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The MM7055 is a powerful amplifier that excels in home theatre setups, providing exceptional musical clarity and ample power.
Peter Tyson Warranty Information
All the information below is valid for purchases made on or after 01/01/2022. For purchases made before this date, the warranty details will be provided on your sales receipt or can be obtained by getting in touch with our Customer Service Department.
Please note: Our free extended warranties are only available for brand new products purchased directly from our website. Any purchase made through any other selling platforms will be subject to the Standard Warranty Period only.
The list below indicates the standard warranty period supplied by each manufacturer along with which products are covered by our free 5 Year extended warranty. In the event of a claim, Peter Tyson provides and administers the extended warranty. This extended warranty is on the same basis and terms as the manufacturer’s original warranty, where possible using the same official service providers, giving you total peace of mind for the extended warranty period. In the event of a claim, please contact Peter Tyson in the first instance. Claims for work done by others won't be accepted unless previously agreed.
Please note: We may run promotions and offer longer warranties than advertised below. These will be detailed on the individual product pages and will also be visible on your order invoice.
Should you wish to contact the manufacturer direct for any reason, we have also provided this information within the associated brand sections.
Any extended warranties offered by Peter Tyson are free. We do not include any form of insurance terms such as accidental damage or loan equipment cover.
Warranties can only be fulfilled to goods purchased and delivered within the UK. In order for us to conduct a Warranty claim for goods taken outside of the UK, the goods will have to be returned at your own expense. Alternatively, you can make the goods available for collection at a UK address. This also applies to goods delivered to shipping companies. Subsequent to a successful warranty claim, goods can only be re-delivered to a UK address.
Free warranties provided for TVs, are provided by the Manufacturer/Supplier, and are bound by their own individual terms and conditions. If you need further clarification, please contact us.
All Peter Tyson Extended Warranties are only valid for the original purchaser and are not transferable.
If you have a fault with a product, please click here to see our Service and Returns Policy or click here to contact our Customer Service Department.
Delivery Information
Click here to see delivery information for televisions and larger floorstanding speakers.
At Peter Tyson we pride ourselves on prompt, efficient delivery. Please note that the daily cut off time for all next day delivery services is 3pm.
As standard, items are dispatched on a next working day service. If ordered before 3pm, your goods will be dispatched the same day. This is subject to stock availability and excludes weekends. For an additional fee, early weekday delivery options are available. These options are presented at checkout. See below for further delivery options.
Orders placed before 3pm on a Friday will be delivered the following Monday, unless you have selected a weekend delivery option. Orders placed after 3pm on a Friday will be despatched the following Monday.
Next day deliveries are applicable to the UK mainland and are free of charge unless stated. Orders under £100 will carry a £5.00 next working day deliver surcharge. We do not deliver our goods outside of the UK.
Unfortunately, due to their fragile nature, we cannot accept TV orders for delivery to none UK mainland postcodes - see the list of excluded remote and off-shore postcodes below. All other items to these regions carry courier imposed surcharges of £20 for the first two items, plus £8.50 per additional item* and are subject to a 2-3 working day delivery service.
To ensure reliable, undamaged delivery of televisions - TVs will be shipped with Fedex and for larger TVs, our 2 man delivery service with BJS rather than with our standard next working day courier.
*Where possible, if additional cables or selected small accessories are ordered along with a main product over £100, we will always try to send the additional cables at no extra charge.
Saturday & Sunday Service: Please Note DPD only collect from us on weekdays (Mon - Fri) - We are unable to dispatch orders on Saturday or Sunday.
The order cut-off time for weekend deliveries is Friday 3pm.
If you have urgent or specific delivery needs, please contact us before ordering.
ORDERS UNDER £100
Orders under the value of £100 will be dispatched on a Next Working Day service via DPD with a £5.00 delivery surcharge.
ORDERS OF £100 AND OVER
Dispatched via DPD on a next working day delivery service. You can upgrade to a time or weekend delivery - see below for details.
*Remote & Offshore Locations Exempt
UPGRADED DELIVERY
Before 12:30pm - Next Working Day Delivery
Up to 2 boxes - £15.00 Each additional box - £5.00
NB: Remote & Offshore Locations Exempt.
Before 10:30am - Next Working Day Delivery
Up to 3 boxes - £20.00 Each additional box - £5.00
NB: Remote & Offshore Locations Exempt.
Saturday and Sunday Delivery
Up to 2 boxes - £15.00 Each additional box - £3.00
NB: Remote & Offshore Locations Exempt.
Television, Appliances, and Larger Speaker Deliveries
Please note: Large TV, large appliances, and larger floorstanding speaker deliveries are not available to Northern Ireland, Republic of Ireland, Isle of Man, Isle of Wight, Scottish Islands, and Channel Islands.
BJS - Two-man delivery for large TVs and Appliances
Our larger TVs and large appliances (excluding American Fridge Freezers) are delivered by our two-man, white glove specialist courier to your door - BJS Two-Man.
Your consignment will be sent on a 2 day delivery service (for orders placed before 3pm, Monday to Friday). Deliveries are made via BJS Two-Man between the hours of 07:00 and 21:00, and are delivered to your door only (ground floor deliveries only).
Upon Despatch, BJS Home Distribution will contact you via email or text to confirm the date and day of delivery. You will receive an automatic 3 hour time slot the night before delivery. The driver will call you 30 minutes to 1 hour prior to arriving on the day of delivery.
Upon delivery, please ensure all packing of items are carefully checked before signing. All damages need to be reported to Peter Tyson within 2 working days of delivery. Once a delivery has been confirmed, if it is then cancelled or if nobody is there to take delivery, additional charges may apply for re-delivery.
Deliveries are Monday to Friday only, UK mainland regions only. TVs are dispatched free of charge to UK Mainland postcodes (see below for exclusions) and Large Appliances are charged at £35 per item with BJS.
Please note: We only offer our standard BJS delivery service to ground floor properties and blocks of flats with a working lift that is large enough and has sufficient weight capacity to accommodate the ordered goods. Our ground floor room of choice deliveries can include a maximum of 2 flights of stairs where a lift is not available. Any items which are 85kg or over, will be delivered to ground floor only. Please call us if this affects your order, as undelivered products caused by this problem, will incur a redelivery charge.
Fedex - Free 2 weekday delivery
Generally, television purchases of 50" and below will be transported via Fedex, although there may be some exceptions. All items sent out with Fedex (for orders placed before 3pm) are on a 2 working day service or with the chargeable upgrade to a next working day service for £20 per order. Next working day and 2 working day deliveries are Monday to Friday only. A Saturday service is available for orders placed before 3pm on Friday, charged at £30 (plus £20 per additional item) and will be presented as an option at the checkout.
Fedex will send you tracking information via email which can be tracked online.
Palletforce - 2 weekday pallet service for American Fridge Freezers
Due to their size, American Fridge Freezers are sent with Palletforce on a 2 working day, kerbside delivery service. Delivery is only available from Monday to Friday (there is no weekend delivery option), and the order cut-off time for same day dispatch is 3pm on Monday to Friday (subject to stock). Palletforce deliveries are limited to UK Mainland postcodes only (see Restricted Postcodes below), and delivery is charged at £80.
Appliance Delivery Information
Below you will find the delivery information regarding appliance size/type and geographical location.
Large Appliances - (Washing Machines, Dishwashers, Fridge Freezers etc).
Free Local Delivery Service (Cumbria, SW Scotland and NE England*) 2-3 working days.
Within our free delivery service, we will deliver the product to a valid address and we will carry the product into a room of the customer’s choice providing it is straightforward and feasible safe for us to do so. Our delivery engineers reserve the right to refuse delivery to a particular room if it is not straight forward. In these instances, we will leave the product in a convenient place.
Also, in addition to delivery to these local postcodes we can offer an Installation and Recycling service (Selectable at the Checkout) these are charged at £39.99 for Standard Installation and an additional £20 for Recycling.
Our Installation service:
✓ Disconnect the existing appliance ✓ Un-box the new product and remove the transit bolts ✓ Connect your appliance to a suitable water supply within 1.5 metres of your product and an electrical socket ✓ Connect the waste hose to suitable spigot, down pipe and existing waste connections ✓ Level the appliance and check that it’s fully working and operational ✓ Take the packaging from your new appliance away. If you add recycling to your order, we will also take your old appliance away for recycling
Our Installation Service only includes connecting to existing points and fixings. This does not include installing or moving plumbing, connection points or electrics. Installing new points or moving existing points is the customer’s responsibility we can recommend local tradesmen however this will be at the customer’s expense and we not accept any liability for their work.
Unfortunately, our Installation Service excludes all gas appliances. It is the customer’s responsibility to find a gas safe engineer to connect the appliance. Any work conducted by a third part gas safe engineer will be at the customer’s expense and we will not accept any liability for their work.
We do provide installation options for built-in appliances providing it is simply a case of fitting the appliance and furniture doors. Any additional work to the kitchen units or carpentry work required will need to be completed at the customer’s expense.
In the vast majority of cases we will not be able to install the cabinet doors to built-in laundry products as the fittings very rarely match up. We will try our best however if we are unable to do this we will still install connect to plumbing and put the appliance in situ.
Our Installation prices do not include installation of commercial appliances or installation within commercial premises. These services are available but would be subject to site survey and prices would need to be calculated and quoted accordingly.
We reserve the right to refuse installation should our engineers think that the existing electrical or plumbing points are unsafe and in need of maintenance or if they are unable to install to existing furniture.
If you have urgent or specific delivery needs, please contact us before ordering.
All Delivery times are subject to stock availability.
The following postcodes have further courier restrictions and are only available on a 2 to 3 working day service at a charge of £20 for the first two items, and an extra £8.50 per additional item. These are also the excluded postcode regions for television deliveries.
TR21, TR22, TR23, TR24, TR25
ZE1, ZE2, ZE3
ZZ71, ZZ75
Enjoy 0% interest for up to 36 months
What is PayPal Credit?
PayPal Credit is like a credit card, without the plastic. It's a credit limit that's attached to your PayPal account which you can use for your online purchases
What credit offers are available?
If your basket is eligible, a selection of instalment offers will be displayed enabling you to spread the cost of your purchase across a number of monthly payments.
The MM7055 is a refined amplifier with ample power for the most demanding home theatre setups and delivers exceptional musical clarity.
Key Features
• Classic Design
• 5 Channels
• 140 Watts per Channel
• Class A/B Amplifier
Cool Machine, Warm Sounds
Physically, the MM7055’s output stages mount on an extruded aluminium “thermal tunnel” for efficient heat dissipation.
The Many Faces of Excellence
In practical terms, the MM7055 is ideal for a “5.1” home theatre system, whether based on a moderately powered receiver or a surround sound processor.
More Marantz Power
A massive power supply includes a multiple-secondary EI-core transformer and over 65,000 µF of custom-designed energy storage capacity.
Sound Master Tuned
The Marantz Sound Master meticulously tuned MM7055 for amazing performance with careful parts selection to create the Most Musical Sound in your home.
Flexible Connections
Balanced inputs and single-ended RCA inputs are both supported, and you can choose either type of input for each channel, individually, for easy and flexible connectivity. Audiophile grade, gold-plated four-way binding post speaker terminals insure tight connections to your choice of speaker wire.
MM7055
Features
Channels
5
Current Feedback Topology
Yes
Phono EQ: Standard / Current Feedback / Constant Current Feedback
No / No / No
HDAM version
No
Power Transformer: Toroidal / El
No / Yes
High Grade Audio Components
Yes
Customised Components
Yes
Symmetric PCB Layout
No
Aluminium extrusion heat sink
Yes
Copper Plated Chassis
No
Tri Tone Control (Bass / Mid / Treble)
No
Balance / Bass / Treble / Loudness
No
Others
Linear Drive Power Supply
Yes
CCNE
No
Liniear volume control
No
BTL Possibility
No
BI-AMP and Multichannel option
No
Choke input
No
Shottky diodes
No
Input buffer amp (all inputs / CD only)
Yes / No
Separate Solid Heat Sinks
No
System block shielding: Copper / metal / none
No / No / No
Double Layer Bottom Plate
No
Low noise LCD display
Yes
Low noise LED display
No
Power Metre : Analogue / Digital
No / Yes
Source Direct
No
Power Amp direct
Yes
Standby Mode
Yes
5mm aluminium top plate
No
Inputs/Outputs
Audio Inputs
No
Phono Input: MM / MC
No
Audio Outputs
No
Balanced In / Out
5 / No
Pre-out / Main-in
No / 5
Power Amp Direct IN
No
Gold Plated Cinch
No
Speaker A / B
No
Speaker Terminal: Screw / Marantz / WBT
Yes / No / No
Number of terminals
5
D-Bus
Yes
Floating Control Bus (3.5 mm mono jack x 2)
No
Remote Power Control Trigger - In Out
Yes
Flasher In / IR Receiver In
Yes / No
Headphone Out
No
iPod input (direct / docking station)
No / No
Specifications
Power Output (8 / 4 Ohm RMS)
140 W / 170 W (6)
Power Output (8 / 4 Ohm DIN)
No
Power Output (8 / 4 Ohm IHF)
No
Bridged Power Output (8 Ohm RMS)
No
Frequency response
8 Hz-100 kHz (+-3 dB)
Total Harmonic Distortion
0.03% (20 Hz - 20 kHz)
Damping Factor
100
Input Sensitivity: MM
No
Input Sensitivity: MC
No
Signal to Noise Ratio: MM/MC
No
Input Sensitivity: High level
1.2 V / 22 K
Input Sensitivity: Balanced High level
2.4 V / 30 K
Signal to Noise Ratio: High level
105 dB
General
Available Colors: Gold / Silver / Black / Silver-Gold
