Description
AM transmitter with DSP processing, PWM modulator and DDS frequncy generator
While for many mentioning AM transmitters brings back childhood memories, these are actually still used widely in some countries. Besides, AM can be lots of fun to play with. Long wire antennas, different signal propagation (even worldwide), the nostalgia that comes packed with it… well, it is something very different in this modern age.
Our old AM MAX units sold out many years ago and for a long time we wanted to make a new AM transmitter, this time with different, more modern approach, with new better parts and better specs. And we finally did. It is equipped with DSP which makes it possible to control parameters of the audio chain, such as the compression, low pass audio filter cut frequency and preemphasis via convenient LCD with menu system. Other features, such as the fully solidstate PWM modulator which ensures crisp audio, 125% positive peak modulation, compact form factor, plenty of audio input options and LCD display unit make AMMAX8000+ really something special in this modern age.
Technical specifications:
– Peak RF Output Power 500W model: >500W
– Peak RF Output Power 1000W model: ~1000W
– Peak RF Output Power 1000W model: ~2000W
– Output connector: 7/16 female
– Output Impedance: 50 Ohms
– Frequency Range (MW version): 540-1710KHz
– Frequency Range (SW version): 1-50MHz (Specify 3MHz segment), power may vary depending on frequency
– Frequency Range (shortwave version): 160m, 80m, 40m (other SW bands also available, please ask)
– PLL Steps: 1KHz
– Frequency stability: +/- 50Hz
– RF output: Harmonics: -50dB, Spurious: -60dB
– Power Supply 500W model: Mains 110V-240V/50-60Hz
– Power Supply 1000W and 2000W models: Mains 220V-240V/50-60Hz
– Filter is adapted to your band for best performance
– Audio performance: compressor, low pass filter, limiter, treble, bass adjustment
– RF output ruggedness: > 2:1 VSWR
– Modulation: AM (CW input on-board. TTL 5V for disable)
– Size: 500W 2H rack
– Size: 1000W 3H rack
– Size: 2000W 3H rack
– Audio input: accepts either mono or stereo signal (transmission is mono)
– Audio connectors: XLR, RCA and USB audio input
– DRM support: On-board jumper can disable DSP processing which is great for DRM modulation
– Modulation: AM, >125% positive mod, PWM modulator
Isotron 225HP antenna specifications :
Dimensions: H x W x D: 235″ x 16” x 15”
Bandwidth: 40 KHz*
Radiation resistance: 50-75 OHMS
Frequency: 1.35-1.599KHz
Maximum output power: 1000W CW, AM, FM, RTTY
Wind loading: 1.7 Square feet
Radiation pattern: Omnidirectional
Weight: 13LBS
*BW is within 2:1 SWR. Will vary with environment.
Isotron 400HP antenna specifications :
Dimensions: H x W x D: 324” x 12” x 15”
Bandwidth: 40 KHz*
Radiation resistance: 50-75 OHMS
Frequency: 1.0 – 1.349KHz
Maximum output power: 1000W CW, AM, FM, RTTY
Wind loading: 2 Square feet
Radiation pattern: Omnidirectional
Weight: 20LBS
*BW is within 2:1 SWR. Will vary with environment.
Isotron 600HP antenna specifications:
Dimensions: H x W x D: 456” x 12” x 15”
Bandwidth: 40 KHz*
Radiation resistance: 50-75 OHMS
Frequency: .5 – 0.99KHz
Maximum output power: 1000W CW, AM, FM, RTTY
Wind loading: 2 Square feet
Radiation pattern: Omnidirectional
Weight: 32LBS
*BW is within 2:1 SWR. Will vary with environment.
What is included:
– CyberMaxAM+ transmitter in 2H rack
– Audio input board + AMMAX8000+ are installed inside
– Mains power supply is included inside as well
Optional parts for servicing or upgrade:
– Audio input board for service replacements (look for it under 100W model)
– AMMAX8000 boards for service replacements (look for it under 100W model)
– Ethernet control + Barix IP audio + MP3 playout is an upgrade for IP audio or MP3 playback
– AES/EBU digital input board adds AES/EBU digital audio input (one of the XLR connectors can be switched to AES/EBU via LCD display)
What is the Barix audio streaming with MP3 playback option?
– Barix instreamer with STL (Studio To Transmitter link) upgrade lets you play audio from remote IP audio streams via Ethernet or Internet. There is also automatic MP3 playback from USB that starts whenever there is no active IP stream. It can be used to playback MP3 audio from USB key with included playlist.
Lead time for 1000W model:
– Currently about 7-14 days
Lead time for 2000W model:
– Currently about 14-30 days
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