Branded By Mazda, Made by Marconi OsramFat Shape PP3/250 PX4 Valve TubeCooling Fins on Silver AnodeFully Tested on Avo VCM 163100% Book Spec = Ia 43 - Gm 6This Valve = Ia 53 - Gm 5.3Used, Supplied in Original Box

Rare RGD PX4 PP3/250 Mono Valve Tube Amplifier For use with Field Coil Speaker The pinnacle of High End Audio in 1938RGD - PX4 PP3/250 Valve Tube Amplifier Transformer Unit. The auction is for the amplifier only. No valves, Tubes PX4 / Power valves are NOT included in the sale. They will be well packed for UK, Worldwide Shipping

Rare RGD PX4 PP3/250 Mono Valve Tube Amplifier RGD 10 Field Coil Speaker set.?The pinnacle of High End Audio in 1938 for the BBC?The auction is for the amplifier & speaker only.?No valves, Tubes PX4 / Power valves are NOT included in the sale.?They will be well packed for postage UK £15, Worldwide £145

Works fine, removed from working equipment. Please watch my auctions as I have many more audio tubes to list together with rare early electronic equipment, radios and other equipment / Components I have acquired over the years. IMPORTANT INFORMATION I am selling vintage electronic items, these are by their nature are very old and fragile. Every care will be taken to ensure that they are packed well and reach you in the condition they leave me. POSTAGE:If winning bid is outside the UK please wait for my invoice before making payment. This will enable me to check and confirm the correct postage and include discounts for multiple purchases. The OVERSEAS rate is a guide only.Postage covers insurance up to the value of 41.00 for a lost item, it does not cover breakage of glass as this cannot be insured. I quote a standard cost for International postage and will refund any difference over exact cost minus packing materials.All overseas packages will be sent International signed for/tracked. Standard postage rate covers up to 5 small tubes. Also Items such as some capacitors and transformers may require surface shipping which can take 6-8 weeks. As this cant be tracked proof of despatch will be provided. DESPATCH:I always post within 10 working business days from payment. FEEDBACK:If for any reason you believe the item not to be as described in the auction or for that matter any other problems please contact me first before leaving bad star ratings and / or negative feedback. If you are not happy please lets sort things out amicably.

This auction is for a rare balloon audio tube type PX4 made by the MO-V Osram. Military version, good looking tube.This Osram PX4 comes with. chrome plate! This PX4 is in working order and has two filaments glowing out of four, please check pictures.However it has been tested at 65mA with mA/V of 3.6 grid -37, still a good tube. Immediate payment required for this item! This is due to time-wasters who refuse to pay. If payment is not received within 24 hours I will sell it to second highest bidder without any further warning! Thanks Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

This auction is for a rare balloon audio tube type PX4 in such a lovely condition and made by Osram.This is the early type of a balloon tube , good looking tube.This PX4 made by Osram has been tested at 60mA with mA/V of 3 at grid -48 still a good tube Immediate payment required for this item! This is due to time-wasters who refuse to pay. If payment is not received within 24 hours I will sell it to second highest bidder without any further warning! Thanks Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

Mazda, Made in EnglandRare Vintage Matched Pair PP3/250 PX4 Balloon Shape ValvesSilver Plates, Foil GettersFully Tested & Matched on AVO VCM 163100% Book Spec = Ia 48 - Gm 5.2These Valves Test1) Ia 36 - Gm 4.32) Ia 33 - Gm 4.1Used, Supplied in White Boxes

Rare RGD PX4 PP3/250 Mono Valve Tube Amplifier RGD 10 Field Coil Speaker set.The pinnacle of High End Audio in 1938RGD - PX4 PP3/250 Valve Tube Amplifier & RGD 10 Field Coil Speaker  The auction is for the amplifier & speaker only. No valves, Tubes PX4 / Power valves are NOT included in the sale. They will be well packed for UK, Worldwide Shipping

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Rare RGD PX4 PP3/250 Mono Valve Tube Amplifier & RGD 10 Field Coil Speaker set.The pinnacle of High End Audio in 1938RGD - PX4 PP3/250 Valve Tube Amplifier & RGD 10 Field Coil Speaker  The auction is for the amplifier & speaker only. No valves, Tubes PX4 / Power valves are NOT included in the sale. They will be well packed for UK, Worldwide Shipping

Vintage Audio UKVALVE AMPLIFIERS . TURNTABLES . LOUDSPEAKERS . VALVES TANNOY . QUAD . LEAK . GARRARD . SME . ROGERS . LOWTHER . DECCA MULLARD . BRIMAR . GEC . MAZDA . MARCONI WORLDWIDE SHIPPINGDescription Rare Cossor 2P Valve Tube Black Plate 1940sEquivalent to PX4 PP3/250 Valve For Amplifier Leak Tannoy Lowther1: Cossor 2P - H8 Valve Tube Black Plate Green Label Tested good working in amplifier Please check the photos I Will Ship Worldwide!Check my other auctions for vintage audio. Shipping Policy Worldwide postage through eBay global shipping programme. All items are sent within 3-5 days of auction ending. All orders are tracked with DHL, UPS, DPD or Royal Mail with protective packing for transit. Thank you for looking, please check my other eBay auctions Vintage Audio UK BRITISH AUDIO SPECIALISTS FOR 25 YEARS

This auction is for a rare balloon audio tube type PX4 made by the MO-V Osram. Military version, good looking tube.This Osram PX4 comes with. chrome plate! This PX4 is in working order and has two filaments glowing out of four, please check pictures.However it has been tested at 65mA with mA/V of 3.6 grid -37, still a good tube Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

This auction is for a rare Marconi carbon plate PX4. Few of these tubes with carbon plate were made compared to the bigger number of PX4 made with grey plate!Tube type PX4 made by the MO-V Osram. Military version, good looking tube.This PX4 is in working order and has two filaments glowing out of four, please check pictures.However it has been tested at 68mA with mA/V of 4 grid -37, still a good tube Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

This auction is for a rare balloon audio tube type PX4 in such a lovely condition and made by Osram.This is the early type of a balloon tube , good looking tube.This PX4 made by Osram has been tested at 60mA with mA/V of 3 at grid -48 still a good tube Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

Vintage Audio UKVALVE AMPLIFIERS . TURNTABLES . LOUDSPEAKERS . VALVES TANNOY . QUAD . LEAK . GARRARD . SME . ROGERS . LOWTHER . DECCA MULLARD . BRIMAR . GEC . MAZDA . MARCONI WORLDWIDE SHIPPINGDescription Rare Cossor 2P Valve Tube Black Plate 1940sEquivalent to PX4 PP3/250 Valve For Amplifier Leak Tannoy Lowther1: Cossor 2P - H8 Valve Tube Black Plate Green Label Tested good working in amplifier Please check the photos I Will Ship Worldwide!Check my other auctions for vintage audio. Shipping Policy Worldwide postage through eBay global shipping programme. All items are sent within 3-5 days of auction ending. All orders are tracked with DHL, UPS, DPD or Royal Mail with protective packing for transit. Thank you for looking, please check my other eBay auctions Vintage Audio UK BRITISH AUDIO SPECIALISTS FOR 25 YEARS

Rare RGD - PX4 PP3/250 Push Pull Triode Valve Tube Power Amplifier& Matching RGD 10 Field Coil SpeakerMade in England - 1938RGD - PX4 PP3/250 Push Pull Triode Valve Tube Amplifier & RGD 10 Field Coil Speaker The auction is for the amplifier chassis & field coil speaker only.No Valves - NOT included in the sale.They will be well packed for UK, Worldwide ShippingPostage express worldwide, Thank you for looking

Rare RGD - PX4 PP3/250 Push Pull Triode Valve Tube Power Amplifier& Matching RGD 10 Field Coil SpeakerMade in England - 1938RGD - PX4 PP3/250 Push Pull Triode Valve Tube Amplifier & RGD 10 Field Coil Speaker The auction is for the amplifier chassis & field coil speaker only.No Valves - NOT included in the sale.They will be well packed for UK, Worldwide ShippingPostage express worldwide, Thank you for looking

Rare RGD PX4 PP3/250 Mono Valve Tube Amplifier & RGD 10 Field Coil Speaker set.The pinnacle of High End Audio in 1938RGD - PX4 PP3/250 Valve Tube Amplifier & RGD 10 Field Coil Speaker  The auction is for the amplifier & speaker only. No valves, Tubes PX4 / Power valves are NOT included in the sale. They will be well packed for UK, Worldwide Shipping

LLOYTRON NiMH Rechargeable AccuUltra Battery / 9V PP3 Size / 250mAh / 1 Pack - 1 PACK 9V: With easy open packaging for your convenience, the 9V (PP3) size battery has a capacity of 250mAh. Charging device sold separately. RECHARGEABLE: The rechargeable hybrid technology (nickel-metal hydride) allows for less waste than with standard disposable alkaline batteries and are more affordable overall. Save money and reduce waste with AccuUltra batteries. UNIVERSAL SIZE: 9V (PP3 ) batteries are suitable for many devices including alarm clocks, smoke alarms and much more. UP TO 1000 CHARGES: Provides long lasting power to your everyday devices with up to 1000 charges. The battery has a long lasting shelf life when unused to keep until required, with 80% energy retention after 1 year. SAFE: The battery contains 0% of harmful metals cadmium and mercury. The battery casing prevents leakage to protect your familys devices and is made up of anti-corrosion components.

Vintage Audio UKVALVE AMPLIFIERS . TURNTABLES . LOUDSPEAKERS . VALVES TANNOY . QUAD . LEAK . GARRARD . SME . ROGERS . LOWTHER . DECCA MULLARD . BRIMAR . GEC . MAZDA . MARCONI WORLDWIDE SHIPPINGDescription Rare Cossor 2P Valve Tube Black Plate 1940sEquivalent to PX4 PP3/250 Valve For Amplifier Leak Tannoy Lowther1: Cossor 2P - H8 Valve Tube Black Plate Green Label Tested good working in amplifier Please check the photos I Will Ship Worldwide!Check my other auctions for vintage audio. Shipping Policy Worldwide postage through eBay global shipping programme. All items are sent within 3-5 days of auction ending. All orders are tracked with DHL, UPS, DPD or Royal Mail with protective packing for transit. Thank you for looking, please check my other eBay auctions Vintage Audio UK BRITISH AUDIO SPECIALISTS FOR 25 YEARS

Still thinning out my valve collection and offering a MAZDA PP3/250 (PX4) tube. This tube was introduced in 1932 as Mazdas answer to the Mullard PX4 and is electrically identical and fully interchangeable. These early Mazdas are getting rare now and this example is very lightly used with a near 100% test emission (5.7gm@15m/Va) with no shorts or leaks. Classic early Mazda balloon shape. I am happy to post worldwide via the Ebay Global Shipping Programme or direct international mail. Valve will be well packaged for shipping. Please see my 100% positive feedback and bid with confidence. Thanks for looking.