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Workshop conversion of a compatible ACOM amplifier's internal power supply for operation from 110V mains, intended for customers in the USA and other countries using 110–120V mains supplies.
Purchase with your ACOM amplifier
This modification is intended to be ordered at the same time as a new or used ACOM amplifier purchased from ML&S. Our workshop will convert the amplifier's built-in mains power supply to the required 110V configuration before the amplifier is despatched.
Once the 110V conversion has been completed, the cost of this modification is non-refundable. Please ensure you require the 110V version before placing your order.
ACOM 110V Conversion Service
ML&S workshop modification for compatible ACOM amplifiers purchased from us, converting the internal mains configuration for operation in countries using nominal 110–120V supplies.
| Service | Internal mains power-supply conversion |
|---|---|
| Configuration | Amplifier configured for nominal 110–120V mains operation |
| Intended markets | USA and other countries using nominal 110–120V mains supplies |
| Purchase requirement | Intended to be purchased alongside a new or used compatible ACOM amplifier from ML&S |
| Refundable | No, once the workshop modification has been completed |
This is considerably more involved than changing a plug
ACOM's own mains-conversion procedure requires the amplifier to be opened and work to be carried out around its internal high-voltage power supply.
The amplifier contains voltages of up to 3000 V DC, which ACOM specifically describes as potentially lethal. Residual voltage may remain inside the amplifier even after it has been disconnected from the mains.
What the official conversion procedure involves
The mains lead and all other cables must be removed before work begins.
ACOM specifies a minimum waiting period of 30 minutes before the amplifier cover is removed.
The chassis has to be opened to gain access to the internal mains and high-voltage sections.
The internal safety mechanism must be checked to ensure the high-voltage circuit remains safely connected to chassis ground while the amplifier is open.
The mains-voltage selection system is located internally alongside the amplifier's high-voltage transformer and power-supply circuitry.
The internal link configuration has to be changed to the correct arrangement for the required supply voltage. ACOM provides different configurations for 100, 110, 120, 200, 210, 220, 230 and 240V operation.
The mains fuse rating must also be checked and changed where required for the lower-voltage, higher-current mains configuration.
The cover must be correctly refitted before the converted amplifier can be powered and tested.
And there is another good reason to let us do it
Opening and modifying a new amplifier yourself will void its warranty. When this conversion is ordered with an amplifier from ML&S, the work is carried out by our workshop before despatch, so you receive the amplifier already configured for the required mains supply without having to open or modify it yourself.
The outline above is provided to explain what is involved in the conversion, not as a DIY service procedure. ACOM specifically recommends entrusting the work to a dealer if you are not experienced and completely confident working on high-voltage amplifier equipment.
Shipping:
We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.
Returns:
If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:
Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.
Warranty Terms and Conditions
Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.
For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.
International Warranty information
Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]