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User Manual for TeachLogic IMA-820 Spectrum III 4-Channel Receiver Amplifier Base Station with Switching Power Supply Click to enlarge the picture
Contents of the user manual for the TeachLogic IMA-820 Spectrum III 4-Channel Receiver
- Product category: Assistive Listening Systems TeachLogic
- Brand: TeachLogic
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for TeachLogic Assistive Listening Systems
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User manual for the TeachLogic IMA-820 Spectrum III 4-Channel Receiver contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any TeachLogic product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official TeachLogic user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a TeachLogic product will considerably shorten its lifespan!
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Product description The IMA-820 Spectrum III 4-Channel Receiver / Amplifier Base Station with Switching Power Supply from TeachLogic features four auxiliary inputs, dual IR receivers, page pass-through, and a 100W amplifier. This receiver has 100W of power for large rooms or rooms with high ambient sound levels. It helps create a good intelligible learning environment over a large area with up to 8 ceiling or wall speakers (available separately).
The four auxiliary inputs provide multimedia integration with even distribution of sound for all audio in the classroom. The unit also features RS-232 wall panel control of the line inputs, fire alarm connection (AC or DC), remote teacher security alert, teacher priority with instant attenuation of the line levels via Sapphire IRT-60 pendant mic (available separately), DFG (Digital Feedback Guard), and switchable anti-hum circuit on the computer input. - Sound-field system for large rooms
- Dual infrared wireless microphone receivers
- Power Amplifiers: 100W total RMS power; four 25W digital hybrid Class D amplifiers
- Security alert contact connection
- Fire alarm input AC or DC from 5 to 24V
- Page over-ride (muting) with page pass-through to classroom speakers; 100V, 70V, 25V input level
- Four line inputs for DVD, computer, MP3, and Aux
- Auxiliary input features mic or line level switch
- Anti-hum computer balun (On/Off switch)
- Front panel auxiliary input for MP3 (3.5mm)
- DVD input via dual RCA on rear panel
- 3.5mm Aux and computer input on rear panel
- 3.5mm lesson capture output with level control on rear panel
- 3.5mm ALS output with level control on rear panel
- DFG (Digital Feedback Guard)
- Remote teacher priority over line inputs
- Power sleep mode to conserve energy
- Drop-in charger connection (5VDC, USB)
- Powers up to 8 speakers (not included)
- Rack or shelf mountable using optional kits (not included)
In the Box TeachLogic IMA-820 Spectrum III 4-Channel Receiver / Amplifier Base Station with Switching Power Supply Limited 5-Year Warranty Table of Contents
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Technical parametersTeachLogic IMA-820 Specs | Receiver Input | Infrared FM | | Modulation | FM Wide-band | | Reception Frequencies | Channel A: 2.08 MHz
Channel B: 2.54 MHz | | IR Wavelength | 850 nm | | Tone Signal | Channel A: 32.768 kHz | | De-Emphasis | 50 µs | | Frequency Response | 40 Hz, -18 kHz, ± 3 dB | | S/N Ratio | > 65 dB | | THD | < 1% @ 1 kHz | | Nominal Deviation | ± 10 kHz | | Maximum Deviation | ± 25 kHz | | Sensor Input | External: 2 x RCA | | Connectivity | Coverage: 1,600 sq. ft | | AUX Inputs | 4 x Aux
Line Level
1 x Dual RCA
3 x 3.5mm
1 x Anti-hum | | Line Output | Lesson capture, 3.5mm with gain control, front panel ALS, 3.5mm with gain control, rear panel | | Page Over-Ride | Input:100V, 70V, 25V, 3-pin Phoenix | | Sensitivity | Level control | | Security Alert | Contact closure N/O, N/C | | Fire Alarm | 5 to 24 VAC/VDC | | Equalization | 5-Band ±12 dB | | Output Power | 4 x Amplifiers, 25 W each (RMS) 100 W total (RMS) | | Output Impedance | 4 Ω | | Output Connection | 2 x Phoenix connectors | | Charger Output | 5 VDC, USB | | Power Supply | 19 VDC / 6.3 A | | Certifications | CE, CSA, and UL listed | | Dimensions (W x H x D) | 8.5 x 1.7 x 7.5" (215.9 x 43.1 x 190.5 mm) | | Weight | 2.20 lb (0.99 kg) |
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