amplificato 10 watt

Desktop MKII 10 watt amplified DSP noise canceling base speaker

Dramatically reduce noise and interference and hear more clearly!

The bhi DESKTOP MKII 10 Watt Amplified DSP Noise Canceling Basic Speaker removes noise and interference to leave clear speech. Works on all types of radios, transceivers, receivers and SDR radios, offering a new listening experience. The intuitive rotary controls make it very easy to use and configure to your operating preferences.

Excellent audio quality
The DESKTOP MKII speaker includes a 4" bass driver and 1" tweeter unit with an amplified bhi DSP noise canceling unit capable of producing up to 10 Watts of audio (peak).

Easy to use controls
The DESKTOP MKII speaker is easy to use with rotary controls for volume on/off and filter level on the side of the speaker.

Connections
The DESKTOP MKII speaker has two 4mm screw terminals on the back for mono signals at speaker level (4 or 8 ohms) and a 3.5mm "Line Level" stereo input socket suitable for use with SDR radios , Elecraft and FlexRadio products. There's also a 3.5mm headphone jack on the side of the speaker for mono or stereo headphones. 12V DC power is via the 2.1mm power socket (center +ve).

Filter level control
Noise cancellation is turned on and off by pressing the filter level control. By rotating this control you can change the filter level in real time to suit the current listening conditions.

Package contents
The DESKTOP MKII speaker is supplied with a 2.1mm fused DC power cable with bare ends, a 1.2 meter quality audio cable with a molded 3.5mm jack plug and 4" banana plugs mm and a complete user manual. A PSU12-2A-WW 12V DC worldwide power supply is available as an optional extra.

Using the DESKTOP MKII speaker
Simply connect the power cord and audio cable to the DESKTOP MKII speaker and radio, turn on the power supply and you're ready to go, adjusting the volume and filter level controls on the side of the speaker to suit your needs .

Click here for the excellent QST review of the DESKTOP DSP speaker in the March '15 QST magazine

Characteristics

• Quality 10 Watt Amplified Speaker with DSP Noise Canceling for Base Station
• Latest BHI DSP noise cancellation technology
• 4" bass drivers and 1" tweeter for excellent sound
• Works with most radios and receivers, including SDR radios
• Easy to use with intuitive rotary encoder controls
• Separate audio inputs for speaker level and line level
• Audio input level overload function
• Noise reduction from 9 to 40 dB (8 levels)
• 3.5mm headphone jack (mono or stereo headphones)

Specific:

DC power connector type
2.1mm DC power jack (center positive)
Input Voltage 12 to 18 Volts DC
Input current 10 mA in standby
125 mA active (no signal)
2.5A peak
Line level audio input
Connector type 3.5mm mono or stereo line level
Input voltage range 160 mV to 1.6 V peak-to-peak
Input impedance 10 kO (±2 kO) nominal

Speaker level audio input
Connector Type 2x 4mm Banana Socket/Screw Terminals (Mono)
Input voltage range 350mV to 3.5V peak-to-peak
Input impedance 8O (±2O) nominal
Rated input power 1.5W max

Audio output
Speaker output power 10W peak (18V supply voltage)
Bandwidth 50Hz to 4.3kHz
Volume Levels 16 levels (3 dB steps)
3.5 mm mono or stereo headphone output (8 to 64 Ohm)

DSP noise canceling filter levels
8 levels + off
Noise reduction from 9 dB to 40 dB
Tone reduction from 4 dB to 65 dB

Directions
Status LED Multi-color LED (red, amber, green)
Audio tones Power on, off, DSP filter level, volume and storage
Input overload indication.
Controls
Power/Volume Digital rotary encoder with push function
DSP level Digital rotary encoder with push function

Physical weight
1.90 kg (shipping weight)
Dimensions 200 (H) x 150 (D) x 160 (W) mm

Note: Elecraft K3 users: To connect the K3 via the supplied speaker cable, you need to make an audio cable with a 3.5mm stereo plug (only the tip connected) to a 3.5mm mono plug, or purchase one of our ALD-009 cables, or alternatively use a 3.5mm stereo plug to connect the cable and connect the K3 to the line input socket of the DESKTOP MKII speaker (ALD-007).