Grado Reference Master 1 moving iron cartridge


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Hand made by skilled Grado engineers, the Grado Reference Master 1 moving iron cartridge has re designed coils wound with UHPLC oxygen free copper wire to reduce effective moving mass by 17%, which enables the Grado Reference Master 1 to track the most difficult inner band musical passages with ease at a tracking weight of just 1.5g. With a body carved from Australian Jarrah wwod for low resonance, has a 5 piece OTL cantilever which reduces tip mass by 5% over the Platinum 1 and Sonata 1 models. The sound quality is incredibly smooth and detailed, with a powerful, rhythmic bass, opaque, creamy midrange and superb three dimensional stereo sound stage. The stylus is a high quality nude elliptical diamond, polished to perfection.
Specifications Frequency Response 10Hz - 60kHz
Principal    Moving Iron
Channel Separation at 1KHz    40dB
Imput Load    47K
Output at 1KHz 5CM/sec.    5mV
Recommended Tracking Force    1.5g
Stylus Type    Nude Elliptical
Inductance    45mH
Resistance    475
Compliance CUs    20
Stylus Replacement F=Factory    F
Mounting    S
Weight    6.5g

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25

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