Adastra US90 Compact 100V Slave Amplifier
Product Features
- Good for adding power or an extra zone to an existing PA or background music system.
- 90W, 100V Line or 8 ohm.
- Size 330 x 210 x 44mm.
- In the box: US series slave amplifier, IEC power lead(s), Rack-mounting hardware.
- Full specification, manual and FAQs below. UK delivery.
Adastra US90 Compact 100V Slave Amplifier
The Adastra US90 Compact 100V Slave Amplifier is a power amplifier from Adastra's commercial audio range, with 90W of output and works on 100V line or 8 ohm systems.
Good for: adding power or an extra zone to an existing PA or background music system.
Stock code 953.199UK, model US90.
Key features
- Note: Can expand an existing 100V speaker system directly from the speaker cable
- Supplied with hardware for rack-mounting 2 units
- 100V input for connection in parallel with existing 100V speakers
- 24V fire alarm mute contacts
- 100V line or 8 Ohms operation
What you also need
A signal from a mixer, mixer-amplifier or music player (see mixers and audio sources), speakers to suit and speaker cable.
Technical specification
| Model | US90 |
|---|---|
| Stock code | 953.199UK |
| Type | Power Amplifier |
| Output power RMS | 90W |
| Dimensions | 330 x 210 x 44mm |
| Weight | 2.40kg |
| Power supply | 170-264Vac, 50Hz (IEC) |
| Amplifier construction | Class D + transformer output |
| Inputs | Line (RCA), 100V (Euroblock +/-) |
| Line output | 2 x RCA (mono) |
| Speaker outputs | Euroblock terminals: 100V / 8 ohms / Com |
| Mute | 24V relay contacts |
| THD | <0.4% @ 1kHz |
| Input impedance | 1k ohms |
| Input sensitivity | -10dB (line) |
| SNR | 80dB |
| Frequency response | 100Hz - 18kHz |
| In the box | US series slave amplifier; IEC power lead(s); Rack-mounting hardware |
| Downloads | Instruction manual (PDF) | UK declaration of conformity (PDF) | EU declaration of conformity (PDF) |
Related Adastra products
Adastra US60 Compact 100V Slave Amplifier, Adastra V-122 Mixer-Amplifier 100V with DAB+/FM/USB/SD/BT, Adastra UX240 Compact 100V Mixer-Amplifier 240W, Adastra DM40 Digital 100V Mixer-Amplifier 40W, Adastra RM60D Mixer-Amplifier 100V BT/DAB+, Adastra RM406 Mixer-Amplifier 100V 6 x 40W + USB/SD/FM/BT.
Common questions
How many speakers can I run from it?
Add up the tapping you set on each 100V speaker and keep the total below 90W, ideally with about 20% spare. For example, 12 ceiling speakers set to 6W each.
Can it go in a rack?
Yes. Rack-mounting hardware or ears are listed with it.
Do you deliver and can I get advice?
Yes. We deliver nationally across the UK, normally in 1 to 2 working days for items in stock. Call 01902 902251 or email sales@zenithsecurityco.co.uk and we will help you choose.
Supplied by Zenith Security Co, Wolverhampton. Website zenithsecurityco.co.uk, call 01902 902251 or email sales@zenithsecurityco.co.uk. We ship nationally: orders placed before 2:30pm are normally dispatched for delivery within 1-2 working days to England, Scotland and Wales when in stock. Delivery is charged at checkout.
Browse the full Adastra range, more amplifiers, or all audio systems.
| Product Code | 953.199UK |
|---|---|
| Brand | adastra |
| Product Type | Power Amplifier |
| Power | 61 to 120W |
| Speaker Type | 100V Line or 8 ohm |
| Zones / Channels | 1 |
| Bluetooth | No |
| Wall / Ceiling / Mounting | Rack |
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