Kalmus LA500V
Kalmus RF Amplifiers.
- Model
- Kalmus LA500V
- Calibration
- Available on request
- Price
- $4,800
- Status
- In stock
- RFQ ref
- LA500V
This unit
The Kalmus LA500V is a Class A linear RF power amplifier engineered for critical test, measurement, and communication systems demanding exceptional linearity and stability. This dual-cabinet system delivers 500 W forward power with ±0.5 dB automatic level control and unconditional stability across all load conditions, including infinite VSWR. Modular construction with removable sub-assemblies enables field maintenance while premium components ensure reliable operation in demanding environments.
Technical Specifications Electrical Performance
Class of Operation: Class A linear
Gain Flatness: ±2.0 dB unleveled; ±0.5 dB leveled
Automatic Level Control: ±0.5 dB for 10 dB input change
Harmonics: -13 dBc minimum
Spurious Outputs: -70 dBc (V) minimum, -90 dBc (VM) minimum
Duty Cycle: 100%
Primary Power Required: 95 to 265 VAC, 47–63 Hz, 2.0 kVA maximum RF Characteristics
Input/Output Impedance: 50 Ohms
VSWR Tolerance: Withstands infinite VSWR without shutdown
Connectors: Type-N female
Front Panel Meter: Dual-scale analog (0–500 W forward/reflected power)
Key Features
Unconditionally stable across all terminations
Over-temperature and VSWR protection with status indicators
Operating temperature range: -10 to 40 °C
Forced-air cooling via tube-axial fans
Formed aluminum construction with clear, chemically treated cabinet covers
Remote Control & Integration 25-pin D-subminiature connector provides remote control of RF gain, ALC, reflected power set point, AC line and RF control, meter selection, ALC speed, and VSWR reset. Optional IEEE 488.2/RS232 interface module available for system integration.
Physical Configuration Two 19-inch rack-mount cabinets: Amplifier module (83" H × 19" W × 21.5" D, 74 lb) and Power Supply/Control module (53" H × 19" W × 17.5" D, 36 lb).
Specifications
| Parameter | Value |
|---|---|
| Voltage / Current Range | 2.0 kVA maximum, 47–63 Hz, 95 to 265 VAC |
Kalmus LA500V — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Kalmus LA500V. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Kalmus LA500V price
This Kalmus LA500V is listed at $4,800. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Kalmus LA500V calibration cost
NIST-traceable calibration for the Kalmus LA500V is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
