Magenta Bat4 Bat Detector
This heterodyne detector makes an ideal economical introduction to bat detecting. The large frequency dial has top illumination and evenly spaced frequency markings for ease of use. Specially contoured microphone housing provides enhanced high frequency sensitivity. Easy operation with one hand. Built-in LED torch, low-distortion loudspeaker, headphone socket, line-out (recording) socket. 4 AAA alkaline batteries. 2-year manufacturer guarantee.
Features
Custom moulded case in compact efficient design
Front-facing low-distortion Mylar loudspeaker
Specially contoured microphone housing for enhanced high frequency sensitivity
Uses 4 x AAA alkaline, NiCd, or NiMH rechargeable cells/li>
Low power design gives very long battery life
Top illuminated large diameter frequency dial
Conveniently placed output sockets on the bottom edge of the case
Constant level recorder output socket
Headphone socket automatically mutes loudspeaker
Built-in bright LED torch
Edgewise volume and frequency controls give easy operation with one hand
Wrist strap for added security and convenience when taking notes
Technical Details
Highly linear heterodyne oscillator for easy frequency setting
Evenly spaced frequency markings from 15 to 130 kHzg
Multi-stage active filters for stable loudspeaker operation over the whole frequency rangeg
Fixed level recorder output socket - before the volume control - simplifies recordingg
Headphone socket suitable for any stereo headphones from 8 ohms upwardsg
Short circuit proof headphone outputg
Wide range equalised microphone - sensitive across the whole frequency rangeg
Low noise circuit techniques optimised for wide bandwidth with minimum noise
