• Ideally suited as microphone amplifier – signal matching of tuner or tape outputs etc Google+

Tracking information for this order:

Wait

If you are an account holder, please log in and visit the order history page for more information.

I have an account »

What is B-Grade?

B-Grade includes used and unused returned products, end of line, slightly marked or refurbished products.

To ensure peace of mind each product comes with our 12 month guarantee having been fully tested by our team of in-house technicians.

What's even more attractive, all of the B-Grade products are reduced in price!

B GRADE IS ONLY AVAILABLE VIA THE WEBSITE

loading

If you've noticed an error on this page, please let us know. This form is not for after sales enquiries or technical support.

Error details:

You can submit a question to gain further technical information. Your question may appear on this page with the answer to help others.

Please make sure you enter a valid email address so we can get back to you.

Name

Email address

Your question

250 characters remaining

You've reached the character limit, please complete our contact form if you need to ask a more detailed question.

Terms & Conditions

K1803 Universal Mono Pre-Amplifier

code: VE21X

ONLY GBP£5.99

K1803 Universal Mono	Pre-Amplifier

VE21X

Zoom

Hover cursor over image above to zoom

  • Ideally suited as microphone amplifier – signal matching of tuner or tape outputs etc

Specifications:
Gain: typically 40dB. Adjustable output level
Frequency range: 20Hz to 20kHz (±3dB)
Max. input signal: 40mV
Power supply: DC 10 to 30V, regulated
one text, video or picture review per month will win a £50 gift card

Customer Reviews for K1803 Universal Mono Pre-Amplifier

Sort by:

There are no reviews to display.

Customer Questions about K1803 Universal Mono Pre-Amplifier

Sort by:

Q: Can this product be used as a preamp for a subwoofer?

Chris Knall - 24/02/2010

Maplin says: Yes the product does support that.

Q: Will this product boost the output of a CB handset to line level?

pj - 30/01/2010

Maplin says: No sorry this product does not support that.

Q: Does this kit include 3.5mm sockets?

Roger Wollin - 26/01/2010

Maplin says: This is not included

Q: Hi - is the output of this unit at line level?

Colin Giles - 09/08/2009

Maplin says: Yes, this product outputs at line level.

Q: Is this item ROHs compliant?

Larry Hall - 16/01/2008

Maplin says: This does not fall in the ROHs ratings.

200W Power Amplifier

• Excellent value for money amplifier kit • Fully discrete design using Epitaxial Darlington transistors • DC supply circuit on board with LED indication • Ideal for active speaker system or subwoofer, guitar amp, home theatre systems, instrument amp, etc • Comes complete with transistor isolators, spacers and bolts • Overload and short-circuit protection

only £14.99

more info »

K4001 7W Amplifier

This small amplifier is constructed around the TDA2003 IC, capable of delivering 4W rms. The IC is completely thermally and short-circuit protected. A conventional DC supply can be connected as supply. Overload and short-circuit protected.

only £7.99

more info »

Shop With Confidence

We offer a 28 day returns policy. We want our customers to be 100% satisfied every time they shop with us, should you change your mind we are here to help.

If you are not completely satisfied with your purchase, you can return the item to us in its original condition within 28 days of receipt and we will issue a full refund, or replace the item, if preferred.

We offer two ways to return a product either visit any one of our stores nationwide or by post which ever you prefer. For further information about our returns policy visit our help page if you wish to return an item please visit our returning an item help page.

Delivery Options

United Kingdom Options

Price Option Delivered
FREE Reserve for store pickup Ready for collection within 20 minutes✝
FREE all orders over £35 1-3 working days
£2.99 all orders under £35 1-3 working days
£Variable Shutl Now ASAP within as little as 90 minutes***
£Variable Shutl When Delivery within a 1 hour time slot on a date you choose✝✝
£5.99 Next working day – anytime 6pm*
£10.00 Next working day – noon Midday*
£13.50 Next working day – am before 10.30am*
£15.00 Saturday Delivery before noon**

Republic of Ireland Options

Price Option Delivered
£8.50 Standard delivery 2-3 working days

Rest of World Options

With regret we are unable to ship to any other destinations at this time

✝ We will confirm to you by email/text message when the store has reserved the items for you. Reserved items will be held at the store until the end of the next working day after you receive notification. If the store is closed your request won't be processed until the next time they're open.

* Please ensure that your order is completed before 4pm the day prior to delivery needed (Mon-Fri)

** Saturday deliveries can only be placed before 4pm on the Friday before the scheduled Saturday delivery.

*** The Shutl express delivery service is only available if your order meets certain requirements. If it's available it will be displayed as a selectable delivery option during checkout.

✝✝ Date selection is limited to 14 days in advance including the current day. Selectable time slots are 1 hour long and vary depending on the date and delivery address.

Shop Your Way

Order Online

Browse and purchase from our entire range.

Buy Instore

From any of over 190 stores nationwide

Reserve at Store

Order, confirm and collect at your nearest store

On Your Mobile

Download our App for your iPhone or use our mobile site

Order By Phone

Friendly staff waiting to help on 0844 557 6000

Home Delivery

Order in store or online and we'll deliver the item to your home or office

The prices below are per item and exclude VAT.

VE21X Mono Pre-amp (1+) £4.992

If you require a price for a larger quantity than shown above:

Contact B2B Team »

Why not tell us and our B2B sales team about your specific business needs and expectations?

Offering a 1-2-1 personal account management service each representative is able to help you ensure the service from Maplin meets your approval on all levels every time.

As well as being able to help you benefit from volume quotations and bespoke product sourcing our team also offers a wide range of business services including:

  • 30 Day EOM credit terms available on application
  • FREE delivery on all orders above £35
  • A range of guaranteed delivery services to ensure your goods are with you to meet those tight deadlines
  • Proforma Invoices
  • Scheduled and forward ordering system
  • Product branding and bespoke product sourcing available on application
  • Online and in-store account use
  • 5% discount for all schools and colleges
  • 7% discount for all universities
  • Sample product service – available on application
  • Supplier cross-referencing and BOM quotations

As you can see, our range of services is comprehensive and built to service every type of business need. We are committed to providing your business with 1st class sales and customer service.

Our aim is to establish mutually beneficial long-term relationships where our customers receive a high class of reliable service.

Please contact us on 0844 557 6000 to discuss your business needs with your individual account manager.

Error

Sorry, there was a problem.

An error occurred when processing your request.

Please try again.

close »