ATI Audio Inc L200 - Compact Stereo Line Amplifier with Independent Gain Controls
- Price: $214.95
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CloseThis item is usually Drop Shipped from the MFR/Distributor within 7-10 days (subject to availability). Your order will be charged at the time of placing the order with the vendor.
The L200 from ATI is a compact, stereo line amplifier that can be used as a a gain block, an attenuator, impedance converter or signal splitter. Two screwdriver adjusted, full range gain controls provide 28dB gain at full clockwise rotation.
The input provides 40kΩ impedance for line levels up to +24dBm, while the high input-impedance also allows the unit to bridge -10dBu lines without loading.The servo controlled output drivers are ground-sensing circuits, and supply over +22dBm to 600Ω balanced loads, and +20dBu to high impedance, unbalanced loads.
The L200 is part of the NANOAMPS series, and is able to share a single external 24VDC power supply utilizing its built-in, loop-through DC connectors. A power supply is not included with this unit.
- Dual line/buffer amplifier
- Full-range gain controls provide 28dB gain at full clockwise rotation
- +22dBm low distortion outputs drive balanced or unbalanced 600Ω lines
- XLR input and output connectors
- Optional battery packs and DC to DC converters are available for portable use
| Frequency Response | 20Hz to 20kHz, +0.25dB |
| Noise Level | SNR: -90dBm, maximum output |
| Maximum Input Level | +24dBu |
| Maximum Output Level | +22dBm to 600Ω load |
| Input Connectors | 2 x XLR |
| Output Connectors | 2 x XLR |
| Input Impedance | 40kΩ bridging, balanced |
| Output Impedance | 40Ω, balanced |
| Dimensions (WxDxH) | 5.5 x 5.75 x 1.5" (138 x 146 x 38mm) |
| Weight | 1.5 lbs (0.7 kg) |
REVIEW SNAPSHOT®
by PowerReviews(based on 2 reviews)
Ratings Distribution
REVIEWS
Reviewed by 2 customers
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Displaying reviews 1-2
Pros
- Professional design
Cons
- Uses a wall wart
Best Uses
- Amateur Recording
- Events
- Home Studio
- Mobile DJ
- Performances
Comments about ATI Audio Inc L200 Stereo Line Amplifier:
We needed to drive a phone line hybrid from the output of a sound card. Although this only required one channel, this proved to be the ideal solution. We grounded the box and ran both input and output balanced. The gain was adequate as was the output although there was not much headroom left when driving a phone line.
Pros
- Accurate Controls
- Compact
- Excellent Sound
- Versatile
Cons
- Low output impedance
- Turn off thump a problem
Best Uses
- Blending buffer amp
- Mono summing amp
- Variable gain voltage amp
Comments about ATI Audio Inc L200 Stereo Line Amplifier:
The ATI L200 is a useful device.
Its main uses will be to buffer blended signals.
To place a mono signal in two independent outputs.
For use as a positive or negative gain stereo or mono voltage amplifier.
The L200 has two xlr balanced inputs and two balanced outputs.
It can provide up to 28 db of gain down to zero output.
Input impedance is 40 Kohm and output impedance 40 ohms which presented a problem that I had to solve.
The unit comes with a 24 volt DC power supply. There is a 24 volt DC output that can power another unit. Be careful if you do, the outside of the DC plug is hot!
I used my unit as part of my triamped dual aperiodically damped transmission line monitor speakers. These are a novel design of mine and are truly full range.
However the LFE signal which is mono needs blending with the signal from the low pass active filters which are stereo.
So I took the balanced LFE out from my Marantz AV 8003 pre/pro, to the left balanced input of the L200. I opened the unit up and moved the link to the mono sum position. Then I could blend the LFE output with the low pass outputs of the active crossovers from the two L200 outputs
However the low 40 ohm Zs output impedance drastically dropped the output from the low pass crossovers. So I had to modify the unit to increase the output impedance.
One other problem, when power is cut to the unit a large spike appears at input and output. The unit sent my Marantz into reset. So I have left the unit permanently on. The unit contains no on/off switch.
All in all the unit is nicely made, has excellent signal to noise in all modes except maximal gain where it is noisy. It would be better if it did not have a huge turn off thump, and had provision for a higher impedance output when used as a combining buffer amp.
However when all is said and done this is a useful unit, but for the price could be improved.
Displaying reviews 1-2
Batteries & Power
- Price: $48.95
This item is usually Drop Shipped from the MFR/Distributor within 7-10 days (subject to availability). Your order will be charged at the time of placing the order with the vendor.
What's in the Box
- One (1) Year Warranty
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