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MULLARD CV4004 12AX7 ECC83 M8137 BRITISH GOOD QUALITY

End: 21.05. 2023 17:05:01 on Sunday
  • Condition: Used
  • Price: 59.96 EUR Auktion
  • Status: sold
  • Item number: 385613034871
  • Bids: 13
  • Seller: robfredcbradio (202|99.5%)
  • Seller information: non commercial
  • Item location: Beaworthy Großbritannien
  • Ships to: Worldwide
  • Shipping: 15,5 EUR
  • on EBAY
  • Description

    MULLARD CV4004 M8137 12AX7 ECC83 VALVE TUBE GOOD QUALITY BRITISH

Mullard CV4004 M8137 ECC83 matched pair

End: 18.05. 2023 20:24:10 on Thursday
  • Condition: Used
  • Price: 113.75 EUR Auktion
  • Status: sold
  • Item number: 195773066019
  • Bids: 1
  • Seller: tomv893 (1188|100.0%)
  • Seller information: non commercial
  • Item location: Wilmslow Großbritannien
  • Ships to: GB
  • Shipping: 4,99 EUR
  • on EBAY
  • Description

    A pair of ECC83 M8137 CV4004 12AX7 special quality valves.Both made at the Mitcham factory, etch codes are R9F5 (1959 June week 5) & R4D2 (1964 April, week 2)The M8137 is characterised by a large halo getter used to increase the quality of the vacuum.Tested on an AVO CV160Results are:Valve 1 Anode 1, 1.2mA 1.8gm - Anode 2, 1.2mA 1.8gmValve 2 Anode 1, 1.2mA 2.0gm - Anode 2, 1.2mA 1.9gmBoth valves exceed the standard for ECC83Very stable and quick warming.

 Mullard M8137/CV4004 Special Quality Box Plate Tube. Used. Tested and Matched 

End: 18.05. 2023 12:06:27 on Thursday
  • Condition: Used
  • Price: 34.47 EUR Auktion
  • Status: unsold
  • Item number: 166105188411
  • Bids: 0
  • Seller: radiovintageman (635|100.0%)
  • Seller information: non commercial
  • Item location: NOTTINGHAM Großbritannien
  • Ships to: GB
  • Shipping: 3,45 EUR
  • on EBAY
  • Description

    Mullard CV4004 M8137 Used Special Quality Box Plate Valve This type is a special quality robust version of the ECC83 or 12AX7 double triode.Tested on an AVO VCM the results are perfectly matched: A1: Ia 1.3mA. Gm 2.05mA/VA2: Ia 1.3mA. Gm 2.05mA/V (Avo spec. for ECC83 is 1.2mA, 1.6mA/V) Supplied in brown box

Röhre M8137 CV4004 Tube MULLARD gut geprüft Funke W19 Made BRITAIN

End: 03.10. 2021 19:54:53 on Sunday
  • Condition: Used
  • Price: 64.0 EUR Auktion
  • Status: sold
  • Item number: 203624075353
  • Counter: 95
  • Bids: 11
  • Seller: 2011aufraeumer (3130|100.0%)
  • Seller information: Commercial
  • Item location: Aderstedt Deutschland
  • Ships to: Worldwide
  • Shipping: 16,0 EUR
  • on EBAY

NOS Matched Pair 1968 Mullard M8137/CV4004=12AX7 AVO Tested 100%+

End: 03.10. 2021 05:22:33 on Sunday
  • Condition: New
  • Price: 250.08 EUR Auktion
  • Status: sold
  • Item number: 124920069354
  • Counter: 394
  • Bids: 18
  • Seller: sceglar (311|100.0%)
  • Seller information: non commercial
  • Item location: Woodville West, SA Australien
  • Ships to: Worldwide
  • Shipping: 13,16 EUR
  • on EBAY

NOS Perfect Matched Pair 1963 Mullard M8137/CV4004=12AX7 NIB AVO Test 100%+

End: 03.10. 2021 05:07:10 on Sunday
  • Condition: New
  • Price: 225.07 EUR Auktion
  • Status: sold
  • Item number: 124920055093
  • Counter: 325
  • Bids: 36
  • Seller: sceglar (311|100.0%)
  • Seller information: non commercial
  • Item location: Woodville West, SA Australien
  • Ships to: Worldwide
  • Shipping: 13,16 EUR
  • on EBAY

Tested Mullard CV4004 KB/D (ECC83) (12AX7) (M8137) (CV4004) Valve/Tube (001)

End: 27.09. 2021 16:10:38 on Monday
  • Condition: Used
  • Price: 68.84 EUR Auktion
  • Status: sold
  • Item number: 203607583466
  • Counter: 175
  • Bids: 27
  • Seller: electrondays (84|98.8%)
  • Seller information: non commercial
  • Item location: Plymouth, Devon Großbritannien
  • Ships to: Worldwide
  • Shipping: 3,99 EUR
  • on EBAY

NOS Mullard CV4004 KB/D (ECC83) (12AX7) (M8137) (CV4004) Valve/Tube (006)

End: 27.09. 2021 16:07:15 on Monday
  • Condition: New: Other
  • Price: 92.01 EUR Auktion
  • Status: sold
  • Item number: 203607712240
  • Counter: 1681
  • Bids: 21
  • Seller: electrondays (84|98.8%)
  • Seller information: non commercial
  • Item location: Plymouth, Devon Großbritannien
  • Ships to: Worldwide
  • Shipping: 3,99 EUR
  • on EBAY

Mullard CV4004 KB/D (ECC83) (12AX7) (M8137) (CV4004) 641 R6K Valve/Tube (007)

End: 27.09. 2021 16:05:21 on Monday
  • Condition: Used
  • Price: 200.95 EUR Auktion
  • Status: sold
  • Item number: 203607743252
  • Counter: 1583
  • Bids: 29
  • Seller: electrondays (84|98.8%)
  • Seller information: non commercial
  • Item location: Plymouth, Devon Großbritannien
  • Ships to: Worldwide
  • Shipping: 18,64 EUR
  • on EBAY

Tested Mullard CV4004 KB/QDD (ECC83) (12AX7) (M8137) (CV4004) Valve/Tube (002)

End: 27.09. 2021 16:03:13 on Monday
  • Condition: Used
  • Price: 68.84 EUR Auktion
  • Status: sold
  • Item number: 203607585627
  • Counter: 204
  • Bids: 28
  • Seller: electrondays (84|98.8%)
  • Seller information: non commercial
  • Item location: Plymouth, Devon Großbritannien
  • Ships to: Worldwide
  • Shipping: 3,99 EUR
  • on EBAY

RARE STRONG PAIR OF MULLARD M8137 CV4004 ECC83 BOX PLATE 641 CODES 1963,64

End: 26.09. 2021 21:20:13 on Sunday
  • Condition: Used
  • Price: 166.95 EUR Auktion
  • Status: sold
  • Item number: 154615966577
  • Counter: 1912
  • Bids: 25
  • Seller: alibossa (4994|99.2%)
  • Seller information: Commercial
  • Item location: North Queensferry , Fife Großbritannien
  • Ships to: Worldwide
  • Shipping: 4,85 EUR
  • on EBAY

NOS Matched Pair 1969 Mullard M8137/CV4004=12AX7 Original Box AVO Test 100%+

End: 26.09. 2021 04:38:56 on Sunday
  • Condition: New
  • Price: 243.31 EUR Auktion
  • Status: sold
  • Item number: 124903402286
  • Counter: 2111
  • Bids: 44
  • Seller: sceglar (305|100.0%)
  • Seller information: non commercial
  • Item location: Woodville West, SA Australien
  • Ships to: Worldwide
  • Shipping: 13,02 EUR
  • on EBAY

NOS NIB 1966 Mullard M8137/CV4004=12AX7, Perfect Section Balance, AVO Test 100%+

End: 23.09. 2021 13:32:24 on Thursday
  • Condition: New
  • Price: 0.85 EUR Auktion
  • Status: unsold
  • Item number: 124915207030
  • Counter: 16
  • Bids: 0
  • Seller: sceglar (305|100.0%)
  • Seller information: non commercial
  • Item location: Woodville West, SA Australien
  • Ships to: Worldwide
  • Shipping: 13,19 EUR
  • on EBAY

Mullard ECC83 (12AX7) (CV4004) NOS Valve Tube

End: 08.09. 2021 12:32:50 on Wednesday
  • Condition: New: Other
  • Price: 70.28 EUR FESTPREIS
  • Status: sold
  • Item number: 265262037497
  • Counter: 377
  • Seller: cvc786 (3171|98.9%)
  • Seller information: Commercial
  • Item location: Latchingdon Großbritannien
  • Ships to: GB
  • Shipping: 7,5 EUR
  • on EBAY

Mullard 12AX7WA CV4004 77/10 NOS

End: 04.09. 2021 20:56:48 on Saturday
  • Condition: New
  • Price: 64.19 EUR Auktion
  • Status: unsold
  • Item number: 185021545885
  • Counter: 7
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

Mullard 12AX7WA CV4004 77/10 NOS

End: 28.08. 2021 20:56:26 on Saturday
  • Condition: New
  • Price: 64.11 EUR Auktion
  • Status: unsold
  • Item number: 185010178748
  • Counter: 10
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

Mullard CV4004 KB/AD NOS

End: 28.08. 2021 18:17:07 on Saturday
  • Condition: New
  • Price: 52.45 EUR Auktion
  • Status: unsold
  • Item number: 185009953698
  • Counter: 11
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

Mullard CV4004 PAIR NEW NOS

End: 28.08. 2021 17:53:32 on Saturday
  • Condition: New
  • Price: 221.53 EUR Auktion
  • Status: unsold
  • Item number: 185009923549
  • Counter: 3
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

Mullard M8137 CV4004 12AX7 Valve - Untested

End: 22.08. 2021 01:18:09 on Sunday
  • Condition: Used
  • Price: 69.82 EUR FESTPREIS
  • Status: unsold
  • Item number: 154559199369
  • Counter: 27
  • Seller: oldwurzel (1837|100.0%)
  • Seller information: non commercial
  • Item location: Loughborough Großbritannien
  • Ships to: GB
  • Shipping: 0,0 EUR
  • on EBAY

Mullard 12AX7WA CV4004 77/10 NOS

End: 21.08. 2021 20:55:57 on Saturday
  • Condition: New
  • Price: 64.09 EUR Auktion
  • Status: unsold
  • Item number: 184998519341
  • Counter: 9
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

Mullard CV4004 KB/AD NOS

End: 21.08. 2021 18:16:31 on Saturday
  • Condition: New
  • Price: 52.43 EUR Auktion
  • Status: unsold
  • Item number: 184998315322
  • Counter: 3
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

Mullard CV4004 PAIR NEW NOS

End: 21.08. 2021 17:53:21 on Saturday
  • Condition: New
  • Price: 221.46 EUR Auktion
  • Status: unsold
  • Item number: 184998296644
  • Counter: 18
  • Bids: 0
  • Seller: turner.kaz0168 (207|100.0%)
  • Seller information: non commercial
  • Item location: Keston Großbritannien
  • Ships to: GB
  • Shipping: 3,85 EUR
  • on EBAY

1x Mullard ECC83 Valve Tube f92 B9I Eq 12AX7 CV492 B339 CV4004 M8137

End: 20.08. 2021 10:56:31 on Friday
  • Condition: Used
  • Price: 52.47 EUR FESTPREIS
  • Status: unsold
  • Item number: 294271327358
  • Counter: 205
  • Seller: c77 (371|100.0%)
  • Seller information: non commercial
  • Item location: Hull Großbritannien
  • Ships to: Americas
  • Shipping: 11,71 EUR
  • on EBAY

Mullard ECC83, 12AX7, CV4004 AF Double Triode valve/ tube, NOS, NIB

End: 14.08. 2021 21:50:20 on Saturday
  • Condition: New: Other
  • Price: 39.7 EUR FESTPREIS
  • Status: sold
  • Item number: 203560783115
  • Counter: 17
  • Seller: tranquilmosaic (675|99.5%)
  • Seller information: non commercial
  • Item location: Kyle Großbritannien
  • Ships to: GB
  • Shipping: 13,62 EUR
  • on EBAY