Name: 1 x Vintage Mullard ECC82 / 12AU7 Shortplate - Used - Tested NOS - Year 1969
SKU: K_Vintage_Mullard_ECC82_#0001
Availability: InStock

1 x Vintage Mullard ECC82 / 12AU7 Shortplate – Used – Tested NOS – Year 1969

1 x Mullard ECC82 / 12AU7 Shortplate. Used – tested NOS on uTracer. Has been on storage since 1976. View calibrated uTracer6 full test-report down below.

Mullard ECC82 / 12AU7. Date code: B9A4 = (B = Blackburn, 9 = 1969 (matched with logo also), A = January , 4 = Week 4 of the production month)

New Old Stock tubes, not tested for RoHS compliance. Only for repair and restoration of historical equipment.

Varenummer (SKU): K_Vintage_Mullard_ECC82_#0001 Kategori: Rodekassen

På lager: 1 på lager

Calibrated uTracer v. 6 test-report.

25-10-2023 13:07:31 uTracer3, GUI V3.11 Triode Quick Test

SECTION 1

Test conditions:
Va : 250 (V) Swing +/- 25 V (10%)
Vg : -8,5 (V) Swing +/- 0,85 V (10%)

Test results:
Ia : 9,34 (mA) 89 % of nominal 10,5 (mA)
Ra : 8,53 (kohm) 111 % of nominal 7,7 (kohm) Ra = dVa/dIa
Gm : 1,99 (mA/V) 91 % of nominal 2,2 (mA) Gm = dIa/dVg
mu : 17 (-) 100 % of nominal 17 (-) mu = Gm*Ra

SECTION 2

Test conditions:
Va : 250 (V) Swing +/- 25 V (10%)
Vg : -8,5 (V) Swing +/- 0,85 V (10%)

Test results:
Ia : 9,97 (mA) 95 % of nominal 10,5 (mA)
Ra : 8,22 (kohm) 107 % of nominal 7,7 (kohm) Ra = dVa/dIa
Gm : 2,07 (mA/V) 94 % of nominal 2,2 (mA/V) Gm = dIa/dVg
mu : 17 (-) 100 % of nominal 17 (-) mu = Gm*Ra

FRI FRAGT

* Gælder for forsendelser i Danmark op til 20 kg til GLS Pakkeshop

1 x Vintage Mullard ECC82 / 12AU7 Shortplate – Used – Tested NOS – Year 1969

Brand

Mullard

FRI FRAGT

* Gælder for forsendelser i Danmark op til 20 kg til GLS Pakkeshop

1 x Vintage Mullard ECC82 / 12AU7 Shortplate – Used – Tested NOS – Year 1969

Brand

Mullard

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